Mercurial > python-cmd2
annotate cmd2.py @ 186:bee79220382c
unit tests passing
author | catherine@Elli.myhome.westell.com |
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date | Wed, 28 Jan 2009 09:08:33 -0500 |
parents | 0e9ecf8f5520 |
children | 183dd2fffec5 |
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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 |
13 | 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 Easy transcript-based testing of applications (see example/example.py) |
13 | 15 |
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16 Note that redirection with > and | will only work if `self.stdout.write()` |
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17 is used in place of `print`. The standard library's `cmd` module is |
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18 written to use `self.stdout.write()`, |
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19 |
14 | 20 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com |
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21 |
126 | 22 mercurial repository at http://www.assembla.com/wiki/show/python-cmd2 |
14 | 23 CHANGES: |
24 As of 0.3.0, options should be specified as `optparse` options. See README.txt. | |
25 flagReader.py options are still supported for backward compatibility | |
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26 """ |
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27 import cmd, re, os, sys, optparse, subprocess, tempfile, pyparsing, doctest, unittest, string |
10 | 28 from optparse import make_option |
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29 __version__ = '0.4.4' |
10 | 30 |
11 | 31 class OptionParser(optparse.OptionParser): |
32 def exit(self, status=0, msg=None): | |
38 | 33 self.values._exit = True |
11 | 34 if msg: |
15 | 35 print msg |
11 | 36 |
37 def error(self, msg): | |
38 """error(msg : string) | |
39 | |
40 Print a usage message incorporating 'msg' to stderr and exit. | |
41 If you override this in a subclass, it should not return -- it | |
42 should either exit or raise an exception. | |
43 """ | |
15 | 44 raise |
11 | 45 |
10 | 46 def options(option_list): |
47 def option_setup(func): | |
11 | 48 optionParser = OptionParser() |
10 | 49 for opt in option_list: |
50 optionParser.add_option(opt) | |
12 | 51 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_')) |
10 | 52 def newFunc(instance, arg): |
53 try: | |
157 | 54 opts, newArgs = optionParser.parse_args(arg.split()) |
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55 newArgs = (newArgs and arg[arg.find(newArgs[0]):]) or '' |
20 | 56 except (optparse.OptionValueError, optparse.BadOptionError, |
57 optparse.OptionError, optparse.AmbiguousOptionError, | |
58 optparse.OptionConflictError), e: | |
10 | 59 print e |
60 optionParser.print_help() | |
38 | 61 return |
62 if hasattr(opts, '_exit'): | |
63 return None | |
165 | 64 arg = arg.parser('%s %s%s%s' % (arg.parsed.command, newArgs, arg.parsed.terminator, arg.parsed.suffix)) |
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65 result = func(instance, arg, opts) |
159 | 66 return result |
10 | 67 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help()) |
68 return newFunc | |
69 return option_setup | |
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70 |
27 | 71 class PasteBufferError(EnvironmentError): |
72 if sys.platform[:3] == 'win': | |
73 errmsg = """Redirecting to or from paste buffer requires pywin32 | |
74 to be installed on operating system. | |
75 Download from http://sourceforge.net/projects/pywin32/""" | |
76 else: | |
77 errmsg = """Redirecting to or from paste buffer requires xclip | |
78 to be installed on operating system. | |
79 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it.""" | |
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80 def __init__(self): |
27 | 81 Exception.__init__(self, self.errmsg) |
82 | |
29
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83 '''check here if functions exist; otherwise, stub out''' |
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84 pastebufferr = """Redirecting to or from paste buffer requires %s |
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85 to be installed on operating system. |
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86 %s""" |
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87 if subprocess.mswindows: |
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88 try: |
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89 import win32clipboard |
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90 def getPasteBuffer(): |
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91 win32clipboard.OpenClipboard(0) |
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92 try: |
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93 result = win32clipboard.GetClipboardData() |
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94 except TypeError: |
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95 result = '' #non-text |
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96 win32clipboard.CloseClipboard() |
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97 return result |
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98 def writeToPasteBuffer(txt): |
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99 win32clipboard.OpenClipboard(0) |
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100 win32clipboard.EmptyClipboard() |
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101 win32clipboard.SetClipboardText(txt) |
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102 win32clipboard.CloseClipboard() |
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103 except ImportError: |
106 | 104 def getPasteBuffer(*args): |
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105 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/') |
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106 setPasteBuffer = getPasteBuffer |
27 | 107 else: |
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108 can_clip = False |
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109 try: |
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110 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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111 can_clip = True |
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112 except AttributeError: # check_call not defined, Python < 2.5 |
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113 teststring = 'Testing for presence of xclip.' |
31 | 114 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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115 xclipproc.stdin.write(teststring) |
31 | 116 xclipproc.stdin.close() |
117 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
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118 if xclipproc.stdout.read() == teststring: |
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119 can_clip = True |
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120 except (subprocess.CalledProcessError, OSError, IOError): |
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121 pass |
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122 if can_clip: |
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123 def getPasteBuffer(): |
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124 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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125 return xclipproc.stdout.read() |
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126 def writeToPasteBuffer(txt): |
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127 xclipproc = subprocess.Popen('xclip -sel clip', 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 # but we want it in both the "primary" and "mouse" clipboards |
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131 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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132 xclipproc.stdin.write(txt) |
