Mercurial > python-cmd2

annotate cmd2.py @ 191:9d9e9ea88daf

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drop unused code
author catherine@Elli.myhome.westell.com
date Thu, 12 Feb 2009 04:29:43 -0500
parents 51c15fe803a4
children c0d4c7ba14a9
rev   line source
0
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diff changeset
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
13
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12 Parsing commands with `optparse` options (flags)
0
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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
84
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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
a242603905d9 ready to release 0.3.0
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20 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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21
126
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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
0
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26 """
152
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27 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest, unittest, string
10
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28 from optparse import make_option
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29 __version__ = '0.4.5'
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30
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31 class OptionParser(optparse.OptionParser):
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32 def exit(self, status=0, msg=None):
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33 self.values._exit = True
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34 if msg:
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35 print msg
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36
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37 def error(self, msg):
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38 """error(msg : string)
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39
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40 Print a usage message incorporating 'msg' to stderr and exit.
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41 If you override this in a subclass, it should not return -- it
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42 should either exit or raise an exception.
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43 """
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44 raise
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45
187
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46 def remainingArgs(oldArgs, newArgList):
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47 '''
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48 >>> remainingArgs('-f bar bar cow', ['bar', 'cow'])
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49 'bar cow'
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50 '''
189
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51 pattern = '\s+'.join(re.escape(a) for a in newArgList) + '\s*$'
187
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52 matchObj = re.search(pattern, oldArgs)
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53 return oldArgs[matchObj.start():]
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54
10
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55 def options(option_list):
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56 def option_setup(func):
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57 optionParser = OptionParser()
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58 for opt in option_list:
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59 optionParser.add_option(opt)
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60 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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61 def newFunc(instance, arg):
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62 try:
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63 opts, newArgList = optionParser.parse_args(arg.split()) # doesn't understand quoted strings shouldn't be dissected!
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64 newArgs = remainingArgs(arg, newArgList) # should it permit flags after args?
20
c8efa4369189 fixes to option parsing
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65 except (optparse.OptionValueError, optparse.BadOptionError,
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66 optparse.OptionError, optparse.AmbiguousOptionError,
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67 optparse.OptionConflictError), e:
10
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68 print e
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69 optionParser.print_help()
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70 return
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71 if hasattr(opts, '_exit'):
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72 return None
187
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73 terminator = arg.parsed.terminator
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74 try:
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75 if arg.parsed.terminator[0] == '\n':
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76 terminator = arg.parsed.terminator[0]
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77 except IndexError:
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78 pass
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79 arg = arg.parser('%s %s%s%s' % (arg.parsed.command, newArgs, terminator, arg.parsed.suffix))
37
a974e2f44cbe made redirectors work with app-specific StatementEndPattern
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80 result = func(instance, arg, opts)
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81 return result
10
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82 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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83 return newFunc
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84 return option_setup
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85
27
a76798cde34c hooray, pasting working in windows
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86 class PasteBufferError(EnvironmentError):
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87 if sys.platform[:3] == 'win':
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88 errmsg = """Redirecting to or from paste buffer requires pywin32
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89 to be installed on operating system.
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90 Download from http://sourceforge.net/projects/pywin32/"""
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91 else:
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92 errmsg = """Redirecting to or from paste buffer requires xclip
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93 to be installed on operating system.
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94 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
28
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95 def __init__(self):
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96 Exception.__init__(self, self.errmsg)
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97
29
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98 '''check here if functions exist; otherwise, stub out'''
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99 pastebufferr = """Redirecting to or from paste buffer requires %s
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100 to be installed on operating system.
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101 %s"""
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102 if subprocess.mswindows:
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103 try:
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104 import win32clipboard
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105 def getPasteBuffer():
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28b3fb301d3d almost working, but problem with check_call
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106 win32clipboard.OpenClipboard(0)
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107 try:
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108 result = win32clipboard.GetClipboardData()
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109 except TypeError:
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110 result = '' #non-text
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111 win32clipboard.CloseClipboard()
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112 return result
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113 def writeToPasteBuffer(txt):
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114 win32clipboard.OpenClipboard(0)
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115 win32clipboard.EmptyClipboard()
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116 win32clipboard.SetClipboardText(txt)
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117 win32clipboard.CloseClipboard()
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118 except ImportError:
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119 def getPasteBuffer(*args):
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120 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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121 setPasteBuffer = getPasteBuffer
27
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122 else:
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123 can_clip = False
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124 try:
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125 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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126 can_clip = True
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127 except AttributeError: # check_call not defined, Python < 2.5
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128 teststring = 'Testing for presence of xclip.'
