Mercurial > python-cmd2

annotate cmd2.py @ 192:c0d4c7ba14a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
added settable timings param
author catherine@Elli.myhome.westell.com
date Sun, 15 Feb 2009 11:03:38 -0500
parents 9d9e9ea88daf
children e96877b59371
rev   line source
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1 """Variant on standard library's cmd with extra features.
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2
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3 To use, simply import cmd2.Cmd instead of cmd.Cmd; use precisely as though you
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4 were using the standard library's cmd, while enjoying the extra features.
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5
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6 Searchable command history (commands: "hi", "li", "run")
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7 Load commands from file, save to file, edit commands in file
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8 Multi-line commands
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9 Case-insensitive commands
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10 Special-character shortcut commands (beyond cmd's "@" and "!")
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11 Settable environment parameters
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12 Parsing commands with `optparse` options (flags)
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13 Redirection to file with >, >>; input from file with <
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14 Easy transcript-based testing of applications (see example/example.py)
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15
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16 Note that redirection with > and | will only work if `self.stdout.write()`
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17 is used in place of `print`. The standard library's `cmd` module is
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18 written to use `self.stdout.write()`,
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19
14
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20 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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21
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22 mercurial repository at http://www.assembla.com/wiki/show/python-cmd2
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23 CHANGES:
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24 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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25 flagReader.py options are still supported for backward compatibility
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26 """
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27 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest
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28 import unittest, string, datetime
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29 from optparse import make_option
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30 __version__ = '0.4.5'
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31
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32 class OptionParser(optparse.OptionParser):
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33 def exit(self, status=0, msg=None):
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34 self.values._exit = True
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35 if msg:
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36 print msg
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37
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38 def error(self, msg):
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39 """error(msg : string)
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40
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41 Print a usage message incorporating 'msg' to stderr and exit.
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42 If you override this in a subclass, it should not return -- it
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43 should either exit or raise an exception.
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44 """
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45 raise
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46
187
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47 def remainingArgs(oldArgs, newArgList):
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48 '''
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49 >>> remainingArgs('-f bar bar cow', ['bar', 'cow'])
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50 'bar cow'
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51 '''
189
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52 pattern = '\s+'.join(re.escape(a) for a in newArgList) + '\s*$'
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53 matchObj = re.search(pattern, oldArgs)
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54 return oldArgs[matchObj.start():]
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55
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56 def options(option_list):
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57 def option_setup(func):
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58 optionParser = OptionParser()
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59 for opt in option_list:
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60 optionParser.add_option(opt)
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61 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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62 def newFunc(instance, arg):
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63 try:
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64 opts, newArgList = optionParser.parse_args(arg.split()) # doesn't understand quoted strings shouldn't be dissected!
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65 newArgs = remainingArgs(arg, newArgList) # should it permit flags after args?
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66 except (optparse.OptionValueError, optparse.BadOptionError,
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67 optparse.OptionError, optparse.AmbiguousOptionError,
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68 optparse.OptionConflictError), e:
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69 print e
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70 optionParser.print_help()
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71 return
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72 if hasattr(opts, '_exit'):
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73 return None
187
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74 terminator = arg.parsed.terminator
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75 try:
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76 if arg.parsed.terminator[0] == '\n':
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77 terminator = arg.parsed.terminator[0]
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78 except IndexError:
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79 pass
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80 arg = arg.parser('%s %s%s%s' % (arg.parsed.command, newArgs, terminator, arg.parsed.suffix))
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a974e2f44cbe made redirectors work with app-specific StatementEndPattern
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81 result = func(instance, arg, opts)
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82 return result
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83 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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84 return newFunc
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85 return option_setup
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86
27
a76798cde34c hooray, pasting working in windows
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87 class PasteBufferError(EnvironmentError):
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88 if sys.platform[:3] == 'win':
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89 errmsg = """Redirecting to or from paste buffer requires pywin32
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90 to be installed on operating system.
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91 Download from http://sourceforge.net/projects/pywin32/"""
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92 else:
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93 errmsg = """Redirecting to or from paste buffer requires xclip
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94 to be installed on operating system.
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95 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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96 def __init__(self):
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97 Exception.__init__(self, self.errmsg)
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98
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99 '''check here if functions exist; otherwise, stub out'''
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100 pastebufferr = """Redirecting to or from paste buffer requires %s
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101 to be installed on operating system.
