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comparison cmd2.py @ 23:37bff80ef816

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refactoring, no failure mode yet
author catherine@localhost
date Fri, 16 May 2008 17:17:26 -0400
parents 354a6b713d36
children f9196cf5ef51
comparison
equal deleted inserted replaced
22:354a6b713d36 23:37bff80ef816
16 16
17 CHANGES: 17 CHANGES:
18 As of 0.3.0, options should be specified as `optparse` options. See README.txt. 18 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
19 flagReader.py options are still supported for backward compatibility 19 flagReader.py options are still supported for backward compatibility
20 """ 20 """
21 import cmd, re, os, sys, optparse, subprocess 21 import cmd, re, os, sys, optparse, subprocess, tempfile
22 from optparse import make_option 22 from optparse import make_option
23 23
24 class OptionParser(optparse.OptionParser): 24 class OptionParser(optparse.OptionParser):
25 def exit(self, status=0, msg=None): 25 def exit(self, status=0, msg=None):
26 if msg: 26 if msg:
73 if os.system('which %s' % (editor)): 73 if os.system('which %s' % (editor)):
74 break 74 break
75 75
76 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive'] 76 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
77 terminators = ';\n' 77 terminators = ';\n'
78 _TO_PASTE_BUFFER = 1
78 def do_cmdenvironment(self, args): 79 def do_cmdenvironment(self, args):
79 self.stdout.write(""" 80 self.stdout.write("""
80 Commands are %(casesensitive)scase-sensitive. 81 Commands are %(casesensitive)scase-sensitive.
81 Commands may be terminated with: %(terminators)s 82 Commands may be terminated with: %(terminators)s
82 Settable parameters: %(settable)s 83 Settable parameters: %(settable)s
114 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip()) 115 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip())
115 if redirect: 116 if redirect:
116 if not self.legalFileName.search(redirect): 117 if not self.legalFileName.search(redirect):
117 return statement, None 118 return statement, None
118 else: 119 else:
119 redirect = 1 120 redirect = self._TO_PASTE_BUFFER
120 return newStatement, redirect 121 return newStatement, redirect
121 122
122 def extractCommand(self, statement): 123 def extractCommand(self, statement):
123 try: 124 try:
124 (command, args) = statement.split(None,1) 125 (command, args) = statement.split(None,1)
139 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated) 140 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated)
140 if redirect: 141 if redirect:
141 return newStatement, redirect, 'r' 142 return newStatement, redirect, 'r'
142 return statement, '', '' 143 return statement, '', ''
143 144
145 def pasteBufferProcess(self, mode='read'):
146 if mode == 'read':
147 command = 'xclip -o -sel clip'
148 else:
149 command = 'xclip -sel clip'
150 return subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
151
144 def onecmd(self, line): 152 def onecmd(self, line):
145 """Interpret the argument as though it had been typed in response 153 """Interpret the argument as though it had been typed in response
146 to the prompt. 154 to the prompt.
147 155
148 This may be overridden, but should not normally need to be; 156 This may be overridden, but should not normally need to be;
155 statement = ' '.join([command, args]) 163 statement = ' '.join([command, args])
156 if command in self.multilineCommands: 164 if command in self.multilineCommands:
157 statement = self.finishStatement(statement) 165 statement = self.finishStatement(statement)
158 statekeeper = None 166 statekeeper = None
159 statement, redirect, mode = self.parseRedirectors(statement) 167 statement, redirect, mode = self.parseRedirectors(statement)
160 if redirect == 1: 168 if redirect == self._TO_PASTE_BUFFER:
161 if mode in ('a', 'r'): 169 if mode in ('a', 'r'):
162 clipcontents = subprocess.Popen('xclip -o -sel clip', shell=True, stdout=subprocess.PIPE).stdout.read() 170 clipcontents = self.pasteBufferProcess('read').stdout.read()
163 if mode in ('w', 'a'): 171 if mode in ('w', 'a'):
164 statekeeper = Statekeeper(self, ('stdout',)) 172 statekeeper = Statekeeper(self, ('stdout',))
165 self.stdout = subprocess.Popen('xclip -sel clip', shell=True, stdin=subprocess.PIPE).stdin 173 self.stdout = self.pasteBufferProcess('write').stdin
166 if mode == 'a': 174 if mode == 'a':
167 self.stdout.write(clipcontents + '\n') 175 self.stdout.write(clipcontents)
168 else: 176 else:
169 statement = '%s %s' % (statement, clipcontents) 177 statement = '%s %s' % (statement, clipcontents)
170 elif redirect: 178 elif redirect:
171 if mode in ('w','a'): 179 if mode in ('w','a'):
172 statekeeper = Statekeeper(self, ('stdout',)) 180 statekeeper = Statekeeper(self, ('stdout',))