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"Move the action of loading the configuration to the IdleConf module rather than the idle.py script. This has advantages and disadvantages; the biggest advantage being that we can more easily have an alternative main program." --GvR
113 lines
3.5 KiB
Python
113 lines
3.5 KiB
Python
"""Provides access to configuration information"""
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import os
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import sys
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from ConfigParser import ConfigParser, NoOptionError, NoSectionError
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class IdleConfParser(ConfigParser):
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# these conf sections do not define extensions!
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builtin_sections = {}
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for section in ('EditorWindow', 'Colors'):
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builtin_sections[section] = section
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def getcolor(self, sec, name):
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"""Return a dictionary with foreground and background colors
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The return value is appropriate for passing to Tkinter in, e.g.,
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a tag_config call.
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"""
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fore = self.getdef(sec, name + "-foreground")
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back = self.getdef(sec, name + "-background")
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return {"foreground": fore,
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"background": back}
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def getdef(self, sec, options, raw=0, vars=None, default=None):
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"""Get an option value for given section or return default"""
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try:
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return self.get(sec, options, raw, vars)
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except (NoSectionError, NoOptionError):
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return default
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def getsection(self, section):
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"""Return a SectionConfigParser object"""
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return SectionConfigParser(section, self)
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def getextensions(self):
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exts = []
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for sec in self.sections():
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if self.builtin_sections.has_key(sec):
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continue
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# enable is a bool, but it may not be defined
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if self.getdef(sec, 'enable') != '0':
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exts.append(sec)
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return exts
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def reload(self):
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global idleconf
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idleconf = IdleConfParser()
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load(_dir) # _dir is a global holding the last directory loaded
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class SectionConfigParser:
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"""A ConfigParser object specialized for one section
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This class has all the get methods that a regular ConfigParser does,
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but without requiring a section argument.
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"""
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def __init__(self, section, config):
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self.section = section
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self.config = config
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def options(self):
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return self.config.options(self.section)
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def get(self, options, raw=0, vars=None):
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return self.config.get(self.section, options, raw, vars)
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def getdef(self, options, raw=0, vars=None, default=None):
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return self.config.getdef(self.section, options, raw, vars, default)
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def getint(self, option):
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return self.config.getint(self.section, option)
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def getfloat(self, option):
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return self.config.getint(self.section, option)
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def getboolean(self, option):
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return self.config.getint(self.section, option)
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def getcolor(self, option):
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return self.config.getcolor(self.section, option)
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def load(dir):
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"""Load IDLE configuration files based on IDLE install in dir
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Attempts to load two config files:
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dir/config.txt
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dir/config-[win/mac/unix].txt
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dir/config-%(sys.platform)s.txt
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~/.idle
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"""
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global _dir
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_dir = dir
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if sys.platform[:3] == 'win':
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genplatfile = os.path.join(dir, "config-win.txt")
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# XXX don't know what the platform string is on a Mac
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elif sys.platform[:3] == 'mac':
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genplatfile = os.path.join(dir, "config-mac.txt")
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else:
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genplatfile = os.path.join(dir, "config-unix.txt")
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platfile = os.path.join(dir, "config-%s.txt" % sys.platform)
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try:
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homedir = os.environ['HOME']
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except KeyError:
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homedir = os.getcwd()
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idleconf.read((os.path.join(dir, "config.txt"), genplatfile, platfile,
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os.path.join(homedir, ".idle")))
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idleconf = IdleConfParser()
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load(os.path.dirname(__file__))
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