annotate cmd2.py @ 36:f472921d6189

fixing split arg, AND cleaning up accidental merge mess
author catherine@localhost
date Mon, 19 May 2008 13:56:00 -0400
parents dd64c0e3dbe0 e72eb9137a87
children a974e2f44cbe
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
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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, 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 result = func(instance, ' '.join(arg), opts)
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56 return result
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57 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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58 return newFunc
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59 return option_setup
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60
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61 class PasteBufferError(EnvironmentError):
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62 if sys.platform[:3] == 'win':
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63 errmsg = """Redirecting to or from paste buffer requires pywin32
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64 to be installed on operating system.
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65 Download from http://sourceforge.net/projects/pywin32/"""
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66 else:
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67 errmsg = """Redirecting to or from paste buffer requires xclip
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68 to be installed on operating system.
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69 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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70 def __init__(self):
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71 Exception.__init__(self, self.errmsg)
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72
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73 '''check here if functions exist; otherwise, stub out'''
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74 pastebufferr = """Redirecting to or from paste buffer requires %s
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75 to be installed on operating system.
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76 %s"""
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77 if subprocess.mswindows:
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78 try:
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79 import win32clipboard
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80 def getPasteBuffer():
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81 win32clipboard.OpenClipboard(0)
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82 try:
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83 result = win32clipboard.GetClipboardData()
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84 except TypeError:
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85 result = '' #non-text
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86 win32clipboard.CloseClipboard()
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87 return result
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88 def writeToPasteBuffer(txt):
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89 win32clipboard.OpenClipboard(0)
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90 win32clipboard.EmptyClipboard()
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91 win32clipboard.SetClipboardText(txt)
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92 win32clipboard.CloseClipboard()
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93 except ImportError:
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94 def getPasteBuffer():
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95 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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96 setPasteBuffer = getPasteBuffer
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97 else:
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98 can_clip = False
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99 try:
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100 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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101 can_clip = True
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102 except AttributeError: # check_call not defined, Python < 2.5
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103 teststring = 'Testing for presence of xclip.'
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104 #import pdb; pdb.set_trace()
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105 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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106 xclipproc.stdin.write(teststring)
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107 xclipproc.stdin.close()
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108 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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109 if xclipproc.stdout.read() == teststring:
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110 can_clip = True
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111 except (subprocess.CalledProcessError, OSError):
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112 pass
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113 if can_clip:
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114 def getPasteBuffer():
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115 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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116 return xclipproc.stdout.read()
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117 def writeToPasteBuffer(txt):
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118 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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119 xclipproc.stdin.write(txt)
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120 xclipproc.stdin.close()
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121 else:
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122 def getPasteBuffer():
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123 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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124 setPasteBuffer = getPasteBuffer
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125
0
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126 class Cmd(cmd.Cmd):
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127 caseInsensitive = True
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128 multilineCommands = []
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129 continuationPrompt = '> '
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130 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
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131 excludeFromHistory = '''run r list l history hi ed li eof'''.split()
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132 defaultExtension = 'txt'
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133 defaultFileName = 'command.txt'
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134 editor = os.environ.get('EDITOR')
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135 if not editor:
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136 if sys.platform[:3] == 'win':
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137 editor = 'notepad'
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138 else:
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139 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
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140 if os.system('which %s' % (editor)):
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141 break
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142
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143 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
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144 terminators = ';\n'
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145 _TO_PASTE_BUFFER = 1
0
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146 def do_cmdenvironment(self, args):
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147 self.stdout.write("""
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148 Commands are %(casesensitive)scase-sensitive.
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149 Commands may be terminated with: %(terminators)s
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150 Settable parameters: %(settable)s
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151 """ %
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152 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
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153 'terminators': ' '.join(self.terminators),
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154 'settable': ' '.join(self.settable)
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155 })
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156
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157 def do_help(self, arg):
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158 cmd.Cmd.do_help(self, arg)
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159 try:
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160 fn = getattr(self, 'do_' + arg)
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161 if fn and fn.optionParser:
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162 fn.optionParser.print_help(file=self.stdout)
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163 except AttributeError:
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164 pass
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165
0
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166 def __init__(self, *args, **kwargs):
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diff changeset
167 cmd.Cmd.__init__(self, *args, **kwargs)
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parents:
diff changeset
168 self.history = History()
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parents:
diff changeset
169
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parents:
diff changeset
170 def do_shortcuts(self, args):
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parents:
diff changeset
171 """Lists single-key shortcuts available."""