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133 xclipproc.stdin.close() |
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134 else: |
106 | 135 def getPasteBuffer(*args): |
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136 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"') |
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137 setPasteBuffer = getPasteBuffer |
106 | 138 writeToPasteBuffer = getPasteBuffer |
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139 |
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140 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t') |
159 | 141 ''' |
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142 def parseSearchResults(pattern, s): |
81 | 143 generator = pattern.scanString(s) |
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144 try: |
81 | 145 result, start, stop = generator.next() |
146 result['before'], result['after'] = s[:start], s[stop:] | |
82 | 147 result['upToIncluding'] = s[:stop] |
81 | 148 except StopIteration: |
149 result = pyparsing.ParseResults('') | |
150 result['before'] = s | |
151 return result | |
159 | 152 ''' |
154 | 153 |
154 def replaceInput(source): | |
155 if source: | |
156 newinput = open(source[0], 'r').read() | |
157 else: | |
158 newinput = getPasteBuffer() | |
159 | |
160 try: | |
161 if statement.inputFrom: | |
162 newinput = open(statement.inputFrom, 'r').read() | |
163 else: | |
164 newinput = getPasteBuffer() | |
165 except (OSError,), e: | |
166 print e | |
167 return 0 | |
168 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:] | |
169 return self.onecmd('%s%s%s' % (statement.fullStatement[:start], | |
170 newinput, statement.fullStatement[end:])) | |
171 | |
157 | 172 class ParsedString(str): |
173 pass | |
174 | |
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175 class Cmd(cmd.Cmd): |
103 | 176 echo = False |
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177 caseInsensitive = True |
157 | 178 continuationPrompt = '> ' |
166
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179 legalChars = '!#$%.:?@_' + pyparsing.alphanums + pyparsing.alphas8bit # make sure your terminators are not in here! |
137 | 180 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' } |
106 | 181 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split() |
182 noSpecialParse = 'set ed edit exit'.split() | |
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183 defaultExtension = 'txt' |
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184 defaultFileName = 'command.txt' |
170
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185 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo'] |
169 | 186 |
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187 editor = os.environ.get('EDITOR') |
42 | 188 _STOP_AND_EXIT = 2 |
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189 if not editor: |
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190 if sys.platform[:3] == 'win': |
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191 editor = 'notepad' |
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192 else: |
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193 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']: |
47 | 194 if not os.system('which %s' % (editor)): |
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195 break |
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196 |
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197 def do_cmdenvironment(self, args): |
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198 self.stdout.write(""" |
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199 Commands are %(casesensitive)scase-sensitive. |
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200 Commands may be terminated with: %(terminators)s |
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201 Settable parameters: %(settable)s |
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202 """ % |
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203 { 'casesensitive': ('not ' and self.caseInsensitive) or '', |
171 | 204 'terminators': str(self.terminators), |
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205 'settable': ' '.join(self.settable) |
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206 }) |
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207 |
10 | 208 def do_help(self, arg): |
209 cmd.Cmd.do_help(self, arg) | |
210 try: | |
211 fn = getattr(self, 'do_' + arg) | |
212 if fn and fn.optionParser: | |
213 fn.optionParser.print_help(file=self.stdout) | |
214 except AttributeError: | |
215 pass | |
216 | |
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217 def __init__(self, *args, **kwargs): |
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218 cmd.Cmd.__init__(self, *args, **kwargs) |
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219 self.history = History() |
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220 self._init_parser() |
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221 |
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222 def do_shortcuts(self, args): |
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223 """Lists single-key shortcuts available.""" |
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224 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items()) |
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225 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result)) |
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226 |
137 | 227 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment]) |
153 | 228 commentGrammars.addParseAction(lambda x: '') |
136 | 229 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd) |
171 | 230 terminators = [';'] |
231 blankLinesAllowed = False | |
153 | 232 multilineCommands = [] |
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233 |
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234 def _init_parser(self): |
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235 r''' |
146 | 236 >>> c = Cmd() |
153 | 237 >>> c.multilineCommands = ['multiline'] |
238 >>> c.caseInsensitive = True | |
239 >>> c._init_parser() | |
158 | 240 >>> print c.parser.parseString('').dump() |
241 [] | |
242 >>> print c.parser.parseString('/* empty command */').dump() | |
243 [] | |
244 >>> print c.parser.parseString('plainword').dump() | |
245 ['plainword', ''] | |
246 - command: plainword | |
247 - statement: ['plainword', ''] | |
248 - command: plainword | |
157 | 249 >>> print c.parser.parseString('termbare;').dump() |
158 | 250 ['termbare', '', ';', ''] |
251 - command: termbare | |
252 - statement: ['termbare', '', ';'] | |
253 - command: termbare | |
254 - terminator: ; | |
255 - terminator: ; | |
157 | 256 >>> print c.parser.parseString('termbare; suffx').dump() |
158 | 257 ['termbare', '', ';', 'suffx'] |
258 - command: termbare | |
259 - statement: ['termbare', '', ';'] | |
260 - command: termbare | |
261 - terminator: ; | |
262 - suffix: suffx | |
263 - terminator: ; | |
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264 >>> print c.parser.parseString('barecommand').dump() |
153 | 265 ['barecommand', ''] |
266 - command: barecommand | |
267 - statement: ['barecommand', ''] | |
268 - command: barecommand | |
269 >>> print c.parser.parseString('COMmand with args').dump() | |
157 | 270 ['command', 'with args'] |
271 - args: with args | |
153 | 272 - command: command |
157 | 273 - statement: ['command', 'with args'] |
274 - args: with args | |
153 | 275 - command: command |
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276 >>> print c.parser.parseString('command with args and terminator; and suffix').dump() |
158 | 277 ['command', 'with args and terminator', ';', 'and suffix'] |
153 | 278 - args: with args and terminator |
279 - command: command | |
280 - statement: ['command', 'with args and terminator', ';'] | |
