FM / idlelib

/usr/lib64/python2.7/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
idle_test/	-	0755	rm
aboutDialog.py	7014	0644	edit dl rm
aboutDialog.pyc	6848	0644	edit dl rm
aboutDialog.pyo	6848	0644	edit dl rm
AutoComplete.py	8964	0644	edit dl rm
AutoComplete.pyc	8012	0644	edit dl rm
AutoComplete.pyo	8012	0644	edit dl rm
AutoCompleteWindow.py	17318	0644	edit dl rm
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AutoExpand.py	3395	0644	edit dl rm
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Bindings.py	2976	0644	edit dl rm
Bindings.pyc	4695	0644	edit dl rm
Bindings.pyo	4695	0644	edit dl rm
CallTips.py	7740	0644	edit dl rm
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CallTips.pyo	8133	0644	edit dl rm
CallTipWindow.py	6065	0644	edit dl rm
CallTipWindow.pyc	6136	0644	edit dl rm
CallTipWindow.pyo	6136	0644	edit dl rm
ChangeLog	56393	0644	edit dl rm
ClassBrowser.py	6999	0644	edit dl rm
ClassBrowser.pyc	9500	0644	edit dl rm
ClassBrowser.pyo	9500	0644	edit dl rm
CodeContext.py	8342	0644	edit dl rm
CodeContext.pyc	6658	0644	edit dl rm
CodeContext.pyo	6614	0644	edit dl rm
ColorDelegator.py	9762	0644	edit dl rm
ColorDelegator.pyc	8898	0644	edit dl rm
ColorDelegator.pyo	8898	0644	edit dl rm
config-extensions.def	2965	0644	edit dl rm
config-highlight.def	2515	0644	edit dl rm
config-keys.def	7777	0644	edit dl rm
config-main.def	2561	0644	edit dl rm
configDialog.py	65958	0644	edit dl rm
configDialog.pyc	53291	0644	edit dl rm
configDialog.pyo	53291	0644	edit dl rm
configHandler.py	32485	0644	edit dl rm
configHandler.pyc	29361	0644	edit dl rm
configHandler.pyo	29361	0644	edit dl rm
configHelpSourceEdit.py	6686	0644	edit dl rm
configHelpSourceEdit.pyc	6595	0644	edit dl rm
configHelpSourceEdit.pyo	6595	0644	edit dl rm
configSectionNameDialog.py	4040	0644	edit dl rm
configSectionNameDialog.pyc	4419	0644	edit dl rm
configSectionNameDialog.pyo	4419	0644	edit dl rm
CREDITS.txt	1866	0644	edit dl rm
Debugger.py	18236	0644	edit dl rm
Debugger.pyc	17546	0644	edit dl rm
Debugger.pyo	17546	0644	edit dl rm
Delegator.py	665	0644	edit dl rm
Delegator.pyc	1268	0644	edit dl rm
Delegator.pyo	1268	0644	edit dl rm
dynOptionMenuWidget.py	1984	0644	edit dl rm
dynOptionMenuWidget.pyc	2790	0644	edit dl rm
dynOptionMenuWidget.pyo	2790	0644	edit dl rm
EditorWindow.py	65498	0644	edit dl rm
EditorWindow.pyc	56858	0644	edit dl rm
EditorWindow.pyo	56756	0644	edit dl rm
extend.txt	3642	0644	edit dl rm
FileList.py	3718	0644	edit dl rm
FileList.pyc	4025	0644	edit dl rm
FileList.pyo	3992	0644	edit dl rm
FormatParagraph.py	7287	0644	edit dl rm
FormatParagraph.pyc	7142	0644	edit dl rm
FormatParagraph.pyo	7142	0644	edit dl rm
GrepDialog.py	5145	0644	edit dl rm
GrepDialog.pyc	6425	0644	edit dl rm
GrepDialog.pyo	6425	0644	edit dl rm
help.html	42414	0644	edit dl rm
help.py	11035	0644	edit dl rm
help.pyc	12270	0644	edit dl rm
help.pyo	12270	0644	edit dl rm
help.txt	12144	0644	edit dl rm
HISTORY.txt	10317	0644	edit dl rm
HyperParser.py	10497	0644	edit dl rm
HyperParser.pyc	6673	0644	edit dl rm
HyperParser.pyo	6673	0644	edit dl rm
idle.py	453	0644	edit dl rm
idle.pyc	410	0644	edit dl rm
idle.pyo	410	0644	edit dl rm
idle.pyw	563	0644	edit dl rm
IdleHistory.py	4052	0644	edit dl rm
IdleHistory.pyc	4060	0644	edit dl rm
IdleHistory.pyo	4060	0644	edit dl rm
idlever.py	415	0644	edit dl rm
idlever.pyc	578	0644	edit dl rm
idlever.pyo	578	0644	edit dl rm
IOBinding.py	21911	0644	edit dl rm
IOBinding.pyc	18535	0644	edit dl rm
IOBinding.pyo	18535	0644	edit dl rm
keybindingDialog.py	12468	0644	edit dl rm
keybindingDialog.pyc	12173	0644	edit dl rm