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102 %s"""
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103 if subprocess.mswindows:
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104 try:
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105 import win32clipboard
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106 def getPasteBuffer():
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107 win32clipboard.OpenClipboard(0)
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108 try:
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109 result = win32clipboard.GetClipboardData()
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110 except TypeError:
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111 result = '' #non-text
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112 win32clipboard.CloseClipboard()
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113 return result
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114 def writeToPasteBuffer(txt):
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115 win32clipboard.OpenClipboard(0)
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116 win32clipboard.EmptyClipboard()
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117 win32clipboard.SetClipboardText(txt)
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118 win32clipboard.CloseClipboard()
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119 except ImportError:
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120 def getPasteBuffer(*args):
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121 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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122 setPasteBuffer = getPasteBuffer
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123 else:
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124 can_clip = False
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125 try:
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126 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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127 can_clip = True
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128 except AttributeError: # check_call not defined, Python < 2.5
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129 teststring = 'Testing for presence of xclip.'
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130 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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131 xclipproc.stdin.write(teststring)
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132 xclipproc.stdin.close()
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133 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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134 if xclipproc.stdout.read() == teststring:
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135 can_clip = True
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136 except (subprocess.CalledProcessError, OSError, IOError):
29
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137 pass
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138 if can_clip:
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139 def getPasteBuffer():
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140 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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141 return xclipproc.stdout.read()
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142 def writeToPasteBuffer(txt):
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143 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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144 xclipproc.stdin.write(txt)
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145 xclipproc.stdin.close()
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146 # but we want it in both the "primary" and "mouse" clipboards
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147 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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148 xclipproc.stdin.write(txt)
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149 xclipproc.stdin.close()
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150 else:
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151 def getPasteBuffer(*args):
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152 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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153 setPasteBuffer = getPasteBuffer
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154 writeToPasteBuffer = getPasteBuffer
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155
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156 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t')
154
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157
157
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158 class ParsedString(str):
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159 pass
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160
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161 class Cmd(cmd.Cmd):
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162 echo = False
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163 caseInsensitive = True
157
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diff changeset
164 continuationPrompt = '> '
192
c0d4c7ba14a9 added settable timings param
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parents: 191
diff changeset
165 timing = False
166
a3414ac38677 so close - now problem with terminator in string
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parents: 165
diff changeset
166 legalChars = '!#$%.:?@_' + pyparsing.alphanums + pyparsing.alphas8bit # make sure your terminators are not in here!
137
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parents: 136
diff changeset
167 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' }
106
2d3232693807 prompt-setting quirks
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parents: 105
diff changeset
168 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
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parents: 105
diff changeset
169 noSpecialParse = 'set ed edit exit'.split()
0
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parents:
diff changeset
170 defaultExtension = 'txt'
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parents:
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171 defaultFileName = 'command.txt'
192
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parents: 191
diff changeset
172 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo', 'timing']
169
429c8e984df4 all working, except \n\n terminators
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parents: 168
diff changeset
173
0
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parents:
diff changeset
174 editor = os.environ.get('EDITOR')
42
b3200c6e5763 inserting exception for quit...
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parents: 41
diff changeset
175 _STOP_AND_EXIT = 2
0
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parents:
diff changeset
176 if not editor:
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parents:
diff changeset
177 if sys.platform[:3] == 'win':
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parents:
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178 editor = 'notepad'
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parents:
diff changeset
179 else:
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parents:
diff changeset
180 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
47
927bc07467de fixed misfind of editor
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parents: 46
diff changeset
181 if not os.system('which %s' % (editor)):
0
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parents:
diff changeset
182 break
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parents:
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183
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parents:
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184 def do_cmdenvironment(self, args):
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parents:
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185 self.stdout.write("""
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parents:
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186 Commands are %(casesensitive)scase-sensitive.
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parents:
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187 Commands may be terminated with: %(terminators)s
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parents:
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188 Settable parameters: %(settable)s
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parents:
diff changeset
189 """ %
2
1ea887b51cad python 2.4 compatibility
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parents: 0
diff changeset
190 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
171
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parents: 170
diff changeset
191 'terminators': str(self.terminators),
0
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parents:
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192 'settable': ' '.join(self.settable)
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parents:
diff changeset
193 })
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parents:
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194
10
47af95ad83c7 working the refactor still
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parents: 4
diff changeset
195 def do_help(self, arg):
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parents: 4
diff changeset
196 cmd.Cmd.do_help(self, arg)
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parents: 4
diff changeset
197 try:
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parents: 4
diff changeset
198 fn = getattr(self, 'do_' + arg)
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parents: 4
diff changeset
199 if fn and fn.optionParser:
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parents: 4
diff changeset
200 fn.optionParser.print_help(file=self.stdout)
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
201 except AttributeError:
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
202 pass
47af95ad83c7 working the refactor still
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parents: 4
diff changeset
203
0
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parents:
diff changeset
204 def __init__(self, *args, **kwargs):
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parents:
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205 cmd.Cmd.__init__(self, *args, **kwargs)
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parents:
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206 self.history = History()
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
207 self._init_parser()
0
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parents:
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208
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parents:
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209 def do_shortcuts(self, args):
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parents:
diff changeset
210 """Lists single-key shortcuts available."""
