Mercurial > python-cmd2

annotate cmd2.py @ 152:693d11072e8e

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hmm, complications with gt within statements
author catherine@Elli.myhome.westell.com
date Fri, 21 Nov 2008 08:48:38 -0500
parents 2377461a35f3
children 5c5c458a6b70
rev   line source
0
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1 """Variant on standard library's cmd with extra features.
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2
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3 To use, simply import cmd2.Cmd instead of cmd.Cmd; use precisely as though you
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4 were using the standard library's cmd, while enjoying the extra features.
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5
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6 Searchable command history (commands: "hi", "li", "run")
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7 Load commands from file, save to file, edit commands in file
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8 Multi-line commands
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9 Case-insensitive commands
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10 Special-character shortcut commands (beyond cmd's "@" and "!")
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11 Settable environment parameters
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12 Parsing commands with `optparse` options (flags)
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13 Redirection to file with >, >>; input from file with <
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14 Easy transcript-based testing of applications (see example/example.py)
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15
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16 Note that redirection with > and | will only work if `self.stdout.write()`
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17 is used in place of `print`. The standard library's `cmd` module is
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18 written to use `self.stdout.write()`,
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19
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20 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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21
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22 mercurial repository at http://www.assembla.com/wiki/show/python-cmd2
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23 CHANGES:
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24 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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25 flagReader.py options are still supported for backward compatibility
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26 """
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27 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest, unittest, string
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28 from optparse import make_option
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29 __version__ = '0.4.4'
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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
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46 def options(option_list):
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47 def option_setup(func):
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48 optionParser = OptionParser()
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49 for opt in option_list:
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50 optionParser.add_option(opt)
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51 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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52 def newFunc(instance, arg):
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53 try:
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54 opts, arg = optionParser.parse_args(arg.split())
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55 arg = ' '.join(arg)
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56 except (optparse.OptionValueError, optparse.BadOptionError,
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57 optparse.OptionError, optparse.AmbiguousOptionError,
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58 optparse.OptionConflictError), e:
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59 print e
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60 optionParser.print_help()
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61 return
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62 if hasattr(opts, '_exit'):
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63 return None
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64 result = func(instance, arg, opts)
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65 return result
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66 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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67 return newFunc
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68 return option_setup
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69
27
a76798cde34c hooray, pasting working in windows
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70 class PasteBufferError(EnvironmentError):
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71 if sys.platform[:3] == 'win':
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72 errmsg = """Redirecting to or from paste buffer requires pywin32
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73 to be installed on operating system.
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74 Download from http://sourceforge.net/projects/pywin32/"""
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75 else:
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76 errmsg = """Redirecting to or from paste buffer requires xclip
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77 to be installed on operating system.
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78 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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79 def __init__(self):
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80 Exception.__init__(self, self.errmsg)
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81
29
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82 '''check here if functions exist; otherwise, stub out'''
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83 pastebufferr = """Redirecting to or from paste buffer requires %s
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84 to be installed on operating system.
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85 %s"""
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86 if subprocess.mswindows:
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87 try:
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88 import win32clipboard
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89 def getPasteBuffer():
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90 win32clipboard.OpenClipboard(0)
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91 try:
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92 result = win32clipboard.GetClipboardData()
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93 except TypeError:
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94 result = '' #non-text
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95 win32clipboard.CloseClipboard()
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96 return result
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97 def writeToPasteBuffer(txt):
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98 win32clipboard.OpenClipboard(0)
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99 win32clipboard.EmptyClipboard()
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100 win32clipboard.SetClipboardText(txt)
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101 win32clipboard.CloseClipboard()
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102 except ImportError:
106
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103 def getPasteBuffer(*args):
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104 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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105 setPasteBuffer = getPasteBuffer
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106 else:
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107 can_clip = False
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108 try:
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109 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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110 can_clip = True
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111 except AttributeError: # check_call not defined, Python < 2.5
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112 teststring = 'Testing for presence of xclip.'