keybindingDialog.pyo	12173	0644	edit dl rm
macosxSupport.py	8435	0644	edit dl rm
macosxSupport.pyc	8351	0644	edit dl rm
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MultiCall.py	17701	0644	edit dl rm
MultiCall.pyc	16351	0644	edit dl rm
MultiCall.pyo	16277	0644	edit dl rm
MultiStatusBar.py	1348	0644	edit dl rm
MultiStatusBar.pyc	2279	0644	edit dl rm
MultiStatusBar.pyo	2279	0644	edit dl rm
NEWS.txt	47247	0644	edit dl rm
ObjectBrowser.py	4376	0644	edit dl rm
ObjectBrowser.pyc	7067	0644	edit dl rm
ObjectBrowser.pyo	7067	0644	edit dl rm
OutputWindow.py	4576	0644	edit dl rm
OutputWindow.pyc	5232	0644	edit dl rm
OutputWindow.pyo	5232	0644	edit dl rm
ParenMatch.py	6714	0644	edit dl rm
ParenMatch.pyc	7129	0644	edit dl rm
ParenMatch.pyo	7129	0644	edit dl rm
PathBrowser.py	3009	0644	edit dl rm
PathBrowser.pyc	4486	0644	edit dl rm
PathBrowser.pyo	4486	0644	edit dl rm
Percolator.py	3222	0644	edit dl rm
Percolator.pyc	4608	0644	edit dl rm
Percolator.pyo	4424	0644	edit dl rm
PyParse.py	19510	0644	edit dl rm
PyParse.pyc	10005	0644	edit dl rm
PyParse.pyo	9567	0644	edit dl rm
PyShell.py	58862	0755	edit dl rm
PyShell.pyc	52826	0644	edit dl rm
PyShell.pyo	52724	0644	edit dl rm
README.txt	7890	0644	edit dl rm
RemoteDebugger.py	11632	0644	edit dl rm
RemoteDebugger.pyc	16325	0644	edit dl rm
RemoteDebugger.pyo	16171	0644	edit dl rm
RemoteObjectBrowser.py	942	0644	edit dl rm
RemoteObjectBrowser.pyc	2150	0644	edit dl rm
RemoteObjectBrowser.pyo	2150	0644	edit dl rm
ReplaceDialog.py	6639	0644	edit dl rm
ReplaceDialog.pyc	7756	0644	edit dl rm
ReplaceDialog.pyo	7756	0644	edit dl rm
rpc.py	20150	0644	edit dl rm
rpc.pyc	21728	0644	edit dl rm
rpc.pyo	21622	0644	edit dl rm
RstripExtension.py	1050	0644	edit dl rm
RstripExtension.pyc	1613	0644	edit dl rm
RstripExtension.pyo	1613	0644	edit dl rm
run.py	12917	0644	edit dl rm
run.pyc	13419	0644	edit dl rm
run.pyo	13361	0644	edit dl rm
ScriptBinding.py	8459	0644	edit dl rm
ScriptBinding.pyc	8201	0644	edit dl rm
ScriptBinding.pyo	8201	0644	edit dl rm
ScrolledList.py	4373	0644	edit dl rm
ScrolledList.pyc	6482	0644	edit dl rm
ScrolledList.pyo	6482	0644	edit dl rm
SearchDialog.py	2630	0644	edit dl rm
SearchDialog.pyc	3983	0644	edit dl rm
SearchDialog.pyo	3983	0644	edit dl rm
SearchDialogBase.py	7094	0644	edit dl rm
SearchDialogBase.pyc	8462	0644	edit dl rm
SearchDialogBase.pyo	8462	0644	edit dl rm
SearchEngine.py	7463	0644	edit dl rm
SearchEngine.pyc	8302	0644	edit dl rm
SearchEngine.pyo	8302	0644	edit dl rm
StackViewer.py	4431	0644	edit dl rm
StackViewer.pyc	6404	0644	edit dl rm
StackViewer.pyo	6404	0644	edit dl rm
tabbedpages.py	18439	0644	edit dl rm
tabbedpages.pyc	18561	0644	edit dl rm
tabbedpages.pyo	18561	0644	edit dl rm
textView.py	3520	0644	edit dl rm
textView.pyc	4025	0644	edit dl rm
textView.pyo	4025	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
ToolTip.py	3173	0644	edit dl rm
ToolTip.pyc	4669	0644	edit dl rm
ToolTip.pyo	4669	0644	edit dl rm
TreeWidget.py	15037	0644	edit dl rm
TreeWidget.pyc	17694	0644	edit dl rm
TreeWidget.pyo	17694	0644	edit dl rm
UndoDelegator.py	10787	0644	edit dl rm
UndoDelegator.pyc	13555	0644	edit dl rm
UndoDelegator.pyo	13555	0644	edit dl rm
WidgetRedirector.py	6906	0644	edit dl rm
WidgetRedirector.pyc	7769	0644	edit dl rm
WidgetRedirector.pyo	7769	0644	edit dl rm
WindowList.py	2473	0644	edit dl rm
WindowList.pyc	3636	0644	edit dl rm
WindowList.pyo	3636	0644	edit dl rm
ZoomHeight.py	1300	0644	edit dl rm
ZoomHeight.pyc	1646	0644	edit dl rm
ZoomHeight.pyo	1646	0644	edit dl rm
__init__.py	288	0644	edit dl rm
__init__.pyc	431	0644	edit dl rm
__init__.pyo	431	0644	edit dl rm

