Mercurial > python-cmd2
annotate cmd2.py @ 156:7e5a57df88aa
kinks in assumeComplete
author | catherine@dellzilla |
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date | Fri, 21 Nov 2008 17:56:28 -0500 |
parents | 8ba5127167f5 |
children | 10e917acf787 |
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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: | |
20 | 54 opts, arg = optionParser.parse_args(arg.split()) |
37
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55 arg = ' '.join(arg) |
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 | |
37
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64 result = func(instance, arg, opts) |
10 | 65 return result |
66 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help()) | |
67 return newFunc | |
68 return option_setup | |
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69 |
27 | 70 class PasteBufferError(EnvironmentError): |
71 if sys.platform[:3] == 'win': | |
72 errmsg = """Redirecting to or from paste buffer requires pywin32 | |
73 to be installed on operating system. | |
74 Download from http://sourceforge.net/projects/pywin32/""" | |
75 else: | |
76 errmsg = """Redirecting to or from paste buffer requires xclip | |
77 to be installed on operating system. | |
78 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it.""" | |
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79 def __init__(self): |
27 | 80 Exception.__init__(self, self.errmsg) |
81 | |
29
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82 '''check here if functions exist; otherwise, stub out''' |
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83 pastebufferr = """Redirecting to or from paste buffer requires %s |
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84 to be installed on operating system. |
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85 %s""" |
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86 if subprocess.mswindows: |
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87 try: |
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88 import win32clipboard |
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89 def getPasteBuffer(): |
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90 win32clipboard.OpenClipboard(0) |
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91 try: |
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92 result = win32clipboard.GetClipboardData() |
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93 except TypeError: |
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94 result = '' #non-text |
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95 win32clipboard.CloseClipboard() |
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96 return result |
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97 def writeToPasteBuffer(txt): |
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98 win32clipboard.OpenClipboard(0) |
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99 win32clipboard.EmptyClipboard() |
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100 win32clipboard.SetClipboardText(txt) |
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101 win32clipboard.CloseClipboard() |
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102 except ImportError: |
106 | 103 def getPasteBuffer(*args): |
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104 raise OSError, pastebufferr % ('pywin32', 'Download from http://sourceforge.net/projects/pywin32/') |
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105 setPasteBuffer = getPasteBuffer |
27 | 106 else: |
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107 can_clip = False |
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108 try: |
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109 subprocess.check_call('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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110 can_clip = True |
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111 except AttributeError: # check_call not defined, Python < 2.5 |
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112 teststring = 'Testing for presence of xclip.' |
31 | 113 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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114 xclipproc.stdin.write(teststring) |
31 | 115 xclipproc.stdin.close() |
116 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) | |
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117 if xclipproc.stdout.read() == teststring: |
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118 can_clip = True |
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119 except (subprocess.CalledProcessError, OSError, IOError): |
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120 pass |
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121 if can_clip: |
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122 def getPasteBuffer(): |
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123 xclipproc = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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124 return xclipproc.stdout.read() |
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125 def writeToPasteBuffer(txt): |
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126 xclipproc = subprocess.Popen('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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127 xclipproc.stdin.write(txt) |
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128 xclipproc.stdin.close() |
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129 # but we want it in both the "primary" and "mouse" clipboards |
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130 xclipproc = subprocess.Popen('xclip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
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131 xclipproc.stdin.write(txt) |
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132 xclipproc.stdin.close() |
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133 else: |
106 | 134 def getPasteBuffer(*args): |
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135 raise OSError, pastebufferr % ('xclip', 'On Debian/Ubuntu, install with "sudo apt-get install xclip"') |
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136 setPasteBuffer = getPasteBuffer |
106 | 137 writeToPasteBuffer = getPasteBuffer |
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138 |
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139 pyparsing.ParserElement.setDefaultWhitespaceChars(' \t') |
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140 def parseSearchResults(pattern, s): |
81 | 141 generator = pattern.scanString(s) |
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142 try: |
81 | 143 result, start, stop = generator.next() |
144 result['before'], result['after'] = s[:start], s[stop:] | |
82 | 145 result['upToIncluding'] = s[:stop] |
81 | 146 except StopIteration: |
147 result = pyparsing.ParseResults('') | |
148 result['before'] = s | |
149 return result | |
154 | 150 |
151 | |
152 def replaceInput(source): | |
153 if source: | |
154 newinput = open(source[0], 'r').read() | |
155 else: | |
156 newinput = getPasteBuffer() | |
157 | |