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129 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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130 xclipproc.stdin.write(teststring)
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131 xclipproc.stdin.close()
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132 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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133 if xclipproc.stdout.read() == teststring:
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134 can_clip = True
56
f844b6c78192 fixing (hopefully) broken pipe error for headless systems
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135 except (subprocess.CalledProcessError, OSError, IOError):
29
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136 pass
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137 if can_clip:
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138 def getPasteBuffer():
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139 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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140 return xclipproc.stdout.read()
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141 def writeToPasteBuffer(txt):
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142 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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143 xclipproc.stdin.write(txt)
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144 xclipproc.stdin.close()
83
2176ce847939 merged copy to both clipboards in
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145 # but we want it in both the "primary" and "mouse" clipboards
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146 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
2176ce847939 merged copy to both clipboards in
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147 xclipproc.stdin.write(txt)
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148 xclipproc.stdin.close()
29
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149 else:
106
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150 def getPasteBuffer(*args):
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151 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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152 setPasteBuffer = getPasteBuffer
106
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153 writeToPasteBuffer = getPasteBuffer
79
f583663c610f switch to pyparsing worked
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154
f583663c610f switch to pyparsing worked
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155 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t')
154
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parents: 153
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156
157
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157 class ParsedString(str):
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158 pass
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159
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febfdc79550b moved repository to Assembla
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160 class Cmd(cmd.Cmd):
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e4daf715fc31 echo on
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161 echo = False
0
febfdc79550b moved repository to Assembla
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162 caseInsensitive = True
157
10e917acf787 wow, parsing is broken
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163 continuationPrompt = '> '
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
164 legalChars = '!#$%.:?@_' + pyparsing.alphanums + pyparsing.alphas8bit # make sure your terminators are not in here!
137
308e99cebbb8 comments working?
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parents: 136
diff changeset
165 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' }
106
2d3232693807 prompt-setting quirks
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parents: 105
diff changeset
166 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
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parents: 105
diff changeset
167 noSpecialParse = 'set ed edit exit'.split()
0
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parents:
diff changeset
168 defaultExtension = 'txt'
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parents:
diff changeset
169 defaultFileName = 'command.txt'
170
310ebf4baa7a \n endings still squirrely; watch blank spaces in saved files
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parents: 169
diff changeset
170 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo']
169
429c8e984df4 all working, except \n\n terminators
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parents: 168
diff changeset
171
0
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parents:
diff changeset
172 editor = os.environ.get('EDITOR')
42
b3200c6e5763 inserting exception for quit...
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parents: 41
diff changeset
173 _STOP_AND_EXIT = 2
0
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parents:
diff changeset
174 if not editor:
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parents:
diff changeset
175 if sys.platform[:3] == 'win':
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parents:
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176 editor = 'notepad'
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parents:
diff changeset
177 else:
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parents:
diff changeset
178 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
47
927bc07467de fixed misfind of editor
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parents: 46
diff changeset
179 if not os.system('which %s' % (editor)):
0
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parents:
diff changeset
180 break
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parents:
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181
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parents:
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182 def do_cmdenvironment(self, args):
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parents:
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183 self.stdout.write("""
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parents:
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184 Commands are %(casesensitive)scase-sensitive.
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185 Commands may be terminated with: %(terminators)s
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parents:
diff changeset
186 Settable parameters: %(settable)s
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parents:
diff changeset
187 """ %
2
1ea887b51cad python 2.4 compatibility
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parents: 0
diff changeset
188 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
171
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parents: 170
diff changeset
189 'terminators': str(self.terminators),
0
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parents:
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190 'settable': ' '.join(self.settable)
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parents:
diff changeset
191 })
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parents:
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192
10
47af95ad83c7 working the refactor still
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parents: 4
diff changeset
193 def do_help(self, arg):
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parents: 4
diff changeset
194 cmd.Cmd.do_help(self, arg)
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parents: 4
diff changeset
195 try:
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parents: 4
diff changeset
196 fn = getattr(self, 'do_' + arg)
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parents: 4
diff changeset
197 if fn and fn.optionParser:
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parents: 4
diff changeset
198 fn.optionParser.print_help(file=self.stdout)
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catherine@localhost
parents: 4
diff changeset
199 except AttributeError:
47af95ad83c7 working the refactor still
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parents: 4
diff changeset
200 pass
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parents: 4
diff changeset
201
0
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parents:
diff changeset
202 def __init__(self, *args, **kwargs):
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parents:
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203 cmd.Cmd.__init__(self, *args, **kwargs)
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204 self.history = History()
152
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parents: 151
diff changeset
205 self._init_parser()
0
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parents:
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206
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parents:
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207 def do_shortcuts(self, args):
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parents:
diff changeset
208 """Lists single-key shortcuts available."""