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113 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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114 xclipproc.stdin.write(teststring)
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115 xclipproc.stdin.close()
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116 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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117 if xclipproc.stdout.read() == teststring:
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118 can_clip = True
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119 except (subprocess.CalledProcessError, OSError, IOError):
29
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120 pass
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121 if can_clip:
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122 def getPasteBuffer():
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123 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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124 return xclipproc.stdout.read()
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125 def writeToPasteBuffer(txt):
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126 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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127 xclipproc.stdin.write(txt)
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128 xclipproc.stdin.close()
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129 # but we want it in both the "primary" and "mouse" clipboards
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130 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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131 xclipproc.stdin.write(txt)
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132 xclipproc.stdin.close()
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133 else:
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134 def getPasteBuffer(*args):
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135 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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136 setPasteBuffer = getPasteBuffer
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137 writeToPasteBuffer = getPasteBuffer
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138
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139 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t')
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140 def parseSearchResults(pattern, s):
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141 generator = pattern.scanString(s)
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142 try:
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143 result, start, stop = generator.next()
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144 result['before'], result['after'] = s[:start], s[stop:]
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145 result['upToIncluding'] = s[:stop]
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146 except StopIteration:
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147 result = pyparsing.ParseResults('')
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148 result['before'] = s
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149 return result
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150
0
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151 class Cmd(cmd.Cmd):
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152 echo = False
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153 caseInsensitive = True
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154 continuationPrompt = '> '
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155 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' }
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156 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
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157 noSpecialParse = 'set ed edit exit'.split()
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158 defaultExtension = 'txt'
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159 defaultFileName = 'command.txt'
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160 editor = os.environ.get('EDITOR')
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b3200c6e5763 inserting exception for quit...
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161 _STOP_AND_EXIT = 2
0
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162 if not editor:
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diff changeset
163 if sys.platform[:3] == 'win':
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parents:
diff changeset
164 editor = 'notepad'
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parents:
diff changeset
165 else:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
166 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
167 if not os.system('which %s' % (editor)):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
168 break
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parents:
diff changeset
169
103
e4daf715fc31 echo on
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diff changeset
170 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo']
0
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parents:
diff changeset
171 def do_cmdenvironment(self, args):
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parents:
diff changeset
172 self.stdout.write("""
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parents:
diff changeset
173 Commands are %(casesensitive)scase-sensitive.
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parents:
diff changeset
174 Commands may be terminated with: %(terminators)s
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parents:
diff changeset
175 Settable parameters: %(settable)s
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parents:
diff changeset
176 """ %
2
1ea887b51cad python 2.4 compatibility
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parents: 0
diff changeset
177 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
83
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diff changeset
178 'terminators': self.terminatorPattern,
0
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parents:
diff changeset
179 'settable': ' '.join(self.settable)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
180 })
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parents:
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181
10
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
182 def do_help(self, arg):
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catherine@localhost
parents: 4
diff changeset
183 cmd.Cmd.do_help(self, arg)
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parents: 4
diff changeset
184 try:
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parents: 4
diff changeset
185 fn = getattr(self, 'do_' + arg)
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parents: 4
diff changeset
186 if fn and fn.optionParser:
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parents: 4
diff changeset
187 fn.optionParser.print_help(file=self.stdout)
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catherine@localhost
parents: 4
diff changeset
188 except AttributeError:
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parents: 4
diff changeset
189 pass
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parents: 4
diff changeset
190
0
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parents:
diff changeset
191 def __init__(self, *args, **kwargs):
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192 cmd.Cmd.__init__(self, *args, **kwargs)
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193 self.history = History()
152
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diff changeset
194 self._init_parser()
0
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parents:
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195
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parents:
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196 def do_shortcuts(self, args):
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parents:
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197 """Lists single-key shortcuts available."""
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parents:
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198 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
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199 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
diff changeset
200
137
308e99cebbb8 comments working?