158 try: | |
159 if statement.inputFrom: | |
160 newinput = open(statement.inputFrom, 'r').read() | |
161 else: | |
162 newinput = getPasteBuffer() | |
163 except (OSError,), e: | |
164 print e | |
165 return 0 | |
166 start, end = self.redirectInPattern.scanString(statement.fullStatement).next()[1:] | |
167 return self.onecmd('%s%s%s' % (statement.fullStatement[:start], | |
168 newinput, statement.fullStatement[end:])) | |
169 | |
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170 class Cmd(cmd.Cmd): |
103 | 171 echo = False |
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172 caseInsensitive = True |
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173 continuationPrompt = '> ' |
137 | 174 shortcuts = {'?': 'help', '!': 'shell', '@': 'load' } |
106 | 175 excludeFromHistory = '''run r list l history hi ed edit li eof'''.split() |
176 noSpecialParse = 'set ed edit exit'.split() | |
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177 defaultExtension = 'txt' |
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178 defaultFileName = 'command.txt' |
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179 editor = os.environ.get('EDITOR') |
42 | 180 _STOP_AND_EXIT = 2 |
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181 if not editor: |
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182 if sys.platform[:3] == 'win': |
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183 editor = 'notepad' |
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184 else: |
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185 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']: |
47 | 186 if not os.system('which %s' % (editor)): |
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187 break |
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188 |
103 | 189 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo'] |
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190 def do_cmdenvironment(self, args): |
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191 self.stdout.write(""" |
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192 Commands are %(casesensitive)scase-sensitive. |
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193 Commands may be terminated with: %(terminators)s |
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194 Settable parameters: %(settable)s |
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195 """ % |
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196 { 'casesensitive': ('not ' and self.caseInsensitive) or '', |
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197 'terminators': self.terminatorPattern, |
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198 'settable': ' '.join(self.settable) |
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199 }) |
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200 |
10 | 201 def do_help(self, arg): |
202 cmd.Cmd.do_help(self, arg) | |
203 try: | |
204 fn = getattr(self, 'do_' + arg) | |
205 if fn and fn.optionParser: | |
206 fn.optionParser.print_help(file=self.stdout) | |
207 except AttributeError: | |
208 pass | |
209 | |
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210 def __init__(self, *args, **kwargs): |
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211 cmd.Cmd.__init__(self, *args, **kwargs) |
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212 self.history = History() |
152
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213 self._init_parser() |
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214 |
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215 def do_shortcuts(self, args): |
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216 """Lists single-key shortcuts available.""" |
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217 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items()) |
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218 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result)) |
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219 |
137 | 220 commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment]) |
153 | 221 commentGrammars.addParseAction(lambda x: '') |
136 | 222 commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd) |
146 | 223 terminators = [';', '\n\n'] |
153 | 224 multilineCommands = [] |
152
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225 |
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226 def _init_parser(self): |
146 | 227 ''' |
228 >>> c = Cmd() | |
153 | 229 >>> c.multilineCommands = ['multiline'] |
230 >>> c.caseInsensitive = True | |
231 >>> c._init_parser() | |
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232 >>> print c.parser.parseString('barecommand').dump() |
153 | 233 ['barecommand', ''] |
234 - args: | |
235 - command: barecommand | |
236 - statement: ['barecommand', ''] | |
237 - args: | |
238 - command: barecommand | |
239 >>> print c.parser.parseString('COMmand with args').dump() | |
240 ['command', ' with args'] | |
241 - args: with args | |
242 - command: command | |
243 - statement: ['command', ' with args'] | |
244 - args: with args | |
245 - command: command | |
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246 >>> print c.parser.parseString('command with args and terminator; and suffix').dump() |
153 | 247 ['command', 'with args and terminator', ';', ' and suffix'] |
248 - args: with args and terminator | |
249 - command: command | |
250 - statement: ['command', 'with args and terminator', ';'] | |
251 - args: with args and terminator | |
252 - command: command | |
253 - terminator: ; | |
254 - suffix: and suffix | |
255 - terminator: ; | |
256 >>> print c.parser.parseString('simple | piped').dump() | |
155 | 257 ['simple', '', '|', 'piped'] |
153 | 258 - args: |
259 - command: simple | |
155 | 260 - pipeTo: piped |
153 | 261 - statement: ['simple', ''] |
262 - args: | |
263 - command: simple | |
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264 >>> print c.parser.parseString('command with args, terminator;sufx | piped').dump() |
155 | 265 ['command', 'with args, terminator', ';', 'sufx', '|', 'piped'] |
153 | 266 - args: with args, terminator |
267 - command: command | |
155 | 268 - pipeTo: piped |
153 | 269 - statement: ['command', 'with args, terminator', ';'] |
270 - args: with args, terminator | |
271 - command: command | |
272 - terminator: ; | |
273 - suffix: sufx | |
155 | 274 - terminator: ; |
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275 >>> print c.parser.parseString('output into > afile.txt').dump() |
155 | 276 ['output', ' into', '>', 'afile.txt'] |
153 | 277 - args: into |
278 - command: output | |
279 - output: > | |
155 | 280 - outputTo: afile.txt |
153 | 281 - statement: ['output', ' into'] |
282 - args: into | |
155 | 283 - command: output |
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284 >>> print c.parser.parseString('output into;sufx | pipethrume plz > afile.txt').dump() |
155 | 285 ['output', 'into', ';', 'sufx', '|', 'pipethrume plz', '>', 'afile.txt'] |
153 | 286 - args: into |
287 - command: output | |
288 - output: > | |
155 | 289 - outputTo: afile.txt |
290 - pipeTo: pipethrume plz | |
153 | 291 - statement: ['output', 'into', ';'] |
