Mercurial > python-cmd2

annotate cmd2.py @ 22:354a6b713d36

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paste working! (linux)
author catherine@localhost
date Fri, 16 May 2008 16:28:25 -0400
parents 24fbec27d66f
children 37bff80ef816
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
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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 if msg:
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27 print msg
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28
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29 def error(self, msg):
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30 """error(msg : string)
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31
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32 Print a usage message incorporating 'msg' to stderr and exit.
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33 If you override this in a subclass, it should not return -- it
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34 should either exit or raise an exception.
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35 """
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36 #print msg
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37 #print self.format_help()
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38 raise
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39
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40 def options(option_list):
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41 def option_setup(func):
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42 optionParser = OptionParser()
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43 for opt in option_list:
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44 optionParser.add_option(opt)
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45 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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46 def newFunc(instance, arg):
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47 try:
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48 opts, arg = optionParser.parse_args(arg.split())
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49 except optparse.OptionValueError, e:
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50 print e
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51 optionParser.print_help()
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52 return
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53 result = func(instance, arg, opts)
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54 return result
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55 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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56 return newFunc
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57 return option_setup
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58
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59 class Cmd(cmd.Cmd):
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60 caseInsensitive = True
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61 multilineCommands = []
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62 continuationPrompt = '> '
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63 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
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64 excludeFromHistory = '''run r list l history hi ed li eof'''.split()
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65 defaultExtension = 'txt'
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66 defaultFileName = 'command.txt'
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67 editor = os.environ.get('EDITOR')
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68 if not editor:
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69 if sys.platform[:3] == 'win':
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70 editor = 'notepad'
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71 else:
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72 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
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73 if os.system('which %s' % (editor)):
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74 break
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75
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76 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
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77 terminators = ';\n'
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78 def do_cmdenvironment(self, args):
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79 self.stdout.write("""
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80 Commands are %(casesensitive)scase-sensitive.
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81 Commands may be terminated with: %(terminators)s
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82 Settable parameters: %(settable)s
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83 """ %
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84 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
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85 'terminators': ' '.join(self.terminators),
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86 'settable': ' '.join(self.settable)
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87 })
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88
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89 def do_help(self, arg):
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90 cmd.Cmd.do_help(self, arg)
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91 try:
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92 fn = getattr(self, 'do_' + arg)
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93 if fn and fn.optionParser:
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94 fn.optionParser.print_help(file=self.stdout)
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95 except AttributeError:
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96 pass
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97
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98 def __init__(self, *args, **kwargs):
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99 cmd.Cmd.__init__(self, *args, **kwargs)
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100 self.history = History()
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101
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102 def do_shortcuts(self, args):
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103 """Lists single-key shortcuts available."""
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104 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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105 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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106
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107 legalFileName = re.compile(r'''^[^"'\s]+$''')
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108 def parseRedirector(self, statement, symbol, mustBeTerminated=False):
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109 parts = statement.split(symbol)
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110 if (len(parts) < 2):
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111 return statement, None
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112 if mustBeTerminated and (parts[-2].strip()[-1] not in self.terminators):
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113 return statement, None
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114 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip())
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115 if redirect:
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116 if not self.legalFileName.search(redirect):
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117 return statement, None
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118 else:
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119 redirect = 1
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120 return newStatement, redirect
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121
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122 def extractCommand(self, statement):
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123 try:
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124 (command, args) = statement.split(None,1)
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125 except ValueError:
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126 (command, args) = statement, ''
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127 if self.caseInsensitive:
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128 command = command.lower()
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129 return command, args
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130
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131 def parseRedirectors(self, statement):
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132 mustBeTerminated = self.extractCommand(statement)[0] in self.multilineCommands
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133 newStatement, redirect = self.parseRedirector(statement, '>>', mustBeTerminated)
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134 if redirect:
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135 return newStatement, redirect, 'a'
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136 newStatement, redirect = self.parseRedirector(statement, '>', mustBeTerminated)
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137 if redirect:
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138 return newStatement, redirect, 'w'
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139 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated)
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140 if redirect:
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141 return newStatement, redirect, 'r'
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142 return statement, '', ''
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143
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144 def onecmd(self, line):
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145 """Interpret the argument as though it had been typed in response
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146 to the prompt.
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147
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148 This may be overridden, but should not normally need to be;
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149 see the precmd() and postcmd() methods for useful execution hooks.
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150 The return value is a flag indicating whether interpretation of
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151 commands by the interpreter should stop.
