Mercurial > python-cmd2

annotate cmd2.py @ 75:8b2603d1acc1

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working except for combinations
author catherine@Elli.myhome.westell.com
date Fri, 27 Jun 2008 15:36:03 -0400
parents 4e290d75e92e
children dcd5d13e5603
rev   line source
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1 """Variant on standard library's cmd with extra features.
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2
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3 To use, simply import cmd2.Cmd instead of cmd.Cmd; use precisely as though you
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4 were using the standard library's cmd, while enjoying the extra features.
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5
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6 Searchable command history (commands: "hi", "li", "run")
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7 Load commands from file, save to file, edit commands in file
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8 Multi-line commands
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9 Case-insensitive commands
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10 Special-character shortcut commands (beyond cmd's "@" and "!")
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11 Settable environment parameters
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12 Parsing commands with `optparse` options (flags)
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13 Redirection to file with >, >>; input from file with <
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14
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15 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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16
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17 CHANGES:
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18 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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19 flagReader.py options are still supported for backward compatibility
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20 """
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21 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest
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22 from optparse import make_option
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23
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24 class OptionParser(optparse.OptionParser):
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25 def exit(self, status=0, msg=None):
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26 self.values._exit = True
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27 if msg:
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28 print msg
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29
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30 def error(self, msg):
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31 """error(msg : string)
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32
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33 Print a usage message incorporating 'msg' to stderr and exit.
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34 If you override this in a subclass, it should not return -- it
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35 should either exit or raise an exception.
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36 """
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37 raise
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38
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39 def options(option_list):
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40 def option_setup(func):
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41 optionParser = OptionParser()
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42 for opt in option_list:
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43 optionParser.add_option(opt)
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44 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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45 def newFunc(instance, arg):
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46 try:
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47 opts, arg = optionParser.parse_args(arg.split())
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48 arg = ' '.join(arg)
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49 except (optparse.OptionValueError, optparse.BadOptionError,
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50 optparse.OptionError, optparse.AmbiguousOptionError,
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51 optparse.OptionConflictError), e:
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52 print e
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53 optionParser.print_help()
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54 return
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55 if hasattr(opts, '_exit'):
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56 return None
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57 result = func(instance, arg, opts)
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58 return result
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59 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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60 return newFunc
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61 return option_setup
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62
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63 class PasteBufferError(EnvironmentError):
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64 if sys.platform[:3] == 'win':
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65 errmsg = """Redirecting to or from paste buffer requires pywin32
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66 to be installed on operating system.
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67 Download from http://sourceforge.net/projects/pywin32/"""
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68 else:
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69 errmsg = """Redirecting to or from paste buffer requires xclip
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70 to be installed on operating system.
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71 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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72 def __init__(self):
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73 Exception.__init__(self, self.errmsg)
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74
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75 '''check here if functions exist; otherwise, stub out'''
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76 pastebufferr = """Redirecting to or from paste buffer requires %s
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77 to be installed on operating system.
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78 %s"""
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79 if subprocess.mswindows:
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80 try:
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81 import win32clipboard
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82 def getPasteBuffer():
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83 win32clipboard.OpenClipboard(0)
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84 try:
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85 result = win32clipboard.GetClipboardData()
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86 except TypeError:
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87 result = '' #non-text
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88 win32clipboard.CloseClipboard()
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89 return result
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90 def writeToPasteBuffer(txt):
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91 win32clipboard.OpenClipboard(0)
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92 win32clipboard.EmptyClipboard()
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93 win32clipboard.SetClipboardText(txt)
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94 win32clipboard.CloseClipboard()
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95 except ImportError:
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96 def getPasteBuffer():
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97 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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98 setPasteBuffer = getPasteBuffer
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99 else:
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100 can_clip = False
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101 try:
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102 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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103 can_clip = True
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104 except AttributeError: # check_call not defined, Python < 2.5
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105 teststring = 'Testing for presence of xclip.'