292 - args: into | |
293 - command: output | |
294 - terminator: ; | |
295 - suffix: sufx | |
296 - terminator: ; | |
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297 >>> print c.parser.parseString('output to paste buffer >> ').dump() |
153 | 298 ['output', ' to paste buffer', '>>', ''] |
299 - args: to paste buffer | |
300 - command: output | |
301 - output: >> | |
302 - statement: ['output', ' to paste buffer'] | |
303 - args: to paste buffer | |
304 - command: output | |
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305 >>> print c.parser.parseString('ignore the /* commented | > */ stuff;').dump() |
153 | 306 ['ignore', 'the /* commented | > */ stuff', ';', ''] |
307 - args: the /* commented | > */ stuff | |
308 - command: ignore | |
309 - statement: ['ignore', 'the /* commented | > */ stuff', ';'] | |
310 - args: the /* commented | > */ stuff | |
311 - command: ignore | |
312 - terminator: ; | |
313 - suffix: | |
314 - terminator: ; | |
315 >>> print c.parser.parseString('has > inside;').dump() | |
316 ['has', '> inside', ';', ''] | |
317 - args: > inside | |
318 - command: has | |
319 - statement: ['has', '> inside', ';'] | |
320 - args: > inside | |
321 - command: has | |
322 - terminator: ; | |
323 - suffix: | |
324 - terminator: ; | |
325 >>> print c.parser.parseString('multiline has > inside an unfinished command').dump() | |
326 ['multiline', 'has > inside an unfinished command'] | |
327 - multilineCommand: multiline | |
328 >>> print c.parser.parseString('multiline has > inside;').dump() | |
329 ['multiline', 'has > inside', ';', ''] | |
330 - args: has > inside | |
331 - multilineCommand: multiline | |
332 - statement: ['multiline', 'has > inside', ';'] | |
333 - args: has > inside | |
334 - multilineCommand: multiline | |
335 - terminator: ; | |
336 - suffix: | |
337 - terminator: ; | |
338 >>> print c.parser.parseString('multiline command /* with comment in progress;').dump() | |
339 ['multiline', 'command /* with comment in progress;'] | |
340 - multilineCommand: multiline | |
341 >>> print c.parser.parseString('multiline command /* with comment complete */ is done;').dump() | |
342 ['multiline', 'command /* with comment complete */ is done', ';', ''] | |
343 - args: command /* with comment complete */ is done | |
344 - multilineCommand: multiline | |
345 - statement: ['multiline', 'command /* with comment complete */ is done', ';'] | |
346 - args: command /* with comment complete */ is done | |
347 - multilineCommand: multiline | |
348 - terminator: ; | |
349 - suffix: | |
350 - terminator: ; | |
351 ''' | |
146 | 352 outputParser = pyparsing.oneOf(['>>','>'])('output') |
353 terminatorParser = pyparsing.oneOf(self.terminators)('terminator') | |
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354 stringEnd = pyparsing.stringEnd ^ '\nEOF' |
153 | 355 multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand') |
356 oneLineCommand = pyparsing.Word(pyparsing.printables)('command') | |
357 afterElements = \ | |
156 | 358 pyparsing.Optional('|' + pyparsing.SkipTo(outputParser ^ stringEnd)('pipeTo')) + \ |
155 | 359 pyparsing.Optional(outputParser + pyparsing.SkipTo(stringEnd).setParseAction(lambda x: x[0].strip())('outputTo')) |
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360 if self.caseInsensitive: |
153 | 361 multilineCommand.setParseAction(lambda x: x[0].lower()) |
362 oneLineCommand.setParseAction(lambda x: x[0].lower()) | |
363 self.parser = ( | |
364 (((multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser)('args') + terminatorParser)('statement') + | |
365 pyparsing.SkipTo(outputParser ^ '|' ^ stringEnd)('suffix') + afterElements) | |
366 ^ | |
367 multilineCommand + pyparsing.SkipTo(pyparsing.stringEnd) | |
368 ^ | |
369 ((oneLineCommand + pyparsing.SkipTo(terminatorParser ^ stringEnd ^ '|' ^ outputParser)('args'))('statement') + | |
370 afterElements) | |
371 ) | |
148 | 372 self.commentGrammars.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).setParseAction(lambda x: '') |
373 self.commentInProgress.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(pyparsing.cStyleComment) | |
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374 self.parser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) |
154 | 375 |
376 inputMark = pyparsing.Literal('<') | |
377 inputMark.setParseAction(lambda x: '') | |
378 inputFrom = pyparsing.Word(pyparsing.printables)('inputFrom') | |
379 inputFrom.setParseAction(lambda x: (x and open(x[0]).read()) or getPasteBuffer()) | |
380 self.inputParser = inputMark + pyparsing.Optional(inputFrom) | |
381 self.inputParser.ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString).ignore(self.commentGrammars).ignore(self.commentInProgress) | |
153 | 382 |
154 | 383 def parsed(self, raw): |
384 s = self.inputParser.transformString(raw) | |
385 for (shortcut, expansion) in self.shortcuts.items(): | |
386 if s.startswith(shortcut): | |
387 s = s.replace(shortcut, expansion + ' ', 1) | |
388 break | |
153 | 389 result = self.parser.parseString(s) |
390 result['command'] = result.multilineCommand or result.command | |
154 | 391 result['statement'] = ' '.join(result.statement) |
392 result['raw'] = raw | |
393 result['clean'] = self.commentGrammars.transformString(result.statement) | |
153 | 394 result['cleanArgs'] = self.commentGrammars.transformString(result.args) |
81 | 395 return result |
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396 |
3 | 397 def extractCommand(self, statement): |
398 try: | |
399 (command, args) = statement.split(None,1) | |
400 except ValueError: | |
401 (command, args) = statement, '' | |
402 if self.caseInsensitive: | |
403 command = command.lower() | |
404 return command, args | |
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405 |
44 | 406 def onecmd(self, line, assumeComplete=False): |
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407 """Interpret the argument as though it had been typed in response |
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408 to the prompt. |
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409 |
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410 This may be overridden, but should not normally need to be; |
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411 see the precmd() and postcmd() methods for useful execution hooks. |
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412 The return value is a flag indicating whether interpretation of |
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413 commands by the interpreter should stop. |
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414 |
3 | 415 """ |
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416 line = line.strip() |
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417 if not line: |
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418 return |
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419 if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line): |
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420 return |
154 | 421 try: |
422 statement = self.parsed(line) | |
156 | 423 if assumeComplete: |
424 if statement.multilineCommand and not statement.terminator: | |