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parents:
diff changeset
209 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
diff changeset
210 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
diff changeset
211
137
308e99cebbb8 comments working?
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parents: 136
diff changeset
212 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment])
153
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diff changeset
213 commentGrammars.addParseAction(lambda x: '')
136
67558b85ab38 comments working?
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parents: 135
diff changeset
214 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd)
171
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parents: 170
diff changeset
215 terminators = [';']
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parents: 170
diff changeset
216 blankLinesAllowed = False
153
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parents: 152
diff changeset
217 multilineCommands = []
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
218
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
219 def _init_parser(self):
184
d1a87c14675b putting parsing variables under self
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parents: 183
diff changeset
220 r'''
146
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parents: 145
diff changeset
221 >>> c = Cmd()
153
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diff changeset
222 >>> c.multilineCommands = ['multiline']
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diff changeset
223 >>> c.caseInsensitive = True
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diff changeset
224 >>> c._init_parser()
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
225 >>> print c.parser.parseString('').dump()
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parents: 157
diff changeset
226 []
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parents: 157
diff changeset
227 >>> print c.parser.parseString('/* empty command */').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('plainword').dump()
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parents: 157
diff changeset
230 ['plainword', '']
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parents: 157
diff changeset
231 - command: plainword
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parents: 157
diff changeset
232 - statement: ['plainword', '']
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parents: 157
diff changeset
233 - command: plainword
157
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
234 >>> print c.parser.parseString('termbare;').dump()
158
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parents: 157
diff changeset
235 ['termbare', '', ';', '']
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parents: 157
diff changeset
236 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
237 - statement: ['termbare', '', ';']
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parents: 157
diff changeset
238 - command: termbare
87d3f3203b96 accept blanks
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parents: 157
diff changeset
239 - terminator: ;
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parents: 157
diff changeset
240 - terminator: ;
157
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
241 >>> print c.parser.parseString('termbare; suffx').dump()
158
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parents: 157
diff changeset
242 ['termbare', '', ';', 'suffx']
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parents: 157
diff changeset
243 - command: termbare
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
244 - statement: ['termbare', '', ';']
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 - terminator: ;
87d3f3203b96 accept blanks
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parents: 157
diff changeset
247 - suffix: suffx
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parents: 157
diff changeset
248 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
249 >>> print c.parser.parseString('barecommand').dump()
153
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
250 ['barecommand', '']
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parents: 152
diff changeset
251 - command: barecommand
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catherine@dellzilla
parents: 152
diff changeset
252 - statement: ['barecommand', '']
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
253 - command: barecommand
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
254 >>> print c.parser.parseString('COMmand with args').dump()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
255 ['command', 'with args']
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catherine@dellzilla
parents: 156
diff changeset
256 - args: with args
153
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parents: 152
diff changeset
257 - command: command
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
258 - statement: ['command', 'with args']
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catherine@dellzilla
parents: 156
diff changeset
259 - args: with args
153
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parents: 152
diff changeset
260 - command: command
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
261 >>> print c.parser.parseString('command with args and terminator; and suffix').dump()
158
87d3f3203b96 accept blanks
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parents: 157
diff changeset
262 ['command', 'with args and terminator', ';', 'and suffix']
153
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catherine@dellzilla
parents: 152
diff changeset
263 - args: with args and terminator
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parents: 152
diff changeset
264 - command: command
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
265 - statement: ['command', 'with args and terminator', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
266 - args: with args and terminator
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catherine@dellzilla
parents: 152
diff changeset
267 - command: command
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catherine@dellzilla
parents: 152
diff changeset
268 - terminator: ;
158
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parents: 157
diff changeset
269 - suffix: and suffix
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parents: 157
diff changeset
270 - terminator: ;
153
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parents: 152
diff changeset
271 >>> print c.parser.parseString('simple | piped').dump()
157
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parents: 156
diff changeset
272 ['simple', '', '|', ' piped']
153
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parents: 152
diff changeset
273 - command: simple
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
274 - pipeTo: piped
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
275 - statement: ['simple', '']
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parents: 152
diff changeset
276 - command: simple
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
277 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
278 ['command', 'with args, terminator', ';', 'sufx', '|', ' piped']
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
279 - args: with args, terminator
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
280 - command: command
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
281 - pipeTo: piped
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
282 - statement: ['command', 'with args, terminator', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
283 - args: with args, terminator
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
284 - command: command
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catherine@dellzilla
parents: 152
diff changeset
285 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
286 - suffix: sufx
155
8ba5127167f5 file output working again
catherine@dellzilla
parents: 154
diff changeset
287 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
288 >>> print c.parser.parseString('output into > afile.txt').dump()
157
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parents: 156
diff changeset
289 ['output', 'into', '>', 'afile.txt']
153
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parents: 152
diff changeset
290 - args: into
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
291 - command: output
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parents: 152
diff changeset
292 - output: >
155
8ba5127167f5 file output working again
catherine@dellzilla
parents: 154
diff changeset
293 - outputTo: afile.txt
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
294 - statement: ['output', 'into']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
295 - args: into
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
296 - command: output
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
297 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump()
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parents: 156
diff changeset
298 ['output', 'into', ';', 'sufx', '|', ' pipethrume plz', '>', 'afile.txt']
10e917acf787 wow, parsing is broken
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parents: 156
diff changeset
299 - args: into
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
300 - command: output
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catherine@dellzilla
parents: 156
diff changeset
301 - output: >
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
302 - outputTo: afile.txt
