python-cmd2: cmd2.py annotate

annotate cmd2.py @ 27:a76798cde34c

hooray, pasting working in windows

author	catherine@cordelia
date	Sun, 18 May 2008 07:24:51 -0400
parents	82dde2f60e46
children	28b3fb301d3d

rev	line source
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	1 """Variant on standard library's cmd with extra features.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	2
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	3 To use, simply import cmd2.Cmd instead of cmd.Cmd; use precisely as though you
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	4 were using the standard library's cmd, while enjoying the extra features.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	5
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	6 Searchable command history (commands: "hi", "li", "run")
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	7 Load commands from file, save to file, edit commands in file
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	8 Multi-line commands
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	9 Case-insensitive commands
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	10 Special-character shortcut commands (beyond cmd's "@" and "!")
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	11 Settable environment parameters
13 c6e8b645c0ab tweaking docs catherine@localhost parents: 12 diff changeset	12 Parsing commands with `optparse` options (flags)
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	13 Redirection to file with >, >>; input from file with <
13 c6e8b645c0ab tweaking docs catherine@localhost parents: 12 diff changeset	14
14 a242603905d9 ready to release 0.3.0 catherine@localhost parents: 13 diff changeset	15 - Catherine Devlin, Jan 03 2008 - catherinedevlin.blogspot.com
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	16
14 a242603905d9 ready to release 0.3.0 catherine@localhost parents: 13 diff changeset	17 CHANGES:
a242603905d9 ready to release 0.3.0 catherine@localhost parents: 13 diff changeset	18 As of 0.3.0, options should be specified as `optparse` options. See README.txt.
a242603905d9 ready to release 0.3.0 catherine@localhost parents: 13 diff changeset	19 flagReader.py options are still supported for backward compatibility
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	20 """
23 37bff80ef816 refactoring, no failure mode yet catherine@localhost parents: 22 diff changeset	21 import cmd, re, os, sys, optparse, subprocess, tempfile
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	22 from optparse import make_option
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	23 try:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	24 import win32clipboard
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	25 except:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	26 pass
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	27
11 34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	28 class OptionParser(optparse.OptionParser):
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	29 def exit(self, status=0, msg=None):
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	30 if msg:
15 0eb8d4e18472 fixed error handling catherine@localhost parents: 14 diff changeset	31 print msg
11 34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	32
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	33 def error(self, msg):
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	34 """error(msg : string)
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	35
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	36 Print a usage message incorporating 'msg' to stderr and exit.
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	37 If you override this in a subclass, it should not return -- it
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	38 should either exit or raise an exception.
34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	39 """
15 0eb8d4e18472 fixed error handling catherine@localhost parents: 14 diff changeset	40 #print msg
0eb8d4e18472 fixed error handling catherine@localhost parents: 14 diff changeset	41 #print self.format_help()
0eb8d4e18472 fixed error handling catherine@localhost parents: 14 diff changeset	42 raise
11 34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	43
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	44 def options(option_list):
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	45 def option_setup(func):
11 34107b79c840 working the refactor still catherine@localhost parents: 10 diff changeset	46 optionParser = OptionParser()
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	47 for opt in option_list:
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	48 optionParser.add_option(opt)
12 b636cb715925 tested catherine@localhost parents: 11 diff changeset	49 optionParser.set_usage("%s [options] arg" % func.__name__.strip('do_'))
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	50 def newFunc(instance, arg):
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	51 try:
20 c8efa4369189 fixes to option parsing catherine@cordelia parents: 15 diff changeset	52 opts, arg = optionParser.parse_args(arg.split())
c8efa4369189 fixes to option parsing catherine@cordelia parents: 15 diff changeset	53 except (optparse.OptionValueError, optparse.BadOptionError,
c8efa4369189 fixes to option parsing catherine@cordelia parents: 15 diff changeset	54 optparse.OptionError, optparse.AmbiguousOptionError,
c8efa4369189 fixes to option parsing catherine@cordelia parents: 15 diff changeset	55 optparse.OptionConflictError), e:
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	56 print e
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	57 optionParser.print_help()
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	58 return
15 0eb8d4e18472 fixed error handling catherine@localhost parents: 14 diff changeset	59 result = func(instance, arg, opts)
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	60 return result
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	61 newFunc.__doc__ = '%s\n%s' % (func.__doc__, optionParser.format_help())
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	62 return newFunc
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	63 return option_setup
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	64
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	65 class PasteBufferError(EnvironmentError):
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	66 if sys.platform[:3] == 'win':
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	67 errmsg = """Redirecting to or from paste buffer requires pywin32
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	68 to be installed on operating system.