catherine@dellzilla
parents: 136
diff changeset
201 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment])
136
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parents: 135
diff changeset
202 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd)
146
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parents: 145
diff changeset
203 terminators = [';', '\n\n']
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
204 argSeparatorPattern = pyparsing.Word(pyparsing.printables)('command') \
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
205 + pyparsing.SkipTo(pyparsing.StringEnd())('args')
88
bd0adc37f3cc added characters to legitimate filename contents
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parents: 84
diff changeset
206 filenamePattern = pyparsing.Word(pyparsing.alphanums + '#$-_~{},.!:\\/')
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
207 integerPattern = pyparsing.Word(pyparsing.nums).setParseAction( lambda s,l,t: [ int(t[0]) ] )
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
208 pipePattern = pyparsing.Literal('|')('pipe') + pyparsing.restOfLine('pipeTo')
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
209 redirectOutPattern = (pyparsing.Literal('>>') ^ '>')('output') \
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
210 + pyparsing.Optional(filenamePattern)('outputTo')
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
211 redirectInPattern = pyparsing.Literal('<')('input') \
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
212 + pyparsing.Optional(filenamePattern)('inputFrom')
81
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
213 punctuationPattern = pipePattern ^ redirectInPattern ^ redirectOutPattern
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
214
152
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diff changeset
215
693d11072e8e hmm, complications with gt within statements
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diff changeset
216 def _init_parser(self):
146
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parents: 145
diff changeset
217 '''
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diff changeset
218 >>> c = Cmd()
152
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diff changeset
219 >>> print c.parser.parseString('barecommand').dump()
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diff changeset
220 >>> print c.parser.parseString('command with args').dump()
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diff changeset
221 >>> print c.parser.parseString('command with args and terminator; and suffix').dump()
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parents: 151
diff changeset
222 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump()
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parents: 151
diff changeset
223 >>> print c.parser.parseString('simple | piped').dump()
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catherine@Elli.myhome.westell.com
parents: 151
diff changeset
224 >>> print c.parser.parseString('output into > afile.txt').dump()
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
225 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump()
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
226 >>> print c.parser.parseString('output to paste buffer >> ').dump()
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
227 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump()
693d11072e8e hmm, complications with gt within statements
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parents: 151
diff changeset
228 >>> print c.parser.parseString('do not parse > when formally terminated;').dump()
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
229 >>> print c.parser.parseString('do not parse > when formally terminated;').dump()
146
9ffb01d8876f streamlining parsing
catherine@dellzilla
parents: 145
diff changeset
230 '''
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catherine@dellzilla
parents: 145
diff changeset
231 outputParser = pyparsing.oneOf(['>>','>'])('output')
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diff changeset
232 terminatorParser = pyparsing.oneOf(self.terminators)('terminator')
152
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
233 stringEnd = pyparsing.stringEnd ^ '\nEOF'
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
234 command = pyparsing.Word(pyparsing.printables)('command')
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
235 if self.caseInsensitive:
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
236 command.setParseAction(lambda x: x[0].lower())
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
237 statementParser = \
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
238 (command +
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
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diff changeset
239 pyparsing.SkipTo(terminatorParser)('args') +
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
240 terminatorParser
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
241 )('statement') ^ \
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
242 (command +
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
243 pyparsing.SkipTo(terminatorParser ^ '|' ^ outputParser ^ stringEnd)('args') +
151
2377461a35f3 bug is in Combine() - removed it
catherine@Elli.myhome.westell.com
parents: 148
diff changeset
244 pyparsing.Optional(terminatorParser)
2377461a35f3 bug is in Combine() - removed it
catherine@Elli.myhome.westell.com
parents: 148
diff changeset
245 )('statement')
148
01ad9cd681a7 all but ignore seems to work
catherine@dellzilla
parents: 147
diff changeset
246 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '')
01ad9cd681a7 all but ignore seems to work
catherine@dellzilla
parents: 147
diff changeset
247 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment)
152
693d11072e8e hmm, complications with gt within statements
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diff changeset
248 self.parser = statementParser + \
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
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diff changeset
249 pyparsing.SkipTo(outputParser ^ '|' ^ stringEnd)('suffix') + \
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
250 pyparsing.Optional('|' + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeDest')) + \
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
251 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd)('outputDest'))
693d11072e8e hmm, complications with gt within statements
catherine@Elli.myhome.westell.com
parents: 151
diff changeset
252 self.parser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress)
146
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catherine@dellzilla
parents: 145
diff changeset
253
145
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catherine@dellzilla
parents: 144
diff changeset
254 def parsed(self, s, assumeComplete=False):
146
9ffb01d8876f streamlining parsing
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parents: 145
diff changeset
255 pass
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
256 '''
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
257 >>> c = Cmd()
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
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diff changeset
258 >>> r = c.parsed('quotes "are > ignored" < inp.txt')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
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diff changeset
259 >>> r.statement, r.input, r.inputFrom, r.output, r.outputFrom
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diff changeset
260 ('quotes "are > ignored" ', '<', 'inp.txt', '', '')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
261 >>> r = c.parsed('very complex; < from.txt >> to.txt etc.')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
262 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
bbf0afc6868b new parseResults working
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parents: 81
diff changeset
263 ('very complex;', ';', '<', 'from.txt', '>>', 'to.txt')
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parents: 81
diff changeset
264 >>> c.parsed('nothing to parse').statement
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diff changeset
265 'nothing to parse'
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parents: 81
diff changeset
266 >>> r = c.parsed('ignore > within a terminated statement; > out.txt')
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diff changeset
267 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
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parents: 81
diff changeset