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
303 - pipeTo: pipethrume plz
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
304 - statement: ['output', 'into', ';']
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catherine@dellzilla
parents: 152
diff changeset
305 - args: into
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
306 - command: output
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catherine@dellzilla
parents: 152
diff changeset
307 - terminator: ;
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catherine@dellzilla
parents: 152
diff changeset
308 - suffix: sufx
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catherine@dellzilla
parents: 152
diff changeset
309 - terminator: ;
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
310 >>> print c.parser.parseString('output to paste buffer >> ').dump()
157
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parents: 156
diff changeset
311 ['output', 'to paste buffer', '>>', '']
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parents: 156
diff changeset
312 - args: to paste buffer
153
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catherine@dellzilla
parents: 152
diff changeset
313 - command: output
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parents: 152
diff changeset
314 - output: >>
157
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catherine@dellzilla
parents: 156
diff changeset
315 - statement: ['output', 'to paste buffer']
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
316 - args: to paste buffer
153
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catherine@dellzilla
parents: 152
diff changeset
317 - command: output
152
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
318 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump()
153
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parents: 152
diff changeset
319 ['ignore', 'the /* commented | > */ stuff', ';', '']
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parents: 152
diff changeset
320 - args: the /* commented | > */ stuff
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catherine@dellzilla
parents: 152
diff changeset
321 - command: ignore
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
322 - statement: ['ignore', 'the /* commented | > */ stuff', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
323 - args: the /* commented | > */ stuff
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catherine@dellzilla
parents: 152
diff changeset
324 - command: ignore
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
325 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
326 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
327 >>> print c.parser.parseString('has > inside;').dump()
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
328 ['has', '> inside', ';', '']
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catherine@dellzilla
parents: 152
diff changeset
329 - args: > inside
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catherine@dellzilla
parents: 152
diff changeset
330 - command: has
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
331 - statement: ['has', '> inside', ';']
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
332 - args: > inside
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catherine@dellzilla
parents: 152
diff changeset
333 - command: has
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
334 - terminator: ;
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catherine@dellzilla
parents: 152
diff changeset
335 - terminator: ;
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
336 >>> print c.parser.parseString('multiline has > inside an unfinished command').dump()
173
10a45c030364 simplifying testcase
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parents: 172
diff changeset
337 ['multiline', ' has > inside an unfinished command']
153
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parents: 152
diff changeset
338 - multilineCommand: multiline
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
339 >>> print c.parser.parseString('multiline has > inside;').dump()
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parents: 152
diff changeset
340 ['multiline', 'has > inside', ';', '']
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catherine@dellzilla
parents: 152
diff changeset
341 - args: has > inside
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
342 - multilineCommand: multiline
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
343 - statement: ['multiline', 'has > inside', ';']
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
344 - args: has > inside
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
345 - multilineCommand: multiline
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catherine@dellzilla
parents: 152
diff changeset
346 - terminator: ;
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parents: 152
diff changeset
347 - terminator: ;
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catherine@dellzilla
parents: 152
diff changeset
348 >>> print c.parser.parseString('multiline command /* with comment in progress;').dump()
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
349 ['multiline', ' command /* with comment in progress;']
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
350 - multilineCommand: multiline
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
351 >>> print c.parser.parseString('multiline command /* with comment complete */ is done;').dump()
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
352 ['multiline', 'command /* with comment complete */ is done', ';', '']
5c5c458a6b70 parsing going well
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parents: 152
diff changeset
353 - args: command /* with comment complete */ is done
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catherine@dellzilla
parents: 152
diff changeset
354 - multilineCommand: multiline
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catherine@dellzilla
parents: 152
diff changeset
355 - statement: ['multiline', 'command /* with comment complete */ is done', ';']
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catherine@dellzilla
parents: 152
diff changeset
356 - args: command /* with comment complete */ is done
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
357 - multilineCommand: multiline
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parents: 152
diff changeset
358 - terminator: ;
158
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
359 - terminator: ;
186
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
360 >>> print c.parser.parseString('multiline command ends\n\n').dump()
bee79220382c unit tests passing
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parents: 185
diff changeset
361 ['multiline', 'command ends', '\n', '\n']
bee79220382c unit tests passing
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parents: 185
diff changeset
362 - args: command ends
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
363 - multilineCommand: multiline
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
364 - statement: ['multiline', 'command ends', '\n', '\n']
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
365 - args: command ends
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
366 - multilineCommand: multiline
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
367 - terminator: ['\n', '\n']
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
368 - terminator: ['\n', '\n']
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
369 '''
146
9ffb01d8876f streamlining parsing
catherine@dellzilla
parents: 145
diff changeset
370 outputParser = pyparsing.oneOf(['>>','>'])('output')
171
0b93f1a4076c lstripping commands
catherine@dellzilla
parents: 170
diff changeset
371 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
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
372 stringEnd = pyparsing.stringEnd ^ '\nEOF'
184
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
373 self.multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand')
186
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
374 oneLineCommand = (~self.multilineCommand + pyparsing.Word(self.legalChars))('command')
160
59b7847ec3ca little fixes
catherine@dellzilla
parents: 159
diff changeset
375 pipe = pyparsing.Keyword('|', identChars='|')
168
786ab5a83eea quotes still getting snipped, ugh
catherine@dellzilla
parents: 167
diff changeset
376 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '')
786ab5a83eea quotes still getting snipped, ugh
catherine@dellzilla
parents: 167
diff changeset
377 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment)
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
378 afterElements = \
160
59b7847ec3ca little fixes
catherine@dellzilla
parents: 159
diff changeset
379 pyparsing.Optional(pipe + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeTo')) + \
155
8ba5127167f5 file output working again
catherine@dellzilla
parents: 154
diff changeset
380 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd).setParseAction(lambda x: x[0].strip())('outputTo'))
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
381 if self.caseInsensitive:
184
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
382 self.multilineCommand.setParseAction(lambda x: x[0].lower())
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
383 oneLineCommand.setParseAction(lambda x: x[0].lower())
171
0b93f1a4076c lstripping commands
catherine@dellzilla
parents: 170
diff changeset
384 if self.blankLinesAllowed:
184
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
385 self.blankLineTerminationParser = pyparsing.NoMatch
171
