Mercurial > python-cmd2
annotate cmd2.py @ 190:51c15fe803a4
synch
author | catherine@Elli.myhome.westell.com |
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date | Thu, 12 Feb 2009 04:27:39 -0500 |
parents | 06119abd352e |
children | 9d9e9ea88daf |
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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 |
189 | 29 __version__ = '0.4.5' |
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 |
187 | 46 def remainingArgs(oldArgs, newArgList): |
47 ''' | |
48 >>> remainingArgs('-f bar bar cow', ['bar', 'cow']) | |
49 'bar cow' | |
50 ''' | |
189 | 51 pattern = '\s+'.join(re.escape(a) for a in newArgList) + '\s*$' |
187 | 52 matchObj = re.search(pattern, oldArgs) |
53 return oldArgs[matchObj.start():] | |
54 | |
10 | 55 def options(option_list): |
56 def option_setup(func): | |
11 | 57 optionParser = OptionParser() |
10 | 58 for opt in option_list: |
59 optionParser.add_option(opt) | |
12 | 60 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_')) |
10 | 61 def newFunc(instance, arg): |
62 try: | |
190 | 63 opts, newArgList = optionParser.parse_args(arg.split()) # doesn't understand quoted strings shouldn't be dissected! |
64 newArgs = remainingArgs(arg, newArgList) # should it permit flags after args? | |
20 | 65 except (optparse.OptionValueError, optparse.BadOptionError, |
66 optparse.OptionError, optparse.AmbiguousOptionError, | |
67 optparse.OptionConflictError), e: | |
10 | 68 print e |
69 optionParser.print_help() | |
38 | 70 return |
71 if hasattr(opts, '_exit'): | |
72 return None | |
187 | 73 terminator = arg.parsed.terminator |
74 try: | |
75 if arg.parsed.terminator[0] == '\n': | |
76 terminator = arg.parsed.terminator[0] | |
77 except IndexError: | |
78 pass | |
79 arg = arg.parser('%s %s%s%s' % (arg.parsed.command, newArgs, terminator, arg.parsed.suffix)) | |
37
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80 result = func(instance, arg, opts) |
159 | 81 return result |
10 | 82 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help()) |
83 return newFunc | |
84 return option_setup | |
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85 |
27 | 86 class PasteBufferError(EnvironmentError): |
87 if sys.platform[:3] == 'win': | |
88 errmsg = """Redirecting to or from paste buffer requires pywin32 | |
89 to be installed on operating system. | |
90 Download from http://sourceforge.net/projects/pywin32/""" | |
91 else: | |
92 errmsg = """Redirecting to or from paste buffer requires xclip | |
93 to be installed on operating system. | |
94 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it.""" | |
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95 def __init__(self): |
27 | 96 Exception.__init__(self, self.errmsg) |
97 | |
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98 '''check here if functions exist; otherwise, stub out''' |
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99 pastebufferr = """Redirecting to or from paste buffer requires %s |
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100 to be installed on operating system. |
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101 %s""" |
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102 if subprocess.mswindows: |
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103 try: |
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104 import win32clipboard |
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105 def getPasteBuffer(): |
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106 win32clipboard.OpenClipboard(0) |
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107 try: |
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108 result = win32clipboard.GetClipboardData() |
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109 except TypeError: |
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110 result = '' #non-text |
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111 win32clipboard.CloseClipboard() |
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112 return result |
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113 def writeToPasteBuffer(txt): |
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114 win32clipboard.OpenClipboard(0) |
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115 win32clipboard.EmptyClipboard() |
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116 win32clipboard.SetClipboardText(txt) |
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117 win32clipboard.CloseClipboard() |
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118 except ImportError: |
106 | 119 def getPasteBuffer(*args): |
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120 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/') |
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121 setPasteBuffer = getPasteBuffer |
27 | 122 else: |
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123 can_clip = False |
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124 try: |
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125 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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126 can_clip = True |
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127 except AttributeError: # check_call not defined, Python < 2.5 |
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128 teststring = 'Testing for presence of xclip.' |
31 | 129 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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130 xclipproc.stdin.write(teststring) |
31 | 131 xclipproc.stdin.close() |
132 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
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133 if xclipproc.stdout.read() == teststring: |
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134 can_clip = True |
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135 except (subprocess.CalledProcessError, OSError, IOError): |
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136 pass |
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137 if can_clip: |
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138 def getPasteBuffer(): |
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139 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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140 return xclipproc.stdout.read() |
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141 def writeToPasteBuffer(txt): |
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142 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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143 xclipproc.stdin.write(txt) |
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144 xclipproc.stdin.close() |
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145 # but we want it in both the "primary" and "mouse" clipboards |
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146 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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147 xclipproc.stdin.write(txt) |
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148 xclipproc.stdin.close() |
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149 else: |
106 | 150 def getPasteBuffer(*args): |
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151 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"') |
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152 setPasteBuffer = getPasteBuffer |
106 | 153 writeToPasteBuffer = getPasteBuffer |
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154 |
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155 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t') |
159 | 156 ''' |
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157 def parseSearchResults(pattern, s): |
81 | 158 generator = pattern.scanString(s) |
