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"""Provides access to configuration information"""
import os
import sys
from ConfigParser import ConfigParser, NoOptionError
class IdleConfParser(ConfigParser):
# these conf sections do not define extensions!
builtin_sections = {}
for section in ('EditorWindow', 'Colors'):
builtin_sections[section] = section
def getcolor(self, sec, name):
"""Return a dictionary with foreground and background colors
The return value is appropriate for passing to Tkinter in, e.g.,
a tag_config call.
"""
fore = self.getdef(sec, name + "-foreground")
back = self.getdef(sec, name + "-background")
return {"foreground": fore,
"background": back}
def getdef(self, sec, options, raw=0, vars=None, default=None):
"""Get an option value for given section or return default"""
try:
return self.get(sec, options, raw, vars)
except NoOptionError:
return default
def getsection(self, section):
"""Return a SectionConfigParser object"""
return SectionConfigParser(section, self)
def getextensions(self):
exts = []
for sec in self.sections():
if self.builtin_sections.has_key(sec):
continue
# enable is a bool, but it may not be defined
if self.getdef(sec, 'enable') != '0':
exts.append(sec)
return exts
def reload(self):
global IdleConf
IdleConf = IdleConfParser()
load(_dir) # _dir is a global holding the last directory loaded
class SectionConfigParser:
"""A ConfigParser object specialized for one section
This class has all the get methods that a regular ConfigParser does,
but without requiring a section argument.
"""
def __init__(self, section, config):
self.section = section
self.config = config
def options(self):
return self.config.options(self.section)
def get(self, options, raw=0, vars=None):
return self.config.get(self.section, options, raw, vars)
def getdef(self, options, raw=0, vars=None, default=None):
return self.config.getdef(self.section, options, raw, vars, default)
def getint(self, option):
return self.config.getint(self.section, option)
def getfloat(self, option):
return self.config.getint(self.section, option)
def getboolean(self, option):
return self.config.getint(self.section, option)
def getcolor(self, option):
return self.config.getcolor(self.section, option)
def load(dir):
"""Load IDLE configuration files based on IDLE install in dir
Attempts to load two config files:
dir/config.txt
dir/config-[win/mac/unix].txt
dir/config-%(sys.platform)s.txt
~/.idle
"""
global _dir
_dir = dir
if sys.platform.startswith('win'):
genplatfile = os.path.join(dir, "config-win.txt")
# XXX don't know what the platform string is on a Mac
elif sys.platform.startswith('mac'):
genplatfile = os.path.join(dir, "config-mac.txt")
else:
genplatfile = os.path.join(dir, "config-unix.txt")
platfile = os.path.join(dir, "config-%s.txt" % sys.platform)
try:
homedir = os.environ['HOME']
except KeyError:
homedir = os.getcwd()
for file in (os.path.join(dir, "config.txt"),
genplatfile,
platfile,
os.path.join(homedir, ".idle"),
):
try:
f = open(file)
except IOError:
continue
IdleConf.readfp(f)
f.close()
IdleConf = IdleConfParser()
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