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106 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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107 xclipproc.stdin.write(teststring)
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108 xclipproc.stdin.close()
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109 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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110 if xclipproc.stdout.read() == teststring:
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111 can_clip = True
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112 except (subprocess.CalledProcessError, OSError):
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113 pass
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114 if can_clip:
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115 def getPasteBuffer():
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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 return xclipproc.stdout.read()
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118 def writeToPasteBuffer(txt):
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119 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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120 xclipproc.stdin.write(txt)
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121 xclipproc.stdin.close()
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122 # but we want it in both the "primary" and "mouse" clipboards
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123 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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124 xclipproc.stdin.write(txt)
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125 xclipproc.stdin.close()
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126 else:
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127 def getPasteBuffer():
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128 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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129 setPasteBuffer = getPasteBuffer
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130
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131 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t') # see http://pyparsing.wikispaces.com/message/view/home/1352689
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132
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133 class UserCommand(str):
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134 def __new__(cls, s, app):
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135 return str.__new__(cls, s)
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136 def __init__(self, s, app):
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137 self.terminator = None
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138 self.terminator_suffix = None
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139 self.searchable = self.asEntered = s
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140 self.app = app
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141 self.output_destination_pattern = self.punctuationPattern(['>>', '>'])
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142 self.input_source_pattern = self.punctuationPattern(['<'])
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143 self.pipe_destination_pattern = self.punctuationPattern(['|'])
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144 def punctuationPattern(self, punctuators):
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145 processed = punctuators[:]
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146 if not hasattr(processed[0], 'parseString'):
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147 processed[0] = pyparsing.Literal(processed[0])
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148 processed = reduce(lambda x, y: x ^ y, processed)
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149 processed.ignore(pyparsing.sglQuotedString)
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150 processed.ignore(pyparsing.dblQuotedString)
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151 pattern = pyparsing.SkipTo(processed) + processed + pyparsing.restOfLine
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152 return pattern
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153 def find_punctuation(self):
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154 punctuators = ['|','>','>>','<']
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155 punctuators.extend(self.app.terminators)
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156 punctuated = self.punctuationPattern(punctuators).searchString(self.asEntered)
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157 if punctuated:
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158 self.executable, self.searchable = punctuated[0][0], self.asEntered[len(punctuated[0][0]):]
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159 else:
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160 self.executable, self.searchable = self.asEntered, ''
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161 def complete(self):
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162 terminator_finder = self.punctuationPattern(self.app.terminators)
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parents: 74
diff changeset
163 result = terminator_finder.searchString(self.asEntered)
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parents: 74
diff changeset
164 while not result:
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parents: 74
diff changeset
165 inp = self.app.pseudo_raw_input(self.app.continuationPrompt)
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parents: 74
diff changeset
166 self.asEntered = '%s\n%s' % (self.asEntered, inp)
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parents: 74
diff changeset
167 result = terminator_finder.searchString(self.asEntered)
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parents: 74
diff changeset
168 try:
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parents: 74
diff changeset
169 self.terminator = result[0][1][0]
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parents: 74
diff changeset
170 self.terminator_suffix = result[0][1][1]
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parents: 74
diff changeset
171 except IndexError:
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parents: 74
diff changeset
172 self.terminator = result[0][1]
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parents: 74
diff changeset
173 self.terminator_suffix = None
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parents: 74
diff changeset
174 def redirectedInput(self):
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parents: 74
diff changeset
175 inputFrom = self.input_source_pattern.searchString(self.searchable)
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parents: 74
diff changeset
176 if inputFrom:
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parents: 74
diff changeset
177 if inputFrom[0][-1].strip():
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diff changeset
178 input = self.app.fileimport(source=inputFrom[0][-1].strip())
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parents: 74
diff changeset
179 else:
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parents: 74
diff changeset
180 input = getPasteBuffer()
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parents: 74
diff changeset
181 if self.terminator:
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parents: 74
diff changeset
182 self.executable = '%s %s' % (self.executable, input)
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parents: 74
diff changeset
183 else:
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diff changeset
184 self.executable = '%s %s %s' % (self.executable, inputFrom[0][0], input)
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diff changeset
185 def pipeDestination(self):
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parents: 74
diff changeset
186 pipeTo = self.pipe_destination_pattern.searchString(self.searchable)
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diff changeset
187 return (pipeTo and pipeTo[0][-1]) or None
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diff changeset
188 def redirectedOutput(self):
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parents: 74
diff changeset
189 outputTo = self.output_destination_pattern.searchString(self.searchable)
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parents: 74
diff changeset
190 if outputTo:
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parents: 74
diff changeset
191 dest = outputTo[0][-1].strip()
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parents: 74
diff changeset
192 if outputTo[0][1] == '>>':
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diff changeset
193 mode = 'a'
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diff changeset
194 else:
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diff changeset
195 mode = 'w'
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diff changeset
196 return dest, mode
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diff changeset
197 return None, None
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diff changeset
198
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diff changeset
199
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diff changeset
200
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diff changeset
201 """
