mirror of
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8e92bf7699
M EditorWindow.py M NEWS.txt M config-main.def M configDialog.py M configHandler.py M configHelpSourceEdit.py M configSectionNameDialog.py - Change default: IDLE now starts with Python Shell. - Removed the File Path from the Additional Help Sources scrolled list. - Add capability to access Additional Help Sources on the web if the Help File Path begins with //http or www. (Otherwise local path is validated, as before.) - Additional Help Sources were not being posted on the Help menu in the order entered. Implement sorting the list by [HelpFiles] 'option' number. - Add Browse button to New Help Source dialog. Arrange to start in Python/Doc if platform is Windows, otherwise start in current directory. - Put the Additional Help Sources directly on the Help menu instead of in an Extra Help cascade menu. Rearrange the Help menu so the Additional Help Sources come last. Update help.txt appropriately. - Fix Tk root pop-ups in configSectionNameDialog.py and configDialog.py
654 lines
26 KiB
Python
654 lines
26 KiB
Python
"""Provides access to stored IDLE configuration information.
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Refer to the comments at the beginning of config-main.def for a description of
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the available configuration files and the design implemented to update user
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configuration information. In particular, user configuration choices which
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duplicate the defaults will be removed from the user's configuration files,
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and if a file becomes empty, it will be deleted.
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The contents of the user files may be altered using the Options/Configure IDLE
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menu to access the configuration GUI (configDialog.py), or manually.
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Throughout this module there is an emphasis on returning useable defaults
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when a problem occurs in returning a requested configuration value back to
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idle. This is to allow IDLE to continue to function in spite of errors in
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the retrieval of config information. When a default is returned instead of
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a requested config value, a message is printed to stderr to aid in
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configuration problem notification and resolution.
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"""
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import os
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import sys
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import string
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from ConfigParser import ConfigParser, NoOptionError, NoSectionError
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class InvalidConfigType(Exception): pass
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class InvalidConfigSet(Exception): pass
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class InvalidFgBg(Exception): pass
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class InvalidTheme(Exception): pass
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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, type=None, default=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, default)
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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(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 AddSection(self,section):
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"""
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if section doesn't exist, add it
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"""
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if not self.has_section(section):
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self.add_section(section)
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def RemoveEmptySections(self):
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"""
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remove any sections that have no options
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"""
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for section in self.sections():
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if not self.GetOptionList(section):
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self.remove_section(section)
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def IsEmpty(self):
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"""
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Remove empty sections and then return 1 if parser has no sections
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left, else return 0.
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"""
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self.RemoveEmptySections()
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if self.sections():
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return 0
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else:
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return 1
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def RemoveOption(self,section,option):
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"""
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If section/option exists, remove it.
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Returns 1 if option was removed, 0 otherwise.
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"""
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if self.has_section(section):
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return self.remove_option(section,option)
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def SetOption(self,section,option,value):
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"""
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Sets option to value, adding section if required.
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Returns 1 if option was added or changed, otherwise 0.
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"""
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if self.has_option(section,option):
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if self.get(section,option)==value:
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return 0
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else:
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self.set(section,option,value)
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return 1
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else:
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if not self.has_section(section):
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self.add_section(section)
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self.set(section,option,value)
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return 1
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def RemoveFile(self):
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"""
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Removes the user config file from disk if it exists.
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"""
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if os.path.exists(self.file):
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os.remove(self.file)
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def Save(self):
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"""Update user configuration file.
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Remove empty sections. If resulting config isn't empty, write the file
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to disk. If config is empty, remove the file from disk if it exists.
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"""
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if not self.IsEmpty():
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cfgFile=open(self.file,'w')
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self.write(cfgFile)
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else:
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self.RemoveFile()
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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/config-main.cfg
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(user home dir)/.idlerc/config-extensions.cfg
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(user home dir)/.idlerc/config-highlight.cfg
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(user home dir)/.idlerc/config-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 of 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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userDir=self.GetUserCfgDir()
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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,'config-'+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 GetUserCfgDir(self):
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"""
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Creates (if required) and returns a filesystem directory for storing
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user config files.
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"""
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cfgDir='.idlerc'
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userDir=os.path.expanduser('~')
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if userDir != '~': #'HOME' exists as a key in os.environ
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if not os.path.exists(userDir):
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warn=('\n Warning: HOME environment variable points to\n '+
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userDir+'\n but the path does not exist.\n')
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sys.stderr.write(warn)
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userDir='~'
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if userDir=='~': #we still don't have a home directory
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#traditionally idle has defaulted to os.getcwd(), is this adeqate?