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parents:
diff changeset
211 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
diff changeset
212 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
diff changeset
213
137
308e99cebbb8 comments working?
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parents: 136
diff changeset
214 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment])
153
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parents: 152
diff changeset
215 commentGrammars.addParseAction(lambda x: '')
136
67558b85ab38 comments working?
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parents: 135
diff changeset
216 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd)
171
0b93f1a4076c lstripping commands
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parents: 170
diff changeset
217 terminators = [';']
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parents: 170
diff changeset
218 blankLinesAllowed = False
153
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parents: 152
diff changeset
219 multilineCommands = []
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
220
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
221 def _init_parser(self):
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
222 r'''
146
9ffb01d8876f streamlining parsing
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parents: 145
diff changeset
223 >>> c = Cmd()
153
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parents: 152
diff changeset
224 >>> c.multilineCommands = ['multiline']
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parents: 152
diff changeset
225 >>> c.caseInsensitive = True
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diff changeset
226 >>> c._init_parser()
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
227 >>> print c.parser.parseString('').dump()
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parents: 157
diff changeset
228 []
87d3f3203b96 accept blanks
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parents: 157
diff changeset
229 >>> print c.parser.parseString('/* empty command */').dump()
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parents: 157
diff changeset
230 []
87d3f3203b96 accept blanks
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parents: 157
diff changeset
231 >>> print c.parser.parseString('plainword').dump()
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parents: 157
diff changeset
232 ['plainword', '']
87d3f3203b96 accept blanks
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parents: 157
diff changeset
233 - command: plainword
87d3f3203b96 accept blanks
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parents: 157
diff changeset
234 - statement: ['plainword', '']
87d3f3203b96 accept blanks
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parents: 157
diff changeset
235 - command: plainword
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
236 >>> print c.parser.parseString('termbare;').dump()
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
237 ['termbare', '', ';', '']
87d3f3203b96 accept blanks
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parents: 157
diff changeset
238 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
239 - statement: ['termbare', '', ';']
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parents: 157
diff changeset
240 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
241 - terminator: ;
87d3f3203b96 accept blanks
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parents: 157
diff changeset
242 - terminator: ;
157
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
243 >>> print c.parser.parseString('termbare; suffx').dump()
158
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
244 ['termbare', '', ';', 'suffx']
87d3f3203b96 accept blanks
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parents: 157
diff changeset
245 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
246 - statement: ['termbare', '', ';']
87d3f3203b96 accept blanks
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parents: 157
diff changeset
247 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
248 - terminator: ;
87d3f3203b96 accept blanks
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parents: 157
diff changeset
249 - suffix: suffx
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parents: 157
diff changeset
250 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
251 >>> print c.parser.parseString('barecommand').dump()
153
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
252 ['barecommand', '']
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parents: 152
diff changeset
253 - command: barecommand
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catherine@dellzilla
parents: 152
diff changeset
254 - statement: ['barecommand', '']
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parents: 152
diff changeset
255 - command: barecommand
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
256 >>> print c.parser.parseString('COMmand with args').dump()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
257 ['command', 'with args']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
258 - args: with args
153
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parents: 152
diff changeset
259 - command: command
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
260 - statement: ['command', 'with args']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
261 - args: with args
153
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parents: 152
diff changeset
262 - command: command
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
263 >>> print c.parser.parseString('command with args and terminator; and suffix').dump()
158
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
264 ['command', 'with args and terminator', ';', 'and suffix']
153
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catherine@dellzilla
parents: 152
diff changeset
265 - args: with args and terminator
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parents: 152
diff changeset
266 - command: command
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
267 - statement: ['command', 'with args and terminator', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
268 - args: with args and terminator
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catherine@dellzilla
parents: 152
diff changeset
269 - command: command
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catherine@dellzilla
parents: 152
diff changeset
270 - terminator: ;
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
271 - suffix: and suffix
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parents: 157
diff changeset
272 - terminator: ;
153
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parents: 152
diff changeset
273 >>> print c.parser.parseString('simple | piped').dump()
157
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parents: 156
diff changeset
274 ['simple', '', '|', ' piped']
153
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parents: 152
diff changeset
275 - command: simple
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
276 - pipeTo: piped
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
277 - statement: ['simple', '']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
278 - command: simple
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
279 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
280 ['command', 'with args, terminator', ';', 'sufx', '|', ' piped']
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
281 - args: with args, terminator
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
282 - command: command