281 - args: with args and terminator | |
282 - command: command | |
283 - terminator: ; | |
158 | 284 - suffix: and suffix |
285 - terminator: ; | |
153 | 286 >>> print c.parser.parseString('simple | piped').dump() |
157 | 287 ['simple', '', '|', ' piped'] |
153 | 288 - command: simple |
157 | 289 - pipeTo: piped |
153 | 290 - statement: ['simple', ''] |
291 - command: simple | |
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292 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump() |
157 | 293 ['command', 'with args, terminator', ';', 'sufx', '|', ' piped'] |
153 | 294 - args: with args, terminator |
295 - command: command | |
157 | 296 - pipeTo: piped |
153 | 297 - statement: ['command', 'with args, terminator', ';'] |
298 - args: with args, terminator | |
299 - command: command | |
300 - terminator: ; | |
301 - suffix: sufx | |
155 | 302 - terminator: ; |
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303 >>> print c.parser.parseString('output into > afile.txt').dump() |
157 | 304 ['output', 'into', '>', 'afile.txt'] |
153 | 305 - args: into |
306 - command: output | |
307 - output: > | |
155 | 308 - outputTo: afile.txt |
157 | 309 - statement: ['output', 'into'] |
310 - args: into | |
311 - command: output | |
312 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump() | |
313 ['output', 'into', ';', 'sufx', '|', ' pipethrume plz', '>', 'afile.txt'] | |
314 - args: into | |
315 - command: output | |
316 - output: > | |
317 - outputTo: afile.txt | |
318 - pipeTo: pipethrume plz | |
153 | 319 - statement: ['output', 'into', ';'] |
320 - args: into | |
321 - command: output | |
322 - terminator: ; | |
323 - suffix: sufx | |
324 - terminator: ; | |
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325 >>> print c.parser.parseString('output to paste buffer >> ').dump() |
157 | 326 ['output', 'to paste buffer', '>>', ''] |
327 - args: to paste buffer | |
153 | 328 - command: output |
329 - output: >> | |
157 | 330 - statement: ['output', 'to paste buffer'] |
331 - args: to paste buffer | |
153 | 332 - command: output |
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333 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump() |
153 | 334 ['ignore', 'the /* commented | > */ stuff', ';', ''] |
335 - args: the /* commented | > */ stuff | |
336 - command: ignore | |
337 - statement: ['ignore', 'the /* commented | > */ stuff', ';'] | |
338 - args: the /* commented | > */ stuff | |
339 - command: ignore | |
340 - terminator: ; | |
341 - terminator: ; | |
342 >>> print c.parser.parseString('has > inside;').dump() | |
343 ['has', '> inside', ';', ''] | |
344 - args: > inside | |
345 - command: has | |
346 - statement: ['has', '> inside', ';'] | |
347 - args: > inside | |
348 - command: has | |
349 - terminator: ; | |
350 - terminator: ; | |
351 >>> print c.parser.parseString('multiline has > inside an unfinished command').dump() | |
173 | 352 ['multiline', ' has > inside an unfinished command'] |
153 | 353 - multilineCommand: multiline |
354 >>> print c.parser.parseString('multiline has > inside;').dump() | |
355 ['multiline', 'has > inside', ';', ''] | |
356 - args: has > inside | |
357 - multilineCommand: multiline | |
358 - statement: ['multiline', 'has > inside', ';'] | |
359 - args: has > inside | |
360 - multilineCommand: multiline | |
361 - terminator: ; | |
362 - terminator: ; | |
363 >>> print c.parser.parseString('multiline command /* with comment in progress;').dump() | |
173 | 364 ['multiline', ' command /* with comment in progress;'] |
153 | 365 - multilineCommand: multiline |
366 >>> print c.parser.parseString('multiline command /* with comment complete */ is done;').dump() | |
367 ['multiline', 'command /* with comment complete */ is done', ';', ''] | |
368 - args: command /* with comment complete */ is done | |
369 - multilineCommand: multiline | |
370 - statement: ['multiline', 'command /* with comment complete */ is done', ';'] | |
371 - args: command /* with comment complete */ is done | |
372 - multilineCommand: multiline | |
373 - terminator: ; | |
158 | 374 - terminator: ; |
186 | 375 >>> print c.parser.parseString('multiline command ends\n\n').dump() |
376 ['multiline', 'command ends', '\n', '\n'] | |
377 - args: command ends | |
378 - multilineCommand: multiline | |
379 - statement: ['multiline', 'command ends', '\n', '\n'] | |
380 - args: command ends | |
381 - multilineCommand: multiline | |
382 - terminator: ['\n', '\n'] | |
383 - terminator: ['\n', '\n'] | |
153 | 384 ''' |
146 | 385 outputParser = pyparsing.oneOf(['>>','>'])('output') |
171 | 386 terminatorParser = pyparsing.Or([(hasattr(t, 'parseString') and t) or pyparsing.Literal(t) for t in self.terminators])('terminator') |
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387 stringEnd = pyparsing.stringEnd ^ '\nEOF' |
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388 self.multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand') |
186 | 389 oneLineCommand = (~self.multilineCommand + pyparsing.Word(self.legalChars))('command') |
160 | 390 pipe = pyparsing.Keyword('|', identChars='|') |
168 | 391 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '') |
392 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment) | |
153 | 393 afterElements = \ |
160 | 394 pyparsing.Optional(pipe + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeTo')) + \ |
155 | 395 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd).setParseAction(lambda x: x[0].strip())('outputTo')) |
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396 if self.caseInsensitive: |
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397 self.multilineCommand.setParseAction(lambda x: x[0].lower()) |
153 | 398 oneLineCommand.setParseAction(lambda x: x[0].lower()) |
171 | 399 if self.blankLinesAllowed: |
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400 self.blankLineTerminationParser = pyparsing.NoMatch |
171 | 401 else: |
186 | 402 self.blankLineTerminator = (pyparsing.lineEnd + pyparsing.lineEnd)('terminator') |
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403 self.blankLineTerminator.setResultsName('terminator') |
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404 self.blankLineTerminationParser = ((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(self.blankLineTerminator).setParseAction(lambda x: x[0].strip())('args') + self.blankLineTerminator)('statement') |
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405 self.multilineParser = (((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') + |
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406 pyparsing.SkipTo(outputParser ^ pipe ^ stringEnd).setParseAction(lambda x: x[0].strip())('suffix') + afterElements) |
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407 self.singleLineParser = ((oneLineCommand + pyparsing.SkipTo(terminatorParser ^ stringEnd ^ pipe ^ outputParser).setParseAction(lambda x:x[0].strip())('args'))('statement') + |
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408 pyparsing.Optional(terminatorParser) + afterElements) |
186 | 409 #self.multilineParser = self.multilineParser.setResultsName('multilineParser') |
410 #self.singleLineParser = self.singleLineParser.setResultsName('singleLineParser') | |
411 #self.blankLineTerminationParser = self.blankLineTerminationParser.setResultsName('blankLineTerminatorParser') | |
153 | 412 self.parser = ( |
173 | 413 stringEnd | |
184
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414 self.multilineParser | |
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415 self.singleLineParser | |
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416 self.blankLineTerminationParser | |
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417 self.multilineCommand + pyparsing.SkipTo(stringEnd) |
153 | 418 ) |
169 | 419 self.parser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) |
420 | |
154 | 421 inputMark = pyparsing.Literal('<') |