Edit: /usr/lib64/python2.7/idlelib/configHandler.py (32485B)

"""Provides access to stored IDLE configuration information.

Refer to the comments at the beginning of config-main.def for a description of
the available configuration files and the design implemented to update user
configuration information.  In particular, user configuration choices which
duplicate the defaults will be removed from the user's configuration files,
and if a file becomes empty, it will be deleted.

The contents of the user files may be altered using the Options/Configure IDLE
menu to access the configuration GUI (configDialog.py), or manually.

Throughout this module there is an emphasis on returning useable defaults
when a problem occurs in returning a requested configuration value back to
idle. This is to allow IDLE to continue to function in spite of errors in
the retrieval of config information. When a default is returned instead of
a requested config value, a message is printed to stderr to aid in
configuration problem notification and resolution.
"""
# TODOs added Oct 2014, tjr

from __future__ import print_function
import os
import sys

from ConfigParser import ConfigParser
from Tkinter import TkVersion
from tkFont import Font, nametofont

class InvalidConfigType(Exception): pass
class InvalidConfigSet(Exception): pass
class InvalidFgBg(Exception): pass
class InvalidTheme(Exception): pass

class IdleConfParser(ConfigParser):
    """
    A ConfigParser specialised for idle configuration file handling
    """
    def __init__(self, cfgFile, cfgDefaults=None):
        """
        cfgFile - string, fully specified configuration file name
        """
        self.file = cfgFile
        ConfigParser.__init__(self, defaults=cfgDefaults)

def Get(self, section, option, type=None, default=None, raw=False):
        """
        Get an option value for given section/option or return default.
        If type is specified, return as type.
        """
        # TODO Use default as fallback, at least if not None
        # Should also print Warning(file, section, option).
        # Currently may raise ValueError
        if not self.has_option(section, option):
            return default
        if type == 'bool':
            return self.getboolean(section, option)
        elif type == 'int':
            return self.getint(section, option)
        else:
            return self.get(section, option, raw=raw)

def GetOptionList(self, section):
        "Return a list of options for given section, else []."
        if self.has_section(section):
            return self.options(section)
        else:  #return a default value
            return []