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
283 - pipeTo: piped
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
284 - statement: ['command', 'with args, terminator', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
285 - args: with args, terminator
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
286 - command: command
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catherine@dellzilla
parents: 152
diff changeset
287 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
288 - suffix: sufx
155
8ba5127167f5 file output working again
catherine@dellzilla
parents: 154
diff changeset
289 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
290 >>> print c.parser.parseString('output into > afile.txt').dump()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
291 ['output', 'into', '>', 'afile.txt']
153
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
292 - args: into
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
293 - command: output
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parents: 152
diff changeset
294 - output: >
155
8ba5127167f5 file output working again
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parents: 154
diff changeset
295 - outputTo: afile.txt
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
296 - statement: ['output', 'into']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
297 - args: into
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
298 - command: output
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
299 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump()
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
300 ['output', 'into', ';', 'sufx', '|', ' pipethrume plz', '>', 'afile.txt']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
301 - args: into
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
302 - command: output
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catherine@dellzilla
parents: 156
diff changeset
303 - output: >
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
304 - outputTo: afile.txt
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
305 - pipeTo: pipethrume plz
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
306 - statement: ['output', 'into', ';']
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catherine@dellzilla
parents: 152
diff changeset
307 - args: into
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
308 - command: output
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catherine@dellzilla
parents: 152
diff changeset
309 - terminator: ;
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catherine@dellzilla
parents: 152
diff changeset
310 - suffix: sufx
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catherine@dellzilla
parents: 152
diff changeset
311 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
312 >>> print c.parser.parseString('output to paste buffer >> ').dump()
157
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parents: 156
diff changeset
313 ['output', 'to paste buffer', '>>', '']
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catherine@dellzilla
parents: 156
diff changeset
314 - args: to paste buffer
153
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catherine@dellzilla
parents: 152
diff changeset
315 - command: output
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parents: 152
diff changeset
316 - output: >>
157
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catherine@dellzilla
parents: 156
diff changeset
317 - statement: ['output', 'to paste buffer']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
318 - args: to paste buffer
153
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parents: 152
diff changeset
319 - command: output
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
320 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump()
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
321 ['ignore', 'the /* commented | > */ stuff', ';', '']
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catherine@dellzilla
parents: 152
diff changeset
322 - args: the /* commented | > */ stuff
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catherine@dellzilla
parents: 152
diff changeset
323 - command: ignore
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
324 - statement: ['ignore', 'the /* commented | > */ stuff', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
325 - args: the /* commented | > */ stuff
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catherine@dellzilla
parents: 152
diff changeset
326 - command: ignore
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
327 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
328 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
329 >>> print c.parser.parseString('has > inside;').dump()
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
330 ['has', '> inside', ';', '']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
331 - args: > inside
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parents: 152
diff changeset
332 - command: has
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
333 - statement: ['has', '> inside', ';']
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parents: 152
diff changeset
334 - args: > inside
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parents: 152
diff changeset
335 - command: has
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parents: 152
diff changeset
336 - terminator: ;
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parents: 152
diff changeset
337 - terminator: ;
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parents: 152
diff changeset
338 >>> print c.parser.parseString('multiline has > inside an unfinished command').dump()
173
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parents: 172
diff changeset
339 ['multiline', ' has > inside an unfinished command']
153
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parents: 152
diff changeset
340 - multilineCommand: multiline
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parents: 152
diff changeset
341 >>> print c.parser.parseString('multiline has > inside;').dump()
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parents: 152
diff changeset
342 ['multiline', 'has > inside', ';', '']
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parents: 152
diff changeset
343 - args: has > inside
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parents: 152
diff changeset
344 - multilineCommand: multiline
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parents: 152
diff changeset
345 - statement: ['multiline', 'has > inside', ';']
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parents: 152
diff changeset
346 - args: has > inside
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parents: 152
diff changeset
347 - multilineCommand: multiline
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parents: 152
diff changeset
348 - terminator: ;
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parents: 152
diff changeset
349 - terminator: ;
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parents: 152
diff changeset
350 >>> print c.parser.parseString('multiline command /* with comment in progress;').dump()
173
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parents: 172
diff changeset
351 ['multiline', ' command /* with comment in progress;']
153
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parents: 152
diff changeset
352 - multilineCommand: multiline
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parents: 152
diff changeset
353 >>> print c.parser.parseString('multiline command /* with comment complete */ is done;').dump()
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parents: 152