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userDir = os.getcwd() #hack for no real homedir
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userDir=os.path.join(userDir,cfgDir)
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if not os.path.exists(userDir):
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try: #make the config dir if it doesn't exist yet
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os.mkdir(userDir)
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except IOError:
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warn=('\n Warning: unable to create user config directory\n '+
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userDir+'\n')
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sys.stderr.write(warn)
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return userDir
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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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If a default is returned a warning is printed to stderr.
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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: #returning default, print warning
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warning=('\n Warning: configHandler.py - IdleConf.GetOption -\n'+
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' problem retrieving configration option '+`option`+'\n'+
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' from section '+`section`+'.\n'+
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' returning default value: '+`default`+'\n')
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sys.stderr.write(warning)
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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 ('main','extensions','highlight','keys')
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"""
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if not (configType in ('main','extensions','highlight','keys')):
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raise InvalidConfigType, '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 InvalidConfigSet, 'Invalid configSet specified'
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return cfgParser.sections()
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def GetHighlight(self, theme, element, fgBg=None):
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"""
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return individual highlighting theme elements.
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fgBg - string ('fg'or'bg') or None, if None return a dictionary
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containing fg and bg colours (appropriate for passing to Tkinter in,
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e.g., a tag_config call), otherwise fg or bg colour only as specified.
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"""
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if self.defaultCfg['highlight'].has_section(theme):
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themeDict=self.GetThemeDict('default',theme)
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else:
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themeDict=self.GetThemeDict('user',theme)
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fore=themeDict[element+'-foreground']
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if element=='cursor': #there is no config value for cursor bg
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back=themeDict['normal-background']
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else:
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back=themeDict[element+'-background']
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highlight={"foreground": fore,"background": back}
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if not fgBg: #return dict of both colours
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return highlight
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else: #return specified colour only
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if fgBg == 'fg':
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return highlight["foreground"]
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if fgBg == 'bg':
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return highlight["background"]
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else:
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raise InvalidFgBg, 'Invalid fgBg specified'
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def GetThemeDict(self,type,themeName):
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"""
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type - string, 'default' or 'user' theme type
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themeName - string, theme name
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Returns a dictionary which holds {option:value} for each element
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in the specified theme. Values are loaded over a set of ultimate last
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fallback defaults to guarantee that all theme elements are present in
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a newly created theme.
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"""
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if type == 'user':
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cfgParser=self.userCfg['highlight']
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elif type == 'default':
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cfgParser=self.defaultCfg['highlight']
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else:
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raise InvalidTheme, 'Invalid theme type specified'
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#foreground and background values are provded for each theme element
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#(apart from cursor) even though all these values are not yet used
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#by idle, to allow for their use in the future. Default values are
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#generally black and white.
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theme={ 'normal-foreground':'#000000',
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'normal-background':'#ffffff',
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'keyword-foreground':'#000000',
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'keyword-background':'#ffffff',
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'comment-foreground':'#000000',
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'comment-background':'#ffffff',
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'string-foreground':'#000000',
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'string-background':'#ffffff',
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'definition-foreground':'#000000',
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'definition-background':'#ffffff',
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'hilite-foreground':'#000000',
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'hilite-background':'gray',
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'break-foreground':'#ffffff',
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'break-background':'#000000',
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'hit-foreground':'#ffffff',
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'hit-background':'#000000',
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'error-foreground':'#ffffff',
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'error-background':'#000000',
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#cursor (only foreground can be set)
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'cursor-foreground':'#000000',
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#shell window
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'stdout-foreground':'#000000',
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'stdout-background':'#ffffff',
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'stderr-foreground':'#000000',
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'stderr-background':'#ffffff',
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'console-foreground':'#000000',
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'console-background':'#ffffff' }
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for element in theme.keys():
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if not cfgParser.has_option(themeName,element):
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#we are going to return a default, print warning
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warning=('\n Warning: configHandler.py - IdleConf.GetThemeDict'+
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' -\n problem retrieving theme element '+`element`+
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'\n from theme '+`themeName`+'.\n'+
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' returning default value: '+`theme[element]`+'\n')
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sys.stderr.write(warning)
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colour=cfgParser.Get(themeName,element,default=theme[element])
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theme[element]=colour
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return theme
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def CurrentTheme(self):
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"""
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Returns the name of the currently active theme
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"""
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return self.GetOption('main','Theme','name',default='')
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def CurrentKeys(self):
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"""
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Returns the name of the currently active key set
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"""
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return self.GetOption('main','Keys','name',default='')
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def GetExtensions(self, activeOnly=1):
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"""
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Gets a list of all idle extensions declared in the config files.