def Load(self):
        "Load the configuration file from disk."
        self.read(self.file)

class IdleUserConfParser(IdleConfParser):
    """
    IdleConfigParser specialised for user configuration handling.
    """

def AddSection(self, section):
        "If section doesn't exist, add it."
        if not self.has_section(section):
            self.add_section(section)

def RemoveEmptySections(self):
        "Remove any sections that have no options."
        for section in self.sections():
            if not self.GetOptionList(section):
                self.remove_section(section)

def IsEmpty(self):
        "Return True if no sections after removing empty sections."
        self.RemoveEmptySections()
        return not self.sections()

def RemoveOption(self, section, option):
        """Return True if option is removed from section, else False.

False if either section does not exist or did not have option.
        """
        if self.has_section(section):
            return self.remove_option(section, option)
        return False

def SetOption(self, section, option, value):
        """Return True if option is added or changed to value, else False.

Add section if required.  False means option already had value.
        """
        if self.has_option(section, option):
            if self.get(section, option) == value:
                return False
            else:
                self.set(section, option, value)
                return True
        else:
            if not self.has_section(section):
                self.add_section(section)
            self.set(section, option, value)
            return True

def RemoveFile(self):
        "Remove user config file self.file from disk if it exists."
        if os.path.exists(self.file):
            os.remove(self.file)

def Save(self):
        """Update user configuration file.

Remove empty sections. If resulting config isn't empty, write the file
        to disk. If config is empty, remove the file from disk if it exists.

"""
        if not self.IsEmpty():
            fname = self.file
            try:
                cfgFile = open(fname, 'w')
            except IOError:
                os.unlink(fname)
                cfgFile = open(fname, 'w')
            with cfgFile:
                self.write(cfgFile)
        else:
            self.RemoveFile()

class IdleConf:
    """Hold config parsers for all idle config files in singleton instance.

Default config files, self.defaultCfg --
        for config_type in self.config_types:
            (idle install dir)/config-{config-type}.def

User config files, self.userCfg --
        for config_type in self.config_types:
        (user home dir)/.idlerc/config-{config-type}.cfg
    """
    def __init__(self):
        self.config_types = ('main', 'extensions', 'highlight', 'keys')
        self.defaultCfg = {}
        self.userCfg = {}
        self.cfg = {}  # TODO use to select userCfg vs defaultCfg
        self.CreateConfigHandlers()
        self.LoadCfgFiles()

def CreateConfigHandlers(self):
        "Populate default and user config parser dictionaries."
        #build idle install path
        if __name__ != '__main__': # we were imported
            idleDir=os.path.dirname(__file__)
        else: # we were exec'ed (for testing only)
            idleDir=os.path.abspath(sys.path[0])
        userDir=self.GetUserCfgDir()

defCfgFiles = {}
        usrCfgFiles = {}
        # TODO eliminate these temporaries by combining loops
        for cfgType in self.config_types: #build config file names
            defCfgFiles[cfgType] = os.path.join(
                    idleDir, 'config-' + cfgType + '.def')
            usrCfgFiles[cfgType] = os.path.join(
                    userDir, 'config-' + cfgType + '.cfg')
        for cfgType in self.config_types: #create config parsers
            self.defaultCfg[cfgType] = IdleConfParser(defCfgFiles[cfgType])
            self.userCfg[cfgType] = IdleUserConfParser(usrCfgFiles[cfgType])

def GetUserCfgDir(self):
        """Return a filesystem directory for storing user config files.

Creates it if required.
        """
        cfgDir = '.idlerc'
        userDir = os.path.expanduser('~')
        if userDir != '~': # expanduser() found user home dir
            if not os.path.exists(userDir):
                warn = ('\n Warning: os.path.expanduser("~") points to\n ' +
                        userDir + ',\n but the path does not exist.')
                try:
                    print(warn, file=sys.stderr)
                except IOError:
                    pass
                userDir = '~'
        if userDir == "~": # still no path to home!
            # traditionally IDLE has defaulted to os.getcwd(), is this adequate?
            userDir = os.getcwd()
        userDir = os.path.join(userDir, cfgDir)
        if not os.path.exists(userDir):
            try:
                os.mkdir(userDir)
            except (OSError, IOError):
                warn = ('\n Warning: unable to create user config directory\n' +
                        userDir + '\n Check path and permissions.\n Exiting!\n')
                print(warn, file=sys.stderr)
                raise SystemExit
        # TODO continue without userDIr instead of exit
        return userDir

def GetOption(self, configType, section, option, default=None, type=None,
                  warn_on_default=True, raw=False):
        """Return a value for configType section option, or default.