diff changeset
354 ['multiline', 'command /* with comment complete */ is done', ';', '']
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parents: 152
diff changeset
355 - args: command /* with comment complete */ is done
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parents: 152
diff changeset
356 - multilineCommand: multiline
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parents: 152
diff changeset
357 - statement: ['multiline', 'command /* with comment complete */ is done', ';']
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parents: 152
diff changeset
358 - args: command /* with comment complete */ is done
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parents: 152
diff changeset
359 - multilineCommand: multiline
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parents: 152
diff changeset
360 - terminator: ;
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
361 - terminator: ;
186
bee79220382c unit tests passing
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parents: 185
diff changeset
362 >>> print c.parser.parseString('multiline command ends\n\n').dump()
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diff changeset
363 ['multiline', 'command ends', '\n', '\n']
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parents: 185
diff changeset
364 - args: command ends
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parents: 185
diff changeset
365 - multilineCommand: multiline
bee79220382c unit tests passing
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parents: 185
diff changeset
366 - statement: ['multiline', 'command ends', '\n', '\n']
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parents: 185
diff changeset
367 - args: command ends
bee79220382c unit tests passing
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parents: 185
diff changeset
368 - multilineCommand: multiline
bee79220382c unit tests passing
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parents: 185
diff changeset
369 - terminator: ['\n', '\n']
bee79220382c unit tests passing
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parents: 185
diff changeset
370 - terminator: ['\n', '\n']
153
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parents: 152
diff changeset
371 '''
146
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diff changeset
372 outputParser = pyparsing.oneOf(['>>','>'])('output')
171
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diff changeset
373 terminatorParser = pyparsing.Or([(hasattr(t, 'parseString') and t) or pyparsing.Literal(t) for t in self.terminators])('terminator')
152
693d11072e8e hmm, complications with gt within statements
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diff changeset
374 stringEnd = pyparsing.stringEnd ^ '\nEOF'
184
d1a87c14675b putting parsing variables under self
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diff changeset
375 self.multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand')
186
bee79220382c unit tests passing
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parents: 185
diff changeset
376 oneLineCommand = (~self.multilineCommand + pyparsing.Word(self.legalChars))('command')
160
59b7847ec3ca little fixes
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parents: 159
diff changeset
377 pipe = pyparsing.Keyword('|', identChars='|')
168
786ab5a83eea quotes still getting snipped, ugh
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parents: 167
diff changeset
378 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '')
786ab5a83eea quotes still getting snipped, ugh
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parents: 167
diff changeset
379 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment)
153
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parents: 152
diff changeset
380 afterElements = \
160
59b7847ec3ca little fixes
catherine@dellzilla
parents: 159
diff changeset
381 pyparsing.Optional(pipe + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeTo')) + \
155
8ba5127167f5 file output working again
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parents: 154
diff changeset
382 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd).setParseAction(lambda x: x[0].strip())('outputTo'))
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
383 if self.caseInsensitive:
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
384 self.multilineCommand.setParseAction(lambda x: x[0].lower())
153
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parents: 152
diff changeset
385 oneLineCommand.setParseAction(lambda x: x[0].lower())
171
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parents: 170
diff changeset
386 if self.blankLinesAllowed:
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
387 self.blankLineTerminationParser = pyparsing.NoMatch
171
0b93f1a4076c lstripping commands
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parents: 170
diff changeset
388 else:
186
bee79220382c unit tests passing
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parents: 185
diff changeset
389 self.blankLineTerminator = (pyparsing.lineEnd + pyparsing.lineEnd)('terminator')
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
390 self.blankLineTerminator.setResultsName('terminator')
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
391 self.blankLineTerminationParser = ((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(self.blankLineTerminator).setParseAction(lambda x: x[0].strip())('args') + self.blankLineTerminator)('statement')
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
392 self.multilineParser = (((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') +
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
393 pyparsing.SkipTo(outputParser ^ pipe ^ stringEnd).setParseAction(lambda x: x[0].strip())('suffix') + afterElements)
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
394 self.singleLineParser = ((oneLineCommand + pyparsing.SkipTo(terminatorParser ^ stringEnd ^ pipe ^ outputParser).setParseAction(lambda x:x[0].strip())('args'))('statement') +
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
395 pyparsing.Optional(terminatorParser) + afterElements)
186
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
396 #self.multilineParser = self.multilineParser.setResultsName('multilineParser')
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
397 #self.singleLineParser = self.singleLineParser.setResultsName('singleLineParser')
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
398 #self.blankLineTerminationParser = self.blankLineTerminationParser.setResultsName('blankLineTerminatorParser')
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
399 self.parser = (
173
10a45c030364 simplifying testcase
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parents: 172
diff changeset
400 stringEnd |
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
401 self.multilineParser |
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
402 self.singleLineParser |
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
403 self.blankLineTerminationParser |
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
404 self.multilineCommand + pyparsing.SkipTo(stringEnd)
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
405 )
169
429c8e984df4 all working, except \n\n terminators
catherine@dellzilla
parents: 168
diff changeset
406 self.parser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress)
429c8e984df4 all working, except \n\n terminators
catherine@dellzilla
parents: 168
diff changeset
407
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
408 inputMark = pyparsing.Literal('<')
606ad25c7f7e new experiment with ignore?
