255 lines
9.4 KiB
Python
255 lines
9.4 KiB
Python
##---------------------------------------------------------------------------##
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##
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## idle - configuration data handler, based on and replacing IdleConfig.py
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## elguavas
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##
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##---------------------------------------------------------------------------##
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"""
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Provides access to stored idle configuration information
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"""
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import os
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import sys
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from ConfigParser import ConfigParser, NoOptionError, NoSectionError
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class IdleConfParser(ConfigParser):
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"""
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A ConfigParser specialised for idle configuration file handling
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"""
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def __init__(self, cfgFile, cfgDefaults=None):
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"""
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cfgFile - string, fully specified configuration file name
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"""
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self.file=cfgFile
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ConfigParser.__init__(self,defaults=cfgDefaults)
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def Get(self, section, option, default=None, type=None):
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"""
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Get an option value for given section/option or return default.
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If type is specified, return as type.
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"""
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if type=='bool':
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getVal=self.getboolean
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elif type=='int':
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getVal=self.getint
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else:
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getVal=self.get
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if self.has_option(section,option):
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#return getVal(section, option, raw, vars)
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return getVal(section, option)
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else:
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return default
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def GetOptionList(self,section):
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"""
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Get an option list for given section
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"""
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if self.has_section:
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return self.options(section)
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else: #return a default value
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return []
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def Load(self):
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"""
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Load the configuration file from disk
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"""
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self.read(self.file)
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class IdleUserConfParser(IdleConfParser):
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"""
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IdleConfigParser specialised for user configuration handling
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"""
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def Save(self):
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"""
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write loaded user configuration file back to disk
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"""
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# this is a user config, it can be written to disk
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self.write()
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class IdleConf:
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"""
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holds config parsers for all idle config files:
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default config files
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(idle install dir)/config-main.def
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(idle install dir)/config-extensions.def
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(idle install dir)/config-highlight.def
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(idle install dir)/config-keys.def
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user config files
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(user home dir)/.idlerc/idle-main.cfg
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(user home dir)/.idlerc/idle-extensions.cfg
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(user home dir)/.idlerc/idle-highlight.cfg
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(user home dir)/.idlerc/idle-keys.cfg
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"""
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def __init__(self):
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self.defaultCfg={}
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self.userCfg={}
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self.cfg={}
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self.CreateConfigHandlers()
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self.LoadCfgFiles()
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#self.LoadCfg()
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def CreateConfigHandlers(self):
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"""
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set up a dictionary config parsers for default and user
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configurations respectively
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"""
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#build idle install path
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if __name__ != '__main__': # we were imported
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idledir=os.path.dirname(__file__)
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else: # we were exec'ed (for testing only)
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idledir=os.path.abspath(sys.path[0])
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#print idledir
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try: #build user home path
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userdir = os.environ['HOME'] #real home directory
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except KeyError:
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userdir = os.getcwd() #hack for os'es without real homedirs
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userdir=os.path.join(userdir,'.idlerc')
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#print userdir
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if not os.path.exists(userdir):
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os.mkdir(userdir)
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configTypes=('main','extensions','highlight','keys')
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defCfgFiles={}
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usrCfgFiles={}
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for cfgType in configTypes: #build config file names
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defCfgFiles[cfgType]=os.path.join(idledir,'config-'+cfgType+'.def')
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usrCfgFiles[cfgType]=os.path.join(userdir,'idle-'+cfgType+'.cfg')
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for cfgType in configTypes: #create config parsers
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self.defaultCfg[cfgType]=IdleConfParser(defCfgFiles[cfgType])
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self.userCfg[cfgType]=IdleUserConfParser(usrCfgFiles[cfgType])
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def GetOption(self, configType, section, option, default=None, type=None):
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"""
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Get an option value for given config type and given general
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configuration section/option or return a default. If type is specified,
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return as type. Firstly the user configuration is checked, with a
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fallback to the default configuration, and a final 'catch all'
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fallback to a useable passed-in default if the option isn't present in
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either the user or the default configuration.
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configType must be one of ('main','extensions','highlight','keys')
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"""
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if self.userCfg[configType].has_option(section,option):
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return self.userCfg[configType].Get(section, option, type=type)
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elif self.defaultCfg[configType].has_option(section,option):
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return self.defaultCfg[configType].Get(section, option, type=type)
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else:
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return default
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def GetSectionList(self, configSet, configType):
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"""
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Get a list of sections from either the user or default config for
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the given config type.
