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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2009 Zuza Software Foundation
#
# This file is part of Pootle.
#
# 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, see <http://www.gnu.org/licenses/>.
import os
import cStringIO
import gettext
import zipfile
import logging
from django.conf import settings
from django.db import models
from django.db.models.signals import post_init, pre_save, post_save, post_delete
from django.core.exceptions import PermissionDenied
from django.utils.translation import ugettext_lazy as _
from translate.filters import checks
from translate.search import match, indexing
from translate.storage import base, versioncontrol
from pootle.scripts import hooks
from pootle_misc.util import getfromcache
from pootle_misc.baseurl import l
from pootle_store.models import Store
from pootle_store.util import relative_real_path, absolute_real_path, dictsum
from pootle_app.lib.util import RelatedManager
from pootle_app.models.project import Project
from pootle_app.models.language import Language
from pootle_app.models.directory import Directory
from pootle_app import project_tree
from pootle_app.models.permissions import check_permission
from translate.storage import statsdb
from pootle_app.models.signals import post_vc_update, post_vc_commit
class TranslationProjectNonDBState(object):
def __init__(self, parent):
self.parent = parent
# terminology matcher
self.termmatcher = None
self.termmatchermtime = None
self._indexing_enabled = True
self._index_initialized = False
translation_project_non_db_state = {}
def create_translation_project(language, project):
if project_tree.translation_project_should_exist(language, project):
try:
translation_project, created = TranslationProject.objects.get_or_create(language=language, project=project)
project_tree.scan_translation_project_files(translation_project)
return translation_project
except OSError:
return None
except IndexError:
return None
def scan_translation_projects():
for language in Language.objects.all():
for project in Project.objects.all():
create_translation_project(language, project)
class VersionControlError(Exception):
pass
class TranslationProject(models.Model):
objects = RelatedManager()
index_directory = ".translation_index"
class Meta:
unique_together = ('language', 'project')
app_label = "pootle_app"
language = models.ForeignKey(Language, db_index=True)
project = models.ForeignKey(Project, db_index=True)
real_path = models.FilePathField(editable=False)
directory = models.OneToOneField(Directory, db_index=True, editable=False)
pootle_path = models.CharField(max_length=255, null=False, unique=True, db_index=True, editable=False)
def __unicode__(self):
return self.pootle_path
def get_absolute_url(self):
return l(self.pootle_path)
fullname = property(lambda self: "%s [%s]" % (self.project.fullname, self.language.fullname))
def _get_abs_real_path(self):
return absolute_real_path(self.real_path)
def _set_abs_real_path(self, value):
self.real_path = relative_real_path(value)
abs_real_path = property(_get_abs_real_path, _set_abs_real_path)
def _get_treestyle(self):
return self.project.get_treestyle()
file_style = property(_get_treestyle)
def _get_checker(self):
checkerclasses = [checks.projectcheckers.get(self.project.checkstyle,
checks.StandardChecker),
checks.StandardUnitChecker]
return checks.TeeChecker(checkerclasses=checkerclasses,
errorhandler=self.filtererrorhandler,
languagecode=self.language.code)
checker = property(_get_checker)
def filtererrorhandler(self, functionname, str1, str2, e):
logging.error("error in filter %s: %r, %r, %s", functionname, str1, str2, e)
return False
def _get_non_db_state(self):
if self.id not in translation_project_non_db_state:
translation_project_non_db_state[self.id] = TranslationProjectNonDBState(self)
return translation_project_non_db_state[self.id]
non_db_state = property(_get_non_db_state)
@getfromcache
def getquickstats(self):
if not self.is_template_project:
return self.directory.getquickstats()
else:
#FIXME: Hackish return empty_stats to avoid messing up
# with project and language stats
empty_stats = {'fuzzy': 0,
'fuzzysourcewords': 0,
'review': 0,
'total': 0,
'totalsourcewords': 0,
'translated': 0,
'translatedsourcewords': 0,
'translatedtargetwords': 0,
'untranslated': 0,
'untranslatedsourcewords': 0}
return empty_stats
@getfromcache
def getcompletestats(self):
if not self.is_template_project:
return self.directory.getcompletestats(self.checker)
else:
#FIXME: Hackish return empty_stats to avoid messing up