8b2603d1acc1 working except for combinations
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diff changeset
202 Produces a string parser based on a list of targets to search for.
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diff changeset
203 Output is a parser function.
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diff changeset
204 Parser's output is a tuple: (before the target, [elements of the target], after the target)
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diff changeset
205 >>> p = punctuationParser([';', 'EOF'])
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diff changeset
206 >>> p('is terminated;')
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diff changeset
207 ('is terminated', [';'], '')
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diff changeset
208 >>> p('is terminated EOF after the end')
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diff changeset
209 ('is terminated', ['EOF'], 'after the end')
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diff changeset
210 >>> p('is not terminated')
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diff changeset
211 >>> pattern1 = pyparsing.Literal(';') + pyparsing.Optional(pyparsing.Word(pyparsing.nums))
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diff changeset
212 >>> p2 = punctuationParser([pattern1, 'EOF'])
8b2603d1acc1 working except for combinations
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diff changeset
213 >>> p2('the quick brown fox;4')
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diff changeset
214 ('the quick brown fox', [';', '4'], '')
8b2603d1acc1 working except for combinations
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diff changeset
215 >>> p2('the quick brown foxEOF')
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parents: 74
diff changeset
216 ('the quick brown fox', ['EOF'], '')
8b2603d1acc1 working except for combinations
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diff changeset
217 >>> p2('nothing')
8b2603d1acc1 working except for combinations
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parents: 74
diff changeset
218 """
8b2603d1acc1 working except for combinations
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parents: 74
diff changeset
219
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
220 class Cmd(cmd.Cmd):
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parents:
diff changeset
221 caseInsensitive = True
68
e06961ebd035 worked out terminator keeping
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parents: 67
diff changeset
222 multilineCommands = [] # commands that need a terminator to be finished
75
8b2603d1acc1 working except for combinations
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diff changeset
223 terminators = [';', pyparsing.LineEnd() + pyparsing.LineEnd()]
68
e06961ebd035 worked out terminator keeping
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parents: 67
diff changeset
224 terminatorKeepingCommands = [] # commands that expect to process their own terminators (else it will be stripped during parse)
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
225 continuationPrompt = '> '
febfdc79550b moved repository to Assembla
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parents:
diff changeset
226 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
227 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
228 defaultExtension = 'txt'
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parents:
diff changeset
229 defaultFileName = 'command.txt'
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parents:
diff changeset
230 editor = os.environ.get('EDITOR')
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
231 _STOP_AND_EXIT = 2
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
232 if not editor:
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parents:
diff changeset
233 if sys.platform[:3] == 'win':
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parents:
diff changeset
234 editor = 'notepad'
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parents:
diff changeset
235 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
236 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
237 if not os.system('which %s' % (editor)):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
238 break
febfdc79550b moved repository to Assembla
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parents:
diff changeset
239
febfdc79550b moved repository to Assembla
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parents:
diff changeset
240 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
23
37bff80ef816 refactoring, no failure mode yet
catherine@localhost
parents: 22
diff changeset
241 _TO_PASTE_BUFFER = 1
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
242 def do_cmdenvironment(self, args):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
243 self.stdout.write("""
febfdc79550b moved repository to Assembla
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parents:
diff changeset
244 Commands are %(casesensitive)scase-sensitive.
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parents:
diff changeset
245 Commands may be terminated with: %(terminators)s
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parents:
diff changeset
246 Settable parameters: %(settable)s
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
247 """ %
69
824651b4d1b1 slash-endings working
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parents: 68
diff changeset
248 { 'casesensitive': (self.caseInsensitive or '') and 'not ',
824651b4d1b1 slash-endings working
catherine@Elli.myhome.westell.com
parents: 68
diff changeset
249 'terminators': str(self.terminators),
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
250 'settable': ' '.join(self.settable)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
251 })
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
252
10
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
253 def do_help(self, arg):
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
254 cmd.Cmd.do_help(self, arg)
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
255 try:
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
256 fn = getattr(self, 'do_' + arg)
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
257 if fn and fn.optionParser:
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
258 fn.optionParser.print_help(file=self.stdout)
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
259 except AttributeError:
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
260 pass
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
261
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
262 def __init__(self, *args, **kwargs):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
263 cmd.Cmd.__init__(self, *args, **kwargs)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
264 self.history = History()
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parents:
diff changeset
265
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
266 def do_shortcuts(self, args):
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parents:
diff changeset
267 """Lists single-key shortcuts available."""
febfdc79550b moved repository to Assembla
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parents:
diff changeset
268 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
febfdc79550b moved repository to Assembla
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parents:
diff changeset
269 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
270
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
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parents: 66
diff changeset
271 def strip_terminators(self, txt):
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parents: 66
diff changeset
272 termination = self.commmand_terminator_finder(txt)
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parents: 66
diff changeset
273 if termination:
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parents: 66
diff changeset
274 txt = termination[0]
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parents: 66
diff changeset
275 return txt
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
276
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
277 def extractCommand(self, statement):
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
278 try:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
279 (command, args) = statement.split(None,1)
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
280 except ValueError:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
281 (command, args) = statement, ''
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
282 if self.caseInsensitive:
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catherine@cordelia
parents: 2
diff changeset
283 command = command.lower()
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
284 return command, args
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
285
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
286 def onecmd(self, line, assumeComplete=False):
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
287 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
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parents:
diff changeset
288 to the prompt.