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152
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153 """
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154 command, args = self.extractCommand(line)
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155 statement = ' '.join([command, args])
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156 if command in self.multilineCommands:
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157 statement = self.finishStatement(statement)
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158 statekeeper = None
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159 statement, redirect, mode = self.parseRedirectors(statement)
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160 if redirect == 1:
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161 if mode in ('a', 'r'):
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162 clipcontents = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE).stdout.read()
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163 if mode in ('w', 'a'):
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164 statekeeper = Statekeeper(self, ('stdout',))
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165 self.stdout = subprocess.Popen('xclip -sel clip', shell=True, stdin=subprocess.PIPE).stdin
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166 if mode == 'a':
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167 self.stdout.write(clipcontents + '\n')
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parents: 21
diff changeset
168 else:
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
169 statement = '%s %s' % (statement, clipcontents)
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
170 elif redirect:
0
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
171 if mode in ('w','a'):
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parents:
diff changeset
172 statekeeper = Statekeeper(self, ('stdout',))
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parents:
diff changeset
173 self.stdout = open(redirect, mode)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
174 else:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
175 statement = '%s %s' % (statement, self.fileimport(statement=statement, source=redirect))
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parents:
diff changeset
176 stop = cmd.Cmd.onecmd(self, statement)
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parents:
diff changeset
177 try:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
178 if command not in self.excludeFromHistory:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
179 self.history.append(statement)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
180 finally:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
181 if statekeeper:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
182 self.stdout.close()
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
183 statekeeper.restore()
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
184 return stop
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parents:
diff changeset
185
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parents:
diff changeset
186 statementEndPattern = re.compile(r'[%s]\s*$' % terminators)
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parents:
diff changeset
187 def statementHasEnded(self, lines):
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
188 #import pdb; pdb.set_trace()
0
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parents:
diff changeset
189 return bool(self.statementEndPattern.search(lines)) \
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
190 or lines[-3:] == 'EOF' \
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
191 or self.parseRedirectors(lines)[1]
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parents:
diff changeset
192
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parents:
diff changeset
193 def finishStatement(self, firstline):
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parents:
diff changeset
194 statement = firstline
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
195 while not self.statementHasEnded(statement):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
196 inp = self.pseudo_raw_input(self.continuationPrompt)
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parents:
diff changeset
197 statement = '%s\n%s' % (statement, inp)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
198 return statement
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
199 # assembling a list of lines and joining them at the end would be faster,
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
200 # but statementHasEnded needs a string arg; anyway, we're getting
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parents:
diff changeset
201 # user input and users are slow.
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parents:
diff changeset
202
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parents:
diff changeset
203 def pseudo_raw_input(self, prompt):
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parents:
diff changeset
204 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout"""
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parents:
diff changeset
205
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
206 if self.use_rawinput:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
207 try:
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parents:
diff changeset
208 line = raw_input(prompt)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
209 except EOFError:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
210 line = 'EOF'
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
211 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
212 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
213 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
214 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
215 if not len(line):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
216 line = 'EOF'
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
217 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
218 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
219 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
220 return line
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
221
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
222 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
223 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
224 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
225 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
226 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
227
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
228 # 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
229 # has been split out so that it can be called separately
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parents:
diff changeset
230
febfdc79550b moved repository to Assembla
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parents:
diff changeset
231 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
232 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
233 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
234 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
235 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
236 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
237 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
238 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
239 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
240 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
241 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
242 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
243 if self.intro:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
244 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
245 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
246 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
247 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
248 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
249 else:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
250 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
251 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
252 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
253 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
254 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
255 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
256 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
257 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
258 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
259 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
260 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
261 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
262
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
263 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
264 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
265 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
266
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
267 def clean(self, s):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
268 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
269 if self.caseInsensitive:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
270 return s.strip().lower()
febfdc79550b moved repository to Assembla
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parents:
diff changeset
271 return s.strip()
febfdc79550b moved repository to Assembla
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parents:
diff changeset
272
febfdc79550b moved repository to Assembla
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parents:
diff changeset
273 def parseline(self, line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
274 """Parse the line into a command name and a string containing
febfdc79550b moved repository to Assembla
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parents:
diff changeset
275 the arguments. Returns a tuple containing (command, args, line).