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parents: 153
diff changeset
409 inputMark.setParseAction(lambda x: '')
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
410 inputFrom = pyparsing.Word(self.legalChars + '/\\')('inputFrom')
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
411 inputFrom.setParseAction(lambda x: (x and open(x[0]).read()) or getPasteBuffer())
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
412 self.inputParser = inputMark + pyparsing.Optional(inputFrom)
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
413 self.inputParser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress)
153
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
414
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
415 def parsed(self, raw, **kwargs):
162
c50615cf814f merged with changes from work
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parents: 161
diff changeset
416 if isinstance(raw, ParsedString):
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
417 p = raw
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
418 else:
171
0b93f1a4076c lstripping commands
catherine@dellzilla
parents: 170
diff changeset
419 s = self.inputParser.transformString(raw.lstrip())
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
420 for (shortcut, expansion) in self.shortcuts.items():
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
421 if s.startswith(shortcut):
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
422 s = s.replace(shortcut, expansion + ' ', 1)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
423 break
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
424 result = self.parser.parseString(s)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
425 result['command'] = result.multilineCommand or result.command
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
426 result['raw'] = raw
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
427 result['clean'] = self.commentGrammars.transformString(result.args)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
428 result['expanded'] = s
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
429 p = ParsedString(result.clean)
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
430 p.parsed = result
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
431 p.parser = self.parsed
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
432 for (key, val) in kwargs.items():
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
433 p.parsed[key] = val
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
434 return p
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
435
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
436 def onecmd(self, line):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 to the prompt.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 commands by the interpreter should stop.
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
444
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
445 This (`cmd2`) version of `onecmd` already override's `cmd`'s `onecmd`.
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
447 """
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
448 if not line:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
449 return self.emptyline()
135
7c0a89fccf2b broken; midway through comments
catherine@Elli.myhome.westell.com
parents: 134
diff changeset
450 if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line):
179
321e0cc35661 oh no... must accept prompt changes
catherine@Elli.myhome.westell.com
parents: 177
diff changeset
451 return 0 # command was empty except for comments
192
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
452 import profile
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
453 try:
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
454 statement = self.parsed(line)
170
310ebf4baa7a \n endings still squirrely; watch blank spaces in saved files
catherine@dellzilla
parents: 169
diff changeset
455 while statement.parsed.multilineCommand and (statement.parsed.terminator == ''):
192
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
456 statement = '%s\n%s' % (statement.parsed.raw,
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
457 self.pseudo_raw_input(self.continuationPrompt))
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
458 statement = self.parsed(statement)
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
459 except Exception, e:
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
460 print e
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
461 return 0
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
462
177
f2b1643b5173 argh, zero-arg commands were dying
catherine@dellzilla
parents: 176
diff changeset
463 if not statement.parsed.command:
175
72de7d8566e2 tests finally passing
catherine@dellzilla
parents: 174
diff changeset
464 return 0
72de7d8566e2 tests finally passing
catherine@dellzilla
parents: 174
diff changeset
465
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
467 stop = 0
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
468
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
469 if statement.parsed.pipeTo:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
470 redirect = subprocess.Popen(statement.parsed.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
471 statekeeper = Statekeeper(self, ('stdout',))
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
472 self.stdout = redirect.stdin
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
473 elif statement.parsed.output:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
474 statekeeper = Statekeeper(self, ('stdout',))
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
475 if statement.parsed.outputTo:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
476 mode = 'w'
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
477 if statement.parsed.output == '>>':
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
478 mode = 'a'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
479 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
480 self.stdout = open(statement.parsed.outputTo, mode)
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
481 except OSError, e:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
482 print e
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
483 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
484 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
485 statekeeper = Statekeeper(self, ('stdout',))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
486 self.stdout = tempfile.TemporaryFile()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
487 if statement.parsed.output == '>>':
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
488 self.stdout.write(getPasteBuffer())
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
489 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
490 # "heart" of the command, replace's cmd's onecmd()
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
491 self.lastcmd = statement.parsed.expanded
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
492 try:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
493 func = getattr(self, 'do_' + statement.parsed.command)
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
494 except AttributeError:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
495 return self.default(statement)
192
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
496 timestart = datetime.datetime.now()
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
497 stop = func(statement)
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
498 if self.timing:
c0d4c7ba14a9 added settable timings param
catherine@Elli.myhome.westell.com
parents: 191
diff changeset
499 print 'Elapsed: %s' % str(datetime.datetime.now() - timestart)
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
500 except Exception, e:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
501 print e
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
503 if statement.parsed.command not in self.excludeFromHistory:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
504 self.history.append(statement.parsed.raw)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506 if statekeeper:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
507 if statement.parsed.output and not statement.parsed.outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
508 self.stdout.seek(0)
134
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
509 try:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
510 writeToPasteBuffer(self.stdout.read())
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
511 except Exception, e:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
512 print str(e)
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
513 elif statement.parsed.pipeTo:
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
514 for result in redirect.communicate():
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
515 statekeeper.stdout.write(result or '')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
516 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
518
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
525 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
529 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
538 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 # An almost perfect copy from Cmd; however, the pseudo_raw_input portion
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
549 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
550 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
551 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
552 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
553 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
554 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
555 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
556 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
557 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
558 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
559 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
560 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
562 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
563 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
564 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
567 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
568 line = self.pseudo_raw_input(self.prompt)
103
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
569 if (self.echo) and (isinstance(self.stdin, file)):
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
570 self.stdout.write(line + '\n')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
575 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
582 return stop
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
588 def showParam(self, param):
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
589 param = param.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
591 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
595 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
598
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
609 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
610 paramName, val = arg.split(None, 1)
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
611 paramName = paramName.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 if paramName not in self.settable:
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
613 raise NotSettableError
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
614 currentVal = getattr(self, paramName)
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
615 if (val[0] == val[-1]) and val[0] in ("'", '"'):
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
616 val = val[1:-1]
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
617 else:
163
61a57c44cd93 ugh - parsing stripping command causes real trouble
catherine@dellzilla
parents: 162
diff changeset
618 val = cast(currentVal, val)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
619 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
620 self.stdout.write('%s - was: %s\nnow: %s\n' % (paramName, currentVal, val))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
621 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 self.do_show(arg)
182
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
623 do_set.__doc__ = '%s\nOne of: %s' % (do_set.__doc__, ', '.join(settable))
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624
182
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
625 def do_pause(self, arg):
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
626 'Displays the specified text then waits for the user to press RETURN.'
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
627 raw_input(arg + '\n')
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
628
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
629 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
630 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
636 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
637 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
638 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
639 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
640 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
641 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
642 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
643 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
644 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
645 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
646 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
647 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
648 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
649 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
650 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
