Mercurial > python-cmd2

annotate cmd2.py @ 99:00898931969b

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Added tag 0.3.7 for changeset a468c3215738
author catherine@dellzilla
date Mon, 29 Sep 2008 12:35:59 -0400
parents 199a08e3ae72
children
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
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15 Note that redirection with > and | will only work if `self.stdout.write()`
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16 is used in place of `print`. The standard library's `cmd` module is
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17 written to use `self.stdout.write()`,
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18
14
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19 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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20
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21 CHANGES:
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22 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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23 flagReader.py options are still supported for backward compatibility
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24 """
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25 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest
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26 from optparse import make_option
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27 __version__ = '0.3.7'
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28
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29 class OptionParser(optparse.OptionParser):
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30 def exit(self, status=0, msg=None):
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31 self.values._exit = True
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32 if msg:
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33 print msg
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34
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35 def error(self, msg):
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36 """error(msg : string)
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37
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38 Print a usage message incorporating 'msg' to stderr and exit.
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39 If you override this in a subclass, it should not return -- it
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40 should either exit or raise an exception.
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41 """
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42 raise
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43
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44 def options(option_list):
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45 def option_setup(func):
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46 optionParser = OptionParser()
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47 for opt in option_list:
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48 optionParser.add_option(opt)
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49 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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50 def newFunc(instance, arg):
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51 try:
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52 opts, arg = optionParser.parse_args(arg.split())
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53 arg = ' '.join(arg)
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54 except (optparse.OptionValueError, optparse.BadOptionError,
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55 optparse.OptionError, optparse.AmbiguousOptionError,
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56 optparse.OptionConflictError), e:
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57 print e
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58 optionParser.print_help()
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59 return
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60 if hasattr(opts, '_exit'):
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61 return None
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62 result = func(instance, arg, opts)
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63 return result
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64 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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65 return newFunc
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66 return option_setup
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67
27
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68 class PasteBufferError(EnvironmentError):
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69 if sys.platform[:3] == 'win':
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70 errmsg = """Redirecting to or from paste buffer requires pywin32
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71 to be installed on operating system.
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72 Download from http://sourceforge.net/projects/pywin32/"""
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73 else:
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74 errmsg = """Redirecting to or from paste buffer requires xclip
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75 to be installed on operating system.
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76 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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77 def __init__(self):
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78 Exception.__init__(self, self.errmsg)
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79
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80 '''check here if functions exist; otherwise, stub out'''
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81 pastebufferr = """Redirecting to or from paste buffer requires %s
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82 to be installed on operating system.
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83 %s"""
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84 if subprocess.mswindows:
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85 try:
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86 import win32clipboard
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87 def getPasteBuffer():
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88 win32clipboard.OpenClipboard(0)
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89 try:
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90 result = win32clipboard.GetClipboardData()
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91 except TypeError:
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92 result = '' #non-text
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93 win32clipboard.CloseClipboard()
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94 return result
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95 def writeToPasteBuffer(txt):
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96 win32clipboard.OpenClipboard(0)
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97 win32clipboard.EmptyClipboard()
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98 win32clipboard.SetClipboardText(txt)
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99 win32clipboard.CloseClipboard()
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100 except ImportError:
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101 def getPasteBuffer():
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102 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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103 setPasteBuffer = getPasteBuffer
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104 else:
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105 can_clip = False
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106 try:
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107 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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108 can_clip = True
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109 except AttributeError: # check_call not defined, Python < 2.5
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110 teststring = 'Testing for presence of xclip.'
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111 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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112 xclipproc.stdin.write(teststring)
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113 xclipproc.stdin.close()
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114 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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115 if xclipproc.stdout.read() == teststring:
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116 can_clip = True
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117 except (subprocess.CalledProcessError, OSError, IOError):
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118 pass
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119 if can_clip:
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120 def getPasteBuffer():
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121 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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122 return xclipproc.stdout.read()
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123 def writeToPasteBuffer(txt):
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124 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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125 xclipproc.stdin.write(txt)
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126 xclipproc.stdin.close()
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127 # but we want it in both the "primary" and "mouse" clipboards
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128 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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129 xclipproc.stdin.write(txt)
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130 xclipproc.stdin.close()
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131 else:
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132 def getPasteBuffer():
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133 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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134 setPasteBuffer = getPasteBuffer
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135
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136 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t')
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137 def parseSearchResults(pattern, s):
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138 generator = pattern.scanString(s)
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139 try:
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140 result, start, stop = generator.next()
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141 result['before'], result['after'] = s[:start], s[stop:]
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142 result['upToIncluding'] = s[:stop]
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143 except StopIteration:
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144 result = pyparsing.ParseResults('')
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145 result['before'] = s
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146 return result
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147
0
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148 class Cmd(cmd.Cmd):
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149 caseInsensitive = True
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150 multilineCommands = []
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151 continuationPrompt = '> '
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152 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
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153 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
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154 defaultExtension = 'txt'
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155 defaultFileName = 'command.txt'
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156 editor = os.environ.get('EDITOR')
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157 _STOP_AND_EXIT = 2
0
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158 if not editor:
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159 if sys.platform[:3] == 'win':
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160 editor = 'notepad'
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161 else:
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162 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
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163 if not os.system('which %s' % (editor)):
0
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parents:
diff changeset
164 break
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parents:
diff changeset
165
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parents:
diff changeset
166 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
23
37bff80ef816 refactoring, no failure mode yet
catherine@localhost
parents: 22
diff changeset
167 _TO_PASTE_BUFFER = 1
0
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parents:
diff changeset
168 def do_cmdenvironment(self, args):
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parents:
diff changeset
169 self.stdout.write("""
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parents:
diff changeset
170 Commands are %(casesensitive)scase-sensitive.
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parents:
diff changeset
171 Commands may be terminated with: %(terminators)s
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parents:
diff changeset
172 Settable parameters: %(settable)s
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
173 """ %
2
1ea887b51cad python 2.4 compatibility
catherine@DellZilla.myhome.westell.com
parents: 0
diff changeset
174 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
83
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parents: 82
diff changeset
175 'terminators': self.terminatorPattern,
0
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parents:
diff changeset
176 'settable': ' '.join(self.settable)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
177 })
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parents:
diff changeset
178
10
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parents: 4
diff changeset
179 def do_help(self, arg):
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parents: 4
diff changeset
180 cmd.Cmd.do_help(self, arg)
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parents: 4
diff changeset
181 try:
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parents: 4
diff changeset
182 fn = getattr(self, 'do_' + arg)
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catherine@localhost
parents: 4
diff changeset
183 if fn and fn.optionParser:
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parents: 4
diff changeset
184 fn.optionParser.print_help(file=self.stdout)
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
185 except AttributeError:
47af95ad83c7 working the refactor still
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parents: 4
diff changeset
186 pass
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parents: 4
diff changeset
187
0
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parents:
diff changeset
188 def __init__(self, *args, **kwargs):
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parents:
diff changeset
189 cmd.Cmd.__init__(self, *args, **kwargs)
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parents:
diff changeset
190 self.history = History()
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parents:
diff changeset
191
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
192 def do_shortcuts(self, args):
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parents:
diff changeset
193 """Lists single-key shortcuts available."""
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parents:
diff changeset
194 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
diff changeset
195 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
diff changeset
196
94
414a78c16ce9 fixed paren bug in terminatorPattern resultsName
catherine@dellzilla
parents: 91
diff changeset
197 terminatorPattern = ((pyparsing.Literal(';') ^ pyparsing.Literal('\n\n'))
414a78c16ce9 fixed paren bug in terminatorPattern resultsName
catherine@dellzilla
parents: 91
diff changeset
198 ^ (pyparsing.Literal('\nEOF') + pyparsing.lineEnd))('terminator')
79
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parents: 56
diff changeset
199 argSeparatorPattern = pyparsing.Word(pyparsing.printables)('command') \
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parents: 56
diff changeset
200 + pyparsing.SkipTo(pyparsing.StringEnd())('args')
88
bd0adc37f3cc added characters to legitimate filename contents
catherine.devlin@gmail.com
parents: 84
diff changeset
201 filenamePattern = pyparsing.Word(pyparsing.alphanums + '#$-_~{},.!:\\/')
79
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parents: 56
diff changeset
202 integerPattern = pyparsing.Word(pyparsing.nums).setParseAction( lambda s,l,t: [ int(t[0]) ] )
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catherine@Elli.myhome.westell.com
parents: 56
diff changeset
203 pipePattern = pyparsing.Literal('|')('pipe') + pyparsing.restOfLine('pipeTo')
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parents: 56
diff changeset
204 redirectOutPattern = (pyparsing.Literal('>>') ^ '>')('output') \
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catherine@Elli.myhome.westell.com
parents: 56
diff changeset
205 + pyparsing.Optional(filenamePattern)('outputTo')
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catherine@Elli.myhome.westell.com
parents: 56
diff changeset
206 redirectInPattern = pyparsing.Literal('<')('input') \
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
207 + pyparsing.Optional(filenamePattern)('inputFrom')
81
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
208 punctuationPattern = pipePattern ^ redirectInPattern ^ redirectOutPattern
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
209 for p in (terminatorPattern, pipePattern, redirectInPattern, redirectOutPattern, punctuationPattern):
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
210 p.ignore(pyparsing.sglQuotedString)
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
211 p.ignore(pyparsing.dblQuotedString)
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parents: 56
diff changeset
212
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
213 def parsed(self, s):
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
214 '''
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
215 >>> c = Cmd()
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
216 >>> r = c.parsed('quotes "are > ignored" < inp.txt')
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
217 >>> r.statement, r.input, r.inputFrom, r.output, r.outputFrom
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
218 ('quotes "are > ignored" ', '<', 'inp.txt', '', '')
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
219 >>> r = c.parsed('very complex; < from.txt >> to.txt etc.')
