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config2pyobj.py
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Sat, Nov 2, 10:00

config2pyobj.py
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<protect># -*- coding: utf-8 -*-</protect>
<protect>## $Id$</protect>
## This file is part of the CERN Document Server Software (CDSware).
## Copyright (C) 2002 CERN.
##
## The CDSware 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.
##
## The CDSware 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 CDSware; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
<protect>## DO NOT EDIT THIS FILE! IT WAS AUTOMATICALLY GENERATED FROM CDSware WML SOURCES.</protect>
<protect>
import ConfigParser
import re
# Config file functions:
limited_python_identifier = r'^[a-zA-Z][a-zA-Z_0-9]*$'
class Config(object):
def __init__(self, config_name, config_dict):
self._config_name = config_name
f = lambda (section_name, section_dict): config_dict.update({section_name : ConfigSection(config_name, section_name, section_dict)})
map(f, config_dict.items())
self._config_dict = config_dict
def __getattr__(self, section_name):
try:
return self._config_dict[section_name]
except:
raise ConfigGetSectionError("config object '%s' does not contain section '%s'" % (self._config_name, section_name))
def __setattr__(self, attr, value):
if attr in ['_config_name', '_config_dict']:
self.__dict__[attr] = value
else:
raise ConfigSetError('this class provides read only config access: setting attributes is not possible')
class ConfigSection(object):
def __init__(self, config_name, section_name, section_dict):
self._config_name = config_name
self._section_name = section_name
self._section_dict = section_dict
def __getattr__(self, key_name):
try:
return self._section_dict[key_name]
except KeyError:
raise ConfigGetKeyError("config object '%s', section '%s' does not contain key '%s'" % (self._config_name, self._section_name, key_name))
def __setattr__(self, attr, value):
if attr in ['_config_name', '_section_name', '_section_dict']:
self.__dict__[attr] = value
else:
raise ConfigSetError('this class provides read only config access: setting attributes is not possible')
def configobj(files, name=None):
try:
# file[0][0] does not work to see if we have a list of string
# like objects, since pythons character are just strings.
# hence string[0][0][0][0][0][0][0][0]... is valid.
files[0][1]
except:
raise ValueError("function configobj has first argument named files: this must be a list of filenames")
if name is None:
name = files[0]
conf = ConfigParser.ConfigParser()
# Read configuration files:
map(lambda file: conf.readfp(open(file, 'rb')), files)
# Make sure each section and key in the config file is a valid
# python identifier:
for section in conf.sections():
if not re.search(limited_python_identifier, section):
raise ConfigParseError(("config section '%s' is not a valid python identifier string matching regexp " +
r"r'^[a-zA-Z][a-zA-Z_0-9]*$'") % (section))
for item, value in conf.items(section):
if not re.search(limited_python_identifier, item):
raise ConfigParseError(("key '%s' in config section '%s' is not a valid python identifier string matching regexp " +
r"r'^[a-zA-Z][a-zA-Z_0-9]*$'") % (item, section))
# Create a dictionary from their contents:
config_dict = {}
f = lambda section: config_dict.update({ section : dict(conf.items(section)) })
map(f, conf.sections())
return Config(name, config_dict)
class ConfigError(Exception):
pass
class ConfigParseError(ConfigError):
pass
class ConfigSetError(ConfigError):
pass
class ConfigGetError(ConfigError):
pass
class ConfigGetSectionError(ConfigGetError):
pass
class ConfigGetKeyError(ConfigGetError):
pass
</protect>

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