0b93f1a4076c lstripping commands
catherine@dellzilla
parents: 170
diff changeset
386 else:
186
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
387 self.blankLineTerminator = (pyparsing.lineEnd + pyparsing.lineEnd)('terminator')
184
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
388 self.blankLineTerminator.setResultsName('terminator')
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
389 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
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
390 self.multilineParser = (((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') +
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
391 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
392 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
393 pyparsing.Optional(terminatorParser) + afterElements)
186
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
394 #self.multilineParser = self.multilineParser.setResultsName('multilineParser')
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
395 #self.singleLineParser = self.singleLineParser.setResultsName('singleLineParser')
bee79220382c unit tests passing
catherine@Elli.myhome.westell.com
parents: 185
diff changeset
396 #self.blankLineTerminationParser = self.blankLineTerminationParser.setResultsName('blankLineTerminatorParser')
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
397 self.parser = (
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
398 stringEnd |
184
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
399 self.multilineParser |
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
400 self.singleLineParser |
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
401 self.blankLineTerminationParser |
d1a87c14675b putting parsing variables under self
catherine@Elli.myhome.westell.com
parents: 183
diff changeset
402 self.multilineCommand + pyparsing.SkipTo(stringEnd)
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
403 )
169
429c8e984df4 all working, except \n\n terminators
catherine@dellzilla
parents: 168
diff changeset
404 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
405
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
406 inputMark = pyparsing.Literal('<')
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
407 inputMark.setParseAction(lambda x: '')
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
408 inputFrom = pyparsing.Word(self.legalChars + '/\\')('inputFrom')
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
409 inputFrom.setParseAction(lambda x: (x and open(x[0]).read()) or getPasteBuffer())
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
410 self.inputParser = inputMark + pyparsing.Optional(inputFrom)
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
411 self.inputParser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress)
153
5c5c458a6b70 parsing going well
catherine@dellzilla
parents: 152
diff changeset
412
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
413 def parsed(self, raw, **kwargs):
162
c50615cf814f merged with changes from work
catherine@Elli.myhome.westell.com
parents: 161
diff changeset
414 if isinstance(raw, ParsedString):
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
415 p = raw
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
416 else:
171
0b93f1a4076c lstripping commands
catherine@dellzilla
parents: 170
diff changeset
417 s = self.inputParser.transformString(raw.lstrip())
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
418 for (shortcut, expansion) in self.shortcuts.items():
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
419 if s.startswith(shortcut):
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
420 s = s.replace(shortcut, expansion + ' ', 1)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
421 break
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
422 result = self.parser.parseString(s)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
423 result['command'] = result.multilineCommand or result.command
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
424 result['raw'] = raw
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
425 result['clean'] = self.commentGrammars.transformString(result.args)
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
426 result['expanded'] = s
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
427 p = ParsedString(result.clean)
165
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
428 p.parsed = result
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
429 p.parser = self.parsed
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
430 for (key, val) in kwargs.items():
3dc882a00e53 terminators + suffixes now preserved
catherine@dellzilla
parents: 164
diff changeset
431 p.parsed[key] = val
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
432 return p
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
433
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
434 def onecmd(self, line):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 to the prompt.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 commands by the interpreter should stop.
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
442
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
443 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
444
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
445 """
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
446 if not line:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
447 return self.emptyline()
135
7c0a89fccf2b broken; midway through comments
catherine@Elli.myhome.westell.com
parents: 134
diff changeset
448 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
449 return 0 # command was empty except for comments
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
450 try:
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
451 statement = self.parsed(line)
170
310ebf4baa7a \n endings still squirrely; watch blank spaces in saved files
catherine@dellzilla
parents: 169
diff changeset
452 while statement.parsed.multilineCommand and (statement.parsed.terminator == ''):
166
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
453 statement = self.parsed('%s\n%s' % (statement.parsed.raw,
a3414ac38677 so close - now problem with terminator in string
catherine@dellzilla
parents: 165
diff changeset
454 self.pseudo_raw_input(self.continuationPrompt)))
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
455 except Exception, e:
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
456 print e
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
457 return 0
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
458
177
f2b1643b5173 argh, zero-arg commands were dying
catherine@dellzilla
parents: 176
diff changeset
459 if not statement.parsed.command:
175
72de7d8566e2 tests finally passing
catherine@dellzilla
parents: 174
diff changeset
460 return 0
72de7d8566e2 tests finally passing
catherine@dellzilla
parents: 174
diff changeset
461
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
463 stop = 0
154
606ad25c7f7e new experiment with ignore?
catherine@dellzilla
parents: 153
diff changeset
464
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
465 if statement.parsed.pipeTo:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
466 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
467 statekeeper = Statekeeper(self, ('stdout',))
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
468 self.stdout = redirect.stdin
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
469 elif statement.parsed.output:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
470 statekeeper = Statekeeper(self, ('stdout',))
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
471 if statement.parsed.outputTo:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
472 mode = 'w'
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
473 if statement.parsed.output == '>>':
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
474 mode = 'a'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
475 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
476 self.stdout = open(statement.parsed.outputTo, mode)
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
477 except OSError, e:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
478 print e
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
479 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
480 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
481 statekeeper = Statekeeper(self, ('stdout',))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
482 self.stdout = tempfile.TemporaryFile()
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
483 if statement.parsed.output == '>>':
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
484 self.stdout.write(getPasteBuffer())
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
485 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
486 # "heart" of the command, replace's cmd's onecmd()
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
487 self.lastcmd = statement.parsed.expanded
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
488 try:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
489 func = getattr(self, 'do_' + statement.parsed.command)
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
490 except AttributeError:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
491 return self.default(statement)
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
492 stop = func(statement)
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
493 except Exception, e:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
494 print e
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 try:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