422 inputMark.setParseAction(lambda x: '') | |
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423 inputFrom = pyparsing.Word(self.legalChars + '/\\')('inputFrom') |
154 | 424 inputFrom.setParseAction(lambda x: (x and open(x[0]).read()) or getPasteBuffer()) |
425 self.inputParser = inputMark + pyparsing.Optional(inputFrom) | |
426 self.inputParser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) | |
153 | 427 |
165 | 428 def parsed(self, raw, **kwargs): |
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429 if isinstance(raw, ParsedString): |
165 | 430 p = raw |
431 else: | |
171 | 432 s = self.inputParser.transformString(raw.lstrip()) |
165 | 433 for (shortcut, expansion) in self.shortcuts.items(): |
434 if s.startswith(shortcut): | |
435 s = s.replace(shortcut, expansion + ' ', 1) | |
436 break | |
437 result = self.parser.parseString(s) | |
438 result['command'] = result.multilineCommand or result.command | |
439 result['raw'] = raw | |
440 result['clean'] = self.commentGrammars.transformString(result.args) | |
441 result['expanded'] = s | |
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442 p = ParsedString(result.clean) |
165 | 443 p.parsed = result |
444 p.parser = self.parsed | |
445 for (key, val) in kwargs.items(): | |
446 p.parsed[key] = val | |
157 | 447 return p |
448 | |
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449 def onecmd(self, line): |
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450 """Interpret the argument as though it had been typed in response |
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451 to the prompt. |
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452 |
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453 This may be overridden, but should not normally need to be; |
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454 see the precmd() and postcmd() methods for useful execution hooks. |
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455 The return value is a flag indicating whether interpretation of |
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456 commands by the interpreter should stop. |
157 | 457 |
458 This (`cmd2`) version of `onecmd` already override's `cmd`'s `onecmd`. | |
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459 |
3 | 460 """ |
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461 if not line: |
157 | 462 return self.emptyline() |
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463 if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line): |
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464 return 0 # command was empty except for comments |
154 | 465 try: |
466 statement = self.parsed(line) | |
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467 while statement.parsed.multilineCommand and (statement.parsed.terminator == ''): |
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468 statement = self.parsed('%s\n%s' % (statement.parsed.raw, |
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469 self.pseudo_raw_input(self.continuationPrompt))) |
154 | 470 except Exception, e: |
471 print e | |
472 return 0 | |
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473 |
177 | 474 if not statement.parsed.command: |
175 | 475 return 0 |
476 | |
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477 statekeeper = None |
25 | 478 stop = 0 |
154 | 479 |
157 | 480 if statement.parsed.pipeTo: |
481 redirect = subprocess.Popen(statement.parsed.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
51 | 482 statekeeper = Statekeeper(self, ('stdout',)) |
47 | 483 self.stdout = redirect.stdin |
157 | 484 elif statement.parsed.output: |
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485 statekeeper = Statekeeper(self, ('stdout',)) |
157 | 486 if statement.parsed.outputTo: |
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487 mode = 'w' |
157 | 488 if statement.parsed.output == '>>': |
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489 mode = 'a' |
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490 try: |
157 | 491 self.stdout = open(statement.parsed.outputTo, mode) |
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492 except OSError, e: |
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493 print e |
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494 return 0 |
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495 else: |
51 | 496 statekeeper = Statekeeper(self, ('stdout',)) |
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497 self.stdout = tempfile.TemporaryFile() |
157 | 498 if statement.parsed.output == '>>': |
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499 self.stdout.write(getPasteBuffer()) |
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500 try: |
157 | 501 # "heart" of the command, replace's cmd's onecmd() |
502 self.lastcmd = statement.parsed.expanded | |
503 try: | |
504 func = getattr(self, 'do_' + statement.parsed.command) | |
505 except AttributeError: | |
506 return self.default(statement) | |
507 stop = func(statement) | |
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508 except Exception, e: |
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509 print e |
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changeset
|
510 try: |
157 | 511 if statement.parsed.command not in self.excludeFromHistory: |
512 self.history.append(statement.parsed.raw) | |
0
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parents:
diff
changeset
|
513 finally: |
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parents:
diff
changeset
|
514 if statekeeper: |
157 | 515 if statement.parsed.output and not statement.parsed.outputTo: |
27 | 516 self.stdout.seek(0) |
134
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incorporated changes from branch at work
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parents:
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diff
changeset
|
517 try: |
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incorporated changes from branch at work
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parents:
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diff
changeset
|
518 writeToPasteBuffer(self.stdout.read()) |
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parents:
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diff
changeset
|
519 except Exception, e: |
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parents:
133
diff
changeset
|
520 print str(e) |
157 | 521 elif statement.parsed.pipeTo: |
52
49de899a05a8
new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
522 for result in redirect.communicate(): |
49de899a05a8
new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
523 statekeeper.stdout.write(result or '') |
0
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parents:
diff
changeset
|
524 self.stdout.close() |
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parents:
diff
changeset
|
525 statekeeper.restore() |
52
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new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
526 |
0
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parents:
diff
changeset
|
527 return stop |
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parents:
diff
changeset
|
528 |
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parents:
diff
changeset
|
529 def pseudo_raw_input(self, prompt): |
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parents:
diff
changeset
|
530 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout""" |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
531 |
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parents:
diff
changeset
|
532 if self.use_rawinput: |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
533 try: |
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parents:
diff
changeset
|
534 line = raw_input(prompt) |
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parents:
diff
changeset
|