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	69 Download from http://sourceforge.net/projects/pywin32/"""
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	70 else:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	71 errmsg = """Redirecting to or from paste buffer requires xclip
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	72 to be installed on operating system.
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	73 On Debian/Ubuntu, 'sudo apt-get install xclip' will install it."""
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	74 def __init__(self, msg):
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	75 Exception.__init__(self, self.errmsg)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	76
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	77 if sys.platform[:3] == 'win':
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	78 def getPasteBuffer():
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	79 if not win32clipboard:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	80 raise PasteBufferError
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	81 win32clipboard.OpenClipboard(0)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	82 try:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	83 result = win32clipboard.GetClipboardData()
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	84 except TypeError:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	85 result = '' #non-text
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	86 win32clipboard.CloseClipboard()
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	87 return result
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	88 def writeToPasteBuffer(txt):
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	89 if not win32clipboard:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	90 raise PasteBufferError
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	91 win32clipboard.OpenClipboard(0)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	92 win32clipboard.EmptyClipboard()
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	93 win32clipboard.SetClipboardText(txt)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	94 win32clipboard.CloseClipboard()
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	95 else:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	96 def getPasteBuffer():
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	97 try:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	98 xclipproc = subprocess.check_call('xc1ip -o -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	99 except subprocess.CalledProcessError:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	100 raise PasteBufferError
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	101 return xclipproc.stdout.read()
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	102 def writeToPasteBuffer(txt):
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	103 try:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	104 xclipproc = subprocess.check_call('xclip -sel clip', shell=True, stdout=subprocess.PIPE, stdin=subprocess.PIPE)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	105 except subprocess.CalledProcessError:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	106 raise PasteBufferError
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	107 xclipporc.stdin.write(txt)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	108
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	109 class Cmd(cmd.Cmd):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	110 caseInsensitive = True
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	111 multilineCommands = []
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	112 continuationPrompt = '> '
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	113 shortcuts = {'?': 'help', '!': 'shell', '@': 'load'}
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	114 excludeFromHistory = '''run r list l history hi ed li eof'''.split()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	115 defaultExtension = 'txt'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	116 defaultFileName = 'command.txt'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	117 editor = os.environ.get('EDITOR')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	118 if not editor:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	119 if sys.platform[:3] == 'win':
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	120 editor = 'notepad'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	121 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	122 for editor in ['gedit', 'kate', 'vim', 'emacs', 'nano', 'pico']:
21 24fbec27d66f os.system returns 0 on success, silly catherine@localhost parents: 15 diff changeset	123 if os.system('which %s' % (editor)):
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	124 break
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	125
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	126 settable = ['prompt', 'continuationPrompt', 'defaultFileName', 'editor', 'caseInsensitive']
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	127 terminators = ';\n'
23 37bff80ef816 refactoring, no failure mode yet catherine@localhost parents: 22 diff changeset	128 _TO_PASTE_BUFFER = 1
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	129 def do_cmdenvironment(self, args):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	130 self.stdout.write("""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	131 Commands are %(casesensitive)scase-sensitive.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	132 Commands may be terminated with: %(terminators)s
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	133 Settable parameters: %(settable)s
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	134 """ %
2 1ea887b51cad python 2.4 compatibility catherine@DellZilla.myhome.westell.com parents: 0 diff changeset	135 { 'casesensitive': ('not ' and self.caseInsensitive) or '',
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	136 'terminators': ' '.join(self.terminators),
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	137 'settable': ' '.join(self.settable)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	138 })
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	139
10 47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	140 def do_help(self, arg):
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	141 cmd.Cmd.do_help(self, arg)
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	142 try:
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	143 fn = getattr(self, 'do_' + arg)
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	144 if fn and fn.optionParser:
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	145 fn.optionParser.print_help(file=self.stdout)
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	146 except AttributeError:
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	147 pass
47af95ad83c7 working the refactor still catherine@localhost parents: 4 diff changeset	148
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	149 def __init__(self, args, *kwargs):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	150 cmd.Cmd.__init__(self, args, *kwargs)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	151 self.history = History()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	152
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	153 def do_shortcuts(self, args):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	154 """Lists single-key shortcuts available."""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	155 result = "\n".join('%s: %s' % (sc[0], sc[1]) for sc in self.shortcuts.items())
