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#!/usr/bin/python
# A server that uses TextChecker.py to check text for style
# and grammar errors
#
# LanguageTool -- A Rule-Based Style and Grammar Checker
# Copyright (C) 2002,2003,2004 Daniel Naber <daniel.naber@t-online.de>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import TextChecker
import ConfigParser
import os
import re
import socket
import sys
import time
sys.path.append(os.path.join(sys.path[0], "snakespell-1.01"))
from scriptfoundry.snakespell import iSpell
server_name = "127.0.0.1"
server_port = 50100
configfile = os.path.join(os.getenv('HOME'), ".kde/share/config/languagetool")
def makeChecker(grammar_cfg=None, falsefriends_cfg=None, words_cfg=None, \
builtin_cfg=None, textlanguage=None, mothertongue=None, \
max_sentence_length=None):
"""Create a new TextChecker object and return it."""
checker = TextChecker.TextChecker(grammar_cfg, falsefriends_cfg, words_cfg, \
builtin_cfg, textlanguage, mothertongue, max_sentence_length)
return checker
def loadOptionList(config, enable_name, option_name):
val = None
if config.has_option("General", enable_name) and \
config.getboolean("General", enable_name):
if config.has_option("General", option_name):
val = re.split(',', config.get("General", option_name))
else:
val = ["NONE"]
return val
def loadOptionBoolean(config, option_name):
if config.has_option("General", option_name) and config.getboolean("General", option_name):
return 1
return None
def loadOptionString(config, option_name, default):
val = default
if config.has_option("General", option_name):
val = config.get("General", option_name)
return val
def readConfig():
"""Read the checker config from a KDE config file (INI style).
Return a checker which uses that config."""
config = ConfigParser.ConfigParser()
try:
config.readfp(open(configfile))
except IOError:
print "Couldn't load config file '%s', using defaults..." % configfile
grammar = loadOptionList(config, "EnableGrammar", "GrammarRules")
falsefriends = loadOptionList(config, "EnableFalseFriends", "FalseFriendsRules")
words = loadOptionList(config, "EnableWords", "WordsRules")
builtin = []
if loadOptionBoolean(config, "EnableWhitespaceCheck"):
builtin.append("WHITESPACE")
if len(builtin) == 0:
builtin = None
textlanguage = loadOptionString(config, "TextLanguage", "en")
mothertongue = loadOptionString(config, "MotherTongue", "en")
sentence_length = 0
if loadOptionBoolean(config, "EnableSentenceLength"):
if config.has_option("General", "MaxSentenceLength"):
sentence_length = config.getint("General", "MaxSentenceLength")
checker = makeChecker(grammar, falsefriends, words, builtin, \
textlanguage, mothertongue, sentence_length)
return checker
def getConfig(data):
"""Get a new config in pseudo XML format from the client.
It needs to be at the beginning of the string that comes
from the client and must be of form <config ... />.
Returns a tuple with the a checker based on this config and
the 'data' string with the config section removed."""
print "Receiving new config..."
line_end_pos = data.find("/>")
cfg_str = data[:line_end_pos]
data = data[line_end_pos+3:]
grammar = getConfigValue(cfg_str, "grammar")
falsefriends = getConfigValue(cfg_str, "falsefriends")
words = getConfigValue(cfg_str, "words")
builtin = getConfigValue(cfg_str, "builtin")
textlanguage = getConfigValue(cfg_str, "textlanguage")
if textlanguage:
textlanguage = textlanguage[0]
mothertongue = getConfigValue(cfg_str, "mothertongue")
if mothertongue:
mothertongue = mothertongue[0]
sentence_length = getConfigValue(cfg_str, "max-sentence-length")
if not sentence_length:
sentence_length = 0
else:
sentence_length = int(sentence_length[0])
checker = makeChecker(grammar, falsefriends, words, builtin, \
textlanguage, mothertongue, sentence_length)
return (checker, data)
def getConfigValue(cfg_str, val):
m = re.compile('%s="(.*?)"' % val).search(cfg_str)
if not m:
return None
s = m.group(1)
l = re.split(',', s)
return l
def main():
print "Binding to '%s:%d'..." % (server_name, server_port)
s.bind((server_name, server_port))
print "Listening..."
s.listen(1)
print "Setting up Checker..."
checker = readConfig()
print "Ready..."
while 1:
conn, addr = s.accept()
if addr[0] != "127.0.0.1": # security
print "Connection by '%s' refused" % addr[0]
conn.close()
continue
else:
print "Connected by '%s'" % addr[0]
l = []
limit = 1024
while 1:
data = conn.recv(limit)
l.append(data)
#FIXME: need to look for separator, not just < limit!
if not data or len(data) < limit:
break
data = str.join('', l)
print "Received '%s'" % data
if data.find("<config") != -1:
del checker
(checker, data) = getConfig(data)
print "New config activated"
t1 = time.time()
check_result = checkWords(checker, data)
t2 = time.time()-t1
print "Replying (%.2fs) '%s'" % (t2, check_result.encode('utf8'))
#print "Replying (%.2fs)" % t2
conn.send(check_result.encode('utf8'))
conn.close()
s.close()
return
def checkWordsTEST(words):
"""Just for testing. Marks 'working' as incorrect."""
words = re.split("\s+", words)
s = '<result>'
for w in words:
if w == "working":
s = s + '\t<error word="working" pos="5" corrections="Bohlen,Didda"/>'
s = s + '</result>'
return s
def checkWords(checker, words):
result = u'<result>'
### Spelling:
ispell = iSpell()
words = words.replace("\n", " ") # iSpell works line by line
r = ispell.check(words)
if r > 0:
# fixme: escape word
for mistake in ispell.getMistakes():
# TODO: make faster
pos = []
for p in mistake.getPositions():
result = u'%s<error from="%d" to="%d" word="%s" corrections="%s"/>' % \
(result, p, p+len(mistake.getWord()), \
unicode(mistake.getWord(), 'latin1'), \
unicode(str.join(',', mistake.corrections), ('latin1')))
### Grammar + Style:
(rule_matches, res, tags) = checker.check(words)
# FIXME: only if there's no overlap?!
result = result + res
result = result + '</result>\n'
return result
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
os.chdir(sys.path[0])
main()
except KeyboardInterrupt:
# TODO: close explicitely, unfortunately we still get an
# 'Address already in use' error if we restart immediately:
s.shutdown(2)
s.close()
print "Stopped."
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