535 except EOFError: |
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parents:
diff
changeset
|
536 line = 'EOF' |
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parents:
diff
changeset
|
537 else: |
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parents:
diff
changeset
|
538 self.stdout.write(prompt) |
febfdc79550b
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parents:
diff
changeset
|
539 self.stdout.flush() |
febfdc79550b
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parents:
diff
changeset
|
540 line = self.stdin.readline() |
febfdc79550b
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parents:
diff
changeset
|
541 if not len(line): |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
542 line = 'EOF' |
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parents:
diff
changeset
|
543 else: |
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parents:
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changeset
|
544 if line[-1] == '\n': # this was always true in Cmd |
febfdc79550b
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parents:
diff
changeset
|
545 line = line[:-1] |
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parents:
diff
changeset
|
546 return line |
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parents:
diff
changeset
|
547 |
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parents:
diff
changeset
|
548 def cmdloop(self, intro=None): |
febfdc79550b
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parents:
diff
changeset
|
549 """Repeatedly issue a prompt, accept input, parse an initial prefix |
febfdc79550b
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parents:
diff
changeset
|
550 off the received input, and dispatch to action methods, passing them |
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parents:
diff
changeset
|
551 the remainder of the line as argument. |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
552 """ |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
553 |
febfdc79550b
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parents:
diff
changeset
|
554 # An almost perfect copy from Cmd; however, the pseudo_raw_input portion |
febfdc79550b
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parents:
diff
changeset
|
555 # has been split out so that it can be called separately |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
556 |
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parents:
diff
changeset
|
557 self.preloop() |
febfdc79550b
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parents:
diff
changeset
|
558 if self.use_rawinput and self.completekey: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
559 try: |
febfdc79550b
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parents:
diff
changeset
|
560 import readline |
febfdc79550b
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parents:
diff
changeset
|
561 self.old_completer = readline.get_completer() |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
562 readline.set_completer(self.complete) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
563 readline.parse_and_bind(self.completekey+": complete") |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
564 except ImportError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
565 pass |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
566 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
567 if intro is not None: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
568 self.intro = intro |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
569 if self.intro: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
570 self.stdout.write(str(self.intro)+"\n") |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
571 stop = None |
febfdc79550b
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parents:
diff
changeset
|
572 while not stop: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
573 if self.cmdqueue: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
574 line = self.cmdqueue.pop(0) |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
575 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
576 line = self.pseudo_raw_input(self.prompt) |
103 | 577 if (self.echo) and (isinstance(self.stdin, file)): |
578 self.stdout.write(line + '\n') | |
0
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
579 line = self.precmd(line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
580 stop = self.onecmd(line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
581 stop = self.postcmd(stop, line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
582 self.postloop() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
583 finally: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
584 if self.use_rawinput and self.completekey: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
585 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
586 import readline |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
587 readline.set_completer(self.old_completer) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
588 except ImportError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
589 pass |
43 | 590 return stop |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
591 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
592 def do_EOF(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
593 return True |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
594 do_eof = do_EOF |
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 def showParam(self, param): |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
597 param = param.strip().lower() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
598 if param in self.settable: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
599 val = getattr(self, param) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
600 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param)))) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
601 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
602 def do_quit(self, arg): |
43 | 603 return self._STOP_AND_EXIT |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
604 do_exit = do_quit |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
605 do_q = do_quit |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
606 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
607 def do_show(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
608 'Shows value of a parameter' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
609 if arg.strip(): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
610 self.showParam(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
611 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
612 for param in self.settable: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
613 self.showParam(param) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
614 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
615 def do_set(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
616 'Sets a parameter' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
617 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
618 paramName, val = arg.split(None, 1) |
133
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just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
619 paramName = paramName.strip().lower() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
620 if paramName not in self.settable: |
106 | 621 raise NotSettableError |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
622 currentVal = getattr(self, paramName) |
106 | 623 if (val[0] == val[-1]) and val[0] in ("'", '"'): |
624 val = val[1:-1] | |
625 else: | |
163
61a57c44cd93
ugh - parsing stripping command causes real trouble
catherine@dellzilla
parents:
162
diff
changeset
|
626 val = cast(currentVal, val) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
627 setattr(self, paramName, val) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