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parents:
diff changeset
289
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parents:
diff changeset
290 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
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parents:
diff changeset
291 see the precmd() and postcmd() methods for useful execution hooks.
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parents:
diff changeset
292 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
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parents:
diff changeset
293 commands by the interpreter should stop.
febfdc79550b moved repository to Assembla
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parents:
diff changeset
294
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
295 """
73
101283b63e1b hmm, getting hard to split search/do not search
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parents: 72
diff changeset
296 statekeeper = None
101283b63e1b hmm, getting hard to split search/do not search
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parents: 72
diff changeset
297 stop = 0
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
298 command, args = self.extractCommand(line)
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
299 originalStatement = ' '.join([command, args])
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
300 statement = UserCommand(originalStatement, self)
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
301 if (not assumeComplete) and (command in self.multilineCommands):
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
302 statement.complete()
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
303 statement.find_punctuation()
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
304 statement.redirectedInput()
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
305 pipeTo = statement.pipeDestination()
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
306 if pipeTo:
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
307 statekeeper = Statekeeper(self, ('stdout',))
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
308 dest = subprocess.Popen(pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
309 self.stdout = dest.stdin
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
310 else: # can't pipe output AND send it to a file
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
311 outputTo, outputMode = statement.redirectedOutput()
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
312 if outputMode:
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
313 statekeeper = Statekeeper(self, ('stdout',))
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
314 if outputTo:
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
315 self.stdout = open(outputTo, outputMode)
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
316 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
317 self.stdout = tempfile.TemporaryFile()
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
318 if outputMode == 'a':
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
319 self.stdout.write(getPasteBuffer())
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
320
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
321 stop = cmd.Cmd.onecmd(self, statement.executable)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
322 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 if command not in self.excludeFromHistory:
50
dccf27f52f51 unifying pipe and redirect
catherine@localhost
parents: 49
diff changeset
324 self.history.append(originalStatement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
325 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
326 if statekeeper:
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
327 if pipeTo:
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
328 for result in dest.communicate():
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
329 statekeeper.stdout.write(result or '')
75
8b2603d1acc1 working except for combinations
catherine@Elli.myhome.westell.com
parents: 74
diff changeset
330 elif outputMode and not outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
331 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
332 writeToPasteBuffer(self.stdout.read())
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
333 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
334 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
335
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
336 return stop
66
f373aaa2390c ready for first trial
catherine@Elli.myhome.westell.com
parents: 65
diff changeset
337
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
338 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
339 """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
340
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
341 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
352 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
356
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
357 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
359 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
360 the remainder of the line as argument.
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
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
363 # 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
364 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
365
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
369 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
370 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
375 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
384 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
385 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
386 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
387 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
394 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
396 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
397 return stop
0
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 do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
401 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 def clean(self, s):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 if self.caseInsensitive:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 return s.strip().lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407 return s.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
408
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 def parseline(self, line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 """Parse the line into a command name and a string containing
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 the arguments. Returns a tuple containing (command, args, line).
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 'command' and 'args' may be None if the line couldn't be parsed.
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 line = line.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 if not line:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 return None, None, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
417 shortcut = self.shortcuts.get(line[0])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 if shortcut and hasattr(self, 'do_%s' % shortcut):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 line = '%s %s' % (shortcut, line[1:])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 i, n = 0, len(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 while i < n and line[i] in self.identchars: i = i+1
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
422 cmd, arg = line[:i], line[i:].strip()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423 return cmd, arg, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
425 def showParam(self, param):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
426 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
430
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
431 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
432 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 if paramName not in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 raise NotSettableError
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 currentVal = getattr(self, paramName)
67
a78dff1e7bca prelim tests work; weirdness with xclip and shift-ins
catherine@Elli.myhome.westell.com
parents: 66
diff changeset
452 val = cast(currentVal, self.strip_terminators(val))
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 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
455 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 self.do_show(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 os.system(arg)
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_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 arg is /enclosed in forward-slashes/ -> regular expression search
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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
473 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
493 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
494 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 ed [filename]: edit specified file name
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 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 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
511 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513 buffer = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
515 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
516 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
518 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 filename = arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
525 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
529 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 def do_save(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 """Saves most recent command to a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 fname = self.defaultFileName
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 f = open(fname, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539 f.write(self.history[-1])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 f.close()
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
73
101283b63e1b hmm, getting hard to split search/do not search
catherine@Elli.myhome.westell.com
parents: 72
diff changeset
587 def fileimport(self, source):
0
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)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
636
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
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))
65
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parents: 60
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675
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676 if __name__ == '__main__':
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677 doctest.testmod()
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678