annotate cmd2.py @ 91:88f2aa240af1 0.3.6

added to save
author catherine@Elli.myhome.westell.com
date Thu, 04 Sep 2008 11:30:26 -0400
parents 1cd189536e90
children 414a78c16ce9
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 Note that redirection with > and | will only work if `self.stdout.write()`
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16 is used in place of `print`. The standard library's `cmd` module is
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17 written to use `self.stdout.write()`,
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18
14
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19 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
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20
14
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21 CHANGES:
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22 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
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23 flagReader.py options are still supported for backward compatibility
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24 """
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25 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest
10
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26 from optparse import make_option
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27
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28 class OptionParser(optparse.OptionParser):
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29 def exit(self, status=0, msg=None):
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30 self.values._exit = True
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31 if msg:
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32 print msg
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33
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34 def error(self, msg):
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35 """error(msg : string)
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36
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37 Print a usage message incorporating 'msg' to stderr and exit.
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38 If you override this in a subclass, it should not return -- it
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39 should either exit or raise an exception.
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40 """
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41 raise
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42
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43 def options(option_list):
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44 def option_setup(func):
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45 optionParser = OptionParser()
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46 for opt in option_list:
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47 optionParser.add_option(opt)
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48 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
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49 def newFunc(instance, arg):
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50 try:
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51 opts, arg = optionParser.parse_args(arg.split())
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52 arg = ' '.join(arg)
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53 except (optparse.OptionValueError, optparse.BadOptionError,
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54 optparse.OptionError, optparse.AmbiguousOptionError,
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55 optparse.OptionConflictError), e:
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56 print e
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57 optionParser.print_help()
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58 return
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59 if hasattr(opts, '_exit'):
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60 return None
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61 result = func(instance, arg, opts)
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62 return result
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63 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
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64 return newFunc
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65 return option_setup
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66
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67 class PasteBufferError(EnvironmentError):
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68 if sys.platform[:3] == 'win':
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69 errmsg = """Redirecting to or from paste buffer requires pywin32
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70 to be installed on operating system.
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71 Download from http://sourceforge.net/projects/pywin32/"""
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72 else:
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73 errmsg = """Redirecting to or from paste buffer requires xclip
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74 to be installed on operating system.
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75 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
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76 def __init__(self):
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77 Exception.__init__(self, self.errmsg)
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78
29
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79 '''check here if functions exist; otherwise, stub out'''
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80 pastebufferr = """Redirecting to or from paste buffer requires %s
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81 to be installed on operating system.
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82 %s"""
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83 if subprocess.mswindows:
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84 try:
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85 import win32clipboard
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86 def getPasteBuffer():
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87 win32clipboard.OpenClipboard(0)
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88 try:
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89 result = win32clipboard.GetClipboardData()
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90 except TypeError:
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91 result = '' #non-text
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92 win32clipboard.CloseClipboard()
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93 return result
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94 def writeToPasteBuffer(txt):
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95 win32clipboard.OpenClipboard(0)
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96 win32clipboard.EmptyClipboard()
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97 win32clipboard.SetClipboardText(txt)
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98 win32clipboard.CloseClipboard()
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99 except ImportError:
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100 def getPasteBuffer():
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101 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/')
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102 setPasteBuffer = getPasteBuffer
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103 else:
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104 can_clip = False
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105 try:
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106 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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107 can_clip = True
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108 except AttributeError: # check_call not defined, Python < 2.5
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109 teststring = 'Testing for presence of xclip.'