496 if statement.parsed.command not in self.excludeFromHistory:
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
497 self.history.append(statement.parsed.raw)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 if statekeeper:
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
500 if statement.parsed.output and not statement.parsed.outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
501 self.stdout.seek(0)
134
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
502 try:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
503 writeToPasteBuffer(self.stdout.read())
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
504 except Exception, e:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
505 print str(e)
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
506 elif statement.parsed.pipeTo:
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
507 for result in redirect.communicate():
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
508 statekeeper.stdout.write(result or '')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
511
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
515 """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
516
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
518 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
525 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
529 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
538
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539 # 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
540 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
549 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
550 pass
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 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
553 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
554 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
555 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
556 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
557 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
558 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
559 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
560 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 line = self.pseudo_raw_input(self.prompt)
103
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
562 if (self.echo) and (isinstance(self.stdin, file)):
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
563 self.stdout.write(line + '\n')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
564 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
567 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
568 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
569 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
575 return stop
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 def showParam(self, param):
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
582 param = param.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
588 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
589 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
591
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
595 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
598 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603 paramName, val = arg.split(None, 1)
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
604 paramName = paramName.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 if paramName not in self.settable:
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
606 raise NotSettableError
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 currentVal = getattr(self, paramName)
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
608 if (val[0] == val[-1]) and val[0] in ("'", '"'):
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
609 val = val[1:-1]
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
610 else:
163
61a57c44cd93 ugh - parsing stripping command causes real trouble
catherine@dellzilla
parents: 162
diff changeset
611 val = cast(currentVal, val)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
613 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
614 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
615 self.do_show(arg)
182
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
616 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
617
182
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
618 def do_pause(self, arg):
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
619 '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
620 raw_input(arg + '\n')
1c21db096f49 switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents: 181
diff changeset
621
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
623 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
625
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
626 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
627 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
628
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
629 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
630 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
636 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
637 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
638 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
639 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
640 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
641 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
642 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
643 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
644 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
645 return self.history[-1]
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
646 except IndexError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
647 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
648 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
649 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
650
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
651 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
652 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
653 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
654 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
655 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
656 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
657 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
658 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
659 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
660 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
661 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
662 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
663 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
664
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
665 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
666 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
667 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
668 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
669
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
670 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
671 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
672 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
673 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
674 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
675 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
676 filename = self.defaultFileName
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
677 if arg:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
678 try:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
679 buffer = self.last_matching(int(arg))
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
680 except ValueError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
681 filename = arg
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
682 buffer = ''
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
683 else:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
684 buffer = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
685
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
686 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
687 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
688 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
689 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
690
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
691 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
692 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
693 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
694
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
695 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") +
157
10e917acf787 wow, parsing is broken
catherine@dellzilla
parents: 156
diff changeset
696 pyparsing.Optional(pyparsing.Word(legalChars + '/\\'))("fname") +
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
697 pyparsing.stringEnd)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
698 def do_save(self, arg):
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
699 """`save [N] [filename.ext]`
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
700 Saves command from history to file.
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
701 N => Number of command (from history), or `*`;
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
702 most recent command if omitted"""
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
703
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
704 try:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