If type is not None, return a value of that type.  Also pass raw
        to the config parser.  First try to return a valid value
        (including type) from a user configuration. If that fails, try
        the default configuration. If that fails, return default, with a
        default of None.

Warn if either user or default configurations have an invalid value.
        Warn if default is returned and warn_on_default is True.
        """
        try:
            if self.userCfg[configType].has_option(section, option):
                return self.userCfg[configType].Get(section, option,
                                                    type=type, raw=raw)
        except ValueError:
            warning = ('\n Warning: configHandler.py - IdleConf.GetOption -\n'
                       ' invalid %r value for configuration option %r\n'
                       ' from section %r: %r' %
                       (type, option, section,
                       self.userCfg[configType].Get(section, option, raw=raw)))
            try:
                print(warning, file=sys.stderr)
            except IOError:
                pass
        try:
            if self.defaultCfg[configType].has_option(section,option):
                return self.defaultCfg[configType].Get(
                        section, option, type=type, raw=raw)
        except ValueError:
            pass
        #returning default, print warning
        if warn_on_default:
            warning = ('\n Warning: configHandler.py - IdleConf.GetOption -\n'
                       ' problem retrieving configuration option %r\n'
                       ' from section %r.\n'
                       ' returning default value: %r' %
                       (option, section, default))
            try:
                print(warning, file=sys.stderr)
            except IOError:
                pass
        return default

def SetOption(self, configType, section, option, value):
        """Set section option to value in user config file."""
        self.userCfg[configType].SetOption(section, option, value)

def GetSectionList(self, configSet, configType):
        """Return sections for configSet configType configuration.

configSet must be either 'user' or 'default'
        configType must be in self.config_types.
        """
        if not (configType in self.config_types):
            raise InvalidConfigType('Invalid configType specified')
        if configSet == 'user':
            cfgParser = self.userCfg[configType]
        elif configSet == 'default':
            cfgParser=self.defaultCfg[configType]
        else:
            raise InvalidConfigSet('Invalid configSet specified')
        return cfgParser.sections()

def GetHighlight(self, theme, element, fgBg=None):
        """Return individual theme element highlight color(s).

fgBg - string ('fg' or 'bg') or None.
        If None, return a dictionary containing fg and bg colors with
        keys 'foreground' and 'background'.  Otherwise, only return
        fg or bg color, as specified.  Colors are intended to be
        appropriate for passing to Tkinter in, e.g., a tag_config call).
        """
        if self.defaultCfg['highlight'].has_section(theme):
            themeDict = self.GetThemeDict('default', theme)
        else:
            themeDict = self.GetThemeDict('user', theme)
        fore = themeDict[element + '-foreground']
        if element == 'cursor':  # There is no config value for cursor bg
            back = themeDict['normal-background']
        else:
            back = themeDict[element + '-background']
        highlight = {"foreground": fore, "background": back}
        if not fgBg:  # Return dict of both colors
            return highlight
        else:  # Return specified color only
            if fgBg == 'fg':
                return highlight["foreground"]
            if fgBg == 'bg':
                return highlight["background"]
            else:
                raise InvalidFgBg('Invalid fgBg specified')

def GetThemeDict(self, type, themeName):
        """Return {option:value} dict for elements in themeName.