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110 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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111 xclipproc.stdin.write(teststring)
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112 xclipproc.stdin.close()
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113 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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114 if xclipproc.stdout.read() == teststring:
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115 can_clip = True
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116 except (subprocess.CalledProcessError, OSError, IOError):
29
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117 pass
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118 if can_clip:
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119 def getPasteBuffer():
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120 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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121 return xclipproc.stdout.read()
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122 def writeToPasteBuffer(txt):
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123 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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124 xclipproc.stdin.write(txt)
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125 xclipproc.stdin.close()
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126 # but we want it in both the "primary" and "mouse" clipboards
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127 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
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128 xclipproc.stdin.write(txt)
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129 xclipproc.stdin.close()
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130 else:
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131 def getPasteBuffer():
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132 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"')
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133 setPasteBuffer = getPasteBuffer
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134
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135 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t')
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136 def parseSearchResults(pattern, s):
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137 generator = pattern.scanString(s)
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138 try:
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139 result, start, stop = generator.next()
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140 result['before'], result['after'] = s[:start], s[stop:]
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141 result['upToIncluding'] = s[:stop]
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142 except StopIteration:
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143 result = pyparsing.ParseResults('')
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144 result['before'] = s
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145 return result
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146
0
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147 class Cmd(cmd.Cmd):
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148 caseInsensitive = True
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149 multilineCommands = []
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150 continuationPrompt = '> '
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151 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
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152 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split()
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153 defaultExtension = 'txt'
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154 defaultFileName = 'command.txt'
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155 editor = os.environ.get('EDITOR')
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156 _STOP_AND_EXIT = 2
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157 if not editor:
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158 if sys.platform[:3] == 'win':
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159 editor = 'notepad'
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160 else:
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161 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
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162 if not os.system('which %s' % (editor)):
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163 break
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164
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parents:
diff changeset
165 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
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37bff80ef816 refactoring, no failure mode yet
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diff changeset
166 _TO_PASTE_BUFFER = 1
0
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diff changeset
167 def do_cmdenvironment(self, args):
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diff changeset
168 self.stdout.write("""
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169 Commands are %(casesensitive)scase-sensitive.
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diff changeset
170 Commands may be terminated with: %(terminators)s
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diff changeset
171 Settable parameters: %(settable)s
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parents:
diff changeset
172 """ %
2
1ea887b51cad python 2.4 compatibility
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parents: 0
diff changeset
173 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
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diff changeset
174 'terminators': self.terminatorPattern,
0
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diff changeset
175 'settable': ' '.join(self.settable)
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parents:
diff changeset
176 })
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177
10
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parents: 4
diff changeset
178 def do_help(self, arg):
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parents: 4
diff changeset
179 cmd.Cmd.do_help(self, arg)
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parents: 4
diff changeset
180 try:
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parents: 4
diff changeset
181 fn = getattr(self, 'do_' + arg)
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parents: 4
diff changeset
182 if fn and fn.optionParser:
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parents: 4
diff changeset
183 fn.optionParser.print_help(file=self.stdout)
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parents: 4
diff changeset
184 except AttributeError:
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parents: 4
diff changeset
185 pass
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parents: 4
diff changeset
186
0
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parents:
diff changeset
187 def __init__(self, *args, **kwargs):
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diff changeset
188 cmd.Cmd.__init__(self, *args, **kwargs)
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189 self.history = History()
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parents:
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190
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diff changeset
191 def do_shortcuts(self, args):
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parents:
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192 """Lists single-key shortcuts available."""
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parents:
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193 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
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parents:
diff changeset
194 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
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parents:
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195
81
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diff changeset
196 terminatorPattern = (pyparsing.Literal(';') ^ pyparsing.Literal('\n\n')) \
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1cd189536e90 going to improve Save
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diff changeset
197 ^ (pyparsing.Literal('\nEOF') + pyparsing.lineEnd) ('terminator')
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diff changeset
198 argSeparatorPattern = pyparsing.Word(pyparsing.printables)('command') \
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diff changeset
199 + pyparsing.SkipTo(pyparsing.StringEnd())('args')
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diff changeset
200 filenamePattern = pyparsing.Word(pyparsing.alphanums + '#$-_~{},.!:\\/')
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diff changeset
201 integerPattern = pyparsing.Word(pyparsing.nums).setParseAction( lambda s,l,t: [ int(t[0]) ] )
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202 pipePattern = pyparsing.Literal('|')('pipe') + pyparsing.restOfLine('pipeTo')
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203 redirectOutPattern = (pyparsing.Literal('>>') ^ '>')('output') \
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diff changeset
204 + pyparsing.Optional(filenamePattern)('outputTo')
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diff changeset
205 redirectInPattern = pyparsing.Literal('<')('input') \
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diff changeset
206 + pyparsing.Optional(filenamePattern)('inputFrom')
81
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diff changeset
207 punctuationPattern = pipePattern ^ redirectInPattern ^ redirectOutPattern
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diff changeset
208 for p in (terminatorPattern, pipePattern, redirectInPattern, redirectOutPattern, punctuationPattern):
79
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diff changeset
209 p.ignore(pyparsing.sglQuotedString)
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diff changeset
210 p.ignore(pyparsing.dblQuotedString)
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diff changeset
211
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diff changeset
212 def parsed(self, s):
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diff changeset
213 '''
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parents: 56
diff changeset
214 >>> c = Cmd()
82
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diff changeset
215 >>> r = c.parsed('quotes "are > ignored" < inp.txt')
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diff changeset
216 >>> r.statement, r.input, r.inputFrom, r.output, r.outputFrom
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diff changeset
217 ('quotes "are > ignored" ', '<', 'inp.txt', '', '')
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diff changeset
218 >>> r = c.parsed('very complex; < from.txt >> to.txt etc.')