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	156 self.stdout.write("Single-key shortcuts for other commands:\n%s\n" % (result))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	157
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	158 legalFileName = re.compile(r'''^[^"'\s]+$''')
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	159 def parseRedirector(self, statement, symbol, mustBeTerminated=False):
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	160 parts = statement.split(symbol)
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	161 if (len(parts) < 2):
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	162 return statement, None
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	163 if mustBeTerminated and (parts[-2].strip()[-1] not in self.terminators):
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	164 return statement, None
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	165 (newStatement, redirect) = (symbol.join(parts[:-1]), parts[-1].strip())
22 354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	166 if redirect:
354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	167 if not self.legalFileName.search(redirect):
354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	168 return statement, None
354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	169 else:
23 37bff80ef816 refactoring, no failure mode yet catherine@localhost parents: 22 diff changeset	170 redirect = self._TO_PASTE_BUFFER
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	171 return newStatement, redirect
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	172
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	173 def extractCommand(self, statement):
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	174 try:
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	175 (command, args) = statement.split(None,1)
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	176 except ValueError:
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	177 (command, args) = statement, ''
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	178 if self.caseInsensitive:
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	179 command = command.lower()
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	180 return command, args
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	181
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	182 def parseRedirectors(self, statement):
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	183 mustBeTerminated = self.extractCommand(statement)[0] in self.multilineCommands
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	184 newStatement, redirect = self.parseRedirector(statement, '>>', mustBeTerminated)
22 354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	185 if redirect:
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	186 return newStatement, redirect, 'a'
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	187 newStatement, redirect = self.parseRedirector(statement, '>', mustBeTerminated)
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	188 if redirect:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	189 return newStatement, redirect, 'w'
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	190 newStatement, redirect = self.parseRedirector(statement, '<', mustBeTerminated)
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	191 if redirect:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	192 return newStatement, redirect, 'r'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	193 return statement, '', ''
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	194
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	195 def onecmd(self, line):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	196 """Interpret the argument as though it had been typed in response
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	197 to the prompt.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	198
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	199 This may be overridden, but should not normally need to be;
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	200 see the precmd() and postcmd() methods for useful execution hooks.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	201 The return value is a flag indicating whether interpretation of
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	202 commands by the interpreter should stop.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	203
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	204 """
4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	205 command, args = self.extractCommand(line)
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	206 statement = ' '.join([command, args])
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	207 if command in self.multilineCommands:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	208 statement = self.finishStatement(statement)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	209 statekeeper = None
25 6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	210 stop = 0
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	211 statement, redirect, mode = self.parseRedirectors(statement)
23 37bff80ef816 refactoring, no failure mode yet catherine@localhost parents: 22 diff changeset	212 if redirect == self._TO_PASTE_BUFFER:
25 6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	213 try:
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	214 clipcontents = getPasteBuffer()
25 6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	215 if mode in ('w', 'a'):
6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	216 statekeeper = Statekeeper(self, ('stdout',))
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	217 self.stdout = tempfile.TemporaryFile()
25 6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	218 if mode == 'a':
6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	219 self.stdout.write(clipcontents)
6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	220 else:
6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	221 statement = '%s %s' % (statement, clipcontents)
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	222 except PasteBufferError:
25 6948d1f9e4b4 missing xclip half-working catherine@localhost parents: 24 diff changeset	223 return 0
22 354a6b713d36 paste working! (linux) catherine@localhost parents: 21 diff changeset	224 elif redirect:
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	225 if mode in ('w','a'):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	226 statekeeper = Statekeeper(self, ('stdout',))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	227 self.stdout = open(redirect, mode)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	228 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	229 statement = '%s %s' % (statement, self.fileimport(statement=statement, source=redirect))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	230 stop = cmd.Cmd.onecmd(self, statement)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	231 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	232 if command not in self.excludeFromHistory:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	233 self.history.append(statement)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	234 finally:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	235 if statekeeper:
27 a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	236 if redirect == self._TO_PASTE_BUFFER:
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	237 self.stdout.seek(0)
a76798cde34c hooray, pasting working in windows catherine@cordelia parents: 26 diff changeset	238 writeToPasteBuffer(self.stdout.read())