268 ('ignore > within a terminated statement;', ';', '', '', '>', 'out.txt')
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
269 >>> r = c.parsed('send it to | sort | wc')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
270 >>> r.statement, r.pipe, r.pipeTo
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parents: 81
diff changeset
271 ('send it to ', '|', ' sort | wc')
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
272 >>> r = c.parsed('got from < thisfile.txt plus blah blah')
82
bbf0afc6868b new parseResults working
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parents: 81
diff changeset
273 >>> r.statement, r.input, r.inputFrom
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parents: 81
diff changeset
274 ('got from ', '<', 'thisfile.txt')
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
275 '''
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
276 if isinstance(s, pyparsing.ParseResults):
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
277 return s
135
7c0a89fccf2b broken; midway through comments
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parents: 134
diff changeset
278 result = (pyparsing.SkipTo(pyparsing.StringEnd()))("fullStatement").parseString(s)
140
e49ded85ba4c keeping comments in history now
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parents: 138
diff changeset
279 s = self.commentGrammars.transformString(s)
106
2d3232693807 prompt-setting quirks
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parents: 105
diff changeset
280 command = s.split()[0]
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parents: 105
diff changeset
281 if self.caseInsensitive:
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diff changeset
282 command = command.lower()
136
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parents: 135
diff changeset
283 result['command'] = command
134
c28ae4f75c15 incorporated changes from branch at work
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parents: 133
diff changeset
284 if command in self.noSpecialParse:
140
e49ded85ba4c keeping comments in history now
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parents: 138
diff changeset
285 result['statement'] = s
134
c28ae4f75c15 incorporated changes from branch at work
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parents: 133
diff changeset
286 return result
135
7c0a89fccf2b broken; midway through comments
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parents: 134
diff changeset
287
134
c28ae4f75c15 incorporated changes from branch at work
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parents: 133
diff changeset
288 if s[0] in self.shortcuts:
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parents: 133
diff changeset
289 s = self.shortcuts[s[0]] + ' ' + s[1:]
83
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diff changeset
290 result['statement'] = s
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diff changeset
291 result['parseable'] = s
135
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parents: 134
diff changeset
292 result += parseSearchResults(self.terminatorPattern, s)
81
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
293 if result.terminator:
82
bbf0afc6868b new parseResults working
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parents: 81
diff changeset
294 result['statement'] = result.upToIncluding
83
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parents: 82
diff changeset
295 result['unterminated'] = result.before
82
bbf0afc6868b new parseResults working
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parents: 81
diff changeset
296 result['parseable'] = result.after
81
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
297 else:
142
c05afe3b5501 commenting finally ironed out
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parents: 141
diff changeset
298 # does not catch output marks
145
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parents: 144
diff changeset
299 if (not assumeComplete) and (command in self.multilineCommands):
136
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parents: 135
diff changeset
300 return result # don't bother with the rest, we're still collecting input
82
bbf0afc6868b new parseResults working
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parents: 81
diff changeset
301 result += parseSearchResults(self.punctuationPattern, s)
146
9ffb01d8876f streamlining parsing
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parents: 145
diff changeset
302 result['statement'] = result['unterminated'] = result.before
81
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
303 result += parseSearchResults(self.pipePattern, result.parseable)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
304 result += parseSearchResults(self.redirectInPattern, result.parseable)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
305 result += parseSearchResults(self.redirectOutPattern, result.parseable)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
306 result += parseSearchResults(self.argSeparatorPattern, result.statement)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
307 if self.caseInsensitive:
106
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parents: 105
diff changeset
308 result['command'] = result.command.lower()
81
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
309 result['statement'] = '%s %s' % (result.command, result.args)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
310 return result
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
311
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
312 def extractCommand(self, statement):
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
313 try:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
314 (command, args) = statement.split(None,1)
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
315 except ValueError:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
316 (command, args) = statement, ''
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
317 if self.caseInsensitive:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
318 command = command.lower()
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
319 return command, args
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
320
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
321 def onecmd(self, line, assumeComplete=False):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
322 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 to the prompt.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
324
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
325 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
326 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
327 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
328 commands by the interpreter should stop.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
329
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
330 """
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
331 line = line.strip()
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
332 if not line:
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
333 return
135
7c0a89fccf2b broken; midway through comments
catherine@Elli.myhome.westell.com
parents: 134
diff changeset
334 if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line):
7c0a89fccf2b broken; midway through comments
catherine@Elli.myhome.westell.com
parents: 134
diff changeset
335 return
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
336 statement = self.parsed(line)
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
337 while (statement.command in self.multilineCommands) and not \
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
338 (statement.terminator or assumeComplete):
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
339 statement = self.parsed('%s\n%s' % (statement.fullStatement,
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
340 self.pseudo_raw_input(self.continuationPrompt)))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
341
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
343 stop = 0
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
344 if statement.input:
143
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
345 try:
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
346 if statement.inputFrom:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
347 newinput = open(statement.inputFrom, 'r').read()
143
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
348 else:
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
349 newinput = getPasteBuffer()
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