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parents:
diff changeset
172 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
diff changeset
173 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
diff changeset
174
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parents:
diff changeset
175 legalFileName = re.compile(r'''^[^"'\s]+$''')
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
176 def parseRedirector(self, statement, symbol, mustBeTerminated=False):
0
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parents:
diff changeset
177 parts = statement.split(symbol)
3
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parents: 2
diff changeset
178 if (len(parts) < 2):
0
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parents:
diff changeset
179 return statement, None
3
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catherine@cordelia
parents: 2
diff changeset
180 if mustBeTerminated and (parts[-2].strip()[-1] not in self.terminators):
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catherine@cordelia
parents: 2
diff changeset
181 return statement, None
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catherine@cordelia
parents: 2
diff changeset
182 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip())
22
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catherine@localhost
parents: 21
diff changeset
183 if redirect:
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catherine@localhost
parents: 21
diff changeset
184 if not self.legalFileName.search(redirect):
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catherine@localhost
parents: 21
diff changeset
185 return statement, None
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parents: 21
diff changeset
186 else:
23
37bff80ef816 refactoring, no failure mode yet
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parents: 22
diff changeset
187 redirect = self._TO_PASTE_BUFFER
0
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parents:
diff changeset
188 return newStatement, redirect
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parents:
diff changeset
189
3
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parents: 2
diff changeset
190 def extractCommand(self, statement):
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parents: 2
diff changeset
191 try:
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parents: 2
diff changeset
192 (command, args) = statement.split(None,1)
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parents: 2
diff changeset
193 except ValueError:
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parents: 2
diff changeset
194 (command, args) = statement, ''
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parents: 2
diff changeset
195 if self.caseInsensitive:
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parents: 2
diff changeset
196 command = command.lower()
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parents: 2
diff changeset
197 return command, args
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parents: 2
diff changeset
198
0
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parents:
diff changeset
199 def parseRedirectors(self, statement):
3
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parents: 2
diff changeset
200 mustBeTerminated = self.extractCommand(statement)[0] in self.multilineCommands
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parents: 2
diff changeset
201 newStatement, redirect = self.parseRedirector(statement, '>>', mustBeTerminated)
22
354a6b713d36 paste working! (linux)
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parents: 21
diff changeset
202 if redirect:
0
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parents:
diff changeset
203 return newStatement, redirect, 'a'
3
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catherine@cordelia
parents: 2
diff changeset
204 newStatement, redirect = self.parseRedirector(statement, '>', mustBeTerminated)
0
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parents:
diff changeset
205 if redirect:
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parents:
diff changeset
206 return newStatement, redirect, 'w'
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
207 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated)
0
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diff changeset
208 if redirect:
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parents:
diff changeset
209 return newStatement, redirect, 'r'
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diff changeset
210 return statement, '', ''
27
a76798cde34c hooray, pasting working in windows
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parents: 26
diff changeset
211
0
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diff changeset
212 def onecmd(self, line):
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parents:
diff changeset
213 """Interpret the argument as though it had been typed in response
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diff changeset
214 to the prompt.
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parents:
diff changeset
215
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diff changeset
216 This may be overridden, but should not normally need to be;
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parents:
diff changeset
217 see the precmd() and postcmd() methods for useful execution hooks.
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diff changeset
218 The return value is a flag indicating whether interpretation of
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diff changeset
219 commands by the interpreter should stop.