febfdc79550b moved repository to Assembla
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parents:
diff changeset
276 '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
277 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
278 line = line.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
279 if not line:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
280 return None, None, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
281 shortcut = self.shortcuts.get(line[0])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
282 if shortcut and hasattr(self, 'do_%s' % shortcut):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
283 line = '%s %s' % (shortcut, line[1:])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
284 i, n = 0, len(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
285 while i < n and line[i] in self.identchars: i = i+1
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
286 cmd, arg = line[:i], line[i:].strip().strip(self.terminators)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
287 return cmd, arg, line
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parents:
diff changeset
288
febfdc79550b moved repository to Assembla
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parents:
diff changeset
289 def showParam(self, param):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
290 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
291 if param in self.settable:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
292 val = getattr(self, param)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
293 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
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parents:
diff changeset
294
febfdc79550b moved repository to Assembla
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parents:
diff changeset
295 def do_quit(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
296 return 1
febfdc79550b moved repository to Assembla
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parents:
diff changeset
297 do_exit = do_quit
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parents:
diff changeset
298 do_q = do_quit
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parents:
diff changeset
299
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parents:
diff changeset
300 def do_show(self, arg):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
301 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
302 if arg.strip():
febfdc79550b moved repository to Assembla
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parents:
diff changeset
303 self.showParam(arg)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
304 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
305 for param in self.settable:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
306 self.showParam(param)
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parents:
diff changeset
307
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parents:
diff changeset
308 def do_set(self, arg):
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parents:
diff changeset
309 'Sets a parameter'
febfdc79550b moved repository to Assembla
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parents:
diff changeset
310 try:
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parents:
diff changeset
311 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
312 paramName = self.clean(paramName)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
313 if paramName not in self.settable:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
314 raise NotSettableError
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parents:
diff changeset
315 currentVal = getattr(self, paramName)
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parents:
diff changeset
316 val = cast(currentVal, val.strip(self.terminators))
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
317 setattr(self, paramName, val)
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parents:
diff changeset
318 self.stdout.write('%s - was: %s\nnow: %s\n' % (paramName, currentVal, val))
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parents:
diff changeset
319 except (ValueError, AttributeError, NotSettableError), e:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
320 self.do_show(arg)
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parents:
diff changeset
321
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
322 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 'execute a command as if at the OS prompt.'
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parents:
diff changeset
324 os.system(arg)
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parents:
diff changeset
325
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
326 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
327 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
328
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
329 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
330 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
331 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
332 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
333 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
334 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
335 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
336 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
337 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
338 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
339 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
340 def last_matching(self, arg):
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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
352 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355 arg is /enclosed in forward-slashes/ -> regular expression search
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 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
359 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
360 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
361 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
362 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
363 do_li = do_list
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 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
369
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
370 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374 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
375 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 buffer = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 filename = arg
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 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
386
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
387 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392 os.system('%s %s' % (self.editor, filename))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 self.do_load(filename)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
394 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
396 def do_save(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
397 """Saves most recent command to a file."""
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 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
401 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402 f = open(fname, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 f.write(self.history[-1])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 print 'Error saving %s: %s' % (fname, str(e))
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 do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
414 self.stdin = open(fname, 'r')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 except IOError, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
417 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 print 'Problem opening file %s: \n%s' % (fname, e)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423 self.prompt = self.continuationPrompt = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 self.cmdloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
425 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
426 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 self.lastcmd = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
430 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
431
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
432 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 def __init__(self, instr):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 str.__init__(self, instr)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
461 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
473 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 return self[(int(mtch.group(1))-1):]
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 if getme.startswith(r'/') and getme.endswith(r'/'):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489 def isin(hi):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 return finder.search(hi)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 else:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 def isin(hi):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
493 return (getme.lower() in hi.lowercase)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
494 return [itm for itm in self if isin(itm)]
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496 class NotSettableError(Exception):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 pass
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 def cast(current, new):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 """Tries to force a new value into the same type as the current."""
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 typ = type(current)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 if typ == bool:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 try:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 return bool(int(new))
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505 except ValueError, TypeError:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506 pass
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 try:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 new = new.lower()
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 except:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 pass
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
511 if (new=='on') or (new[0] in ('y','t')):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 return True
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513 if (new=='off') or (new[0] in ('n','f')):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514 return False
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
515 else:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
516 try:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 return typ(new)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
518 except:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 pass
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 return current
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 class Statekeeper(object):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 def __init__(self, obj, attribs):
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parents:
diff changeset
525 self.obj = obj
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 self.attribs = attribs
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 self.save()
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 def save(self):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
529 for attrib in self.attribs:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530 setattr(self, attrib, getattr(self.obj, attrib))
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 def restore(self):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 for attrib in self.attribs:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 setattr(self.obj, attrib, getattr(self, attrib))