350 except (OSError,), e:
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
351 print e
f0fa9965a985 catch xclip-absent input errors
catherine@dellzilla
parents: 142
diff changeset
352 return 0
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
353 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:]
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
354 return self.onecmd('%s%s%s' % (statement.fullStatement[:start],
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
355 newinput, statement.fullStatement[end:]))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
356 if statement.pipe and statement.pipeTo:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
357 redirect = subprocess.Popen(statement.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
358 statekeeper = Statekeeper(self, ('stdout',))
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
359 self.stdout = redirect.stdin
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
360 elif statement.output:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
361 statekeeper = Statekeeper(self, ('stdout',))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
362 if statement.outputTo:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
363 mode = 'w'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
364 if statement.output == '>>':
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
365 mode = 'a'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
366 try:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
367 self.stdout = open(statement.outputTo, mode)
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
368 except OSError, e:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
369 print e
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
370 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
371 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
372 statekeeper = Statekeeper(self, ('stdout',))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
373 self.stdout = tempfile.TemporaryFile()
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
374 if statement.output == '>>':
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
375 self.stdout.write(getPasteBuffer())
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
376 try:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
377 stop = cmd.Cmd.onecmd(self, statement.statement)
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
378 except Exception, e:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
379 print e
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 try:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
381 if statement.command not in self.excludeFromHistory:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
382 self.history.append(statement.fullStatement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
384 if statekeeper:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
385 if statement.output and not statement.outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
386 self.stdout.seek(0)
134
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
387 try:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
388 writeToPasteBuffer(self.stdout.read())
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
389 except Exception, e:
c28ae4f75c15 incorporated changes from branch at work
catherine@Elli.myhome.westell.com
parents: 133
diff changeset
390 print str(e)
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
391 elif statement.pipe:
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
392 for result in redirect.communicate():
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
393 statekeeper.stdout.write(result or '')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
394 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
396
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
397 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
398
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
399 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400 """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
401
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
408 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
414 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
417
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 # 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
425 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
426
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
430 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
431 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
432 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 line = self.pseudo_raw_input(self.prompt)
103
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
447 if (self.echo) and (isinstance(self.stdin, file)):
e4daf715fc31 echo on
catherine@dellzilla
parents: 100
diff changeset
448 self.stdout.write(line + '\n')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
460 return stop
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
461
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 def showParam(self, param):
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
467 param = param.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
473 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 paramName, val = arg.split(None, 1)
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
489 paramName = paramName.strip().lower()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 if paramName not in self.settable:
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
491 raise NotSettableError
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 currentVal = getattr(self, paramName)
106
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
493 if (val[0] == val[-1]) and val[0] in ("'", '"'):
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
494 val = val[1:-1]
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
495 else:
2d3232693807 prompt-setting quirks
catherine@dellzilla
parents: 105
diff changeset
496 val = cast(currentVal, self.parsed(val).unterminated)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 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
499 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 self.do_show(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
511 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 arg is /enclosed in forward-slashes/ -> regular expression search
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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
515 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
516 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
518 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
525 return self.history[-1]
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
526 except IndexError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
529 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
538 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
549
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
550 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
551 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
552 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
553 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
554 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
555 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
556 filename = self.defaultFileName
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
557 if arg:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
558 try:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
559 buffer = self.last_matching(int(arg))
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
560 except ValueError:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 filename = arg
133
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
562 buffer = ''
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
563 else:
31674148b13c just beginning to make comments work
catherine@Elli.myhome.westell.com
parents: 126
diff changeset
564 buffer = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
567 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
568 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
569 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
572 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
575 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
576 pyparsing.Optional(pyparsing.Word(pyparsing.printables))("fname") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
577 pyparsing.stringEnd)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
578 def do_save(self, arg):