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diff changeset
219 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
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diff changeset
220 ('very complex;', ';', '<', 'from.txt', '>>', 'to.txt')
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diff changeset
221 >>> c.parsed('nothing to parse').statement
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diff changeset
222 'nothing to parse'
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diff changeset
223 >>> r = c.parsed('ignore > within a terminated statement; > out.txt')
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diff changeset
224 >>> r.statement, r.terminator, r.input, r.inputFrom, r.output, r.outputTo
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diff changeset
225 ('ignore > within a terminated statement;', ';', '', '', '>', 'out.txt')
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diff changeset
226 >>> r = c.parsed('send it to | sort | wc')
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diff changeset
227 >>> r.statement, r.pipe, r.pipeTo
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diff changeset
228 ('send it to ', '|', ' sort | wc')
79
f583663c610f switch to pyparsing worked
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diff changeset
229 >>> r = c.parsed('got from < thisfile.txt plus blah blah')
82
bbf0afc6868b new parseResults working
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diff changeset
230 >>> r.statement, r.input, r.inputFrom
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diff changeset
231 ('got from ', '<', 'thisfile.txt')
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
232 '''
f583663c610f switch to pyparsing worked
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diff changeset
233 if isinstance(s, pyparsing.ParseResults):
f583663c610f switch to pyparsing worked
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diff changeset
234 return s
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diff changeset
235 result = (pyparsing.SkipTo(pyparsing.StringEnd()))('fullStatement').parseString(s)
83
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diff changeset
236 if s[0] in self.shortcuts:
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diff changeset
237 s = self.shortcuts[s[0]] + ' ' + s[1:]
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diff changeset
238 result['statement'] = s
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diff changeset
239 result['parseable'] = s
82
bbf0afc6868b new parseResults working
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diff changeset
240 result += parseSearchResults(self.terminatorPattern, s)
81
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
241 if result.terminator:
82
bbf0afc6868b new parseResults working
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diff changeset
242 result['statement'] = result.upToIncluding
83
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diff changeset
243 result['unterminated'] = result.before
82
bbf0afc6868b new parseResults working
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diff changeset
244 result['parseable'] = result.after
81
a3b0ef23146f trying to parseResults
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diff changeset
245 else:
82
bbf0afc6868b new parseResults working
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diff changeset
246 result += parseSearchResults(self.punctuationPattern, s)
83
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diff changeset
247 result['statement'] = result['unterminated'] = result.before
81
a3b0ef23146f trying to parseResults
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diff changeset
248 result += parseSearchResults(self.pipePattern, result.parseable)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
249 result += parseSearchResults(self.redirectInPattern, result.parseable)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
250 result += parseSearchResults(self.redirectOutPattern, result.parseable)
a3b0ef23146f trying to parseResults
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diff changeset
251 result += parseSearchResults(self.argSeparatorPattern, result.statement)
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
252 if self.caseInsensitive:
a3b0ef23146f trying to parseResults
catherine@Elli.myhome.westell.com
parents: 80
diff changeset
253 result['command'] = result.command.lower()
a3b0ef23146f trying to parseResults
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parents: 80
diff changeset
254 result['statement'] = '%s %s' % (result.command, result.args)
a3b0ef23146f trying to parseResults
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diff changeset
255 return result
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
256
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
257 def extractCommand(self, statement):
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catherine@cordelia
parents: 2
diff changeset
258 try:
4520a1a073ff require terminator for redirection
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parents: 2
diff changeset
259 (command, args) = statement.split(None,1)
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catherine@cordelia
parents: 2
diff changeset
260 except ValueError:
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catherine@cordelia
parents: 2
diff changeset
261 (command, args) = statement, ''
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parents: 2
diff changeset
262 if self.caseInsensitive:
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parents: 2
diff changeset
263 command = command.lower()
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parents: 2
diff changeset
264 return command, args
79
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
265
44
b66372883bb4 marked to v 0.3.3
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parents: 43
diff changeset
266 def onecmd(self, line, assumeComplete=False):
0
febfdc79550b moved repository to Assembla
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parents:
diff changeset
267 """Interpret the argument as though it had been typed in response
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diff changeset
268 to the prompt.