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activeOnly - boolean, if true only return active (enabled) extensions
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"""
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extns=self.RemoveKeyBindNames(
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self.GetSectionList('default','extensions'))
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userExtns=self.RemoveKeyBindNames(
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self.GetSectionList('user','extensions'))
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for extn in userExtns:
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if extn not in extns: #user has added own extension
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extns.append(extn)
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if activeOnly:
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activeExtns=[]
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for extn in extns:
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if self.GetOption('extensions',extn,'enable',default=1,
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type='bool'):
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#the extension is enabled
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activeExtns.append(extn)
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return activeExtns
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else:
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return extns
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def RemoveKeyBindNames(self,extnNameList):
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#get rid of keybinding section names
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names=extnNameList
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kbNameIndicies=[]
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for name in names:
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if name.endswith('_bindings') or name.endswith('_cfgBindings'):
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kbNameIndicies.append(names.index(name))
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kbNameIndicies.sort()
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kbNameIndicies.reverse()
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for index in kbNameIndicies: #delete each keybinding section name
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del(names[index])
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return names
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def GetExtnNameForEvent(self,virtualEvent):
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"""
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Returns the name of the extension that virtualEvent is bound in, or
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None if not bound in any extension.
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virtualEvent - string, name of the virtual event to test for, without
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the enclosing '<< >>'
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"""
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extName=None
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vEvent='<<'+virtualEvent+'>>'
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for extn in self.GetExtensions(activeOnly=0):
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for event in self.GetExtensionKeys(extn).keys():
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if event == vEvent:
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extName=extn
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return extName
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def GetExtensionKeys(self,extensionName):
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"""
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returns a dictionary of the configurable keybindings for a particular
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extension,as they exist in the dictionary returned by GetCurrentKeySet;
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that is, where previously used bindings are disabled.
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"""
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keysName=extensionName+'_cfgBindings'
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activeKeys=self.GetCurrentKeySet()
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extKeys={}
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if self.defaultCfg['extensions'].has_section(keysName):
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eventNames=self.defaultCfg['extensions'].GetOptionList(keysName)
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for eventName in eventNames:
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event='<<'+eventName+'>>'
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binding=activeKeys[event]
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extKeys[event]=binding
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return extKeys
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def __GetRawExtensionKeys(self,extensionName):
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"""
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returns a dictionary of the configurable keybindings for a particular
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extension, as defined in the configuration files, or an empty dictionary
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if no bindings are found
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"""
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keysName=extensionName+'_cfgBindings'
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extKeys={}
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if self.defaultCfg['extensions'].has_section(keysName):
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eventNames=self.defaultCfg['extensions'].GetOptionList(keysName)
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for eventName in eventNames:
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binding=self.GetOption('extensions',keysName,
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eventName,default='').split()
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event='<<'+eventName+'>>'
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extKeys[event]=binding
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return extKeys
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def GetExtensionBindings(self,extensionName):
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"""
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Returns a dictionary of all the event bindings for a particular
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extension. The configurable keybindings are returned as they exist in
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the dictionary returned by GetCurrentKeySet; that is, where re-used
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keybindings are disabled.
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"""
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bindsName=extensionName+'_bindings'
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extBinds=self.GetExtensionKeys(extensionName)
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#add the non-configurable bindings
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if self.defaultCfg['extensions'].has_section(bindsName):
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eventNames=self.defaultCfg['extensions'].GetOptionList(bindsName)
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for eventName in eventNames:
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binding=self.GetOption('extensions',bindsName,
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eventName,default='').split()
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event='<<'+eventName+'>>'
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extBinds[event]=binding
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return extBinds
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def GetKeyBinding(self, keySetName, eventStr):
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"""
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returns the keybinding for a specific event.
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keySetName - string, name of key binding set
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eventStr - string, the virtual event we want the binding for,
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represented as a string, eg. '<<event>>'
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"""
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eventName=eventStr[2:-2] #trim off the angle brackets
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binding=self.GetOption('keys',keySetName,eventName,default='').split()
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return binding
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def GetCurrentKeySet(self):
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return self.GetKeySet(self.CurrentKeys())
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def GetKeySet(self,keySetName):
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"""
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Returns a dictionary of: all requested core keybindings, plus the
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keybindings for all currently active extensions. If a binding defined
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in an extension is already in use, that binding is disabled.