type - string, 'default' or 'user' theme type
        themeName - string, theme name
        Values are loaded over ultimate fallback defaults to guarantee
        that all theme elements are present in a newly created theme.
        """
        if type == 'user':
            cfgParser = self.userCfg['highlight']
        elif type == 'default':
            cfgParser = self.defaultCfg['highlight']
        else:
            raise InvalidTheme('Invalid theme type specified')
        # Provide foreground and background colors for each theme
        # element (other than cursor) even though some values are not
        # yet used by idle, to allow for their use in the future.
        # Default values are generally black and white.
        # TODO copy theme from a class attribute.
        theme ={'normal-foreground':'#000000',
                'normal-background':'#ffffff',
                'keyword-foreground':'#000000',
                'keyword-background':'#ffffff',
                'builtin-foreground':'#000000',
                'builtin-background':'#ffffff',
                'comment-foreground':'#000000',
                'comment-background':'#ffffff',
                'string-foreground':'#000000',
                'string-background':'#ffffff',
                'definition-foreground':'#000000',
                'definition-background':'#ffffff',
                'hilite-foreground':'#000000',
                'hilite-background':'gray',
                'break-foreground':'#ffffff',
                'break-background':'#000000',
                'hit-foreground':'#ffffff',
                'hit-background':'#000000',
                'error-foreground':'#ffffff',
                'error-background':'#000000',
                #cursor (only foreground can be set)
                'cursor-foreground':'#000000',
                #shell window
                'stdout-foreground':'#000000',
                'stdout-background':'#ffffff',
                'stderr-foreground':'#000000',
                'stderr-background':'#ffffff',
                'console-foreground':'#000000',
                'console-background':'#ffffff' }
        for element in theme:
            if not cfgParser.has_option(themeName, element):
                # Print warning that will return a default color
                warning = ('\n Warning: configHandler.IdleConf.GetThemeDict'
                           ' -\n problem retrieving theme element %r'
                           '\n from theme %r.\n'
                           ' returning default color: %r' %
                           (element, themeName, theme[element]))
                try:
                    print(warning, file=sys.stderr)
                except IOError:
                    pass
            theme[element] = cfgParser.Get(
                    themeName, element, default=theme[element])
        return theme

def CurrentTheme(self):
        """Return the name of the currently active text color theme.

idlelib.config-main.def includes this section
        [Theme]
        default= 1
        name= IDLE Classic
        name2=
        # name2 set in user config-main.cfg for themes added after 2015 Oct 1

Item name2 is needed because setting name to a new builtin
        causes older IDLEs to display multiple error messages or quit.
        See https://bugs.python.org/issue25313.
        When default = True, name2 takes precedence over name,
        while older IDLEs will just use name.
        """
        default = self.GetOption('main', 'Theme', 'default',
                                 type='bool', default=True)
        if default:
            theme = self.GetOption('main', 'Theme', 'name2', default='')
        if default and not theme or not default:
            theme = self.GetOption('main', 'Theme', 'name', default='')
        source = self.defaultCfg if default else self.userCfg
        if source['highlight'].has_section(theme):
            return theme
        else:
            return "IDLE Classic"

def CurrentKeys(self):
        "Return the name of the currently active key set."
        return self.GetOption('main', 'Keys', 'name', default='')

def GetExtensions(self, active_only=True, editor_only=False, shell_only=False):
        """Return extensions in default and user config-extensions files.

If active_only True, only return active (enabled) extensions
        and optionally only editor or shell extensions.
        If active_only False, return all extensions.
        """
        extns = self.RemoveKeyBindNames(
                self.GetSectionList('default', 'extensions'))
        userExtns = self.RemoveKeyBindNames(
                self.GetSectionList('user', 'extensions'))
        for extn in userExtns:
            if extn not in extns: #user has added own extension
                extns.append(extn)
        if active_only:
            activeExtns = []
            for extn in extns:
                if self.GetOption('extensions', extn, 'enable', default=True,
                                  type='bool'):
                    #the extension is enabled
                    if editor_only or shell_only:  # TODO if both, contradictory
                        if editor_only:
                            option = "enable_editor"
                        else:
                            option = "enable_shell"
                        if self.GetOption('extensions', extn,option,
                                          default=True, type='bool',
                                          warn_on_default=False):
                            activeExtns.append(extn)
                    else:
                        activeExtns.append(extn)
            return activeExtns
        else:
            return extns

def RemoveKeyBindNames(self, extnNameList):
        "Return extnNameList with keybinding section names removed."
        # TODO Easier to return filtered copy with list comp
        names = extnNameList
        kbNameIndicies = []
        for name in names:
            if name.endswith(('_bindings', '_cfgBindings')):
                kbNameIndicies.append(names.index(name))
        kbNameIndicies.sort(reverse=True)
        for index in kbNameIndicies: #delete each keybinding section name
            del(names[index])
        return names

def GetExtnNameForEvent(self, virtualEvent):
        """Return the name of the extension binding virtualEvent, or None.

virtualEvent - string, name of the virtual event to test for,
                       without the enclosing '<< >>'
        """
        extName = None
        vEvent = '<<' + virtualEvent + '>>'
        for extn in self.GetExtensions(active_only=0):
            for event in self.GetExtensionKeys(extn):
                if event == vEvent:
                    extName = extn  # TODO return here?
        return extName

def GetExtensionKeys(self, extensionName):
        """Return dict: {configurable extensionName event : active keybinding}.