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diff changeset
220
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
221 """
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parents: 2
diff changeset
222 command, args = self.extractCommand(line)
0
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diff changeset
223 statement = ' '.join([command, args])
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diff changeset
224 if command in self.multilineCommands:
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diff changeset
225 statement = self.finishStatement(statement)
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diff changeset
226 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
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parents: 24
diff changeset
227 stop = 0
0
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parents:
diff changeset
228 statement, redirect, mode = self.parseRedirectors(statement)
23
37bff80ef816 refactoring, no failure mode yet
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parents: 22
diff changeset
229 if redirect == self._TO_PASTE_BUFFER:
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
230 try:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
231 clipcontents = getPasteBuffer()
25
6948d1f9e4b4 missing xclip half-working
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parents: 24
diff changeset
232 if mode in ('w', 'a'):
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parents: 24
diff changeset
233 statekeeper = Statekeeper(self, ('stdout',))
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
234 self.stdout = tempfile.TemporaryFile()
25
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catherine@localhost
parents: 24
diff changeset
235 if mode == 'a':
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parents: 24
diff changeset
236 self.stdout.write(clipcontents)
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parents: 24
diff changeset
237 else:
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parents: 24
diff changeset
238 statement = '%s %s' % (statement, clipcontents)
29
c4bd5f1a6968 paste buffer working on linux and windows
catherine@cordelia
parents: 28
diff changeset
239 except OSError, e:
28
28b3fb301d3d almost working, but problem with check_call
catherine@cordelia
parents: 27
diff changeset
240 print e
25
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parents: 24
diff changeset
241 return 0
22
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
242 elif redirect:
0
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parents:
diff changeset
243 if mode in ('w','a'):
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parents:
diff changeset
244 statekeeper = Statekeeper(self, ('stdout',))
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parents:
diff changeset
245 self.stdout = open(redirect, mode)
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parents:
diff changeset
246 else:
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diff changeset
247 statement = '%s %s' % (statement, self.fileimport(statement=statement, source=redirect))
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parents:
diff changeset
248 stop = cmd.Cmd.onecmd(self, statement)
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parents:
diff changeset
249 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
250 if command not in self.excludeFromHistory:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
251 self.history.append(statement)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
252 finally:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
253 if statekeeper:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
254 if redirect == self._TO_PASTE_BUFFER:
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
255 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
256 writeToPasteBuffer(self.stdout.read())
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
257 self.stdout.close()
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parents:
diff changeset
258 statekeeper.restore()
febfdc79550b moved repository to Assembla
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parents:
diff changeset
259 return stop
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parents:
diff changeset
260
febfdc79550b moved repository to Assembla
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parents:
diff changeset
261 statementEndPattern = re.compile(r'[%s]\s*$' % terminators)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
262 def statementHasEnded(self, lines):
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
263 #import pdb; pdb.set_trace()
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
264 return bool(self.statementEndPattern.search(lines)) \
febfdc79550b moved repository to Assembla
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parents:
diff changeset
265 or lines[-3:] == 'EOF' \
febfdc79550b moved repository to Assembla
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parents:
diff changeset
266 or self.parseRedirectors(lines)[1]
febfdc79550b moved repository to Assembla
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parents:
diff changeset
267
febfdc79550b moved repository to Assembla
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parents:
diff changeset
268 def finishStatement(self, firstline):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
269 statement = firstline
febfdc79550b moved repository to Assembla
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parents:
diff changeset
270 while not self.statementHasEnded(statement):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
271 inp = self.pseudo_raw_input(self.continuationPrompt)
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parents:
diff changeset
272 statement = '%s\n%s' % (statement, inp)
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parents:
diff changeset
273 return statement
febfdc79550b moved repository to Assembla
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parents:
diff changeset
274 # assembling a list of lines and joining them at the end would be faster,
febfdc79550b moved repository to Assembla
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parents:
diff changeset
275 # but statementHasEnded needs a string arg; anyway, we're getting
febfdc79550b moved repository to Assembla
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parents:
diff changeset
276 # user input and users are slow.