# with project and language stats
empty_stats = {'fuzzy': 0,
'fuzzysourcewords': 0,
'review': 0,
'total': 0,
'totalsourcewords': 0,
'translated': 0,
'translatedsourcewords': 0,
'translatedtargetwords': 0,
'untranslated': 0,
'untranslatedsourcewords': 0}
return empty_stats
def _get_indexer(self):
if self.non_db_state._indexing_enabled:
try:
indexer = self.make_indexer()
if not self.non_db_state._index_initialized:
self.init_index(indexer)
self.non_db_state._index_initialized = True
return indexer
except Exception, e:
logging.warning("Could not initialize indexer for %s in %s: %s", self.project.code, self.language.code, str(e))
self.non_db_state._indexing_enabled = False
return None
else:
return None
indexer = property(_get_indexer)
def _has_index(self):
return self.non_db_state._indexing_enabled and \
(self.non_db_state._index_initialized or self.indexer != None)
has_index = property(_has_index)
def update_file_from_version_control(self, store):
try:
hooks.hook(self.project.code, "preupdate", store.file.path)
except:
pass
# keep a copy of working files in memory before updating
oldstats = store.getquickstats()
working_copy = store.file.store
try:
logging.debug("updating %s from version control", store.file.path)
versioncontrol.updatefile(store.file.path)
store.file._delete_store_cache()
remotestats = store.getquickstats()
except Exception, e:
#something wrong, file potentially modified, bail out
#and replace with working copy
logging.error("near fatal catastrophe, exception %s while updating %s from version control", e, store.file.path)
working_copy.save()
raise VersionControlError
#FIXME: try to avoid merging if file was not updated
logging.debug("merging %s with version control update", store.file.path)
store.mergefile(working_copy, "versionmerge", allownewstrings=False, suggestions=True, notranslate=False, obsoletemissing=False)
try:
hooks.hook(self.project.code, "postupdate", store.file.path)
except:
pass
newstats = store.getquickstats()
return oldstats, remotestats, newstats
def update_project(self, request):
"""updates project translation files from version control,
retaining uncommitted translations"""
if not check_permission("commit", request):
raise PermissionDenied(_("You do not have rights to update from version control here"))
old_stats = self.getquickstats()
remote_stats = {}
stores = self.stores.all()
for store in stores:
try:
oldstats, remotestats, newstats = self.update_file_from_version_control(store)
remote_stats = dictsum(remote_stats, remotestats)
except VersionControlError:
pass
project_tree.scan_translation_project_files(self)
new_stats = self.getquickstats()
request.user.message_set.create(message=unicode(_("Updated %s files from version control", self.fullname)))
request.user.message_set.create(message=stats_message("working copy", old_stats))
request.user.message_set.create(message=stats_message("remote copy", remote_stats))
request.user.message_set.create(message=stats_message("merged copy", new_stats))
post_vc_update.send(sender=self, oldstats=old_stats, remotestats=remote_stats, newstats=new_stats)
def update_file(self, request, store):
"""updates file from version control, retaining uncommitted
translations"""
if not check_permission("commit", request):
raise PermissionDenied(_("You do not have rights to update from version control here"))
try:
oldstats, remotestats, newstats = self.update_file_from_version_control(store)
request.user.message_set.create(message=unicode(_("Updated file %s from version control", store.file.name)))
request.user.message_set.create(message=stats_message("working copy", oldstats))
request.user.message_set.create(message=stats_message("remote copy", remotestats))
request.user.message_set.create(message=stats_message("merged copy", newstats))
post_vc_update.send(sender=self, oldstats=oldstats, remotestats=remotestats, newstats=newstats)
except VersionControlError:
request.user.message_set.create(message=unicode(_("Failed to update %s from version control", store.file.name)))
project_tree.scan_translation_project_files(self)
def commitpofile(self, request, store):
"""commits an individual PO file to version control"""
if not check_permission("commit", request):
raise PermissionDenied(_("You do not have rights to commit files here"))
stats = store.file.getquickstats()
author = request.user.username
message = stats_message("Commit from %s by user %s." % (settings.TITLE, author), stats)
try:
filestocommit = hooks.hook(self.project.code, "precommit", store.file.path, author=author, message=message)
except ImportError:
# Failed to import the hook - we're going to assume there just isn't a hook to
# import. That means we'll commit the original file.
filestocommit = [store.file.path]
success = True
try:
for file in filestocommit:
versioncontrol.commitfile(file, message=message, author=author)
request.user.message_set.create(message="Committed file: <em>%s</em>" % file)
except Exception, e:
logging.error("Failed to commit files: %s", e)
request.user.message_set.create(message="Failed to commit file: %s" % e)
success = False
try:
hooks.hook(self.project.code, "postcommit", store.file.path, success=success)
except:
#FIXME: We should not hide the exception - makes development impossible
pass
post_vc_commit.send(sender=self, store=store, stats=stats, user=request.user, success=success)
return success
def initialize(self):
try:
hooks.hook(self.project.code, "initialize", self.real_path, self.language.code)
except Exception, e:
logging.error("Failed to initialize (%s): %s", self.language.code, e)
##############################################################################################
def get_archive(self, stores):
"""returns an archive of the given filenames"""
tempzipfile = None
try:
# using zip command line is fast
from tempfile import mkstemp
# The temporary file below is opened and immediately closed for security reasons
fd, tempzipfile = mkstemp(prefix='pootle', suffix='.zip')
os.close(fd)
os.system("cd %s ; zip -r - %s > %s" % (self.abs_real_path, " ".join(store.abs_real_path[len(self.abs_real_path)+1:] for store in stores), tempzipfile))
filedata = open(tempzipfile, "r").read()
if filedata:
return filedata
finally:
if tempzipfile is not None and os.path.exists(tempzipfile):
os.remove(tempzipfile)
# but if it doesn't work, we can do it from python
archivecontents = cStringIO.StringIO()
archive = zipfile.ZipFile(archivecontents, 'w', zipfile.ZIP_DEFLATED)
for store in stores:
archive.write(store.abs_real_path.encode('utf-8'), store.abs_real_path[len(self.abs_real_path)+1:].encode('utf-8'))
archive.close()
return archivecontents.getvalue()
##############################################################################################
def make_indexer(self):
"""get an indexing object for this project
Since we do not want to keep the indexing databases open for the lifetime of
the TranslationProject (it is cached!), it may NOT be part of the Project object,
but should be used via a short living local variable.
"""
indexdir = os.path.join(self.abs_real_path, self.index_directory)
index = indexing.get_indexer(indexdir)
index.set_field_analyzers({
"pofilename": index.ANALYZER_EXACT,
"itemno": index.ANALYZER_EXACT,
"pomtime": index.ANALYZER_EXACT})
return index
def init_index(self, indexer):
"""initializes the search index"""
for store in Store.objects.filter(pootle_path__startswith=self.pootle_path):
self.update_index(indexer, store, optimize=False)
def update_index(self, indexer, store, items=None, optimize=True):
"""updates the index with the contents of pofilename (limit to items if given)
There are three reasons for calling this function:
1. creating a new instance of L{TranslationProject} (see L{initindex})
-> check if the index is up-to-date / rebuild the index if necessary
2. translating a unit via the web interface
-> (re)index only the specified unit(s)
The argument L{items} should be None for 1.
known problems:
1. This function should get called, when the po file changes externally.
WARNING: You have to stop the pootle server before manually changing
po files, if you want to keep the index database in sync.
@param items: list of unit numbers within the po file OR None (=rebuild all)
@type items: [int]
@param optimize: should the indexing database be optimized afterwards
@type optimize: bool
"""
#FIXME: leverage file updated signal to check if index needs updating
if indexer == None:
return False
# check if the pomtime in the index == the latest pomtime
try:
pomtime = str(hash(statsdb.get_mod_info(store.file.path))**2)
pofilenamequery = indexer.make_query([("pofilename", store.pootle_path)], True)
pomtimequery = indexer.make_query([("pomtime", pomtime)], True)
gooditemsquery = indexer.make_query([pofilenamequery, pomtimequery], True)
gooditemsnum = indexer.get_query_result(gooditemsquery).get_matches_count()
# if there is at least one up-to-date indexing item, then the po file
# was not changed externally -> no need to update the database
if (gooditemsnum > 0) and (not items):
# nothing to be done
return
elif items:
# Update only specific items - usually single translation via the web
# interface. All other items should still be up-to-date (even with an
# older pomtime).
# delete the relevant items from the database
itemsquery = indexer.make_query([("itemno", str(itemno)) for itemno in items], False)
indexer.delete_doc([pofilenamequery, itemsquery])
else:
# (items is None)
# The po file is not indexed - or it was changed externally
# delete all items of this file
indexer.delete_doc({"pofilename": store.pootle_path})
if items is None:
# rebuild the whole index
items = range(store.file.getitemslen())
addlist = []
for itemno in items:
unit = store.file.getitem(itemno)
doc = {"pofilename": store.pootle_path, "pomtime": str(pomtime), "itemno": str(itemno)}
if unit.hasplural():
orig = "\n".join(unit.source.strings)
trans = "\n".join(unit.target.strings)
else:
orig = unit.source
trans = unit.target
doc["source"] = orig
doc["target"] = trans
doc["notes"] = unit.getnotes()
doc["locations"] = unit.getlocations()
addlist.append(doc)
if addlist:
indexer.begin_transaction()
try:
for add_item in addlist:
indexer.index_document(add_item)
finally:
indexer.commit_transaction()
indexer.flush(optimize=optimize)
except (base.ParseError, IOError, OSError):
indexer.delete_doc({"pofilename": store.pootle_path})
logging.error("Not indexing %s, since it is corrupt", store.pootle_path)
##############################################################################################
is_terminology_project = property(lambda self: self.project.code == "terminology")
is_template_project = property(lambda self: self.language.code == 'templates')
stores = property(lambda self: Store.objects.filter(pootle_path__startswith=self.pootle_path))
def gettermbase(self, make_matcher):
"""returns this project's terminology store"""
if self.is_terminology_project:
query = self.stores
if query.count() > 0:
return make_matcher(self)
else:
termfilename = "pootle-terminology." + self.project.localfiletype
try:
store = Store.objects.get(pootle_path=termfilename)
return make_matcher(store)
except Store.DoesNotExist:
pass
raise StopIteration()
def gettermmatcher(self):
"""returns the terminology matcher"""
def make_matcher(termbase):
newmtime = termbase.pomtime
if newmtime != self.non_db_state.termmatchermtime:
if self.is_terminology_project:
return match.terminologymatcher([store.file.store for store in self.stores.all()]), newmtime
else:
return match.terminologymatcher(termbase), newmtime
if self.non_db_state.termmatcher is None:
try:
self.non_db_state.termmatcher, self.non_db_state.termmatchermtime = self.gettermbase(make_matcher)
except StopIteration:
if not self.is_terminology_project:
try:
termproject = TranslationProject.objects.get(language=self.language_id, project__code='terminology')
self.non_db_state.termmatcher = termproject.gettermmatcher()
self.non_db_state.termmatchermtime = termproject.non_db_state.termmatchermtime
except TranslationProject.DoesNotExist:
pass
return self.non_db_state.termmatcher
##############################################################################################
#FIXME: we should cache results to ease live translation
def translate_message(self, singular, plural=None, n=1):
for store in self.stores:
store.file.store.require_index()
unit = store.file.store.findunit(singular)
if unit is not None and unit.istranslated():
if unit.hasplural() and n != 1:
nplural, pluralequation = store.file.store.getheaderplural()
if pluralequation:
pluralfn = gettext.c2py(pluralequation)
target = unit.target.strings[pluralfn(n)]
if target is not None:
return target
else:
return unit.target
# no translation found
if n != 1 and plural is not None:
return plural
else:
return singular
def stats_message(version, stats):
return "%s: %d of %d messages translated (%d fuzzy)." % \
(version, stats.get("translated", 0), stats.get("total", 0), stats.get("fuzzy", 0))
def set_data(sender, instance, **kwargs):
project_dir = instance.project.get_real_path()
ext = project_tree.get_extension(instance.language, instance.project)
instance.abs_real_path = project_tree.get_translation_project_dir(instance.language, project_dir, instance.file_style, make_dirs=True)
instance.directory = Directory.objects.root\
.get_or_make_subdir(instance.language.code)\
.get_or_make_subdir(instance.project.code)
instance.pootle_path = instance.directory.pootle_path
pre_save.connect(set_data, sender=TranslationProject)
def delete_directory(sender, instance, **kwargs):
instance.directory.delete()
post_delete.connect(delete_directory, sender=TranslationProject)
def add_pomtime(sender, instance, **kwargs):
instance.pomtime = 0
post_init.connect(add_pomtime, sender=TranslationProject)
def scan_languages(sender, instance, **kwargs):
for language in Language.objects.all():
create_translation_project(language, instance)
post_save.connect(scan_languages, sender=Project)
def scan_projects(sender, instance, **kwargs):
for project in Project.objects.all():
create_translation_project(instance, project)
post_save.connect(scan_projects, sender=Language)
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