Events come from default config extension_cfgBindings section.
        Keybindings come from GetCurrentKeySet() active key dict,
        where previously used bindings are disabled.
        """
        keysName = extensionName + '_cfgBindings'
        activeKeys = self.GetCurrentKeySet()
        extKeys = {}
        if self.defaultCfg['extensions'].has_section(keysName):
            eventNames = self.defaultCfg['extensions'].GetOptionList(keysName)
            for eventName in eventNames:
                event = '<<' + eventName + '>>'
                binding = activeKeys[event]
                extKeys[event] = binding
        return extKeys

def __GetRawExtensionKeys(self,extensionName):
        """Return dict {configurable extensionName event : keybinding list}.

Events come from default config extension_cfgBindings section.
        Keybindings list come from the splitting of GetOption, which
        tries user config before default config.
        """
        keysName = extensionName+'_cfgBindings'
        extKeys = {}
        if self.defaultCfg['extensions'].has_section(keysName):
            eventNames = self.defaultCfg['extensions'].GetOptionList(keysName)
            for eventName in eventNames:
                binding = self.GetOption(
                        'extensions', keysName, eventName, default='').split()
                event = '<<' + eventName + '>>'
                extKeys[event] = binding
        return extKeys

def GetExtensionBindings(self, extensionName):
        """Return dict {extensionName event : active or defined keybinding}.

Augment self.GetExtensionKeys(extensionName) with mapping of non-
        configurable events (from default config) to GetOption splits,
        as in self.__GetRawExtensionKeys.
        """
        bindsName = extensionName + '_bindings'
        extBinds = self.GetExtensionKeys(extensionName)
        #add the non-configurable bindings
        if self.defaultCfg['extensions'].has_section(bindsName):
            eventNames = self.defaultCfg['extensions'].GetOptionList(bindsName)
            for eventName in eventNames:
                binding = self.GetOption(
                        'extensions', bindsName, eventName, default='').split()
                event = '<<' + eventName + '>>'
                extBinds[event] = binding

return extBinds

def GetKeyBinding(self, keySetName, eventStr):
        """Return the keybinding list for keySetName eventStr.

keySetName - name of key binding set (config-keys section).
        eventStr - virtual event, including brackets, as in '<<event>>'.
        """
        eventName = eventStr[2:-2] #trim off the angle brackets
        binding = self.GetOption('keys', keySetName, eventName, default='').split()
        return binding

def GetCurrentKeySet(self):
        "Return CurrentKeys with 'darwin' modifications."
        result = self.GetKeySet(self.CurrentKeys())

if sys.platform == "darwin":
            # OS X Tk variants do not support the "Alt" keyboard modifier.
            # So replace all keybingings that use "Alt" with ones that
            # use the "Option" keyboard modifier.
            # TODO (Ned?): the "Option" modifier does not work properly for
            #        Cocoa Tk and XQuartz Tk so we should not use it
            #        in default OS X KeySets.
            for k, v in result.items():
                v2 = [ x.replace('<Alt-', '<Option-') for x in v ]
                if v != v2:
                    result[k] = v2

return result

def GetKeySet(self, keySetName):
        """Return event-key dict for keySetName core plus active extensions.