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159 try: |
81 | 160 result, start, stop = generator.next() |
161 result['before'], result['after'] = s[:start], s[stop:] | |
82 | 162 result['upToIncluding'] = s[:stop] |
81 | 163 except StopIteration: |
164 result = pyparsing.ParseResults('') | |
165 result['before'] = s | |
166 return result | |
159 | 167 ''' |
154 | 168 |
169 def replaceInput(source): | |
170 if source: | |
171 newinput = open(source[0], 'r').read() | |
172 else: | |
173 newinput = getPasteBuffer() | |
174 | |
175 try: | |
176 if statement.inputFrom: | |
177 newinput = open(statement.inputFrom, 'r').read() | |
178 else: | |
179 newinput = getPasteBuffer() | |
180 except (OSError,), e: | |
181 print e | |
182 return 0 | |
183 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:] | |
184 return self.onecmd('%s%s%s' % (statement.fullStatement[:start], | |
185 newinput, statement.fullStatement[end:])) | |
186 | |
157 | 187 class ParsedString(str): |
188 pass | |
189 | |
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190 class Cmd(cmd.Cmd): |
103 | 191 echo = False |
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192 caseInsensitive = True |
157 | 193 continuationPrompt = '> ' |
166
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194 legalChars = '!#$%.:?@_' + pyparsing.alphanums + pyparsing.alphas8bit # make sure your terminators are not in here! |
137 | 195 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' } |
106 | 196 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split() |
197 noSpecialParse = 'set ed edit exit'.split() | |
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198 defaultExtension = 'txt' |
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199 defaultFileName = 'command.txt' |
170
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200 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo'] |
169 | 201 |
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202 editor = os.environ.get('EDITOR') |
42 | 203 _STOP_AND_EXIT = 2 |
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204 if not editor: |
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205 if sys.platform[:3] == 'win': |
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206 editor = 'notepad' |
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207 else: |
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208 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']: |
47 | 209 if not os.system('which %s' % (editor)): |
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210 break |
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211 |
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212 def do_cmdenvironment(self, args): |
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213 self.stdout.write(""" |
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214 Commands are %(casesensitive)scase-sensitive. |
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215 Commands may be terminated with: %(terminators)s |
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216 Settable parameters: %(settable)s |
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217 """ % |
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218 { 'casesensitive': ('not ' and self.caseInsensitive) or '', |
171 | 219 'terminators': str(self.terminators), |
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220 'settable': ' '.join(self.settable) |
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221 }) |
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222 |
10 | 223 def do_help(self, arg): |
224 cmd.Cmd.do_help(self, arg) | |
225 try: | |
226 fn = getattr(self, 'do_' + arg) | |
227 if fn and fn.optionParser: | |
228 fn.optionParser.print_help(file=self.stdout) | |
229 except AttributeError: | |
230 pass | |
231 | |
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232 def __init__(self, *args, **kwargs): |
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233 cmd.Cmd.__init__(self, *args, **kwargs) |
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234 self.history = History() |
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235 self._init_parser() |
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236 |
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237 def do_shortcuts(self, args): |
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238 """Lists single-key shortcuts available.""" |
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239 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items()) |
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240 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result)) |
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241 |
137 | 242 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment]) |
153 | 243 commentGrammars.addParseAction(lambda x: '') |
136 | 244 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd) |
171 | 245 terminators = [';'] |
246 blankLinesAllowed = False | |
153 | 247 multilineCommands = [] |
152
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248 |
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249 def _init_parser(self): |
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250 r''' |
146 | 251 >>> c = Cmd() |
153 | 252 >>> c.multilineCommands = ['multiline'] |
253 >>> c.caseInsensitive = True | |
254 >>> c._init_parser() | |
158 | 255 >>> print c.parser.parseString('').dump() |
256 [] | |
257 >>> print c.parser.parseString('/* empty command */').dump() | |
258 [] | |
259 >>> print c.parser.parseString('plainword').dump() | |
260 ['plainword', ''] | |
261 - command: plainword | |
262 - statement: ['plainword', ''] | |
263 - command: plainword | |
157 | 264 >>> print c.parser.parseString('termbare;').dump() |
158 | 265 ['termbare', '', ';', ''] |
266 - command: termbare | |
267 - statement: ['termbare', '', ';'] | |
268 - command: termbare | |
269 - terminator: ; | |
270 - terminator: ; | |
157 | 271 >>> print c.parser.parseString('termbare; suffx').dump() |
158 | 272 ['termbare', '', ';', 'suffx'] |
273 - command: termbare | |
274 - statement: ['termbare', '', ';'] | |
275 - command: termbare | |
276 - terminator: ; | |
277 - suffix: suffx | |
278 - terminator: ; | |
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279 >>> print c.parser.parseString('barecommand').dump() |
153 | 280 ['barecommand', ''] |
281 - command: barecommand | |
282 - statement: ['barecommand', ''] | |
283 - command: barecommand | |
284 >>> print c.parser.parseString('COMmand with args').dump() | |
157 | 285 ['command', 'with args'] |
286 - args: with args | |
153 | 287 - command: command |
157 | 288 - statement: ['command', 'with args'] |
289 - args: with args | |
153 | 290 - command: command |
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291 >>> print c.parser.parseString('command with args and terminator; and suffix').dump() |
158 | 292 ['command', 'with args and terminator', ';', 'and suffix'] |
153 | 293 - args: with args and terminator |
294 - command: command | |
295 - statement: ['command', 'with args and terminator', ';'] | |
296 - args: with args and terminator | |
297 - command: command | |
298 - terminator: ; | |
158 | 299 - suffix: and suffix |
300 - terminator: ; | |
153 | 301 >>> print c.parser.parseString('simple | piped').dump() |
157 | 302 ['simple', '', '|', ' piped'] |
153 | 303 - command: simple |
157 | 304 - pipeTo: piped |
153 | 305 - statement: ['simple', ''] |
306 - command: simple | |
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307 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump() |
157 | 308 ['command', 'with args, terminator', ';', 'sufx', '|', ' piped'] |
153 | 309 - args: with args, terminator |
310 - command: command | |
157 | 311 - pipeTo: piped |
153 | 312 - statement: ['command', 'with args, terminator', ';'] |