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
220 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
221 ('very complex;', ';', '<', 'from.txt', '>>', 'to.txt')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
222 >>> c.parsed('nothing to parse').statement
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
223 'nothing to parse'
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
224 >>> r = c.parsed('ignore > within a terminated statement; > out.txt')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
225 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
226 ('ignore > within a terminated statement;', ';', '', '', '>', 'out.txt')
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
227 >>> r = c.parsed('send it to | sort | wc')
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catherine@Elli.myhome.westell.com
parents: 81
diff changeset
228 >>> r.statement, r.pipe, r.pipeTo
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
229 ('send it to ', '|', ' sort | wc')
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
230 >>> r = c.parsed('got from < thisfile.txt plus blah blah')
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
231 >>> r.statement, r.input, r.inputFrom
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
232 ('got from ', '<', 'thisfile.txt')
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
233 '''
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
234 if isinstance(s, pyparsing.ParseResults):
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
235 return s
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
236 result = (pyparsing.SkipTo(pyparsing.StringEnd()))('fullStatement').parseString(s)
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
237 if s[0] in self.shortcuts:
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
238 s = self.shortcuts[s[0]] + ' ' + s[1:]
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
239 result['statement'] = s
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
240 result['parseable'] = s
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
241 result += parseSearchResults(self.terminatorPattern, s)
81
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
242 if result.terminator:
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
243 result['statement'] = result.upToIncluding
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
244 result['unterminated'] = result.before
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
245 result['parseable'] = result.after
81
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
246 else:
82
bbf0afc6868b new parseResults working
catherine@Elli.myhome.westell.com
parents: 81
diff changeset
247 result += parseSearchResults(self.punctuationPattern, s)
83
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
248 result['statement'] = result['unterminated'] = result.before
81
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
249 result += parseSearchResults(self.pipePattern, result.parseable)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
250 result += parseSearchResults(self.redirectInPattern, result.parseable)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
251 result += parseSearchResults(self.redirectOutPattern, result.parseable)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
252 result += parseSearchResults(self.argSeparatorPattern, result.statement)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
253 if self.caseInsensitive:
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
254 result['command'] = result.command.lower()
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
255 result['statement'] = '%s %s' % (result.command, result.args)
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
256 return result
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
257
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
258 def extractCommand(self, statement):
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
259 try:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
260 (command, args) = statement.split(None,1)
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
261 except ValueError:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
262 (command, args) = statement, ''
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
263 if self.caseInsensitive:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
264 command = command.lower()
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
265 return command, args
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
266
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
267 def onecmd(self, line, assumeComplete=False):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
268 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
269 to the prompt.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
270
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
271 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
272 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
273 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
274 commands by the interpreter should stop.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
275
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
276 """
83
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catherine@Elli.myhome.westell.com
parents: 82
diff changeset
277 line = line.strip()
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catherine@Elli.myhome.westell.com
parents: 82
diff changeset
278 if not line:
2176ce847939 merged copy to both clipboards in
catherine@Elli.myhome.westell.com
parents: 82
diff changeset
279 return
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
280 statement = self.parsed(line)
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
281 while (statement.command in self.multilineCommands) and not \
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
282 (statement.terminator or assumeComplete):
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
283 statement = self.parsed('%s\n%s' % (statement.fullStatement,
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
284 self.pseudo_raw_input(self.continuationPrompt)))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
285
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
286 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
287 stop = 0
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
288 if statement.input:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
289 if statement.inputFrom:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
290 try:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
291 newinput = open(statement.inputFrom, 'r').read()
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
292 except OSError, e:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
293 print e
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
294 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
295 else:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
296 newinput = getPasteBuffer()
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
297 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:]
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
298 return self.onecmd('%s%s%s' % (statement.fullStatement[:start],
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
299 newinput, statement.fullStatement[end:]))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
300 if statement.pipe and statement.pipeTo:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
301 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
302 statekeeper = Statekeeper(self, ('stdout',))
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
303 self.stdout = redirect.stdin
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
304 elif statement.output:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
305 statekeeper = Statekeeper(self, ('stdout',))
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
306 if statement.outputTo:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
307 mode = 'w'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
308 if statement.output == '>>':
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
309 mode = 'a'
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
310 try:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
311 self.stdout = open(statement.outputTo, mode)
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
312 except OSError, e:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
313 print e
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
314 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
315 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
316 statekeeper = Statekeeper(self, ('stdout',))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
317 self.stdout = tempfile.TemporaryFile()
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
318 if statement.output == '>>':
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
319 self.stdout.write(getPasteBuffer())
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
320 stop = cmd.Cmd.onecmd(self, statement.statement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
321 try:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
322 if statement.command not in self.excludeFromHistory:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
323 self.history.append(statement.fullStatement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
324 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
325 if statekeeper:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
326 if statement.output and not statement.outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
327 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
328 writeToPasteBuffer(self.stdout.read())
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
329 elif statement.pipe:
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
330 for result in redirect.communicate():
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
331 statekeeper.stdout.write(result or '')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
332 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
333 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
334
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
335 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
336
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
337 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
338 """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
339
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
340 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
341 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
352 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
356 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
357 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
359 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
360 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
361
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
362 # 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
363 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
364
