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# -*- Encoding: UTF-8 -*-
###
# Copyright (c) 2010, Elián Hanisch
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
###
import re
#import supybot.log as log
def stringSub(s, vars):
for k, v in vars.iteritems():
if k in s:
s = s.replace(k, v)
return s
class SortedDict(dict):
"""Dict class where keys can be sorted."""
def __init__(self, *args):
dict.__init__(self, *args)
self._sorting = []
def __setitem__(self, k, v):
dict.__setitem__(self, k, v)
self._sorting.append(k)
def __iter__(self):
def generator():
for k in self._sorting:
yield k
raise StopIteration
return generator()
def iteritems(self):
def generator():
for k in self._sorting:
yield k, self[k]
raise StopIteration
return generator()
class LocalizedRegexp(object):
"""
This class will store and keep track of the regular expresions used for plugin commands.
When is initialized will fetch all the docstrings in the Factos <instance> and compile them,
then it will compile the regular expressions in the languages dict."""
flags = (re.IGNORECASE | re.VERBOSE | re.UNICODE)
def __init__(self, instance, replaces={}):
"""Compile all the needed regular expresions."""
# compile regexp defined in methods' docstrings, these will be the default
defaultCompiledRe = SortedDict()
for name in instance.commandRegexp:
method = getattr(instance, name)
regexp = method.__doc__
regexp = stringSub(regexp, replaces)
r = re.compile(regexp, self.flags)
defaultCompiledRe[name] = r
self.defaultCompiledRe = defaultCompiledRe
enabledLanguages = instance.registryValue('l10n.enabledLanguages')
localizedCompiledRe = { 'es': defaultCompiledRe }
for lang in enabledLanguages:
if lang in localizedCompiledRe: continue
#log.debug('Compiling regular expressions for %s' %lang)
localizedCompiledRe[lang] = SortedDict()
for name in defaultCompiledRe:
try:
regexp = languages[lang][name]
regexp = stringSub(regexp, replaces)
r = re.compile(regexp, self.flags)
except KeyError:
r = defaultCompiledRe[name]
localizedCompiledRe[lang][name] = r
self.localizedCompiledRe = localizedCompiledRe
def __call__(self, lang=None):
"""Return a regular expresion dict for a language if given."""
if not lang or lang not in self.localizedCompiledRe:
return self.defaultCompiledRe
else:
return self.localizedCompiledRe[lang]
# NOTE:
# Add comments in all regular expresion!
# the string ':fact:' is replaced by a valid factname regexp, usually "[\w\-\.\#]+"
# the string searched by these regexps is space normalized, no need of using matches like \s+ or \s*
regexp_english = {
'addFact':
ur"""^
(:fact:) # fact name
\s?(\sis\s|:)\s? # separator : or ' is '
(.+) # fact's text
$""",
'editFact':
ur"""^
no[\s,]\s? # must start with 'no,' or 'no '
(.+(?::|\sis\s|\salias\s).+) # anything that looks like addFact or addAlias regexps
$""",
'tellFact':
ur"""^
tell\s # tell <nick> about <fact>
([^\s]+) # nick
\sabout\s
(:fact:) # fact name
$""",
'appendFact':
ur"""^append\sto\s # append to <fact> <text>
(:fact:) # fact name
\s(.+) # text to append
$""",
}
languages = {
'en': regexp_english
}
# vim:set shiftwidth=4 softtabstop=4 tabstop=4 expandtab textwidth=100:
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