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	239 self.stdout.close()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	240 statekeeper.restore()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	241 return stop
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	242
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	243 statementEndPattern = re.compile(r'[%s]\s*$' % terminators)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	244 def statementHasEnded(self, lines):
3 4520a1a073ff require terminator for redirection catherine@cordelia parents: 2 diff changeset	245 #import pdb; pdb.set_trace()
0 febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	246 return bool(self.statementEndPattern.search(lines)) \
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	247 or lines[-3:] == 'EOF' \
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	248 or self.parseRedirectors(lines)[1]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	249
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	250 def finishStatement(self, firstline):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	251 statement = firstline
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	252 while not self.statementHasEnded(statement):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	253 inp = self.pseudo_raw_input(self.continuationPrompt)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	254 statement = '%s\n%s' % (statement, inp)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	255 return statement
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	256 # assembling a list of lines and joining them at the end would be faster,
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	257 # but statementHasEnded needs a string arg; anyway, we're getting
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	258 # user input and users are slow.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	259
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	260 def pseudo_raw_input(self, prompt):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	261 """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	262
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	263 if self.use_rawinput:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	264 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	265 line = raw_input(prompt)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	266 except EOFError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	267 line = 'EOF'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	268 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	269 self.stdout.write(prompt)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	270 self.stdout.flush()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	271 line = self.stdin.readline()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	272 if not len(line):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	273 line = 'EOF'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	274 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	275 if line[-1] == '\n': # this was always true in Cmd
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	276 line = line[:-1]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	277 return line
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	278
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	279 def cmdloop(self, intro=None):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	280 """Repeatedly issue a prompt, accept input, parse an initial prefix
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	281 off the received input, and dispatch to action methods, passing them
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	282 the remainder of the line as argument.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	283 """
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	284
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	285 # An almost perfect copy from Cmd; however, the pseudo_raw_input portion
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	286 # has been split out so that it can be called separately
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	287
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	288 self.preloop()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	289 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	290 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	291 import readline
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	292 self.old_completer = readline.get_completer()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	293 readline.set_completer(self.complete)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	294 readline.parse_and_bind(self.completekey+": complete")
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	295 except ImportError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	296 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	297 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	298 if intro is not None:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	299 self.intro = intro
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	300 if self.intro:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	301 self.stdout.write(str(self.intro)+"\n")
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	302 stop = None
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	303 while not stop:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	304 if self.cmdqueue:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	305 line = self.cmdqueue.pop(0)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	306 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	307 line = self.pseudo_raw_input(self.prompt)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	308 line = self.precmd(line)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	309 stop = self.onecmd(line)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	310 stop = self.postcmd(stop, line)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	311 self.postloop()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	312 finally:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	313 if self.use_rawinput and self.completekey:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	314 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	315 import readline
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	316 readline.set_completer(self.old_completer)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	317 except ImportError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	318 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	319
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	320 def do_EOF(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	321 return True
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	322 do_eof = do_EOF
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	323
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	324 def clean(self, s):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	325 """cleans up a string"""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	326 if self.caseInsensitive:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	327 return s.strip().lower()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	328 return s.strip()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	329
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	330 def parseline(self, line):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	331 """Parse the line into a command name and a string containing
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	332 the arguments. Returns a tuple containing (command, args, line).