628 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
|
629 except (ValueError, AttributeError, NotSettableError), e: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
630 self.do_show(arg) |
182
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
631 do_set.__doc__ = '%s\nOne of: %s' % (do_set.__doc__, ', '.join(settable)) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
632 |
182
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
633 def do_pause(self, arg): |
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
634 'Displays the specified text then waits for the user to press RETURN.' |
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
635 raw_input(arg + '\n') |
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
636 |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
637 def do_shell(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
638 'execute a command as if at the OS prompt.' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
639 os.system(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
640 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
641 def do_history(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
642 """history [arg]: lists past commands issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
643 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
644 no arg -> list all |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
645 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
646 arg is string -> string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
647 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
648 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
649 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
650 history = self.history.get(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
651 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
652 history = self.history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
653 for hi in history: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
654 self.stdout.write(hi.pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
655 def last_matching(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
656 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
657 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
658 return self.history.get(arg)[-1] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
659 else: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
660 return self.history[-1] |
133
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parents:
126
diff
changeset
|
661 except IndexError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
662 return None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
663 def do_list(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
664 """list [arg]: lists last command issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
665 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
666 no arg -> list absolute last |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
667 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
668 - arg, arg - (integer) -> list up to or after #arg |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
669 arg is string -> list last command matching string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
670 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
671 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
672 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
673 self.stdout.write(self.last_matching(arg).pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
674 except: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
675 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
676 do_hi = do_history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
677 do_l = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
678 do_li = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
679 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
680 def do_ed(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
681 """ed: edit most recent command in text editor |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
682 ed [N]: edit numbered command from history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
683 ed [filename]: edit specified file name |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
684 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
685 commands are run after editor is closed. |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
686 "set edit (program-name)" or set EDITOR environment variable |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
687 to control which editing program is used.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
688 if not self.editor: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
689 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
|
690 return |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
691 filename = self.defaultFileName |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
692 if arg: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
693 try: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
694 buffer = self.last_matching(int(arg)) |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
695 except ValueError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
696 filename = arg |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
697 buffer = '' |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
698 else: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
699 buffer = self.history[-1] |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
700 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
701 if buffer: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
702 f = open(filename, 'w') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
703 f.write(buffer or '') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
704 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
705 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
706 os.system('%s %s' % (self.editor, filename)) |
48 | 707 self.do__load(filename) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
708 do_edit = do_ed |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
709 |
91 | 710 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") + |
157 | 711 pyparsing.Optional(pyparsing.Word(legalChars + '/\\'))("fname") + |
91 | 712 pyparsing.stringEnd) |
713 def do_save(self, arg): | |
714 """`save [N] [filename.ext]` | |
715 Saves command from history to file. | |
716 N => Number of command (from history), or `*`; | |
717 most recent command if omitted""" | |
718 | |
719 try: | |
720 args = self.saveparser.parseString(arg) | |
721 except pyparsing.ParseException: | |
722 print self.do_save.__doc__ | |
723 return | |
724 fname = args.fname or self.defaultFileName | |
725 if args.idx == '*': | |
726 saveme = '\n\n'.join(self.history[:]) | |
727 elif args.idx: | |
728 saveme = self.history[int(args.idx)-1] | |
729 else: | |
730 saveme = self.history[-1] | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
731 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
732 f = open(fname, 'w') |
91 | 733 f.write(saveme) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
734 f.close() |
91 | 735 print 'Saved to %s' % (fname) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
736 except Exception, e: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
737 print 'Error saving %s: %s' % (fname, str(e)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
738 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
739 def do_load(self, fname=None): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
740 """Runs command(s) from a file.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
741 if fname is None: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
742 fname = self.defaultFileName |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