313 - args: with args, terminator | |
314 - command: command | |
315 - terminator: ; | |
316 - suffix: sufx | |
155 | 317 - terminator: ; |
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318 >>> print c.parser.parseString('output into > afile.txt').dump() |
157 | 319 ['output', 'into', '>', 'afile.txt'] |
153 | 320 - args: into |
321 - command: output | |
322 - output: > | |
155 | 323 - outputTo: afile.txt |
157 | 324 - statement: ['output', 'into'] |
325 - args: into | |
326 - command: output | |
327 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump() | |
328 ['output', 'into', ';', 'sufx', '|', ' pipethrume plz', '>', 'afile.txt'] | |
329 - args: into | |
330 - command: output | |
331 - output: > | |
332 - outputTo: afile.txt | |
333 - pipeTo: pipethrume plz | |
153 | 334 - statement: ['output', 'into', ';'] |
335 - args: into | |
336 - command: output | |
337 - terminator: ; | |
338 - suffix: sufx | |
339 - terminator: ; | |
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340 >>> print c.parser.parseString('output to paste buffer >> ').dump() |
157 | 341 ['output', 'to paste buffer', '>>', ''] |
342 - args: to paste buffer | |
153 | 343 - command: output |
344 - output: >> | |
157 | 345 - statement: ['output', 'to paste buffer'] |
346 - args: to paste buffer | |
153 | 347 - command: output |
152
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348 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump() |
153 | 349 ['ignore', 'the /* commented | > */ stuff', ';', ''] |
350 - args: the /* commented | > */ stuff | |
351 - command: ignore | |
352 - statement: ['ignore', 'the /* commented | > */ stuff', ';'] | |
353 - args: the /* commented | > */ stuff | |
354 - command: ignore | |
355 - terminator: ; | |
356 - terminator: ; | |
357 >>> print c.parser.parseString('has > inside;').dump() | |
358 ['has', '> inside', ';', ''] | |
359 - args: > inside | |
360 - command: has | |
361 - statement: ['has', '> inside', ';'] | |
362 - args: > inside | |
363 - command: has | |
364 - terminator: ; | |
365 - terminator: ; | |
366 >>> print c.parser.parseString('multiline has > inside an unfinished command').dump() | |
173 | 367 ['multiline', ' has > inside an unfinished command'] |
153 | 368 - multilineCommand: multiline |
369 >>> print c.parser.parseString('multiline has > inside;').dump() | |
370 ['multiline', 'has > inside', ';', ''] | |
371 - args: has > inside | |
372 - multilineCommand: multiline | |
373 - statement: ['multiline', 'has > inside', ';'] | |
374 - args: has > inside | |
375 - multilineCommand: multiline | |
376 - terminator: ; | |
377 - terminator: ; | |
378 >>> print c.parser.parseString('multiline command /* with comment in progress;').dump() | |
173 | 379 ['multiline', ' command /* with comment in progress;'] |
153 | 380 - multilineCommand: multiline |
381 >>> print c.parser.parseString('multiline command /* with comment complete */ is done;').dump() | |
382 ['multiline', 'command /* with comment complete */ is done', ';', ''] | |
383 - args: command /* with comment complete */ is done | |
384 - multilineCommand: multiline | |
385 - statement: ['multiline', 'command /* with comment complete */ is done', ';'] | |
386 - args: command /* with comment complete */ is done | |
387 - multilineCommand: multiline | |
388 - terminator: ; | |
158 | 389 - terminator: ; |
186 | 390 >>> print c.parser.parseString('multiline command ends\n\n').dump() |
391 ['multiline', 'command ends', '\n', '\n'] | |
392 - args: command ends | |
393 - multilineCommand: multiline | |
394 - statement: ['multiline', 'command ends', '\n', '\n'] | |
395 - args: command ends | |
396 - multilineCommand: multiline | |
397 - terminator: ['\n', '\n'] | |
398 - terminator: ['\n', '\n'] | |
153 | 399 ''' |
146 | 400 outputParser = pyparsing.oneOf(['>>','>'])('output') |
171 | 401 terminatorParser = pyparsing.Or([(hasattr(t, 'parseString') and t) or pyparsing.Literal(t) for t in self.terminators])('terminator') |
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402 stringEnd = pyparsing.stringEnd ^ '\nEOF' |
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403 self.multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand') |
186 | 404 oneLineCommand = (~self.multilineCommand + pyparsing.Word(self.legalChars))('command') |
160 | 405 pipe = pyparsing.Keyword('|', identChars='|') |
168 | 406 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '') |
407 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment) | |
153 | 408 afterElements = \ |
160 | 409 pyparsing.Optional(pipe + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeTo')) + \ |
155 | 410 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd).setParseAction(lambda x: x[0].strip())('outputTo')) |
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411 if self.caseInsensitive: |
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412 self.multilineCommand.setParseAction(lambda x: x[0].lower()) |
153 | 413 oneLineCommand.setParseAction(lambda x: x[0].lower()) |
171 | 414 if self.blankLinesAllowed: |
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415 self.blankLineTerminationParser = pyparsing.NoMatch |
171 | 416 else: |
186 | 417 self.blankLineTerminator = (pyparsing.lineEnd + pyparsing.lineEnd)('terminator') |
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418 self.blankLineTerminator.setResultsName('terminator') |
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419 self.blankLineTerminationParser = ((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(self.blankLineTerminator).setParseAction(lambda x: x[0].strip())('args') + self.blankLineTerminator)('statement') |
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420 self.multilineParser = (((self.multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') + |
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421 pyparsing.SkipTo(outputParser ^ pipe ^ stringEnd).setParseAction(lambda x: x[0].strip())('suffix') + afterElements) |
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422 self.singleLineParser = ((oneLineCommand + pyparsing.SkipTo(terminatorParser ^ stringEnd ^ pipe ^ outputParser).setParseAction(lambda x:x[0].strip())('args'))('statement') + |
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423 pyparsing.Optional(terminatorParser) + afterElements) |
186 | 424 #self.multilineParser = self.multilineParser.setResultsName('multilineParser') |
425 #self.singleLineParser = self.singleLineParser.setResultsName('singleLineParser') | |
426 #self.blankLineTerminationParser = self.blankLineTerminationParser.setResultsName('blankLineTerminatorParser') | |
153 | 427 self.parser = ( |
173 | 428 stringEnd | |
184
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429 self.multilineParser | |
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430 self.singleLineParser | |
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431 self.blankLineTerminationParser | |
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432 self.multilineCommand + pyparsing.SkipTo(stringEnd) |
153 | 433 ) |
169 | 434 self.parser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) |
435 | |
154 | 436 inputMark = pyparsing.Literal('<') |
437 inputMark.setParseAction(lambda x: '') | |
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438 inputFrom = pyparsing.Word(self.legalChars + '/\\')('inputFrom') |
154 | 439 inputFrom.setParseAction(lambda x: (x and open(x[0]).read()) or getPasteBuffer()) |
440 self.inputParser = inputMark + pyparsing.Optional(inputFrom) | |
441 self.inputParser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) | |
153 | 442 |
165 | 443 def parsed(self, raw, **kwargs): |
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444 if isinstance(raw, ParsedString): |
165 | 445 p = raw |
446 else: | |
171 | 447 s = self.inputParser.transformString(raw.lstrip()) |