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	333 'command' and 'args' may be None if the line couldn't be parsed.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	334 """
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	335 line = line.strip()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	336 if not line:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	337 return None, None, line
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	338 shortcut = self.shortcuts.get(line[0])
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	339 if shortcut and hasattr(self, 'do_%s' % shortcut):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	340 line = '%s %s' % (shortcut, line[1:])
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	341 i, n = 0, len(line)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	342 while i < n and line[i] in self.identchars: i = i+1
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	343 cmd, arg = line[:i], line[i:].strip().strip(self.terminators)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	344 return cmd, arg, line
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	345
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	346 def showParam(self, param):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	347 param = self.clean(param)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	348 if param in self.settable:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	349 val = getattr(self, param)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	350 self.stdout.write('%s: %s\n' % (param, str(getattr(self, param))))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	351
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	352 def do_quit(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	353 return 1
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	354 do_exit = do_quit
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	355 do_q = do_quit
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	356
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	357 def do_show(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	358 'Shows value of a parameter'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	359 if arg.strip():
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	360 self.showParam(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	361 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	362 for param in self.settable:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	363 self.showParam(param)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	364
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	365 def do_set(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	366 'Sets a parameter'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	367 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	368 paramName, val = arg.split(None, 1)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	369 paramName = self.clean(paramName)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	370 if paramName not in self.settable:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	371 raise NotSettableError
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	372 currentVal = getattr(self, paramName)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	373 val = cast(currentVal, val.strip(self.terminators))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	374 setattr(self, paramName, val)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	375 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	376 except (ValueError, AttributeError, NotSettableError), e:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	377 self.do_show(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	378
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	379 def do_shell(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	380 'execute a command as if at the OS prompt.'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	381 os.system(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	382
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	383 def do_history(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	384 """history [arg]: lists past commands issued
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	385
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	386 no arg -> list all
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	387 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	388 arg is string -> string search
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	389 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	390 """
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	391 if arg:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	392 history = self.history.get(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	393 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	394 history = self.history
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	395 for hi in history:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	396 self.stdout.write(hi.pr())
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	397 def last_matching(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	398 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	399 if arg:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	400 return self.history.get(arg)[-1]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	401 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	402 return self.history[-1]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	403 except:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	404 return None
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	405 def do_list(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	406 """list [arg]: lists last command issued
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	407
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	408 no arg -> list absolute last
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	409 arg is integer -> list one history item, by index
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	410 - arg, arg - (integer) -> list up to or after #arg
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	411 arg is string -> list last command matching string search
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	412 arg is /enclosed in forward-slashes/ -> regular expression search
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	413 """
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	414 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	415 self.stdout.write(self.last_matching(arg).pr())
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	416 except:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	417 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	418 do_hi = do_history
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	419 do_l = do_list
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	420 do_li = do_list
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	421
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	422 def do_ed(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	423 """ed: edit most recent command in text editor
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	424 ed [N]: edit numbered command from history
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	425 ed [filename]: edit specified file name
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	426
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	427 commands are run after editor is closed.
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	428 "set edit (program-name)" or set EDITOR environment variable
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	429 to control which editing program is used."""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	430 if not self.editor:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	431 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	432 return
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	433 filename = self.defaultFileName
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	434 buffer = ''
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	435 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	436 arg = int(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	437 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	438 except:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	439 if arg:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	440 filename = arg
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	441 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	442 buffer = self.last_matching(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	443
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	444 if buffer:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	445 f = open(filename, 'w')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	446 f.write(buffer or '')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	447 f.close()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	448
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	449 os.system('%s %s' % (self.editor, filename))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	450 self.do_load(filename)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	451 do_edit = do_ed
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	452
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	453 def do_save(self, fname=None):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	454 """Saves most recent command to a file."""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	455
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	456 if fname is None:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	457 fname = self.defaultFileName
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	458 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	459 f = open(fname, 'w')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	460 f.write(self.history[-1])
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	461 f.close()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	462 except Exception, e:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	463 print 'Error saving %s: %s' % (fname, str(e))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	464
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	465 def do_load(self, fname=None):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	466 """Runs command(s) from a file."""