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parents:
diff changeset
277
febfdc79550b moved repository to Assembla
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parents:
diff changeset
278 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
279 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout"""
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parents:
diff changeset
280
febfdc79550b moved repository to Assembla
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parents:
diff changeset
281 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
282 try:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
283 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
284 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
285 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
286 else:
febfdc79550b moved repository to Assembla
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parents:
diff changeset
287 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
288 self.stdout.flush()
febfdc79550b moved repository to Assembla
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parents:
diff changeset
289 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
290 if not len(line):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
291 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
292 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
293 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
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parents:
diff changeset
294 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
295 return line
febfdc79550b moved repository to Assembla
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parents:
diff changeset
296
febfdc79550b moved repository to Assembla
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parents:
diff changeset
297 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
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parents:
diff changeset
298 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
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parents:
diff changeset
299 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
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parents:
diff changeset
300 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
301 """
febfdc79550b moved repository to Assembla
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parents:
diff changeset
302
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
303 # 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
304 # has been split out so that it can be called separately
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parents:
diff changeset
305
febfdc79550b moved repository to Assembla
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parents:
diff changeset
306 self.preloop()
febfdc79550b moved repository to Assembla
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parents:
diff changeset
307 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
308 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
309 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
310 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
311 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
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parents:
diff changeset
312 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
313 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
314 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
315 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
316 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
317 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
318 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
319 self.stdout.write(str(self.intro)+"\n")
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
320 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
321 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
322 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
324 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
325 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
326 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
327 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
328 stop = self.postcmd(stop, line)
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parents:
diff changeset
329 self.postloop()
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
330 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
331 if self.use_rawinput and self.completekey:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
332 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
333 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
334 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
335 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
336 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
337
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
338 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
339 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
340 do_eof = do_EOF
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
341
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 def clean(self, s):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 if self.caseInsensitive:
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 return s.strip().lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 return s.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 def parseline(self, line):
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 """Parse the line into a command name and a string containing
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350 the arguments. Returns a tuple containing (command, args, line).
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 '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
352 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 line = line.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354 if not line:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355 return None, None, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
356 shortcut = self.shortcuts.get(line[0])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
357 if shortcut and hasattr(self, 'do_%s' % shortcut):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 line = '%s %s' % (shortcut, line[1:])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
359 i, n = 0, len(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
360 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
361 cmd, arg = line[:i], line[i:].strip().strip(self.terminators)
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catherine@DellZilla.myhome.westell.com
parents:
diff changeset
362 return cmd, arg, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
363
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
364 def showParam(self, param):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
365 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
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 def do_quit(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 return 1
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
375 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
384 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
385 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
386 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
387 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 if paramName not in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 raise NotSettableError
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 currentVal = getattr(self, paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391 val = cast(currentVal, val.strip(self.terminators))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 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
394 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395 self.do_show(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
396
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
397 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
398 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
399 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
401 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407 arg is /enclosed in forward-slashes/ -> regular expression search
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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
414 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 def last_matching(self, arg):
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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
425
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
426 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
430 arg is /enclosed in forward-slashes/ -> regular expression search
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 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 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
450 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 buffer = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 filename = arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 buffer = self.last_matching(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 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467 os.system('%s %s' % (self.editor, filename))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 self.do_load(filename)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 def do_save(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 """Saves most recent command to a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
473
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 f = open(fname, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 f.write(self.history[-1])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489 self.stdin = open(fname, 'r')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 except IOError, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
493 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
494 print 'Problem opening file %s: \n%s' % (fname, e)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 self.prompt = self.continuationPrompt = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 self.cmdloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 self.lastcmd = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
511 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
515 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
516 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
517 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
518 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
519 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
520
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
521 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
522 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
525 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
529 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
530
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 def __init__(self, instr):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533 str.__init__(self, instr)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
538
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
539 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
549 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
550 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
551 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
552 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
553 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
554 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
555 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
556 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
557 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
558 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
559 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
560 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
562 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
563 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
564 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
567 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
568 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
569 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 class NotSettableError(Exception):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 def cast(current, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
575 """Tries to force a new value into the same type as the current."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576 typ = type(current)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 if typ == bool:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 return bool(int(new))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580 except ValueError, TypeError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
582 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583 new = new.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
588 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
589 return False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
591 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 return typ(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
595 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 return current
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
598 class Statekeeper(object):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600 self.obj = obj
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 self.attribs = attribs
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 self.save()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603 def save(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606 def restore(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 setattr(self.obj, attrib, getattr(self, attrib))