705 args = self.saveparser.parseString(arg)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
706 except pyparsing.ParseException:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
707 print self.do_save.__doc__
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
708 return
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
709 fname = args.fname or self.defaultFileName
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
710 if args.idx == '*':
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
711 saveme = '\n\n'.join(self.history[:])
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
712 elif args.idx:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
713 saveme = self.history[int(args.idx)-1]
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
714 else:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
715 saveme = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
716 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
717 f = open(fname, 'w')
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
718 f.write(saveme)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
719 f.close()
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
720 print 'Saved to %s' % (fname)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
721 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
722 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
723
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
724 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
725 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
726 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
727 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
728 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
729 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
730 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
731 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
732 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
733 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
734 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
735 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
736 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
737 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
738 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
739 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
740 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
741 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
742 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
743 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
744 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
745 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
746 self.lastcmd = ''
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
747 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
748 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
749
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
750 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
751 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
752
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
753 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
754 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
755 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
756 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
757 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
758 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
759 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
760 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
761 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
762 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
763 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
764 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
765 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
766
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
767 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
768 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
769 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
770 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
771 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
772 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
773 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
774 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
775 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
776
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
777 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
778 def __init__(self, instr):
121
fe432d010ecc going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents: 119
diff changeset
779 str.__init__(self)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
780 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
781 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
782 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
783 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
784
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
785 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
786 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
787 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
788 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
789 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
790 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
791 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
792 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
793 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
794 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
795 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
796 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
797 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
798 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
799 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
800 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
801 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
802 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
803 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
804 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
805 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
806 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
807 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
808 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
809 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
810 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
811 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
812 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
813 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
814 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
815 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
816
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
817 class NotSettableError(Exception):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
818 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
819
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
820 def cast(current, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
821 """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
822 typ = type(current)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
823 if typ == bool:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
824 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
825 return bool(int(new))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
826 except ValueError, TypeError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
827 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
828 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
829 new = new.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
830 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
831 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
832 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
833 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
834 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
835 return False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
836 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
837 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
838 return typ(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
839 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
840 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
841 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
842 return current
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
843
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
844 class Statekeeper(object):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
845 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
846 self.obj = obj
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
847 self.attribs = attribs
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
848 self.save()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
849 def save(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
850 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
851 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
852 def restore(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
853 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
854 setattr(self.obj, attrib, getattr(self, attrib))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
855
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
856 class Borg(object):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
857 '''All instances of any Borg subclass will share state.