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
365 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
369 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
370 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
375 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
384 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
385 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
386 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
387 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
394 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
396 return stop
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
397
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
398 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
399 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400 do_eof = do_EOF
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 def clean(self, s):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 if self.caseInsensitive:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 return s.strip().lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 return s.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
408 def showParam(self, param):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
414 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
415 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
417 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
425 self.showParam(param)
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 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 'Sets a parameter'
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 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
431 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
432 if paramName not in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 raise NotSettableError
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 currentVal = getattr(self, paramName)
84
416ea36af789 fixed bug in setting parameters
catherine@Elli.myhome.westell.com
parents: 83
diff changeset
435 val = cast(currentVal, self.parsed(val).unterminated)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 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
438 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 self.do_show(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
461 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
473 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
493 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
494 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496 buffer = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 filename = arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 buffer = self.last_matching(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 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
511 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
512 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
515 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
516 pyparsing.Optional(pyparsing.Word(pyparsing.printables))("fname") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
517 pyparsing.stringEnd)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
518 def do_save(self, arg):
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
519 """`save [N] [filename.ext]`
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
520 Saves command from history to file.
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
521 N => Number of command (from history), or `*`;
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
522 most recent command if omitted"""
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
523
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
524 try:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
525 args = self.saveparser.parseString(arg)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
526 except pyparsing.ParseException:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
527 print self.do_save.__doc__
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
528 return
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
529 fname = args.fname or self.defaultFileName
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
530 if args.idx == '*':
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
531 saveme = '\n\n'.join(self.history[:])
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
532 elif args.idx:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
533 saveme = self.history[int(args.idx)-1]
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
534 else:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
535 saveme = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 f = open(fname, 'w')
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
538 f.write(saveme)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539 f.close()
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
540 print 'Saved to %s' % (fname)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
549 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
550 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
551 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
552 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
553 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
554 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
555 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
556 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
557 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
558 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
559 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
560 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
562 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
563 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
564 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 self.lastcmd = ''
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
567 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
568 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
569
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
575 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
582 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
588 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
589 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
591 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
595 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
598 def __init__(self, instr):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 str.__init__(self, instr)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
609 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
610 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
611 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
613 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
614 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
615 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
616 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
617 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
618 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
619 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
620 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
621 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
623 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
625 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
626 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
627 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
628 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
629 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
630 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 return (getme.lower() in hi.lowercase)
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635 return [itm for itm in self if isin(itm)]
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636
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637 class NotSettableError(Exception):
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638 pass
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639
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640 def cast(current, new):
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641 """Tries to force a new value into the same type as the current."""
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642 typ = type(current)
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643 if typ == bool:
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644 try:
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645 return bool(int(new))
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646 except ValueError, TypeError:
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647 pass
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648 try:
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649 new = new.lower()
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650 except:
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651 pass
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652 if (new=='on') or (new[0] in ('y','t')):
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653 return True
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654 if (new=='off') or (new[0] in ('n','f')):
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655 return False
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656 else:
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657 try:
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658 return typ(new)
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659 except:
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660 pass
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661 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
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662 return current
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663
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664 class Statekeeper(object):
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665 def __init__(self, obj, attribs):
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666 self.obj = obj
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667 self.attribs = attribs
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668 self.save()
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669 def save(self):
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670 for attrib in self.attribs:
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671 setattr(self, attrib, getattr(self.obj, attrib))
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672 def restore(self):
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673 for attrib in self.attribs:
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674 setattr(self.obj, attrib, getattr(self, attrib))
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675
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diff changeset
676 if __name__ == '__main__':
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diff changeset
677 doctest.testmod()