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"""
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keySet=self.GetCoreKeys(keySetName)
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activeExtns=self.GetExtensions(activeOnly=1)
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for extn in activeExtns:
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extKeys=self.__GetRawExtensionKeys(extn)
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if extKeys: #the extension defines keybindings
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for event in extKeys.keys():
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if extKeys[event] in keySet.values():
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#the binding is already in use
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extKeys[event]='' #disable this binding
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keySet[event]=extKeys[event] #add binding
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return keySet
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def IsCoreBinding(self,virtualEvent):
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"""
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returns true if the virtual event is bound in the core idle keybindings.
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virtualEvent - string, name of the virtual event to test for, without
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the enclosing '<< >>'
|
|
"""
|
|
return ('<<'+virtualEvent+'>>') in self.GetCoreKeys().keys()
|
|
|
|
def GetCoreKeys(self, keySetName=None):
|
|
"""
|
|
returns the requested set of core keybindings, with fallbacks if
|
|
required.
|
|
Keybindings loaded from the config file(s) are loaded _over_ these
|
|
defaults, so if there is a problem getting any core binding there will
|
|
be an 'ultimate last resort fallback' to the CUA-ish bindings
|
|
defined here.
|
|
"""
|
|
keyBindings={
|
|
'<<copy>>': ['<Control-c>', '<Control-C>'],
|
|
'<<cut>>': ['<Control-x>', '<Control-X>'],
|
|
'<<paste>>': ['<Control-v>', '<Control-V>'],
|
|
'<<beginning-of-line>>': ['<Control-a>', '<Home>'],
|
|
'<<center-insert>>': ['<Control-l>'],
|
|
'<<close-all-windows>>': ['<Control-q>'],
|
|
'<<close-window>>': ['<Alt-F4>'],
|
|
'<<do-nothing>>': ['<Control-x>'],
|
|
'<<end-of-file>>': ['<Control-d>'],
|
|
'<<python-docs>>': ['<F1>'],
|
|
'<<python-context-help>>': ['<Shift-F1>'],
|
|
'<<history-next>>': ['<Alt-n>'],
|
|
'<<history-previous>>': ['<Alt-p>'],
|
|
'<<interrupt-execution>>': ['<Control-c>'],
|
|
'<<view-restart>>': ['<F6>'],
|
|
'<<open-class-browser>>': ['<Alt-c>'],
|
|
'<<open-module>>': ['<Alt-m>'],
|
|
'<<open-new-window>>': ['<Control-n>'],
|
|
'<<open-window-from-file>>': ['<Control-o>'],
|
|
'<<plain-newline-and-indent>>': ['<Control-j>'],
|
|
'<<print-window>>': ['<Control-p>'],
|
|
'<<redo>>': ['<Control-y>'],
|
|
'<<remove-selection>>': ['<Escape>'],
|
|
'<<save-copy-of-window-as-file>>': ['<Alt-Shift-s>'],
|
|
'<<save-window-as-file>>': ['<Alt-s>'],
|
|
'<<save-window>>': ['<Control-s>'],
|
|
'<<select-all>>': ['<Alt-a>'],
|
|
'<<toggle-auto-coloring>>': ['<Control-slash>'],
|
|
'<<undo>>': ['<Control-z>'],
|
|
'<<find-again>>': ['<Control-g>', '<F3>'],
|
|
'<<find-in-files>>': ['<Alt-F3>'],
|
|
'<<find-selection>>': ['<Control-F3>'],
|
|
'<<find>>': ['<Control-f>'],
|
|
'<<replace>>': ['<Control-h>'],
|
|
'<<goto-line>>': ['<Alt-g>'],
|
|
'<<smart-backspace>>': ['<Key-BackSpace>'],
|
|
'<<newline-and-indent>>': ['<Key-Return> <Key-KP_Enter>'],
|
|
'<<smart-indent>>': ['<Key-Tab>'],
|
|
'<<indent-region>>': ['<Control-Key-bracketright>'],
|
|
'<<dedent-region>>': ['<Control-Key-bracketleft>'],
|
|
'<<comment-region>>': ['<Alt-Key-3>'],
|
|
'<<uncomment-region>>': ['<Alt-Key-4>'],
|
|
'<<tabify-region>>': ['<Alt-Key-5>'],
|
|
'<<untabify-region>>': ['<Alt-Key-6>'],
|
|
'<<toggle-tabs>>': ['<Alt-Key-t>'],
|
|
'<<change-indentwidth>>': ['<Alt-Key-u>']
|
|
}
|
|
if keySetName:
|
|
for event in keyBindings.keys():
|
|
binding=self.GetKeyBinding(keySetName,event)
|
|
if binding:
|
|
keyBindings[event]=binding
|
|
else: #we are going to return a default, print warning
|
|
warning=('\n Warning: configHandler.py - IdleConf.GetCoreKeys'+
|
|
' -\n problem retrieving key binding for event '+
|
|
`event`+'\n from key set '+`keySetName`+'.\n'+
|
|
' returning default value: '+`keyBindings[event]`+'\n')
|
|
sys.stderr.write(warning)
|
|
return keyBindings
|
|
|
|
def GetExtraHelpSourceList(self,configSet):
|
|
"""Fetch list of extra help sources from a given configSet.