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269
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diff changeset
270 This may be overridden, but should not normally need to be;
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parents:
diff changeset
271 see the precmd() and postcmd() methods for useful execution hooks.
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diff changeset
272 The return value is a flag indicating whether interpretation of
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diff changeset
273 commands by the interpreter should stop.
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diff changeset
274
3
4520a1a073ff require terminator for redirection
catherine@cordelia
parents: 2
diff changeset
275 """
83
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parents: 82
diff changeset
276 line = line.strip()
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parents: 82
diff changeset
277 if not line:
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parents: 82
diff changeset
278 return
79
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parents: 56
diff changeset
279 statement = self.parsed(line)
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diff changeset
280 while (statement.command in self.multilineCommands) and not \
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parents: 56
diff changeset
281 (statement.terminator or assumeComplete):
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parents: 56
diff changeset
282 statement = self.parsed('%s\n%s' % (statement.fullStatement,
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
283 self.pseudo_raw_input(self.continuationPrompt)))
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
284
0
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parents:
diff changeset
285 statekeeper = None
25
6948d1f9e4b4 missing xclip half-working
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parents: 24
diff changeset
286 stop = 0
79
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parents: 56
diff changeset
287 if statement.input:
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
288 if statement.inputFrom:
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parents: 56
diff changeset
289 try:
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diff changeset
290 newinput = open(statement.inputFrom, 'r').read()
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parents: 56
diff changeset
291 except OSError, e:
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parents: 56
diff changeset
292 print e
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
293 return 0
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parents: 56
diff changeset
294 else:
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parents: 56
diff changeset
295 newinput = getPasteBuffer()
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parents: 56
diff changeset
296 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:]
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parents: 56
diff changeset
297 return self.onecmd('%s%s%s' % (statement.fullStatement[:start],
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catherine@Elli.myhome.westell.com
parents: 56
diff changeset
298 newinput, statement.fullStatement[end:]))
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
299 if statement.pipe and statement.pipeTo:
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parents: 56
diff changeset
300 redirect = subprocess.Popen(statement.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
51
26e33f64f68e trying new unified pipe and redirect
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parents: 50
diff changeset
301 statekeeper = Statekeeper(self, ('stdout',))
47
927bc07467de fixed misfind of editor
catherine@cordelia
parents: 46
diff changeset
302 self.stdout = redirect.stdin
79
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parents: 56
diff changeset
303 elif statement.output:
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parents: 56
diff changeset
304 statekeeper = Statekeeper(self, ('stdout',))
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parents: 56
diff changeset
305 if statement.outputTo:
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parents: 56
diff changeset
306 mode = 'w'
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parents: 56
diff changeset
307 if statement.output == '>>':
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catherine@Elli.myhome.westell.com
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diff changeset
308 mode = 'a'
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parents: 56
diff changeset
309 try:
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diff changeset
310 self.stdout = open(statement.outputTo, mode)
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diff changeset
311 except OSError, e:
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diff changeset
312 print e
f583663c610f switch to pyparsing worked
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parents: 56
diff changeset
313 return 0
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
314 else:
51
26e33f64f68e trying new unified pipe and redirect
catherine@localhost
parents: 50
diff changeset
315 statekeeper = Statekeeper(self, ('stdout',))
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
316 self.stdout = tempfile.TemporaryFile()
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
317 if statement.output == '>>':
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
318 self.stdout.write(getPasteBuffer())
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
319 stop = cmd.Cmd.onecmd(self, statement.statement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
320 try:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
321 if statement.command not in self.excludeFromHistory:
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
322 self.history.append(statement.fullStatement)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
323 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
324 if statekeeper:
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
325 if statement.output and not statement.outputTo:
27
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
326 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows
catherine@cordelia
parents: 26
diff changeset
327 writeToPasteBuffer(self.stdout.read())
79
f583663c610f switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents: 56
diff changeset
328 elif statement.pipe:
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
329 for result in redirect.communicate():
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
330 statekeeper.stdout.write(result or '')
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
331 self.stdout.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
332 statekeeper.restore()
52
49de899a05a8 new unified pipe and redirect works on wc
catherine@localhost
parents: 51
diff changeset
333
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
334 return stop
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
335
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
336 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
337 """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
338
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
339 if self.use_rawinput:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
340 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
341 line = raw_input(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
342 except EOFError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
343 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
344 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
345 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
346 self.stdout.flush()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
347 line = self.stdin.readline()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
348 if not len(line):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
349 line = 'EOF'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
350 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
351 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
352 line = line[:-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
353 return line
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
354
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
355 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
356 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
357 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
358 the remainder of the line as argument.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
359 """
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 # 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
362 # has been split out so that it can be called separately
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 self.preloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
365 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
366 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
367 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
368 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
369 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
370 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
371 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
372 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
373 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