425 statement = self.parsed(statement.raw + self.terminators[0]) | |
426 else: | |
427 while statement.multilineCommand and not statement.terminator: | |
428 statement = self.parsed('%s\n%s' % (statement.raw, | |
429 self.pseudo_raw_input(self.continuationPrompt))) | |
154 | 430 except Exception, e: |
431 print e | |
432 return 0 | |
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433 |
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434 statekeeper = None |
25 | 435 stop = 0 |
154 | 436 |
437 if statement.pipeTo: | |
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438 redirect = subprocess.Popen(statement.pipeTo, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE) |
51 | 439 statekeeper = Statekeeper(self, ('stdout',)) |
47 | 440 self.stdout = redirect.stdin |
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441 elif statement.output: |
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442 statekeeper = Statekeeper(self, ('stdout',)) |
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443 if statement.outputTo: |
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444 mode = 'w' |
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445 if statement.output == '>>': |
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446 mode = 'a' |
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447 try: |
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448 self.stdout = open(statement.outputTo, mode) |
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449 except OSError, e: |
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450 print e |
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451 return 0 |
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452 else: |
51 | 453 statekeeper = Statekeeper(self, ('stdout',)) |
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454 self.stdout = tempfile.TemporaryFile() |
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455 if statement.output == '>>': |
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456 self.stdout.write(getPasteBuffer()) |
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457 try: |
154 | 458 stop = cmd.Cmd.onecmd(self, statement.clean) |
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459 except Exception, e: |
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460 print e |
0
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461 try: |
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462 if statement.command not in self.excludeFromHistory: |
154 | 463 self.history.append(statement.raw) |
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464 finally: |
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465 if statekeeper: |
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466 if statement.output and not statement.outputTo: |
27 | 467 self.stdout.seek(0) |
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468 try: |
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469 writeToPasteBuffer(self.stdout.read()) |
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470 except Exception, e: |
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471 print str(e) |
155 | 472 elif statement.pipeTo: |
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473 for result in redirect.communicate(): |
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474 statekeeper.stdout.write(result or '') |
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475 self.stdout.close() |
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476 statekeeper.restore() |
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477 |
0
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478 return stop |
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479 |
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480 def pseudo_raw_input(self, prompt): |
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481 """copied from cmd's cmdloop; like raw_input, but accounts for changed stdin, stdout""" |
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482 |
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483 if self.use_rawinput: |
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484 try: |
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485 line = raw_input(prompt) |
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486 except EOFError: |
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487 line = 'EOF' |
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488 else: |
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changeset
|
489 self.stdout.write(prompt) |
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parents:
diff
changeset
|
490 self.stdout.flush() |
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parents:
diff
changeset
|
491 line = self.stdin.readline() |
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parents:
diff
changeset
|
492 if not len(line): |
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parents:
diff
changeset
|
493 line = 'EOF' |
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parents:
diff
changeset
|
494 else: |
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parents:
diff
changeset
|
495 if line[-1] == '\n': # this was always true in Cmd |
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parents:
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changeset
|
496 line = line[:-1] |
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parents:
diff
changeset
|
497 return line |
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parents:
diff
changeset
|
498 |
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parents:
diff
changeset
|
499 def cmdloop(self, intro=None): |
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diff
changeset
|
500 """Repeatedly issue a prompt, accept input, parse an initial prefix |
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parents:
diff
changeset
|
501 off the received input, and dispatch to action methods, passing them |
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parents:
diff
changeset
|
502 the remainder of the line as argument. |
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parents:
diff
changeset
|
503 """ |
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parents:
diff
changeset
|
504 |
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parents:
diff
changeset
|
505 # An almost perfect copy from Cmd; however, the pseudo_raw_input portion |
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parents:
diff
changeset
|
506 # has been split out so that it can be called separately |
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parents:
diff
changeset
|
507 |
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parents:
diff
changeset
|
508 self.preloop() |
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parents:
diff
changeset
|
509 if self.use_rawinput and self.completekey: |
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parents:
diff
changeset
|
510 try: |
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parents:
diff
changeset
|
511 import readline |
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parents:
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changeset
|