|
|
|
|
Valid configSets are 'user' or 'default'. Return a list of tuples of
|
|
the form (menu_item , path_to_help_file , option), or return the empty
|
|
list. 'option' is the sequence number of the help resource. 'option'
|
|
values determine the position of the menu items on the Help menu,
|
|
therefore the returned list must be sorted by 'option'.
|
|
|
|
"""
|
|
helpSources=[]
|
|
if configSet=='user':
|
|
cfgParser=self.userCfg['main']
|
|
elif configSet=='default':
|
|
cfgParser=self.defaultCfg['main']
|
|
else:
|
|
raise InvalidConfigSet, 'Invalid configSet specified'
|
|
options=cfgParser.GetOptionList('HelpFiles')
|
|
for option in options:
|
|
value=cfgParser.Get('HelpFiles',option,default=';')
|
|
if value.find(';')==-1: #malformed config entry with no ';'
|
|
menuItem='' #make these empty
|
|
helpPath='' #so value won't be added to list
|
|
else: #config entry contains ';' as expected
|
|
value=string.split(value,';')
|
|
menuItem=value[0].strip()
|
|
helpPath=value[1].strip()
|
|
if menuItem and helpPath: #neither are empty strings
|
|
helpSources.append( (menuItem,helpPath,option) )
|
|
helpSources.sort(self.__helpsort)
|
|
return helpSources
|
|
|
|
def __helpsort(self, h1, h2):
|
|
if int(h1[2]) < int(h2[2]):
|
|
return -1
|
|
elif int(h1[2]) > int(h2[2]):
|
|
return 1
|
|
else:
|
|
return 0
|
|
|
|
def GetAllExtraHelpSourcesList(self):
|
|
"""
|
|
Returns a list of tuples containing the details of all additional help
|
|
sources configured, or an empty list if there are none. Tuples are of
|
|
the format returned by GetExtraHelpSourceList.
|
|
"""
|
|
allHelpSources=( self.GetExtraHelpSourceList('default')+
|
|
self.GetExtraHelpSourceList('user') )
|
|
return allHelpSources
|
|
|
|
def LoadCfgFiles(self):
|
|
"""
|
|
load all configuration files.
|
|
"""
|
|
for key in self.defaultCfg.keys():
|
|
self.defaultCfg[key].Load()
|
|
self.userCfg[key].Load() #same keys
|
|
|
|
def SaveUserCfgFiles(self):
|
|
"""
|
|
write all loaded user configuration files back to disk
|
|
"""
|
|
for key in self.userCfg.keys():
|
|
self.userCfg[key].Save()
|
|
|
|
idleConf=IdleConf()
|
|
|
|
### module test
|
|
if __name__ == '__main__':
|
|
def dumpCfg(cfg):
|
|
print '\n',cfg,'\n'
|
|
for key in cfg.keys():
|
|
sections=cfg[key].sections()
|
|
print key
|
|
print sections
|
|
for section in sections:
|
|
options=cfg[key].options(section)
|
|
print section
|
|
print options
|
|
for option in options:
|
|
print option, '=', cfg[key].Get(section,option)
|
|
dumpCfg(idleConf.defaultCfg)
|
|
dumpCfg(idleConf.userCfg)
|
|
print idleConf.userCfg['main'].Get('Theme','name')
|
|
#print idleConf.userCfg['highlight'].GetDefHighlight('Foo','normal')
|