374 if intro is not None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
375 self.intro = intro
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
376 if self.intro:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
377 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
378 stop = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
379 while not stop:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
380 if self.cmdqueue:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
381 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
382 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
383 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
384 line = self.precmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
385 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
386 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
387 self.postloop()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
388 finally:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
389 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
390 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
391 import readline
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
392 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
393 except ImportError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
394 pass
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
395 return stop
0
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_EOF(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
398 return True
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
399 do_eof = do_EOF
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 clean(self, s):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
402 """cleans up a string"""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
403 if self.caseInsensitive:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
404 return s.strip().lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
405 return s.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
406
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
407 def showParam(self, param):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
408 param = self.clean(param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
409 if param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
410 val = getattr(self, param)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
411 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
412
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
413 def do_quit(self, arg):
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
414 return self._STOP_AND_EXIT
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
415 do_exit = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
416 do_q = do_quit
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
417
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
418 def do_show(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
419 'Shows value of a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
420 if arg.strip():
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
421 self.showParam(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
422 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
423 for param in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
424 self.showParam(param)
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 def do_set(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
427 'Sets a parameter'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
428 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
429 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
430 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
431 if paramName not in self.settable:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
432 raise NotSettableError
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
433 currentVal = getattr(self, paramName)
84
416ea36af789 fixed bug in setting parameters
catherine@Elli.myhome.westell.com
parents: 83
diff changeset
434 val = cast(currentVal, self.parsed(val).unterminated)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
435 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
436 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
437 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
438 self.do_show(arg)
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_shell(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
441 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
442 os.system(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
443
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
444 def do_history(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
445 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
446
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
447 no arg -> list all
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
448 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
449 arg is string -> string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
450 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
451 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
452 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
453 history = self.history.get(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
454 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
455 history = self.history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
456 for hi in history:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
457 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
458 def last_matching(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
459 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
460 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
461 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
462 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
463 return self.history[-1]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
464 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
465 return None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
466 def do_list(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
467 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
468
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
469 no arg -> list absolute last
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
470 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
471 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
472 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
473 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
474 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
475 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
476 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
477 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
478 pass
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
479 do_hi = do_history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
480 do_l = do_list
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
481 do_li = do_list
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_ed(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
484 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
485 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
486 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
487
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
488 commands are run after editor is closed.
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
489 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
490 to control which editing program is used."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
491 if not self.editor:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
492 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
493 return
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
494 filename = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
495 buffer = ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
496 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
497 arg = int(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
498 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
499 except:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
500 if arg:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
501 filename = arg
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
502 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
503 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
504
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
505 if buffer:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
506 f = open(filename, 'w')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
507 f.write(buffer or '')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
508 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
509
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
510 os.system('%s %s' % (self.editor, filename))
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
511 self.do__load(filename)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
512 do_edit = do_ed
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
513
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
514 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
515 pyparsing.Optional(pyparsing.Word(pyparsing.printables))("fname") +
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
516 pyparsing.stringEnd)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
517 def do_save(self, arg):
