Mercurial > python-cmd2
diff cmd2.py @ 133:31674148b13c
just beginning to make comments work
author | catherine@Elli.myhome.westell.com |
---|---|
date | Sat, 08 Nov 2008 17:10:20 -0500 |
parents | 197a312f2656 |
children | c28ae4f75c15 |
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--- a/cmd2.py Wed Nov 05 14:16:24 2008 -0500 +++ b/cmd2.py Sat Nov 08 17:10:20 2008 -0500 @@ -151,9 +151,9 @@ class Cmd(cmd.Cmd): echo = False caseInsensitive = True - multilineCommands = [] + multilineCommands = ['_multiline_comment'] continuationPrompt = '> ' - shortcuts = {'?': 'help', '!': 'shell', '@': 'load'} + shortcuts = {'?': 'help', '!': 'shell', '@': 'load', '/*': '_multiline_comment', '#': '_comment'} excludeFromHistory = '''run r list l history hi ed edit li eof'''.split() noSpecialParse = 'set ed edit exit'.split() defaultExtension = 'txt' @@ -169,7 +169,6 @@ break settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive', 'echo'] - _TO_PASTE_BUFFER = 1 def do_cmdenvironment(self, args): self.stdout.write(""" Commands are %(casesensitive)scase-sensitive. @@ -194,11 +193,17 @@ cmd.Cmd.__init__(self, *args, **kwargs) self.history = History() + def do__comment(self, arg): + pass + def do__multiline_comment(self, arg): + pass + def do_shortcuts(self, args): """Lists single-key shortcuts available.""" result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items()) self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result)) + specialTerminators = {'/*': pyparsing.Literal('*/')('terminator') } terminatorPattern = ((pyparsing.Literal(';') ^ pyparsing.Literal('\n\n')) ^ (pyparsing.Literal('\nEOF') + pyparsing.lineEnd))('terminator') argSeparatorPattern = pyparsing.Word(pyparsing.printables)('command') \ @@ -209,7 +214,7 @@ redirectOutPattern = (pyparsing.Literal('>>') ^ '>')('output') \ + pyparsing.Optional(filenamePattern)('outputTo') redirectInPattern = pyparsing.Literal('<')('input') \ - + pyparsing.Optional(filenamePattern)('inputFrom') + + pyparsing.Optional(filenamePattern)('inputFrom') punctuationPattern = pipePattern ^ redirectInPattern ^ redirectOutPattern for p in (terminatorPattern, pipePattern, redirectInPattern, redirectOutPattern, punctuationPattern): p.ignore(pyparsing.sglQuotedString) @@ -247,11 +252,14 @@ result['command'] = command result['args'] = ' '.join(result.fullStatement.split()[1:]) return result''' - if s[0] in self.shortcuts: - s = self.shortcuts[s[0]] + ' ' + s[1:] + for (shortcut, fullCommand) in self.shortcuts.items(): + if s.startswith(shortcut): + s = s.replace(shortcut, fullCommand + ' ', 1) + break result['statement'] = s result['parseable'] = s - result += parseSearchResults(self.terminatorPattern, s) + terminator = self.specialTerminators.get(command) or self.terminatorPattern + result += parseSearchResults(terminator, s) if result.terminator: result['statement'] = result.upToIncluding result['unterminated'] = result.before @@ -330,7 +338,10 @@ self.stdout = tempfile.TemporaryFile() if statement.output == '>>': self.stdout.write(getPasteBuffer()) - stop = cmd.Cmd.onecmd(self, statement.statement) + try: + stop = cmd.Cmd.onecmd(self, statement.statement) + except Exception, e: + print e try: if statement.command not in self.excludeFromHistory: self.history.append(statement.fullStatement) @@ -414,14 +425,8 @@ return True do_eof = do_EOF - def clean(self, s): - """cleans up a string""" - if self.caseInsensitive: - return s.strip().lower() - return s.strip() - def showParam(self, param): - param = self.clean(param) + param = param.strip().lower() if param in self.settable: val = getattr(self, param) self.stdout.write('%s: %s\n' % (param, str(getattr(self, param)))) @@ -443,7 +448,7 @@ 'Sets a parameter' try: paramName, val = arg.split(None, 1) - paramName = self.clean(paramName) + paramName = paramName.strip().lower() if paramName not in self.settable: raise NotSettableError currentVal = getattr(self, paramName) @@ -480,7 +485,7 @@ return self.history.get(arg)[-1] else: return self.history[-1] - except: + except IndexError: return None def do_list(self, arg): """list [arg]: lists last command issued @@ -511,15 +516,14 @@ print "please use 'set editor' to specify your text editing program of choice." return filename = self.defaultFileName - buffer = '' - try: - arg = int(arg) - buffer = self.last_matching(arg) - except: - if arg: + if arg: + try: + buffer = self.last_matching(int(arg)) + except ValueError: filename = arg - else: - buffer = self.last_matching(arg) + buffer = '' + else: + buffer = self.history[-1] if buffer: f = open(filename, 'w')