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
858 from Python Cookbook, 2nd Ed., recipe 6.16'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
859 _shared_state = {}
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
860 def __new__(cls, *a, **k):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
861 obj = object.__new__(cls, *a, **k)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
862 obj.__dict__ = cls._shared_state
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
863 return obj
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
864
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
865 class OutputTrap(Borg):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
866 '''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
867 Call `tearDown()` to return to normal output.'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
868 def __init__(self):
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
869 self.old_stdout = sys.stdout
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
870 self.trap = tempfile.TemporaryFile()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
871 sys.stdout = self.trap
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
872 def read(self):
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
873 self.trap.seek(0)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
874 result = self.trap.read()
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
875 self.trap.truncate(0)
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
876 return result.strip('\x00')
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
877 def tearDown(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
878 sys.stdout = self.old_stdout
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
879
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
880 class Cmd2TestCase(unittest.TestCase):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
881 '''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
882 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
883 See example.py'''
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
884 CmdApp = None
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
885 transcriptFileName = ''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
886 def setUp(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
887 if self.CmdApp:
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
888 self.outputTrap = OutputTrap()
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
889 self.cmdapp = self.CmdApp()
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
890 try:
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
891 tfile = open(self.transcriptFileName)
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
892 self.transcript = iter(tfile.readlines())
173
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
893 tfile.close()
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
894 except IOError:
10a45c030364 simplifying testcase
catherine@dellzilla
parents: 172
diff changeset
895 self.transcript = []
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
896 def assertEqualEnough(self, got, expected, message):
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
897 got = got.strip().splitlines()
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
898 expected = expected.strip().splitlines()
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
899 self.assertEqual(len(got), len(expected), message)
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
900 for (linegot, lineexpected) in zip(got, expected):
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
901 matchme = re.escape(lineexpected.strip()).replace('\\*', '.*'). \
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
902 replace('\\ ', ' ')
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
903 self.assert_(re.match(matchme, linegot.strip()), message)
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
904 def testall(self):
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
905 if self.CmdApp:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
906 lineNum = 0
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
907 try:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
908 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
909 while True:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
910 while not line.startswith(self.cmdapp.prompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
911 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
912 command = [line[len(self.cmdapp.prompt):]]
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
913 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
914 while line.startswith(self.cmdapp.continuationPrompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
915 command.append(line[len(self.cmdapp.continuationPrompt):])
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
916 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
917 command = ''.join(command)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
918 self.cmdapp.onecmd(command)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
919 result = self.outputTrap.read()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
920 if line.startswith(self.cmdapp.prompt):
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
921 self.assertEqualEnough(result.strip(), '',
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
922 '\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
923 (self.transcriptFileName, lineNum, command, result))
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
924 continue
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
925 expected = []
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
926 while not line.startswith(self.cmdapp.prompt):
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
927 expected.append(line)
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
928 line = self.transcript.next()
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
929 expected = ''.join(expected)
181
24eff658997b accepts wildcards in tests, maybe?
catherine@Elli.myhome.westell.com
parents: 180
diff changeset
930 self.assertEqualEnough(expected.strip(), result.strip(),
180
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
931 '\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
932 (self.transcriptFileName, lineNum, command, expected, result))
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
933 # this needs to account for a line-by-line strip()ping
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
934 except StopIteration:
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
935 pass
951c124b0404 test almost fixed
catherine@Elli.myhome.westell.com
parents: 179
diff changeset
936 # catch the final output?
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
937 def tearDown(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
938 if self.CmdApp:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
939 self.outputTrap.tearDown()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
940
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
941 if __name__ == '__main__':
158
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
942 doctest.testmod(optionflags = doctest.NORMALIZE_WHITESPACE)
87d3f3203b96 accept blanks
catherine@Elli.myhome.westell.com
parents: 157
diff changeset
943 #c = Cmd()