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configSet must be either 'user' or 'default'
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configType must be one of ('extensions','highlight','keys')
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"""
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if not (configType in ('extensions','highlight','keys')):
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raise 'Invalid configType specified'
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if configSet == 'user':
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cfgParser=self.userCfg[configType]
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elif configSet == 'default':
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cfgParser=self.defaultCfg[configType]
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else:
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raise 'Invalid configSet specified'
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return cfgParser.sections()
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def GetHighlight(self, theme, element):
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#get some fallback defaults
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defaultFg=self.GetOption('highlight', theme, 'normal' + "-foreground",
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default='#000000')
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defaultBg=self.GetOption('highlight', theme, 'normal' + "-background",
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default='#ffffff')
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#try for requested element colours
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fore = self.GetOption('highlight', theme, element + "-foreground")
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back = self.GetOption('highlight', theme, element + "-background")
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#fall back if required
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if not fore: fore=defaultFg
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if not back: back=defaultBg
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return {"foreground": fore,
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"background": back}
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def GetTheme(self, name=None):
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"""
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Gets the requested theme or returns a final fallback theme in case
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one can't be obtained from either the user or default config files.
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"""
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pass
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def GetKeys(self, keySetName=None):
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"""
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returns the requested keybindings, with fallbacks if required.
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"""
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#default keybindings.
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#keybindings loaded from the config file(s) are loaded _over_ these
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#defaults, so if there is a problem getting any binding there will
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#be an 'ultimate last resort fallback' to the CUA-ish bindings
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#defined here.
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keyBindings={
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'<<Copy>>': ['<Control-c>', '<Control-C>'],
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'<<Cut>>': ['<Control-x>', '<Control-X>'],
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'<<Paste>>': ['<Control-v>', '<Control-V>'],
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'<<beginning-of-line>>': ['<Control-a>', '<Home>'],
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'<<center-insert>>': ['<Control-l>'],
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'<<close-all-windows>>': ['<Control-q>'],
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'<<close-window>>': ['<Alt-F4>'],
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'<<dump-undo-state>>': ['<Control-backslash>'],
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'<<end-of-file>>': ['<Control-d>'],
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'<<python-docs>>': ['<F1>'],
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'<<python-context-help>>': ['<Shift-F1>'],
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'<<history-next>>': ['<Alt-n>'],
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'<<history-previous>>': ['<Alt-p>'],
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'<<interrupt-execution>>': ['<Control-c>'],
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'<<open-class-browser>>': ['<Alt-c>'],
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'<<open-module>>': ['<Alt-m>'],
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'<<open-new-window>>': ['<Control-n>'],
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'<<open-window-from-file>>': ['<Control-o>'],
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'<<plain-newline-and-indent>>': ['<Control-j>'],
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'<<redo>>': ['<Control-y>'],
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'<<remove-selection>>': ['<Escape>'],
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'<<save-copy-of-window-as-file>>': ['<Alt-Shift-s>'],
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'<<save-window-as-file>>': ['<Alt-s>'],
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'<<save-window>>': ['<Control-s>'],
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'<<select-all>>': ['<Alt-a>'],
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'<<toggle-auto-coloring>>': ['<Control-slash>'],
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'<<undo>>': ['<Control-z>']}
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if keySetName:
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pass
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return keyBindings
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def LoadCfgFiles(self):
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"""
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load all configuration files.
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"""
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for key in self.defaultCfg.keys():
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self.defaultCfg[key].Load()
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self.userCfg[key].Load() #same keys
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def SaveUserCfgFiles(self):
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"""
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write all loaded user configuration files back to disk
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"""
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for key in self.userCfg.keys():
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self.userCfg[key].Save()
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idleConf=IdleConf()
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### module test
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if __name__ == '__main__':
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def dumpCfg(cfg):
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print '\n',cfg,'\n'
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for key in cfg.keys():
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sections=cfg[key].sections()
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print key
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print sections
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for section in sections:
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options=cfg[key].options(section)
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print section
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print options
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for option in options:
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print option, '=', cfg[key].Get(section,option)
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dumpCfg(idleConf.defaultCfg)
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dumpCfg(idleConf.userCfg)
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print idleConf.userCfg['main'].Get('Theme','name')
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#print idleConf.userCfg['highlight'].GetDefHighlight('Foo','normal')
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