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
579 """`save [N] [filename.ext]`
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
580 Saves command from history to file.
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
581 N => Number of command (from history), or `*`;
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
582 most recent command if omitted"""
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
583
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
584 try:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
585 args = self.saveparser.parseString(arg)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
586 except pyparsing.ParseException:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
587 print self.do_save.__doc__
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
588 return
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
589 fname = args.fname or self.defaultFileName
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
590 if args.idx == '*':
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
591 saveme = '\n\n'.join(self.history[:])
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
592 elif args.idx:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
593 saveme = self.history[int(args.idx)-1]
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
594 else:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
595 saveme = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597 f = open(fname, 'w')
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
598 f.write(saveme)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 f.close()
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
600 print 'Saved to %s' % (fname)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
609 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
610 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
611 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
613 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
614 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
615 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
616 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
617 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
618 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
619 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
620 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
621 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
623 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
625 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
626 self.lastcmd = ''
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
627 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
628 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
629
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
630 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
636 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
637 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
638 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
639 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
640 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
641 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
642 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
643 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
644 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
645 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
646
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
647 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
648 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
649 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
650 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
651 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
652 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
653 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
654 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
655 return data
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 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
658 def __init__(self, instr):
121
fe432d010ecc going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents: 119
diff changeset
659 str.__init__(self)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
660 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
661 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
662 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
663 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
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 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
666 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
667 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
668 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
669 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
670 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
671 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
672 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
673 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
674 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
675 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
676 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
677 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
678 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
679 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
680 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
681 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
682 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
683 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
684 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
685 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
686 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
687 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
688 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
689 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
690 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
691 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
692 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
693 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
694 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
695 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
696
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
697 class NotSettableError(Exception):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
698 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
699
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
700 def cast(current, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
701 """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
702 typ = type(current)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
703 if typ == bool:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
704 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
705 return bool(int(new))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
706 except ValueError, TypeError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
707 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
708 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
709 new = new.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
710 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
711 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
712 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
713 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
714 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
715 return False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
716 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
717 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
718 return typ(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
719 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
720 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
721 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
722 return current
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 class Statekeeper(object):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
725 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
726 self.obj = obj
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
727 self.attribs = attribs
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
728 self.save()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
729 def save(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
730 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
731 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
732 def restore(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
733 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
734 setattr(self.obj, attrib, getattr(self, attrib))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
735
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
736 class Borg(object):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
737 '''All instances of any Borg subclass will share state.