743 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt')) |
41 | 744 if isinstance(fname, file): |
745 self.stdin = fname | |
746 else: | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
747 try: |
41 | 748 self.stdin = open(fname, 'r') |
749 except IOError, e: | |
750 try: | |
751 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r') | |
752 except IOError: | |
753 print 'Problem opening file %s: \n%s' % (fname, e) | |
754 keepstate.restore() | |
755 return | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
756 self.use_rawinput = False |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
757 self.prompt = self.continuationPrompt = '' |
42 | 758 stop = self.cmdloop() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
759 self.stdin.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
760 keepstate.restore() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
761 self.lastcmd = '' |
48 | 762 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT |
763 do__load = do_load # avoid an unfortunate legacy use of do_load from sqlpython | |
43 | 764 |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
765 def do_run(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
766 """run [arg]: re-runs an earlier command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
767 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
768 no arg -> run most recent command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
769 arg is integer -> run one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
770 arg is string -> run most recent command by string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
771 arg is /enclosed in forward-slashes/ -> run most recent by regex |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
772 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
773 'run [N]: runs the SQL that was run N commands ago' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
774 runme = self.last_matching(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
775 print runme |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
776 if runme: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
777 runme = self.precmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
778 stop = self.onecmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
779 stop = self.postcmd(stop, runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
780 do_r = do_run |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
781 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
782 def fileimport(self, statement, source): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
783 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
784 f = open(source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
785 except IOError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
786 self.stdout.write("Couldn't read from file %s\n" % source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
787 return '' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
788 data = f.read() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
789 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
790 return data |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
791 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
792 class HistoryItem(str): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
793 def __init__(self, instr): |
121
fe432d010ecc
going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents:
119
diff
changeset
|
794 str.__init__(self) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
795 self.lowercase = self.lower() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
796 self.idx = None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
797 def pr(self): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
798 return '-------------------------[%d]\n%s\n' % (self.idx, str(self)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
799 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
800 class History(list): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
801 rangeFrom = re.compile(r'^([\d])+\s*\-$') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
802 def append(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
803 new = HistoryItem(new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
804 list.append(self, new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
805 new.idx = len(self) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
806 def extend(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
807 for n in new: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
808 self.append(n) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
809 def get(self, getme): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
810 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
811 getme = int(getme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
812 if getme < 0: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
813 return self[:(-1 * getme)] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
814 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
815 return [self[getme-1]] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
816 except IndexError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
817 return [] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
818 except (ValueError, TypeError): |
febfdc79550b
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parents:
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changeset
|
819 getme = getme.strip() |
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|
820 mtch = self.rangeFrom.search(getme) |
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parents:
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821 if mtch: |
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parents:
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822 return self[(int(mtch.group(1))-1):] |
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|
823 if getme.startswith(r'/') and getme.endswith(r'/'): |
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catherine@DellZilla.myhome.westell.com
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|
824 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE) |
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|
825 def isin(hi): |
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826 return finder.search(hi) |
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parents:
diff
changeset
|
827 else: |
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parents:
diff
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|
828 def isin(hi): |
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diff
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|
829 return (getme.lower() in hi.lowercase) |
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830 return [itm for itm in self if isin(itm)] |
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|
831 |
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diff
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|
832 class NotSettableError(Exception): |
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parents:
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833 pass |
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diff
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|
834 |
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|
835 def cast(current, new): |
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|
836 """Tries to force a new value into the same type as the current.""" |
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837 typ = type(current) |
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|
838 if typ == bool: |
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parents:
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|
839 try: |
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|
840 return bool(int(new)) |