165 | 448 for (shortcut, expansion) in self.shortcuts.items(): |
449 if s.startswith(shortcut): | |
450 s = s.replace(shortcut, expansion + ' ', 1) | |
451 break | |
452 result = self.parser.parseString(s) | |
453 result['command'] = result.multilineCommand or result.command | |
454 result['raw'] = raw | |
455 result['clean'] = self.commentGrammars.transformString(result.args) | |
456 result['expanded'] = s | |
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457 p = ParsedString(result.clean) |
165 | 458 p.parsed = result |
459 p.parser = self.parsed | |
460 for (key, val) in kwargs.items(): | |
461 p.parsed[key] = val | |
157 | 462 return p |
463 | |
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464 def onecmd(self, line): |
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465 """Interpret the argument as though it had been typed in response |
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466 to the prompt. |
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467 |
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468 This may be overridden, but should not normally need to be; |
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469 see the precmd() and postcmd() methods for useful execution hooks. |
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470 The return value is a flag indicating whether interpretation of |
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471 commands by the interpreter should stop. |
157 | 472 |
473 This (`cmd2`) version of `onecmd` already override's `cmd`'s `onecmd`. | |
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474 |
3 | 475 """ |
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476 if not line: |
157 | 477 return self.emptyline() |
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478 if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line): |
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479 return 0 # command was empty except for comments |
154 | 480 try: |
481 statement = self.parsed(line) | |
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482 while statement.parsed.multilineCommand and (statement.parsed.terminator == ''): |
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483 statement = self.parsed('%s\n%s' % (statement.parsed.raw, |
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484 self.pseudo_raw_input(self.continuationPrompt))) |
154 | 485 except Exception, e: |
486 print e | |
487 return 0 | |
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488 |
177 | 489 if not statement.parsed.command: |
175 | 490 return 0 |
491 | |
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492 statekeeper = None |
25 | 493 stop = 0 |
154 | 494 |
157 | 495 if statement.parsed.pipeTo: |
496 redirect = subprocess.Popen(statement.parsed.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
51 | 497 statekeeper = Statekeeper(self, ('stdout',)) |
47 | 498 self.stdout = redirect.stdin |
157 | 499 elif statement.parsed.output: |
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500 statekeeper = Statekeeper(self, ('stdout',)) |
157 | 501 if statement.parsed.outputTo: |
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502 mode = 'w' |
157 | 503 if statement.parsed.output == '>>': |
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504 mode = 'a' |
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505 try: |
157 | 506 self.stdout = open(statement.parsed.outputTo, mode) |
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507 except OSError, e: |
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508 print e |
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509 return 0 |
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510 else: |
51 | 511 statekeeper = Statekeeper(self, ('stdout',)) |
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512 self.stdout = tempfile.TemporaryFile() |
157 | 513 if statement.parsed.output == '>>': |
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514 self.stdout.write(getPasteBuffer()) |
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515 try: |
157 | 516 # "heart" of the command, replace's cmd's onecmd() |
517 self.lastcmd = statement.parsed.expanded | |
518 try: | |
519 func = getattr(self, 'do_' + statement.parsed.command) | |
520 except AttributeError: | |
521 return self.default(statement) | |
522 stop = func(statement) | |
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parents:
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diff
changeset
|
523 except Exception, e: |
31674148b13c
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parents:
126
diff
changeset
|
524 print e |
0
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parents:
diff
changeset
|
525 try: |
157 | 526 if statement.parsed.command not in self.excludeFromHistory: |
527 self.history.append(statement.parsed.raw) | |
0
febfdc79550b
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parents:
diff
changeset
|
528 finally: |
febfdc79550b
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parents:
diff
changeset
|
529 if statekeeper: |
157 | 530 if statement.parsed.output and not statement.parsed.outputTo: |
27 | 531 self.stdout.seek(0) |
134
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incorporated changes from branch at work
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parents:
133
diff
changeset
|
532 try: |
c28ae4f75c15
incorporated changes from branch at work
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parents:
133
diff
changeset
|
533 writeToPasteBuffer(self.stdout.read()) |
c28ae4f75c15
incorporated changes from branch at work
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parents:
133
diff
changeset
|
534 except Exception, e: |
c28ae4f75c15
incorporated changes from branch at work
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parents:
133
diff
changeset
|
535 print str(e) |
157 | 536 elif statement.parsed.pipeTo: |
52
49de899a05a8
new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
537 for result in redirect.communicate(): |
49de899a05a8
new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
538 statekeeper.stdout.write(result or '') |
0
febfdc79550b
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parents:
diff
changeset
|
539 self.stdout.close() |
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parents:
diff
changeset
|
540 statekeeper.restore() |
52
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new unified pipe and redirect works on wc
catherine@localhost
parents:
51
diff
changeset
|
541 |
0
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
542 return stop |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
543 |
febfdc79550b
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parents:
diff
changeset
|
544 def pseudo_raw_input(self, prompt): |
febfdc79550b
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parents:
diff
changeset
|
545 """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
|
546 |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
547 if self.use_rawinput: |
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parents:
diff
changeset
|
548 try: |
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parents:
diff
changeset
|
549 line = raw_input(prompt) |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
550 except EOFError: |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
551 line = 'EOF' |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
552 else: |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
553 self.stdout.write(prompt) |
febfdc79550b
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parents:
diff
changeset
|
554 self.stdout.flush() |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
555 line = self.stdin.readline() |
febfdc79550b
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parents:
diff
changeset
|
556 if not len(line): |
febfdc79550b
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parents:
diff
changeset
|
557 line = 'EOF' |
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parents:
diff
changeset
|
558 else: |
febfdc79550b
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parents:
diff
changeset
|
559 if line[-1] == '\n': # this was always true in Cmd |
febfdc79550b
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parents:
diff
changeset
|
560 line = line[:-1] |
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parents:
diff
changeset
|
561 return line |
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parents:
diff
changeset
|
562 |
febfdc79550b
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parents:
diff
changeset
|
563 def cmdloop(self, intro=None): |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
564 """Repeatedly issue a prompt, accept input, parse an initial prefix |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
565 off the received input, and dispatch to action methods, passing them |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
566 the remainder of the line as argument. |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
567 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
568 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
569 # An almost perfect copy from Cmd; however, the pseudo_raw_input portion |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
570 # has been split out so that it can be called separately |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
571 |
febfdc79550b
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
572 self.preloop() |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
573 if self.use_rawinput and self.completekey: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
574 try: |
febfdc79550b
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parents:
diff
changeset
|
575 import readline |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
576 self.old_completer = readline.get_completer() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
577 readline.set_completer(self.complete) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
578 readline.parse_and_bind(self.completekey+": complete") |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
579 except ImportError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
580 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
581 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
582 if intro is not None: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
583 self.intro = intro |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
584 if self.intro: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
585 self.stdout.write(str(self.intro)+"\n") |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
586 stop = None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
587 while not stop: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
588 if self.cmdqueue: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
589 line = self.cmdqueue.pop(0) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
590 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
591 line = self.pseudo_raw_input(self.prompt) |
103 | 592 if (self.echo) and (isinstance(self.stdin, file)): |
593 self.stdout.write(line + '\n') | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
594 line = self.precmd(line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
595 stop = self.onecmd(line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
596 stop = self.postcmd(stop, line) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
597 self.postloop() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
598 finally: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
599 if self.use_rawinput and self.completekey: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
600 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
601 import readline |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
602 readline.set_completer(self.old_completer) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
603 except ImportError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
604 pass |
43 | 605 return stop |
0
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_EOF(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
608 return True |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
609 do_eof = do_EOF |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
610 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
611 def showParam(self, param): |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
612 param = param.strip().lower() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
613 if param in self.settable: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
614 val = getattr(self, param) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
615 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param)))) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
616 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
617 def do_quit(self, arg): |
43 | 618 return self._STOP_AND_EXIT |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
619 do_exit = do_quit |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
620 do_q = do_quit |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
621 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
622 def do_show(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
623 'Shows value of a parameter' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
624 if arg.strip(): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
625 self.showParam(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
626 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
627 for param in self.settable: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
628 self.showParam(param) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
629 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
630 def do_set(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
631 'Sets a parameter' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
632 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
633 paramName, val = arg.split(None, 1) |
133
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just beginning to make comments work
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parents:
126
diff
changeset
|
634 paramName = paramName.strip().lower() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
635 if paramName not in self.settable: |
106 | 636 raise NotSettableError |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
637 currentVal = getattr(self, paramName) |
106 | 638 if (val[0] == val[-1]) and val[0] in ("'", '"'): |
639 val = val[1:-1] | |
640 else: | |
163
61a57c44cd93
ugh - parsing stripping command causes real trouble
catherine@dellzilla
parents:
162
diff
changeset
|
641 val = cast(currentVal, val) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
642 setattr(self, paramName, val) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
643 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
|
644 except (ValueError, AttributeError, NotSettableError), e: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
645 self.do_show(arg) |
182
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
646 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
|
647 |
182
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
648 def do_pause(self, arg): |
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
649 '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
|
650 raw_input(arg + '\n') |
1c21db096f49
switched literal newline to lineEnd
catherine@Elli.myhome.westell.com
parents:
181
diff
changeset
|
651 |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