512 self.old_completer = readline.get_completer() |
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parents:
diff
changeset
|
513 readline.set_completer(self.complete) |
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parents:
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changeset
|
514 readline.parse_and_bind(self.completekey+": complete") |
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parents:
diff
changeset
|
515 except ImportError: |
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parents:
diff
changeset
|
516 pass |
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parents:
diff
changeset
|
517 try: |
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parents:
diff
changeset
|
518 if intro is not None: |
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parents:
diff
changeset
|
519 self.intro = intro |
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parents:
diff
changeset
|
520 if self.intro: |
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parents:
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changeset
|
521 self.stdout.write(str(self.intro)+"\n") |
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parents:
diff
changeset
|
522 stop = None |
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parents:
diff
changeset
|
523 while not stop: |
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parents:
diff
changeset
|
524 if self.cmdqueue: |
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parents:
diff
changeset
|
525 line = self.cmdqueue.pop(0) |
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parents:
diff
changeset
|
526 else: |
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parents:
diff
changeset
|
527 line = self.pseudo_raw_input(self.prompt) |
103 | 528 if (self.echo) and (isinstance(self.stdin, file)): |
529 self.stdout.write(line + '\n') | |
0
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parents:
diff
changeset
|
530 line = self.precmd(line) |
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moved repository to Assembla
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parents:
diff
changeset
|
531 stop = self.onecmd(line) |
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moved repository to Assembla
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parents:
diff
changeset
|
532 stop = self.postcmd(stop, line) |
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moved repository to Assembla
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parents:
diff
changeset
|
533 self.postloop() |
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moved repository to Assembla
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parents:
diff
changeset
|
534 finally: |
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moved repository to Assembla
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parents:
diff
changeset
|
535 if self.use_rawinput and self.completekey: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
536 try: |
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moved repository to Assembla
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parents:
diff
changeset
|
537 import readline |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
538 readline.set_completer(self.old_completer) |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
539 except ImportError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
540 pass |
43 | 541 return stop |
0
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
542 |
febfdc79550b
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parents:
diff
changeset
|
543 def do_EOF(self, arg): |
febfdc79550b
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parents:
diff
changeset
|
544 return True |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
545 do_eof = do_EOF |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
546 |
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parents:
diff
changeset
|
547 def showParam(self, param): |
133
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126
diff
changeset
|
548 param = param.strip().lower() |
0
febfdc79550b
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parents:
diff
changeset
|
549 if param in self.settable: |
febfdc79550b
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parents:
diff
changeset
|
550 val = getattr(self, param) |
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parents:
diff
changeset
|
551 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param)))) |
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parents:
diff
changeset
|
552 |
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moved repository to Assembla
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parents:
diff
changeset
|
553 def do_quit(self, arg): |
43 | 554 return self._STOP_AND_EXIT |
0
febfdc79550b
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parents:
diff
changeset
|
555 do_exit = do_quit |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
556 do_q = do_quit |
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moved repository to Assembla
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parents:
diff
changeset
|
557 |
febfdc79550b
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parents:
diff
changeset
|
558 def do_show(self, arg): |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
559 'Shows value of a parameter' |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
560 if arg.strip(): |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
561 self.showParam(arg) |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
562 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
563 for param in self.settable: |
febfdc79550b
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parents:
diff
changeset
|
564 self.showParam(param) |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
565 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
566 def do_set(self, arg): |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
567 'Sets a parameter' |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
568 try: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
569 paramName, val = arg.split(None, 1) |
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126
diff
changeset
|
570 paramName = paramName.strip().lower() |
0
febfdc79550b
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parents:
diff
changeset
|
571 if paramName not in self.settable: |
106 | 572 raise NotSettableError |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
573 currentVal = getattr(self, paramName) |
106 | 574 if (val[0] == val[-1]) and val[0] in ("'", '"'): |
575 val = val[1:-1] | |
576 else: | |
156 | 577 val = cast(currentVal, self.parsed(val).statement) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
578 setattr(self, paramName, val) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
579 self.stdout.write('%s - was: %s\nnow: %s\n' % (paramName, currentVal, val)) |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
580 except (ValueError, AttributeError, NotSettableError), e: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
581 self.do_show(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
582 |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