651 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
652 return self.history[-1]
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
653 except IndexError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
654 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
655 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
656 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
657
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
658 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
659 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
660 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
661 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
662 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
663 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
664 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
665 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
666 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
667 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
668 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
669 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
670 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
671
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
672 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
673 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
674 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
675 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
676
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
677 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
678 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
679 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
680 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
681 print "please use 'set editor' to specify your text editing program of choice."
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
682 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
683 filename = self.defaultFileName
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
684 if arg:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
685 try:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
686 buffer = self.last_matching(int(arg))
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
687 except ValueError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
688 filename = arg
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
689 buffer = ''
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
690 else:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
691 buffer = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
692
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
693 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
694 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
695 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
696 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
697
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
698 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
699 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
700 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
701
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
702 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") +
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
703 pyparsing.Optional(pyparsing.Word(legalChars + '/\\'))("fname") +
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
704 pyparsing.stringEnd)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
705 def do_save(self, arg):
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
706 """`save [N] [filename.ext]`
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
707 Saves command from history to file.
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
708 N => Number of command (from history), or `*`;
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
709 most recent command if omitted"""
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
710
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
711 try:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
712 args = self.saveparser.parseString(arg)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
713 except pyparsing.ParseException:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
714 print self.do_save.__doc__
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
715 return
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
716 fname = args.fname or self.defaultFileName
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
717 if args.idx == '*':
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
718 saveme = '\n\n'.join(self.history[:])
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
719 elif args.idx:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
720 saveme = self.history[int(args.idx)-1]
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
721 else:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
722 saveme = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
723 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
724 f = open(fname, 'w')
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
725 f.write(saveme)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
726 f.close()
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
727 print 'Saved to %s' % (fname)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
728 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
729 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
730
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
731 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
732 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
733 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
734 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
735 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
736 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
737 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
738 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
739 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
740 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
741 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
742 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
743 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
744 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
745 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
746 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
747 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
748 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
749 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
750 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
751 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
752 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
753 self.lastcmd = ''
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
754 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
755 do__load = do_load # avoid an unfortunate legacy use of do_load from sqlpython
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
756
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
757 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
758 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
759
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
760 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
761 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
762 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
763 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
764 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
765 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
766 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
767 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
768 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
769 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
770 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
771 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
772 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
773
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
774 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
775 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
776 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
777 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
778 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
779 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
780 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
781 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
782 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
783
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
784 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
785 def __init__(self, instr):
121
fe432d010ecc going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents: 119
diff changeset
786 str.__init__(self)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
787 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
788 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
789 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
790 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
791
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
792 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
793 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
794 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
795 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
796 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
797 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
798 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
799 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
800 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
801 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
802 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
803 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
804 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
805 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
806 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
807 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
808 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
809 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
810 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
811 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
812 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
813 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
814 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
815 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
816 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
817 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
818 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
819 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
820 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
821 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
822 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
823
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
824 class NotSettableError(Exception):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
825 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
826
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
827 def cast(current, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
828 """Tries to force a new value into the same type as the current."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
829 typ = type(current)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
830 if typ == bool:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
831 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
832 return bool(int(new))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
833 except ValueError, TypeError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
834 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
835 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
836 new = new.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
837 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
838 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
839 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
840 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
841 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
842 return False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
843 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
844 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
845 return typ(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
846 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
847 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
848 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
849 return current
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
850
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
851 class Statekeeper(object):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
852 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
853 self.obj = obj
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
854 self.attribs = attribs
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
855 self.save()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
856 def save(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
857 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
858 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
859 def restore(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
860 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
861 setattr(self.obj, attrib, getattr(self, attrib))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
862
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
863 class Borg(object):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
864 '''All instances of any Borg subclass will share state.