652 def do_shell(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
653 'execute a command as if at the OS prompt.' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
654 os.system(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
655 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
656 def do_history(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
657 """history [arg]: lists past commands issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
658 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
659 no arg -> list all |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
660 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
661 arg is string -> string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
662 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
663 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
664 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
665 history = self.history.get(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
666 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
667 history = self.history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
668 for hi in history: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
669 self.stdout.write(hi.pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
670 def last_matching(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
671 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
672 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
673 return self.history.get(arg)[-1] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
674 else: |
febfdc79550b
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parents:
diff
changeset
|
675 return self.history[-1] |
133
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parents:
126
diff
changeset
|
676 except IndexError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
677 return None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
678 def do_list(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
679 """list [arg]: lists last command issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
680 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
681 no arg -> list absolute last |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
682 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
683 - arg, arg - (integer) -> list up to or after #arg |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
684 arg is string -> list last command matching string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
685 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
686 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
687 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
688 self.stdout.write(self.last_matching(arg).pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
689 except: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
690 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
691 do_hi = do_history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
692 do_l = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
693 do_li = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
694 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
695 def do_ed(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
696 """ed: edit most recent command in text editor |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
697 ed [N]: edit numbered command from history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
698 ed [filename]: edit specified file name |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
699 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
700 commands are run after editor is closed. |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
701 "set edit (program-name)" or set EDITOR environment variable |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
702 to control which editing program is used.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
703 if not self.editor: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
704 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
|
705 return |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
706 filename = self.defaultFileName |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
707 if arg: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
708 try: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
709 buffer = self.last_matching(int(arg)) |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
710 except ValueError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
711 filename = arg |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
712 buffer = '' |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
713 else: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
714 buffer = self.history[-1] |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
715 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
716 if buffer: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
717 f = open(filename, 'w') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
718 f.write(buffer or '') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
719 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
720 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
721 os.system('%s %s' % (self.editor, filename)) |
48 | 722 self.do__load(filename) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
723 do_edit = do_ed |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
724 |
91 | 725 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") + |
157 | 726 pyparsing.Optional(pyparsing.Word(legalChars + '/\\'))("fname") + |
91 | 727 pyparsing.stringEnd) |
728 def do_save(self, arg): | |
729 """`save [N] [filename.ext]` | |
730 Saves command from history to file. | |
731 N => Number of command (from history), or `*`; | |
732 most recent command if omitted""" | |
733 | |
734 try: | |
735 args = self.saveparser.parseString(arg) | |
736 except pyparsing.ParseException: | |
737 print self.do_save.__doc__ | |
738 return | |
739 fname = args.fname or self.defaultFileName | |
740 if args.idx == '*': | |
741 saveme = '\n\n'.join(self.history[:]) | |
742 elif args.idx: | |
743 saveme = self.history[int(args.idx)-1] | |
744 else: | |
745 saveme = self.history[-1] | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
746 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
747 f = open(fname, 'w') |
91 | 748 f.write(saveme) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
749 f.close() |
91 | 750 print 'Saved to %s' % (fname) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
751 except Exception, e: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
752 print 'Error saving %s: %s' % (fname, str(e)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
753 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
754 def do_load(self, fname=None): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
755 """Runs command(s) from a file.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
756 if fname is None: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
757 fname = self.defaultFileName |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
758 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt')) |
41 | 759 if isinstance(fname, file): |
760 self.stdin = fname | |
761 else: | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
762 try: |
41 | 763 self.stdin = open(fname, 'r') |
764 except IOError, e: | |
765 try: | |
766 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r') | |
767 except IOError: | |
768 print 'Problem opening file %s: \n%s' % (fname, e) | |
769 keepstate.restore() | |
770 return | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
771 self.use_rawinput = False |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
772 self.prompt = self.continuationPrompt = '' |
42 | 773 stop = self.cmdloop() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
774 self.stdin.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
775 keepstate.restore() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
776 self.lastcmd = '' |
48 | 777 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT |
778 do__load = do_load # avoid an unfortunate legacy use of do_load from sqlpython | |
43 | 779 |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
780 def do_run(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
781 """run [arg]: re-runs an earlier command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
782 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
783 no arg -> run most recent command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
784 arg is integer -> run one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
785 arg is string -> run most recent command by string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
786 arg is /enclosed in forward-slashes/ -> run most recent by regex |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
787 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
788 'run [N]: runs the SQL that was run N commands ago' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
789 runme = self.last_matching(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
790 print runme |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
791 if runme: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
792 runme = self.precmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
793 stop = self.onecmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
794 stop = self.postcmd(stop, runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
795 do_r = do_run |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
796 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
797 def fileimport(self, statement, source): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
798 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
799 f = open(source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
800 except IOError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
801 self.stdout.write("Couldn't read from file %s\n" % source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
802 return '' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
803 data = f.read() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
804 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
805 return data |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
806 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
807 class HistoryItem(str): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
808 def __init__(self, instr): |
121
fe432d010ecc
going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents:
119
diff
changeset
|
809 str.__init__(self) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
810 self.lowercase = self.lower() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
811 self.idx = None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
812 def pr(self): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
813 return '-------------------------[%d]\n%s\n' % (self.idx, str(self)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
814 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
815 class History(list): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
816 rangeFrom = re.compile(r'^([\d])+\s*\-$') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
817 def append(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
818 new = HistoryItem(new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
819 list.append(self, new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
820 new.idx = len(self) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
821 def extend(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
822 for n in new: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
823 self.append(n) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
824 def get(self, getme): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
825 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
826 getme = int(getme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
827 if getme < 0: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
828 return self[:(-1 * getme)] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
829 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
830 return [self[getme-1]] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
831 except IndexError: |
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parents:
diff
changeset
|
832 return [] |
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parents:
diff
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|
833 except (ValueError, TypeError): |
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parents:
diff
changeset
|
834 getme = getme.strip() |
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parents:
diff
changeset
|
835 mtch = self.rangeFrom.search(getme) |
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parents:
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836 if mtch: |
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parents:
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837 return self[(int(mtch.group(1))-1):] |
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parents:
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838 if getme.startswith(r'/') and getme.endswith(r'/'): |
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|
839 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE) |
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parents:
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|
840 def isin(hi): |
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parents:
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|
841 return finder.search(hi) |
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parents:
diff
changeset
|
842 else: |
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parents:
diff
changeset
|
843 def isin(hi): |
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parents:
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|
844 return (getme.lower() in hi.lowercase) |
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parents:
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845 return [itm for itm in self if isin(itm)] |
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parents:
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|
846 |
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parents:
diff
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|
847 class NotSettableError(Exception): |
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catherine@DellZilla.myhome.westell.com
parents:
diff
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|
848 pass |
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parents:
diff
changeset
|
849 |
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diff
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|
850 def cast(current, new): |
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parents:
diff
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|
851 """Tries to force a new value into the same type as the current.""" |
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852 typ = type(current) |
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parents:
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|
853 if typ == bool: |
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parents:
diff
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|
854 try: |
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parents:
diff
changeset
|
855 return bool(int(new)) |
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parents:
diff
changeset
|
856 except ValueError, TypeError: |
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parents:
diff
changeset
|
857 pass |
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parents:
diff
changeset
|
858 try: |
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parents:
diff
changeset
|
859 new = new.lower() |
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parents:
diff
changeset
|
860 except: |
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parents:
diff
changeset
|
861 pass |
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parents:
diff
changeset
|
862 if (new=='on') or (new[0] in ('y','t')): |
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parents:
diff
changeset
|
863 return True |
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parents:
diff
changeset
|
864 if (new=='off') or (new[0] in ('n','f')): |
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parents:
diff
changeset
|
865 return False |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
866 else: |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
867 try: |
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parents:
diff
changeset
|
868 return typ(new) |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
869 except: |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
870 pass |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
871 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new) |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
872 return current |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
873 |
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parents:
diff
changeset
|
874 class Statekeeper(object): |
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parents:
diff
changeset
|
875 def __init__(self, obj, attribs): |
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parents:
diff
changeset
|
876 self.obj = obj |
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parents:
diff
changeset
|
877 self.attribs = attribs |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
878 self.save() |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
879 def save(self): |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
880 for attrib in self.attribs: |
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parents:
diff
changeset
|
881 setattr(self, attrib, getattr(self.obj, attrib)) |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
882 def restore(self): |
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catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
883 for attrib in self.attribs: |
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moved repository to Assembla
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parents:
diff
changeset
|
884 setattr(self.obj, attrib, getattr(self, attrib)) |
79
f583663c610f
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parents:
56
diff
changeset
|
885 |
104 | 886 class Borg(object): |
887 '''All instances of any Borg subclass will share state. | |
888 from Python Cookbook, 2nd Ed., recipe 6.16''' | |
889 _shared_state = {} | |
890 def __new__(cls, *a, **k): | |
891 obj = object.__new__(cls, *a, **k) | |
892 obj.__dict__ = cls._shared_state | |
893 return obj | |
894 | |
895 class OutputTrap(Borg): | |
896 '''Instantiate an OutputTrap to divert/capture ALL stdout output. For use in unit testing. | |
897 Call `tearDown()` to return to normal output.''' | |
898 def __init__(self): | |
105 | 899 self.old_stdout = sys.stdout |
104 | 900 self.trap = tempfile.TemporaryFile() |
901 sys.stdout = self.trap | |
105 | 902 def read(self): |
104 | 903 self.trap.seek(0) |
904 result = self.trap.read() | |
105 | 905 self.trap.truncate(0) |
906 return result.strip('\x00') | |
104 | 907 def tearDown(self): |
908 sys.stdout = self.old_stdout | |
909 | |
910 class Cmd2TestCase(unittest.TestCase): | |
911 '''Subclass this, setting CmdApp and transcriptFileName, to make a unittest.TestCase class | |
109 | 912 that will execute the commands in transcriptFileName and expect the results shown. |
913 See example.py''' | |
104 | 914 CmdApp = None |
915 transcriptFileName = '' | |
916 def setUp(self): | |
917 if self.CmdApp: | |
105 | 918 self.outputTrap = OutputTrap() |
104 | 919 self.cmdapp = self.CmdApp() |
173 | 920 try: |
921 tfile = open(self.transcriptFileName) | |
180 | 922 self.transcript = iter(tfile.readlines()) |
173 | 923 tfile.close() |
924 except IOError: | |
925 self.transcript = [] | |
181
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parents:
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diff
changeset
|
926 def assertEqualEnough(self, got, expected, message): |
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diff
changeset
|
927 got = got.strip().splitlines() |
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catherine@Elli.myhome.westell.com
parents:
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diff
changeset
|
928 expected = expected.strip().splitlines() |
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accepts wildcards in tests, maybe?
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parents:
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diff
changeset
|
929 self.assertEqual(len(got), len(expected), message) |
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diff
changeset
|
930 for (linegot, lineexpected) in zip(got, expected): |
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diff
changeset
|
931 matchme = re.escape(lineexpected.strip()).replace('\\*', '.*'). \ |
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parents:
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diff
changeset
|
932 replace('\\ ', ' ') |
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parents:
180
diff
changeset
|
933 self.assert_(re.match(matchme, linegot.strip()), message) |
104 | 934 def testall(self): |
180 | 935 if self.CmdApp: |
936 lineNum = 0 | |
937 try: | |
938 line = self.transcript.next() | |
939 while True: | |
940 while not line.startswith(self.cmdapp.prompt): | |
941 line = self.transcript.next() | |
942 command = [line[len(self.cmdapp.prompt):]] | |
943 line = self.transcript.next() | |
944 while line.startswith(self.cmdapp.continuationPrompt): | |
945 command.append(line[len(self.cmdapp.continuationPrompt):]) | |
946 line = self.transcript.next() | |
947 command = ''.join(command) | |
948 self.cmdapp.onecmd(command) | |
949 result = self.outputTrap.read() | |
950 if line.startswith(self.cmdapp.prompt): | |
181
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catherine@Elli.myhome.westell.com
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diff
changeset
|
951 self.assertEqualEnough(result.strip(), '', |
180 | 952 '\nFile %s, line %d\nCommand was:\n%s\nExpected: (nothing) \nGot:\n%s\n' % |
953 (self.transcriptFileName, lineNum, command, result)) | |
954 continue | |
955 expected = [] | |
956 while not line.startswith(self.cmdapp.prompt): | |
957 expected.append(line) | |
958 line = self.transcript.next() | |
959 expected = ''.join(expected) | |
181
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catherine@Elli.myhome.westell.com
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diff
changeset
|
960 self.assertEqualEnough(expected.strip(), result.strip(), |
180 | 961 '\nFile %s, line %d\nCommand was:\n%s\nExpected:\n%s\nGot:\n%s\n' % |
962 (self.transcriptFileName, lineNum, command, expected, result)) | |
963 # this needs to account for a line-by-line strip()ping | |
964 except StopIteration: | |
965 pass | |
966 # catch the final output? | |
104 | 967 def tearDown(self): |
968 if self.CmdApp: | |
969 self.outputTrap.tearDown() | |
970 | |
79
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switch to pyparsing worked
catherine@Elli.myhome.westell.com
parents:
56
diff
changeset
|
971 if __name__ == '__main__': |
158 | 972 doctest.testmod(optionflags = doctest.NORMALIZE_WHITESPACE) |
973 #c = Cmd() |