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|
841 except ValueError, TypeError: |
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|
842 pass |
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parents:
diff
changeset
|
843 try: |
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changeset
|
844 new = new.lower() |
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diff
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|
845 except: |
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diff
changeset
|
846 pass |
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|
847 if (new=='on') or (new[0] in ('y','t')): |
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diff
changeset
|
848 return True |
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|
849 if (new=='off') or (new[0] in ('n','f')): |
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|
850 return False |
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diff
changeset
|
851 else: |
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parents:
diff
changeset
|
852 try: |
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parents:
diff
changeset
|
853 return typ(new) |
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parents:
diff
changeset
|
854 except: |
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parents:
diff
changeset
|
855 pass |
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parents:
diff
changeset
|
856 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new) |
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parents:
diff
changeset
|
857 return current |
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parents:
diff
changeset
|
858 |
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parents:
diff
changeset
|
859 class Statekeeper(object): |
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parents:
diff
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|
860 def __init__(self, obj, attribs): |
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parents:
diff
changeset
|
861 self.obj = obj |
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parents:
diff
changeset
|
862 self.attribs = attribs |
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parents:
diff
changeset
|
863 self.save() |
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parents:
diff
changeset
|
864 def save(self): |
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parents:
diff
changeset
|
865 for attrib in self.attribs: |
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parents:
diff
changeset
|
866 setattr(self, attrib, getattr(self.obj, attrib)) |
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parents:
diff
changeset
|
867 def restore(self): |
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parents:
diff
changeset
|
868 for attrib in self.attribs: |
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moved repository to Assembla
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parents:
diff
changeset
|
869 setattr(self.obj, attrib, getattr(self, attrib)) |
79
f583663c610f
switch to pyparsing worked
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parents:
56
diff
changeset
|
870 |
104 | 871 class Borg(object): |
872 '''All instances of any Borg subclass will share state. | |
873 from Python Cookbook, 2nd Ed., recipe 6.16''' | |
874 _shared_state = {} | |
875 def __new__(cls, *a, **k): | |
876 obj = object.__new__(cls, *a, **k) | |
877 obj.__dict__ = cls._shared_state | |
878 return obj | |
879 | |
880 class OutputTrap(Borg): | |
881 '''Instantiate an OutputTrap to divert/capture ALL stdout output. For use in unit testing. | |
882 Call `tearDown()` to return to normal output.''' | |
883 def __init__(self): | |
105 | 884 self.old_stdout = sys.stdout |
104 | 885 self.trap = tempfile.TemporaryFile() |
886 sys.stdout = self.trap | |
105 | 887 def read(self): |
104 | 888 self.trap.seek(0) |
889 result = self.trap.read() | |
105 | 890 self.trap.truncate(0) |
891 return result.strip('\x00') | |
104 | 892 def tearDown(self): |
893 sys.stdout = self.old_stdout | |
894 | |
895 class Cmd2TestCase(unittest.TestCase): | |
896 '''Subclass this, setting CmdApp and transcriptFileName, to make a unittest.TestCase class | |
109 | 897 that will execute the commands in transcriptFileName and expect the results shown. |
898 See example.py''' | |
104 | 899 CmdApp = None |
900 transcriptFileName = '' | |
901 def setUp(self): | |
902 if self.CmdApp: | |
105 | 903 self.outputTrap = OutputTrap() |
104 | 904 self.cmdapp = self.CmdApp() |
173 | 905 try: |
906 tfile = open(self.transcriptFileName) | |
180 | 907 self.transcript = iter(tfile.readlines()) |
173 | 908 tfile.close() |
909 except IOError: | |
910 self.transcript = [] | |
181
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180
diff
changeset
|
911 def assertEqualEnough(self, got, expected, message): |
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diff
changeset
|
912 got = got.strip().splitlines() |
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parents:
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diff
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|
913 expected = expected.strip().splitlines() |
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diff
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|
914 self.assertEqual(len(got), len(expected), message) |
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diff
changeset
|
915 for (linegot, lineexpected) in zip(got, expected): |
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diff
changeset
|
916 matchme = re.escape(lineexpected.strip()).replace('\\*', '.*'). \ |
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parents:
180
diff
changeset
|
917 replace('\\ ', ' ') |
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parents:
180
diff
changeset
|
918 self.assert_(re.match(matchme, linegot.strip()), message) |
104 | 919 def testall(self): |
180 | 920 if self.CmdApp: |
921 lineNum = 0 | |
922 try: | |
923 line = self.transcript.next() | |
924 while True: | |
925 while not line.startswith(self.cmdapp.prompt): | |
926 line = self.transcript.next() | |
927 command = [line[len(self.cmdapp.prompt):]] | |
928 line = self.transcript.next() | |
929 while line.startswith(self.cmdapp.continuationPrompt): | |
930 command.append(line[len(self.cmdapp.continuationPrompt):]) | |
931 line = self.transcript.next() | |
932 command = ''.join(command) | |
933 self.cmdapp.onecmd(command) | |
934 result = self.outputTrap.read() | |
935 if line.startswith(self.cmdapp.prompt): | |
181
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180
diff
changeset
|
936 self.assertEqualEnough(result.strip(), '', |
180 | 937 '\nFile %s, line %d\nCommand was:\n%s\nExpected: (nothing) \nGot:\n%s\n' % |
938 (self.transcriptFileName, lineNum, command, result)) | |
939 continue | |
940 expected = [] | |
941 while not line.startswith(self.cmdapp.prompt): | |
942 expected.append(line) | |
943 line = self.transcript.next() | |
944 expected = ''.join(expected) | |
181
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catherine@Elli.myhome.westell.com
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180
diff
changeset
|
945 self.assertEqualEnough(expected.strip(), result.strip(), |
180 | 946 '\nFile %s, line %d\nCommand was:\n%s\nExpected:\n%s\nGot:\n%s\n' % |
947 (self.transcriptFileName, lineNum, command, expected, result)) | |
948 # this needs to account for a line-by-line strip()ping | |
949 except StopIteration: | |
950 pass | |
951 # catch the final output? | |
104 | 952 def tearDown(self): |
953 if self.CmdApp: | |
954 self.outputTrap.tearDown() | |
955 | |
79
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switch to pyparsing worked
catherine@Elli.myhome.westell.com
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56
diff
changeset
|
956 if __name__ == '__main__': |
158 | 957 doctest.testmod(optionflags = doctest.NORMALIZE_WHITESPACE) |
958 #c = Cmd() |