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	467 if fname is None:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	468 fname = self.defaultFileName
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	469 keepstate = Statekeeper(self, ('stdin','use_rawinput','prompt','continuationPrompt'))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	470 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	471 self.stdin = open(fname, 'r')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	472 except IOError, e:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	473 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	474 self.stdin = open('%s.%s' % (fname, self.defaultExtension), 'r')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	475 except IOError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	476 print 'Problem opening file %s: \n%s' % (fname, e)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	477 keepstate.restore()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	478 return
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	479 self.use_rawinput = False
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	480 self.prompt = self.continuationPrompt = ''
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	481 self.cmdloop()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	482 self.stdin.close()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	483 keepstate.restore()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	484 self.lastcmd = ''
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	485
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	486 def do_run(self, arg):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	487 """run [arg]: re-runs an earlier command
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	488
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	489 no arg -> run most recent command
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	490 arg is integer -> run one history item, by index
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	491 arg is string -> run most recent command by string search
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	492 arg is /enclosed in forward-slashes/ -> run most recent by regex
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	493 """
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	494 'run [N]: runs the SQL that was run N commands ago'
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	495 runme = self.last_matching(arg)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	496 print runme
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	497 if runme:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	498 runme = self.precmd(runme)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	499 stop = self.onecmd(runme)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	500 stop = self.postcmd(stop, runme)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	501 do_r = do_run
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	502
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	503 def fileimport(self, statement, source):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	504 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	505 f = open(source)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	506 except IOError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	507 self.stdout.write("Couldn't read from file %s\n" % source)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	508 return ''
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	509 data = f.read()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	510 f.close()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	511 return data
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	512
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	513 class HistoryItem(str):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	514 def __init__(self, instr):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	515 str.__init__(self, instr)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	516 self.lowercase = self.lower()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	517 self.idx = None
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	518 def pr(self):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	519 return '-------------------------[%d]\n%s\n' % (self.idx, str(self))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	520
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	521 class History(list):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	522 rangeFrom = re.compile(r'^([\d])+\s*\-$')
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	523 def append(self, new):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	524 new = HistoryItem(new)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	525 list.append(self, new)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	526 new.idx = len(self)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	527 def extend(self, new):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	528 for n in new:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	529 self.append(n)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	530 def get(self, getme):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	531 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	532 getme = int(getme)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	533 if getme < 0:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	534 return self[:(-1 * getme)]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	535 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	536 return [self[getme-1]]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	537 except IndexError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	538 return []
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	539 except (ValueError, TypeError):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	540 getme = getme.strip()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	541 mtch = self.rangeFrom.search(getme)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	542 if mtch:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	543 return self[(int(mtch.group(1))-1):]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	544 if getme.startswith(r'/') and getme.endswith(r'/'):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	545 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	546 def isin(hi):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	547 return finder.search(hi)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	548 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	549 def isin(hi):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	550 return (getme.lower() in hi.lowercase)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	551 return [itm for itm in self if isin(itm)]
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	552
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	553 class NotSettableError(Exception):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	554 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	555
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	556 def cast(current, new):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	557 """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	558 typ = type(current)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	559 if typ == bool:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	560 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	561 return bool(int(new))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	562 except ValueError, TypeError:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	563 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	564 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	565 new = new.lower()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	566 except:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	567 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	568 if (new=='on') or (new[0] in ('y','t')):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	569 return True
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	570 if (new=='off') or (new[0] in ('n','f')):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	571 return False
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	572 else:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	573 try:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	574 return typ(new)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	575 except:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	576 pass
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	577 print "Problem setting parameter (now %s) to %s; incorrect type?" % (current, new)
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	578 return current
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	579
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	580 class Statekeeper(object):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	581 def __init__(self, obj, attribs):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	582 self.obj = obj
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	583 self.attribs = attribs
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	584 self.save()
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	585 def save(self):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	586 for attrib in self.attribs:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	587 setattr(self, attrib, getattr(self.obj, attrib))
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	588 def restore(self):
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	589 for attrib in self.attribs:
febfdc79550b moved repository to Assembla catherine@DellZilla.myhome.westell.com parents: diff changeset	590 setattr(self.obj, attrib, getattr(self, attrib))

Mercurial > python-cmd2

annotate cmd2.py @ 27:a76798cde34c