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##---------------------------------------------------------------------------##
##
## idle - configuration data handler, based on and replacing IdleConfig.py
## elguavas
##
##---------------------------------------------------------------------------##
"""Provides access to configuration information"""
import os
import sys
from ConfigParser import ConfigParser, NoOptionError, NoSectionError
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 GetInt(self, section, option, *kw):
# """
# Get an option value as an integer
# """
# return self.Get(section, option, type='int', *kw)
#
# def GetBool(self, section, option, **kw):
# """
# Get an option value as a boolean
# """
# return self.Get(section, option, type='bool', *kw)
# def Get(self, section, option, raw=0, vars=None, default=None,
# type=None):
def Get(self, section, option, default=None, type=None):
"""
Get an option value for given section/option or return default.
If type is specified, return as type.
"""
if type=='bool': getVal=self.getboolean
elif type=='int': getVal=self.getint
else: getVal=self.get
if self.has_option(section,option):
#return getVal(section, option, raw, vars)
return getVal(section, option)
else:
return default
def GetSectionList(self):
# only provided for consistency
return self.sections()
def GetOptionList(self,section):
"""
Get an option list for given section
"""
if self.has_section:
return self.options(section)
else: #return a default value
return []
def GetHighlight(self, theme, element):
fore = self.Get(theme, element + "-foreground")
back = self.Get(theme, element + "-background")
style = self.Ge(theme, element + "-fontStyle", default='')
return {"fg": fore,
"bg": back,
"fStyle": style}
def Load(self):
"""
Load the configuration file from disk
"""
self.read(self.file)
class IdleUserConfParser(IdleConfParser):
"""
IdleConfigParser specialised for user configuration handling
"""
def Save(self):
"""
write loaded user configuration file back to disk
"""
# this is a user config, it can be written to disk
self.write()
class IdleConf:
"""
holds config parsers for all idle config files:
default config files
(idle install dir)/config-main.def
(idle install dir)/config-extensions.def
(idle install dir)/config-highlight.def
(idle install dir)/config-keys.def
user config files
(user home dir)/.idlerc/idle-main.cfg
(user home dir)/.idlerc/idle-extensions.cfg
(user home dir)/.idlerc/idle-highlight.cfg
(user home dir)/.idlerc/idle-keys.cfg
"""
def __init__(self):
self.defaultCfg={}
self.userCfg={}
self.cfg={}
self.CreateConfigHandlers()
self.LoadCfgFiles()
#self.LoadCfg()
def CreateConfigHandlers(self):
"""
set up a dictionary config parsers for default and user
configurations respectively
"""
#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])
#print idledir
try: #build user home path
userdir = os.environ['HOME'] #real home directory
except KeyError:
userdir = os.getcwd() #hack for os'es without real homedirs
userdir=os.path.join(userdir,'.idlerc')
#print userdir
if not os.path.exists(userdir):
os.mkdir(userdir)
configTypes=('main','extensions','highlight','keys')
defCfgFiles={}
usrCfgFiles={}
for cfgType in configTypes: #build config file names
defCfgFiles[cfgType]=os.path.join(idledir,'config-'+cfgType+'.def')
usrCfgFiles[cfgType]=os.path.join(userdir,'idle-'+cfgType+'.cfg')
for cfgType in configTypes: #create config parsers
self.defaultCfg[cfgType]=IdleConfParser(defCfgFiles[cfgType])
self.userCfg[cfgType]=IdleUserConfParser(usrCfgFiles[cfgType])
def GetDefault(self, configType, section, option, default=None, type=None):
"""
Get an option value for given config type and given general
configuration section/option or return a default. If type is specified,
return as type. Firstly the user configuration is checked, with a
fallback to the default configuration, and a final 'catch all'
fallback to a useable passed-in default if the option isn't present in
either the user or the default configuration.
configType must be one of ('main','extensions','highlight','keys')
"""
if self.userCfg[configType].has_option(section,option):
return self.userCfg[configType].Get(section, option, type=type)
elif self.defaultCfg[configType].has_option(section,option):
return self.defaultCfg[configType].Get(section, option, type=type)
else:
return default
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')
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