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
518 """`save [N] [filename.ext]`
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
519 Saves command from history to file.
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
520 N => Number of command (from history), or `*`;
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
521 most recent command if omitted"""
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
522
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
523 try:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
524 args = self.saveparser.parseString(arg)
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
525 except pyparsing.ParseException:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
526 print self.do_save.__doc__
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
527 return
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
528 fname = args.fname or self.defaultFileName
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
529 if args.idx == '*':
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
530 saveme = '\n\n'.join(self.history[:])
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
531 elif args.idx:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
532 saveme = self.history[int(args.idx)-1]
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
533 else:
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
534 saveme = self.history[-1]
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
535 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
536 f = open(fname, 'w')
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
537 f.write(saveme)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
538 f.close()
91
88f2aa240af1 added to save
catherine@Elli.myhome.westell.com
parents: 90
diff changeset
539 print 'Saved to %s' % (fname)
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
540 except Exception, e:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
541 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
542
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
543 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
544 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
545 if fname is None:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
546 fname = self.defaultFileName
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
547 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
548 if isinstance(fname, file):
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
549 self.stdin = fname
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
550 else:
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
551 try:
41
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
552 self.stdin = open(fname, 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
553 except IOError, e:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
554 try:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
555 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
556 except IOError:
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
557 print 'Problem opening file %s: \n%s' % (fname, e)
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
558 keepstate.restore()
1275d59c08a7 do_load accepts file object
catherine@cordelia
parents: 39
diff changeset
559 return
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
560 self.use_rawinput = False
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
561 self.prompt = self.continuationPrompt = ''
42
b3200c6e5763 inserting exception for quit...
catherine@cordelia
parents: 41
diff changeset
562 stop = self.cmdloop()
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
563 self.stdin.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
564 keepstate.restore()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
565 self.lastcmd = ''
48
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
566 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT
34fb41095451 avoiding do_load overload
catherine.devlin@gmail.com
parents: 47
diff changeset
567 do__load = do_load # avoid an unfortunate legacy use of do_load from sqlpython
43
e03a8c03ac37 command-line args working
catherine@cordelia
parents: 42
diff changeset
568
0
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
569 def do_run(self, arg):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
570 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
571
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
572 no arg -> run most recent command
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
573 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
574 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
575 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
576 """
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
577 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
578 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
579 print runme
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
580 if runme:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
581 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
582 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
583 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
584 do_r = do_run
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
585
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
586 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
587 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
588 f = open(source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
589 except IOError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
590 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
591 return ''
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
592 data = f.read()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
593 f.close()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
594 return data
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
595
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
596 class HistoryItem(str):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
597 def __init__(self, instr):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
598 str.__init__(self, instr)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
599 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
600 self.idx = None
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
601 def pr(self):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
602 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
603
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
604 class History(list):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
605 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
606 def append(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
607 new = HistoryItem(new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
608 list.append(self, new)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
609 new.idx = len(self)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
610 def extend(self, new):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
611 for n in new:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
612 self.append(n)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
613 def get(self, getme):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
614 try:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
615 getme = int(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
616 if getme < 0:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
617 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
618 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
619 return [self[getme-1]]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
620 except IndexError:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
621 return []
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
622 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
623 getme = getme.strip()
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
624 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
625 if mtch:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
626 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
627 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
628 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
629 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
630 return finder.search(hi)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
631 else:
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
632 def isin(hi):
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
633 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
634 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff changeset
635
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636 class NotSettableError(Exception):
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637 pass
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638
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639 def cast(current, new):
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640 """Tries to force a new value into the same type as the current."""
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641 typ = type(current)
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642 if typ == bool:
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643 try:
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644 return bool(int(new))
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645 except ValueError, TypeError:
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646 pass
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647 try:
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648 new = new.lower()
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649 except:
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650 pass
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651 if (new=='on') or (new[0] in ('y','t')):
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652 return True
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653 if (new=='off') or (new[0] in ('n','f')):
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654 return False
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655 else:
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656 try:
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657 return typ(new)
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658 except:
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659 pass
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660 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
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661 return current
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662
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663 class Statekeeper(object):
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664 def __init__(self, obj, attribs):
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665 self.obj = obj
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666 self.attribs = attribs
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667 self.save()
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668 def save(self):
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669 for attrib in self.attribs:
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670 setattr(self, attrib, getattr(self.obj, attrib))
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671 def restore(self):
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672 for attrib in self.attribs:
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673 setattr(self.obj, attrib, getattr(self, attrib))
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674
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675 if __name__ == '__main__':
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676 doctest.testmod()