If a binding defined in an extension is already in use, the
        extension binding is disabled by being set to ''
        """
        keySet = self.GetCoreKeys(keySetName)
        activeExtns = self.GetExtensions(active_only=1)
        for extn in activeExtns:
            extKeys = self.__GetRawExtensionKeys(extn)
            if extKeys: #the extension defines keybindings
                for event in extKeys:
                    if extKeys[event] in keySet.values():
                        #the binding is already in use
                        extKeys[event] = '' #disable this binding
                    keySet[event] = extKeys[event] #add binding
        return keySet

def IsCoreBinding(self, virtualEvent):
        """Return True if the virtual event is one of the core idle key events.

virtualEvent - string, name of the virtual event to test for,
                       without the enclosing '<< >>'
        """
        return ('<<'+virtualEvent+'>>') in self.GetCoreKeys()

# TODO make keyBindins a file or class attribute used for test above
# and copied in function below

def GetCoreKeys(self, keySetName=None):
        """Return dict of core virtual-key keybindings for keySetName.

The default keySetName None corresponds to the keyBindings base
        dict. If keySetName is not None, bindings 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>'],
            '<<restart-shell>>': ['<Control-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>'],
            '<<del-word-left>>': ['<Control-Key-BackSpace>'],
            '<<del-word-right>>': ['<Control-Key-Delete>']
            }
        if keySetName:
            for event in keyBindings:
                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 %r'
                               '\n from key set %r.\n'
                               ' returning default value: %r' %
                               (event, keySetName, keyBindings[event]))
                    try:
                        print(warning, file=sys.stderr)
                    except IOError:
                        pass
        return keyBindings

def GetExtraHelpSourceList(self, configSet):
        """Return 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=value.split(';')
                menuItem=value[0].strip()
                helpPath=value[1].strip()
            if menuItem and helpPath: #neither are empty strings
                helpSources.append( (menuItem,helpPath,option) )
        helpSources.sort(key=lambda x: int(x[2]))
        return helpSources

def GetAllExtraHelpSourcesList(self):
        """Return a list of the details of all additional help sources.

Tuples in the list are those of GetExtraHelpSourceList.
        """
        allHelpSources = (self.GetExtraHelpSourceList('default') +
                self.GetExtraHelpSourceList('user') )
        return allHelpSources

def GetFont(self, root, configType, section):
        """Retrieve a font from configuration (font, font-size, font-bold)
        Intercept the special value 'TkFixedFont' and substitute
        the actual font, factoring in some tweaks if needed for
        appearance sakes.

The 'root' parameter can normally be any valid Tkinter widget.

Return a tuple (family, size, weight) suitable for passing
        to tkinter.Font
        """
        family = self.GetOption(configType, section, 'font', default='courier')
        size = self.GetOption(configType, section, 'font-size', type='int',
                              default='10')
        bold = self.GetOption(configType, section, 'font-bold', default=0,
                              type='bool')
        if (family == 'TkFixedFont'):
            if TkVersion < 8.5:
                family = 'Courier'
            else:
                f = Font(name='TkFixedFont', exists=True, root=root)
                actualFont = Font.actual(f)
                family = actualFont['family']
                size = actualFont['size']
                if size <= 0:
                    size = 10  # if font in pixels, ignore actual size
                bold = actualFont['weight']=='bold'
        return (family, size, 'bold' if bold else 'normal')

def LoadCfgFiles(self):
        "Load all configuration files."
        for key in self.defaultCfg:
            self.defaultCfg[key].Load()
            self.userCfg[key].Load() #same keys

def SaveUserCfgFiles(self):
        "Write all loaded user configuration files to disk."
        for key in self.userCfg:
            self.userCfg[key].Save()

idleConf = IdleConf()

# TODO Revise test output, write expanded unittest
#
if __name__ == '__main__':
    from zlib import crc32
    line, crc = 0, 0

def sprint(obj):
        global line, crc
        txt = str(obj)
        line += 1
        crc = crc32(txt.encode(encoding='utf-8'), crc)
        print(txt)
        #print('***', line, crc, '***')  # uncomment for diagnosis

def dumpCfg(cfg):
        print('\n', cfg, '\n')  # has variable '0xnnnnnnnn' addresses
        for key in sorted(cfg.keys()):
            sections = cfg[key].sections()
            sprint(key)
            sprint(sections)
            for section in sections:
                options = cfg[key].options(section)
                sprint(section)
                sprint(options)
                for option in options:
                    sprint(option + ' = ' + cfg[key].Get(section, option))

dumpCfg(idleConf.defaultCfg)
    dumpCfg(idleConf.userCfg)
    print('\nlines = ', line, ', crc = ', crc, sep='')

cmd: