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# Copyright (C) 2005-2010 Aaron Bentley and Panometrics, Inc.
# Gianluca Montecchi <gian@grys.it>
# W. Trevor King <wking@drexel.edu>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Create, save, and load the per-user config file at :func:`path`.
"""
import ConfigParser
import codecs
import os.path
import libbe
import libbe.util.encoding
if libbe.TESTING == True:
import doctest
default_encoding = libbe.util.encoding.get_filesystem_encoding()
"""Default filesystem encoding.
Initialized with :func:`libbe.util.encoding.get_filesystem_encoding`.
"""
def path():
"""Return the path to the per-user config file.
"""
return os.path.expanduser("~/.bugs_everywhere")
def set_val(name, value, section="DEFAULT", encoding=None):
"""Set a value in the per-user config file.
Parameters
----------
name : str
The name of the value to set.
value : str or None
The new value to set (or None to delete the value).
section : str
The section to store the name/value in.
encoding : str
The config file's encoding, defaults to :data:`default_encoding`.
"""
if encoding == None:
encoding = default_encoding
config = ConfigParser.ConfigParser()
if os.path.exists(path()) == False: # touch file or config
open(path(), 'w').close() # read chokes on missing file
f = codecs.open(path(), 'r', encoding)
config.readfp(f, path())
f.close()
if value is not None:
config.set(section, name, value)
else:
config.remove_option(section, name)
f = codecs.open(path(), 'w', encoding)
config.write(f)
f.close()
def get_val(name, section="DEFAULT", default=None, encoding=None):
"""Get a value from the per-user config file
Parameters
----------
name : str
The name of the value to set.
section : str
The section to store the name/value in.
default :
The value to return if `name` is not set.
encoding : str
The config file's encoding, defaults to :data:`default_encoding`.
Examples
--------
>>> get_val("junk") is None
True
>>> set_val("junk", "random")
>>> get_val("junk")
u'random'
>>> set_val("junk", None)
>>> get_val("junk") is None
True
"""
if os.path.exists(path()):
if encoding == None:
encoding = default_encoding
config = ConfigParser.ConfigParser()
f = codecs.open(path(), 'r', encoding)
config.readfp(f, path())
f.close()
try:
return config.get(section, name)
except ConfigParser.NoOptionError:
return default
else:
return default
if libbe.TESTING == True:
suite = doctest.DocTestSuite()
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