583 def do_shell(self, arg): |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
584 'execute a command as if at the OS prompt.' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
585 os.system(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
586 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
587 def do_history(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
588 """history [arg]: lists past commands issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
589 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
590 no arg -> list all |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
591 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
592 arg is string -> string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
593 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
594 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
595 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
596 history = self.history.get(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
597 else: |
febfdc79550b
moved repository to Assembla
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parents:
diff
changeset
|
598 history = self.history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
599 for hi in history: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
600 self.stdout.write(hi.pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
601 def last_matching(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
602 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
603 if arg: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
604 return self.history.get(arg)[-1] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
605 else: |
febfdc79550b
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parents:
diff
changeset
|
606 return self.history[-1] |
133
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parents:
126
diff
changeset
|
607 except IndexError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
608 return None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
609 def do_list(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
610 """list [arg]: lists last command issued |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
611 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
612 no arg -> list absolute last |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
613 arg is integer -> list one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
614 - arg, arg - (integer) -> list up to or after #arg |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
615 arg is string -> list last command matching string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
616 arg is /enclosed in forward-slashes/ -> regular expression search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
617 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
618 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
619 self.stdout.write(self.last_matching(arg).pr()) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
620 except: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
621 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
622 do_hi = do_history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
623 do_l = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
624 do_li = do_list |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
625 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
626 def do_ed(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
627 """ed: edit most recent command in text editor |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
628 ed [N]: edit numbered command from history |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
629 ed [filename]: edit specified file name |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
630 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
631 commands are run after editor is closed. |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
632 "set edit (program-name)" or set EDITOR environment variable |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
633 to control which editing program is used.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
634 if not self.editor: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
635 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
|
636 return |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
637 filename = self.defaultFileName |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
638 if arg: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
639 try: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
640 buffer = self.last_matching(int(arg)) |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
641 except ValueError: |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
642 filename = arg |
133
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
643 buffer = '' |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
644 else: |
31674148b13c
just beginning to make comments work
catherine@Elli.myhome.westell.com
parents:
126
diff
changeset
|
645 buffer = self.history[-1] |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
646 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
647 if buffer: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
648 f = open(filename, 'w') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
649 f.write(buffer or '') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
650 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
651 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
652 os.system('%s %s' % (self.editor, filename)) |
48 | 653 self.do__load(filename) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
654 do_edit = do_ed |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
655 |
91 | 656 saveparser = (pyparsing.Optional(pyparsing.Word(pyparsing.nums)^'*')("idx") + |
657 pyparsing.Optional(pyparsing.Word(pyparsing.printables))("fname") + | |
658 pyparsing.stringEnd) | |
659 def do_save(self, arg): | |
660 """`save [N] [filename.ext]` | |
661 Saves command from history to file. | |
662 N => Number of command (from history), or `*`; | |
663 most recent command if omitted""" | |
664 | |
665 try: | |
666 args = self.saveparser.parseString(arg) | |
667 except pyparsing.ParseException: | |
668 print self.do_save.__doc__ | |
669 return | |
670 fname = args.fname or self.defaultFileName | |
671 if args.idx == '*': | |
672 saveme = '\n\n'.join(self.history[:]) | |
673 elif args.idx: | |
674 saveme = self.history[int(args.idx)-1] | |
675 else: | |
676 saveme = self.history[-1] | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
677 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
678 f = open(fname, 'w') |
91 | 679 f.write(saveme) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
680 f.close() |
91 | 681 print 'Saved to %s' % (fname) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
682 except Exception, e: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
683 print 'Error saving %s: %s' % (fname, str(e)) |
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 def do_load(self, fname=None): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
686 """Runs command(s) from a file.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
687 if fname is None: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
688 fname = self.defaultFileName |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
689 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt')) |
41 | 690 if isinstance(fname, file): |
691 self.stdin = fname | |
692 else: | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
693 try: |
41 | 694 self.stdin = open(fname, 'r') |
695 except IOError, e: | |
696 try: | |
697 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r') | |
698 except IOError: | |
699 print 'Problem opening file %s: \n%s' % (fname, e) | |
700 keepstate.restore() | |
701 return | |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
702 self.use_rawinput = False |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
703 self.prompt = self.continuationPrompt = '' |
42 | 704 stop = self.cmdloop() |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
705 self.stdin.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
706 keepstate.restore() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
707 self.lastcmd = '' |
48 | 708 return (stop == self._STOP_AND_EXIT) and self._STOP_AND_EXIT |
709 do__load = do_load # avoid an unfortunate legacy use of do_load from sqlpython | |
43 | 710 |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
711 def do_run(self, arg): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
712 """run [arg]: re-runs an earlier command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
713 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
714 no arg -> run most recent command |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
715 arg is integer -> run one history item, by index |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
716 arg is string -> run most recent command by string search |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
717 arg is /enclosed in forward-slashes/ -> run most recent by regex |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
718 """ |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
719 'run [N]: runs the SQL that was run N commands ago' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
720 runme = self.last_matching(arg) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
721 print runme |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
722 if runme: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
723 runme = self.precmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
724 stop = self.onecmd(runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
725 stop = self.postcmd(stop, runme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
726 do_r = do_run |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
727 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
728 def fileimport(self, statement, source): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
729 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
730 f = open(source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
731 except IOError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
732 self.stdout.write("Couldn't read from file %s\n" % source) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
733 return '' |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
734 data = f.read() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
735 f.close() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
736 return data |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
737 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
738 class HistoryItem(str): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
739 def __init__(self, instr): |
121
fe432d010ecc
going to attempt 2.4 and 2.6 compatibility
catherine@dellzilla
parents:
119
diff
changeset
|
740 str.__init__(self) |
0
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
741 self.lowercase = self.lower() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
742 self.idx = None |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
743 def pr(self): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
744 return '-------------------------[%d]\n%s\n' % (self.idx, str(self)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
745 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
746 class History(list): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
747 rangeFrom = re.compile(r'^([\d])+\s*\-$') |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
748 def append(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
749 new = HistoryItem(new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
750 list.append(self, new) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
751 new.idx = len(self) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
752 def extend(self, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
753 for n in new: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
754 self.append(n) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
755 def get(self, getme): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
756 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
757 getme = int(getme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
758 if getme < 0: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
759 return self[:(-1 * getme)] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
760 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
761 return [self[getme-1]] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
762 except IndexError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
763 return [] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
764 except (ValueError, TypeError): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
765 getme = getme.strip() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
766 mtch = self.rangeFrom.search(getme) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
767 if mtch: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
768 return self[(int(mtch.group(1))-1):] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
769 if getme.startswith(r'/') and getme.endswith(r'/'): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
770 finder = re.compile(getme[1:-1], re.DOTALL | re.MULTILINE | re.IGNORECASE) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
771 def isin(hi): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
772 return finder.search(hi) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
773 else: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
774 def isin(hi): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
775 return (getme.lower() in hi.lowercase) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
776 return [itm for itm in self if isin(itm)] |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
777 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
778 class NotSettableError(Exception): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
779 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
780 |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
781 def cast(current, new): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
782 """Tries to force a new value into the same type as the current.""" |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
783 typ = type(current) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
784 if typ == bool: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
785 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
786 return bool(int(new)) |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
787 except ValueError, TypeError: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
788 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
789 try: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
790 new = new.lower() |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
791 except: |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
792 pass |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
793 if (new=='on') or (new[0] in ('y','t')): |
febfdc79550b
moved repository to Assembla
catherine@DellZilla.myhome.westell.com
parents:
diff
changeset
|
794 return True |
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moved repository to Assembla
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795 if (new=='off') or (new[0] in ('n','f')): |
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796 return False |
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797 else: |
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798 try: |
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799 return typ(new) |
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800 except: |
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801 pass |
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802 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new) |
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803 return current |
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804 |
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805 class Statekeeper(object): |
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806 def __init__(self, obj, attribs): |
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807 self.obj = obj |
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808 self.attribs = attribs |
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809 self.save() |
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810 def save(self): |
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811 for attrib in self.attribs: |
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812 setattr(self, attrib, getattr(self.obj, attrib)) |
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813 def restore(self): |
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814 for attrib in self.attribs: |
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815 setattr(self.obj, attrib, getattr(self, attrib)) |
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816 |
104 | 817 class Borg(object): |
818 '''All instances of any Borg subclass will share state. | |
819 from Python Cookbook, 2nd Ed., recipe 6.16''' | |
820 _shared_state = {} | |
821 def __new__(cls, *a, **k): | |
822 obj = object.__new__(cls, *a, **k) | |
823 obj.__dict__ = cls._shared_state | |
824 return obj | |
825 | |
826 class OutputTrap(Borg): | |
827 '''Instantiate an OutputTrap to divert/capture ALL stdout output. For use in unit testing. | |
828 Call `tearDown()` to return to normal output.''' | |
829 def __init__(self): | |
105 | 830 self.old_stdout = sys.stdout |
104 | 831 self.trap = tempfile.TemporaryFile() |
832 sys.stdout = self.trap | |
105 | 833 def read(self): |
104 | 834 self.trap.seek(0) |
835 result = self.trap.read() | |
105 | 836 self.trap.truncate(0) |
837 return result.strip('\x00') | |
104 | 838 def tearDown(self): |
839 sys.stdout = self.old_stdout | |
840 | |
841 class TranscriptReader(object): | |
842 def __init__(self, cmdapp, filename='test_cmd2.txt'): | |
843 self.cmdapp = cmdapp | |
844 try: | |
845 tfile = open(filename) | |
846 self.transcript = tfile.read() | |
847 tfile.close() | |
848 except IOError: | |
849 self.transcript = '' | |
850 self.bookmark = 0 | |
851 def refreshCommandFinder(self): | |
852 prompt = pyparsing.Suppress(pyparsing.lineStart + self.cmdapp.prompt) | |
853 continuationPrompt = pyparsing.Suppress(pyparsing.lineStart + self.cmdapp.continuationPrompt) | |
854 self.cmdtxtPattern = (prompt + pyparsing.restOfLine + pyparsing.ZeroOrMore( | |
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855 pyparsing.lineEnd + continuationPrompt + pyparsing.restOfLine))("command") |
104 | 856 def inputGenerator(self): |
857 while True: | |
858 self.refreshCommandFinder() | |
859 (thiscmd, startpos, endpos) = self.cmdtxtPattern.scanString(self.transcript[self.bookmark:], maxMatches=1).next() | |
860 lineNum = self.transcript.count('\n', 0, self.bookmark+startpos) + 2 | |
861 self.bookmark += endpos | |
862 yield (''.join(thiscmd.command), lineNum) | |
863 def nextExpected(self): | |
864 self.refreshCommandFinder() | |
865 try: | |
866 (thiscmd, startpos, endpos) = self.cmdtxtPattern.scanString(self.transcript[self.bookmark:], maxMatches=1).next() | |
867 result = self.transcript[self.bookmark:self.bookmark+startpos] | |
868 self.bookmark += startpos | |
869 return result | |
870 except StopIteration: | |
871 return self.transcript[self.bookmark:] | |
122 | 872 |
104 | 873 class Cmd2TestCase(unittest.TestCase): |
874 '''Subclass this, setting CmdApp and transcriptFileName, to make a unittest.TestCase class | |
109 | 875 that will execute the commands in transcriptFileName and expect the results shown. |
876 See example.py''' | |
104 | 877 # problem: this (raw) case gets called by unittest.main - we don't want it to be. hmm |
878 CmdApp = None | |
879 transcriptFileName = '' | |
880 def setUp(self): | |
881 if self.CmdApp: | |
105 | 882 self.outputTrap = OutputTrap() |
104 | 883 self.cmdapp = self.CmdApp() |
884 self.transcriptReader = TranscriptReader(self.cmdapp, self.transcriptFileName) | |
885 def testall(self): | |
886 if self.CmdApp: | |
887 for (cmdInput, lineNum) in self.transcriptReader.inputGenerator(): | |
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888 self.cmdapp.onecmd(cmdInput, assumeComplete=True) |
105 | 889 result = self.outputTrap.read() |
104 | 890 expected = self.transcriptReader.nextExpected() |
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891 self.assertEqual(self.stripByLine(result), self.stripByLine(expected), |
104 | 892 '\nFile %s, line %d\nCommand was:\n%s\nExpected:\n%s\nGot:\n%s\n' % |
893 (self.transcriptFileName, lineNum, cmdInput, expected, result)) | |
107
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894 def stripByLine(self, s): |
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895 bareprompt = self.cmdapp.continuationPrompt.strip() |
122 | 896 lines = [] |
897 for line in s.splitlines(): | |
898 line = line.rstrip() | |
899 if line.startswith(bareprompt): | |
900 line = line.replace(bareprompt, '', 1) | |
126 | 901 lines.append(line) |
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902 return '\n'.join(lines).strip() |
104 | 903 def tearDown(self): |
904 if self.CmdApp: | |
905 self.outputTrap.tearDown() | |
906 | |
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907 if __name__ == '__main__': |
153 | 908 doctest.testmod(optionflags = doctest.NORMALIZE_WHITESPACE) |