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
865 from Python Cookbook, 2nd Ed., recipe 6.16'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
866 _shared_state = {}
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
867 def __new__(cls, *a, **k):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
868 obj = object.__new__(cls, *a, **k)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
869 obj.__dict__ = cls._shared_state
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
870 return obj
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
871
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
872 class OutputTrap(Borg):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
873 '''Instantiate an OutputTrap to divert/capture ALL stdout output. For use in unit testing.
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
874 Call `tearDown()` to return to normal output.'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
875 def __init__(self):
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
876 self.old_stdout = sys.stdout
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
877 self.trap = tempfile.TemporaryFile()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
878 sys.stdout = self.trap
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
879 def read(self):
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
880 self.trap.seek(0)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
881 result = self.trap.read()
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
882 self.trap.truncate(0)
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
883 return result.strip('\x00')
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
884 def tearDown(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
885 sys.stdout = self.old_stdout
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
886
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
887 class Cmd2TestCase(unittest.TestCase):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
888 '''Subclass this, setting CmdApp and transcriptFileName, to make a unittest.TestCase class
109
78c4db4c2045 all done but the proper packaging
catherine@dellzilla
parents: 108
diff changeset
889 that will execute the commands in transcriptFileName and expect the results shown.
78c4db4c2045 all done but the proper packaging
catherine@dellzilla
parents: 108
diff changeset
890 See example.py'''
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
891 CmdApp = None
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
892 transcriptFileName = ''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
893 def setUp(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
894 if self.CmdApp:
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
895 self.outputTrap = OutputTrap()
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
896 self.cmdapp = self.CmdApp()
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
897 try:
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
898 tfile = open(self.transcriptFileName)
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
899 self.transcript = iter(tfile.readlines())
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
900 tfile.close()
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
901 except IOError:
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
902 self.transcript = []
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
903 def assertEqualEnough(self, got, expected, message):
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
904 got = got.strip().splitlines()
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
905 expected = expected.strip().splitlines()
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
906 self.assertEqual(len(got), len(expected), message)
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
907 for (linegot, lineexpected) in zip(got, expected):
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
908 matchme = re.escape(lineexpected.strip()).replace('\\*', '.*'). \
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
909 replace('\\ ', ' ')
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
910 self.assert_(re.match(matchme, linegot.strip()), message)
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
911 def testall(self):
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
912 if self.CmdApp:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
913 lineNum = 0
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
914 try:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
915 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
916 while True:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
917 while not line.startswith(self.cmdapp.prompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
918 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
919 command = [line[len(self.cmdapp.prompt):]]
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
920 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
921 while line.startswith(self.cmdapp.continuationPrompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
922 command.append(line[len(self.cmdapp.continuationPrompt):])
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
923 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
924 command = ''.join(command)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
925 self.cmdapp.onecmd(command)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
926 result = self.outputTrap.read()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
927 if line.startswith(self.cmdapp.prompt):
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
928 self.assertEqualEnough(result.strip(), '',
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
929 '\nFile %s, line %d\nCommand was:\n%s\nExpected: (nothing) \nGot:\n%s\n' %
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
930 (self.transcriptFileName, lineNum, command, result))
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
931 continue
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
932 expected = []
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
933 while not line.startswith(self.cmdapp.prompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
934 expected.append(line)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
935 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
936 expected = ''.join(expected)
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
937 self.assertEqualEnough(expected.strip(), result.strip(),
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
938 '\nFile %s, line %d\nCommand was:\n%s\nExpected:\n%s\nGot:\n%s\n' %
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
939 (self.transcriptFileName, lineNum, command, expected, result))
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
940 # this needs to account for a line-by-line strip()ping
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
941 except StopIteration:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
942 pass
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
943 # catch the final output?
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
944 def tearDown(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
945 if self.CmdApp:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
946 self.outputTrap.tearDown()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
947
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
948 if __name__ == '__main__':
158
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
949 doctest.testmod(optionflags = doctest.NORMALIZE_WHITESPACE)
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
950 #c = Cmd()