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
738 from Python Cookbook, 2nd Ed., recipe 6.16'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
739 _shared_state = {}
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
740 def __new__(cls, *a, **k):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
741 obj = object.__new__(cls, *a, **k)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
742 obj.__dict__ = cls._shared_state
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
743 return obj
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
744
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
745 class OutputTrap(Borg):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
746 '''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
747 Call `tearDown()` to return to normal output.'''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
748 def __init__(self):
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
749 self.old_stdout = sys.stdout
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
750 self.trap = tempfile.TemporaryFile()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
751 sys.stdout = self.trap
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
752 def read(self):
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
753 self.trap.seek(0)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
754 result = self.trap.read()
105
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
755 self.trap.truncate(0)
130340609e19 testing beginning to work?
catherine@dellzilla
parents: 104
diff changeset
756 return result.strip('\x00')
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
757 def tearDown(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
758 sys.stdout = self.old_stdout
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
759
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
760 class TranscriptReader(object):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
761 def __init__(self, cmdapp, filename='test_cmd2.txt'):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
762 self.cmdapp = cmdapp
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
763 try:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
764 tfile = open(filename)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
765 self.transcript = tfile.read()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
766 tfile.close()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
767 except IOError:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
768 self.transcript = ''
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
769 self.bookmark = 0
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
770 def refreshCommandFinder(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
771 prompt = pyparsing.Suppress(pyparsing.lineStart + self.cmdapp.prompt)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
772 continuationPrompt = pyparsing.Suppress(pyparsing.lineStart + self.cmdapp.continuationPrompt)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
773 self.cmdtxtPattern = (prompt + pyparsing.restOfLine + pyparsing.ZeroOrMore(
119
fe47c5b269cc altering README to match exampleSession.txt
catherine@dellzilla
parents: 117
diff changeset
774 pyparsing.lineEnd + continuationPrompt + pyparsing.restOfLine))("command")
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
775 def inputGenerator(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
776 while True:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
777 self.refreshCommandFinder()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
778 (thiscmd, startpos, endpos) = self.cmdtxtPattern.scanString(self.transcript[self.bookmark:], maxMatches=1).next()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
779 lineNum = self.transcript.count('\n', 0, self.bookmark+startpos) + 2
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
780 self.bookmark += endpos
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
781 yield (''.join(thiscmd.command), lineNum)
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
782 def nextExpected(self):
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
783 self.refreshCommandFinder()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
784 try:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
785 (thiscmd, startpos, endpos) = self.cmdtxtPattern.scanString(self.transcript[self.bookmark:], maxMatches=1).next()
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
786 result = self.transcript[self.bookmark:self.bookmark+startpos]
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
787 self.bookmark += startpos
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
788 return result
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
789 except StopIteration:
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
790 return self.transcript[self.bookmark:]
122
e62aa2f58b7b now works Python 2.4 to Python 2.6
catherine@dellzilla
parents: 121
diff changeset
791
104
bd91925d813c having a hard time capturing stdout
catherine@dellzilla
parents: 103
diff changeset
792 class Cmd2TestCase(unittest.TestCase):
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793 '''Subclass this, setting CmdApp and transcriptFileName, to make a unittest.TestCase class
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794 that will execute the commands in transcriptFileName and expect the results shown.
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795 See example.py'''
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796 # problem: this (raw) case gets called by unittest.main - we don't want it to be. hmm
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797 CmdApp = None
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798 transcriptFileName = ''
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799 def setUp(self):
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800 if self.CmdApp:
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801 self.outputTrap = OutputTrap()
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802 self.cmdapp = self.CmdApp()
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803 self.transcriptReader = TranscriptReader(self.cmdapp, self.transcriptFileName)
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804 def testall(self):
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805 if self.CmdApp:
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806 for (cmdInput, lineNum) in self.transcriptReader.inputGenerator():
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807 self.cmdapp.onecmd(cmdInput, assumeComplete=True)
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808 result = self.outputTrap.read()
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809 expected = self.transcriptReader.nextExpected()
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810 self.assertEqual(self.stripByLine(result), self.stripByLine(expected),
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811 '\nFile %s, line %d\nCommand was:\n%s\nExpected:\n%s\nGot:\n%s\n' %
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812 (self.transcriptFileName, lineNum, cmdInput, expected, result))
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813 def stripByLine(self, s):
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814 bareprompt = self.cmdapp.continuationPrompt.strip()
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815 lines = []
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816 for line in s.splitlines():
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817 line = line.rstrip()
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818 if line.startswith(bareprompt):
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819 line = line.replace(bareprompt, '', 1)
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820 lines.append(line)
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821 return '\n'.join(lines).strip()
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822 def tearDown(self):
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823 if self.CmdApp:
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824 self.outputTrap.tearDown()
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825
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826 if __name__ == '__main__':
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827 doctest.testmod()