Mercurial > python-cmd2

annotate cmd2.py @ 46:27b45b33a574

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pipe experiment
author catherine@cordelia
date Tue, 03 Jun 2008 08:01:16 -0400
parents 67cde3f501de
children 927bc07467de
rev   line source
0
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diff changeset
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
14
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17 CHANGES:
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18 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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19 flagReader.py options are still supported for backward compatibility
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20 """
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21 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing
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22 from optparse import make_option
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23
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24 class OptionParser(optparse.OptionParser):
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25 def exit(self, status=0, msg=None):
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26 self.values._exit = True
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27 if msg:
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28 print msg
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29
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30 def error(self, msg):
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31 """error(msg : string)
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32
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33 Print a usage message incorporating 'msg' to stderr and exit.
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34 If you override this in a subclass, it should not return -- it
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35 should either exit or raise an exception.
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36 """
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37 raise
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38
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39 def options(option_list):
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40 def option_setup(func):
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41 optionParser = OptionParser()
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42 for opt in option_list:
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43 optionParser.add_option(opt)
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44 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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45 def newFunc(instance, arg):
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46 try:
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47 opts, arg = optionParser.parse_args(arg.split())
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48 arg = ' '.join(arg)
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49 except (optparse.OptionValueError, optparse.BadOptionError,
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50 optparse.OptionError, optparse.AmbiguousOptionError,
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51 optparse.OptionConflictError), e:
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52 print e
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53 optionParser.print_help()
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54 return
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55 if hasattr(opts, '_exit'):
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56 return None
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57 result = func(instance, arg, opts)
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58 return result
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59 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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60 return newFunc
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61 return option_setup
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62
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63 class PasteBufferError(EnvironmentError):
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64 if sys.platform[:3] == 'win':
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65 errmsg = """Redirecting to or from paste buffer requires pywin32
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66 to be installed on operating system.
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67 Download from http://sourceforge.net/projects/pywin32/"""
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68 else:
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69 errmsg = """Redirecting to or from paste buffer requires xclip
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70 to be installed on operating system.
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71 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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72 def __init__(self):
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73 Exception.__init__(self, self.errmsg)
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74
29
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75 '''check here if functions exist; otherwise, stub out'''
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76 pastebufferr = """Redirecting to or from paste buffer requires %s
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77 to be installed on operating system.
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78 %s"""
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79 if subprocess.mswindows:
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80 try:
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81 import win32clipboard
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82 def getPasteBuffer():
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83 win32clipboard.OpenClipboard(0)
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84 try:
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85 result = win32clipboard.GetClipboardData()
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86 except TypeError:
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87 result = '' #non-text
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88 win32clipboard.CloseClipboard()
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89 return result
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90 def writeToPasteBuffer(txt):
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91 win32clipboard.OpenClipboard(0)
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92 win32clipboard.EmptyClipboard()
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93 win32clipboard.SetClipboardText(txt)
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94 win32clipboard.CloseClipboard()
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95 except ImportError:
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96 def getPasteBuffer():
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97 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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98 setPasteBuffer = getPasteBuffer
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99 else:
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100 can_clip = False
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101 try:
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102 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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103 can_clip = True
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104 except AttributeError: # check_call not defined, Python < 2.5
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105 teststring = 'Testing for presence of xclip.'
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106 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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107 xclipproc.stdin.write(teststring)
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108 xclipproc.stdin.close()
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109 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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110 if xclipproc.stdout.read() == teststring:
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111 can_clip = True
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112 except (subprocess.CalledProcessError, OSError):
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113 pass
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114 if can_clip:
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115 def getPasteBuffer():
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116 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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117 return xclipproc.stdout.read()
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118 def writeToPasteBuffer(txt):
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119 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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120 xclipproc.stdin.write(txt)
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121 xclipproc.stdin.close()
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122 else:
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123 def getPasteBuffer():
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124 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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125 setPasteBuffer = getPasteBuffer
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126
0
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127 class Cmd(cmd.Cmd):
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128 caseInsensitive = True
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129 multilineCommands = []
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130 continuationPrompt = '> '
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131 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
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132 excludeFromHistory = '''run r list l history hi ed li eof'''.split()
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133 defaultExtension = 'txt'
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134 defaultFileName = 'command.txt'
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135 editor = os.environ.get('EDITOR')
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136 _STOP_AND_EXIT = 2
0
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137 if not editor:
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138 if sys.platform[:3] == 'win':
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139 editor = 'notepad'
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140 else:
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141 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
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142 if os.system('which %s' % (editor)):
0
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143 break
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144
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145 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
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146 terminators = ';\n'
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147 _TO_PASTE_BUFFER = 1
0
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148 def do_cmdenvironment(self, args):
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149 self.stdout.write("""
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150 Commands are %(casesensitive)scase-sensitive.
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151 Commands may be terminated with: %(terminators)s
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152 Settable parameters: %(settable)s
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153 """ %
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154 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
0
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155 'terminators': ' '.join(self.terminators),
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156 'settable': ' '.join(self.settable)
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157 })
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158
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159 def do_help(self, arg):
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160 cmd.Cmd.do_help(self, arg)
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161 try:
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162 fn = getattr(self, 'do_' + arg)
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163 if fn and fn.optionParser:
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164 fn.optionParser.print_help(file=self.stdout)
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165 except AttributeError:
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166 pass
47af95ad83c7 working the refactor still
catherine@localhost
parents: 4
diff changeset
167
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
168 def __init__(self, *args, **kwargs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
169 cmd.Cmd.__init__(self, *args, **kwargs)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
170 self.history = History()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
171
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
172 def do_shortcuts(self, args):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
173 """Lists single-key shortcuts available."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
174 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
175 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
176
45
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
177 notAPipe = pyparsing.SkipTo('|')
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
178 notAPipe.ignore(pyparsing.sglQuotedString)
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
179 notAPipe.ignore(pyparsing.dblQuotedString)
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
180 pipeFinder = notAPipe + '|' + pyparsing.SkipTo(pyparsing.StringEnd())
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
181 def findPipe(self, statement):
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
182 try:
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
183 statement, pipe, destination = pipeFinder.parseString(statement)
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
184 return statement, destination
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
185 except pyparsing.ParseException:
67cde3f501de findpipe tested
catherine@cordelia
parents: 44
diff changeset
186 return statement, None
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
187
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
188 legalFileName = re.compile(r'''^[^"'\s]+$''')
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
189 def parseRedirector(self, statement, symbol, mustBeTerminated=False):
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
190 # pipeFinder.scanString(statement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
191 parts = statement.split(symbol)
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
192 if (len(parts) < 2):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
193 return statement, None
37
a974e2f44cbe made redirectors work with app-specific StatementEndPattern
catherine@localhost
parents: 36
diff changeset
194 if mustBeTerminated and (not self.statementEndPattern.search(parts[-2])):
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
195 return statement, None
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
196 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip())
22
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
197 if redirect:
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
198 if not self.legalFileName.search(redirect):
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
199 return statement, None
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
200 else:
23
37bff80ef816 refactoring, no failure mode yet
catherine@localhost
parents: 22
diff changeset
201 redirect = self._TO_PASTE_BUFFER
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
202 return newStatement, redirect
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
203
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
204 def extractCommand(self, statement):
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
205 try:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
206 (command, args) = statement.split(None,1)
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
207 except ValueError:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
208 (command, args) = statement, ''
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
209 if self.caseInsensitive:
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
210 command = command.lower()
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
211 return command, args
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
212
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
213 def parseRedirectors(self, statement):
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
214 mustBeTerminated = self.extractCommand(statement)[0] in self.multilineCommands
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
215 newStatement, redirect = self.parseRedirector(statement, '>>', mustBeTerminated)
22
354a6b713d36 paste working! (linux)
catherine@localhost
parents: 21
diff changeset
216 if redirect:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
217 return newStatement, redirect, 'a'
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
218 newStatement, redirect = self.parseRedirector(statement, '>', mustBeTerminated)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
219 if redirect:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
220 return newStatement, redirect, 'w'
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
221 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
222 if redirect:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
223 return newStatement, redirect, 'r'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
224 return statement, '', ''
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
225
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
226 def onecmd(self, line, assumeComplete=False):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
227 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
228 to the prompt.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
229
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
230 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
231 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
232 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
233 commands by the interpreter should stop.
febfdc79550b moved repository to Assembla
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parents:
diff changeset
234
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
235 """
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
236 command, args = self.extractCommand(line)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
237 statement = ' '.join([command, args])
44
b66372883bb4 marked to v 0.3.3
catherine@cordelia
parents: 43
diff changeset
238 if (not assumeComplete) and (command in self.multilineCommands):
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
239 statement = self.finishStatement(statement)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
240 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
241 stop = 0
46
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
242 statement, redirect = self.pipeFinder(statement)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
243 if redirect:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
244 redirect = subprocess.Popen(redirect, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
245 redirect.stdin = self.stdout
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
246 stop = cmd.Cmd.onecmd(self, statement)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
247 self.stdout.write(redirect.stdout.read())
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
248 return stop # didn't record in history
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
249 else:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
250 statement, redirect, mode = self.parseRedirectors(statement)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
251 if redirect == self._TO_PASTE_BUFFER:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
252 try:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
253 clipcontents = getPasteBuffer()
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
254 if mode in ('w', 'a'):
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
255 statekeeper = Statekeeper(self, ('stdout',))
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
256 self.stdout = tempfile.TemporaryFile()
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
257 if mode == 'a':
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
258 self.stdout.write(clipcontents)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
259 else:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
260 statement = '%s %s' % (statement, clipcontents)
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
261 except OSError, e:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
262 print e
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
263 return 0
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
264 elif redirect:
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
265 if mode in ('w','a'):
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
266 statekeeper = Statekeeper(self, ('stdout',))
46
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
267 self.stdout = open(redirect, mode)
25
6948d1f9e4b4 missing xclip half-working
catherine@localhost
parents: 24
diff changeset
268 else:
46
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
269 statement = '%s %s' % (statement, self.fileimport(statement=statement, source=redirect))
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
270 stop = cmd.Cmd.onecmd(self, statement)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
271 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
272 if command not in self.excludeFromHistory:
46
27b45b33a574 pipe experiment
catherine@cordelia
parents: 45
diff changeset
273 self.history.append(statement) # or should we append the unmodified statement?
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
274 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
275 if statekeeper:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
276 if redirect == self._TO_PASTE_BUFFER:
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
277 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
278 writeToPasteBuffer(self.stdout.read())
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
279 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
280 statekeeper.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
281 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
282
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
283 statementEndPattern = re.compile(r'[%s]\s*$' % terminators)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
284 def statementHasEnded(self, lines):
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
285 #import pdb; pdb.set_trace()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
286 return bool(self.statementEndPattern.search(lines)) \
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
287 or lines[-3:] == 'EOF' \
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
288 or self.parseRedirectors(lines)[1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
289
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
290 def finishStatement(self, firstline):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
291 statement = firstline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
292 while not self.statementHasEnded(statement):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
293 inp = self.pseudo_raw_input(self.continuationPrompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
294 statement = '%s\n%s' % (statement, inp)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
295 return statement
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
296 # assembling a list of lines and joining them at the end would be faster,
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
297 # but statementHasEnded needs a string arg; anyway, we're getting
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
298 # user input and users are slow.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
299
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
300 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
301 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
302
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
303 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
304 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
305 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
306 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
307 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
308 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
309 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
310 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
311 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
312 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
313 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
314 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
315 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
316 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
317 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
318
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
319 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
320 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
321 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
322 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
324
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
325 # 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
326 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
327
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
328 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
329 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
330 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
331 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
332 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
333 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
334 readline.parse_and_bind(self.completekey+": complete")
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 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
338 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
339 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
340 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
341 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
352 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
356 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
357 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
359 return stop
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
360
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
361 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
362 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
363 do_eof = do_EOF
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 clean(self, s):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 if self.caseInsensitive:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 return s.strip().lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
369 return s.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
370
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 def parseline(self, line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 """Parse the line into a command name and a string containing
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 the arguments. Returns a tuple containing (command, args, line).
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374 '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
375 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 line = line.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 if not line:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 return None, None, line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 shortcut = self.shortcuts.get(line[0])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 if shortcut and hasattr(self, 'do_%s' % shortcut):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 line = '%s %s' % (shortcut, line[1:])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382 i, n = 0, len(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 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
384 cmd, arg = line[:i], line[i:].strip().strip(self.terminators)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
385 return cmd, arg, line
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 def showParam(self, param):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
394 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
395 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
396 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
397
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
398 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
399 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
400 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
401 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 self.showParam(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
408 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 if paramName not in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412 raise NotSettableError
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413 currentVal = getattr(self, paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
414 val = cast(currentVal, val.strip(self.terminators))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 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
417 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 self.do_show(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 def do_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
425 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
426
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 arg is string -> 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 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
434 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
437 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
439 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
440 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
461 do_li = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 def do_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 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
473 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 buffer = ''
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 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 filename = arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
482 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
483 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 os.system('%s %s' % (self.editor, filename))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 self.do_load(filename)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
493
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
494 def do_save(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 """Saves most recent command to a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 f = open(fname, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 f.write(self.history[-1])
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
511 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
512 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
513 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
514 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
515 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
516 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
517 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
518 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
519 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
520 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
521 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
522 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
523 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
524 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
525 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
526 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
527 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
528 self.lastcmd = ''
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
529 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
530
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
531 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
532 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
533
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
534 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
537 arg is /enclosed in forward-slashes/ -> run most recent by regex
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 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
548 def fileimport(self, statement, source):
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 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
551 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
552 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
553 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
554 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
555 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
556 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
557
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
558 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
559 def __init__(self, instr):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
560 str.__init__(self, instr)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
562 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
563 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
564 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
566 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
567 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
568 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
569 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
575 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
582 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
588 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
589 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 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
591 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
595 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 return [itm for itm in self if isin(itm)]
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 NotSettableError(Exception):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 def cast(current, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 """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
603 typ = type(current)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604 if typ == bool:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606 return bool(int(new))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 except ValueError, TypeError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
609 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
610 new = new.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
611 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
613 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
614 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
615 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
616 return False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
617 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
618 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
619 return typ(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
620 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
621 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 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
623 return current
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
625 class Statekeeper(object):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
626 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
627 self.obj = obj
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
628 self.attribs = attribs
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
629 self.save()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
630 def save(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 def restore(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 for attrib in self.attribs:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635 setattr(self.obj, attrib, getattr(self, attrib))