# Coverage for /Users/marco/Code/django-rosetta/rosetta/views.py : 80.32%

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It provides: * security (see decorated dispatch() method) * a property for the 'po_filter' url argument """ # Handle security in our mixin # NOTE: after we drop support for Django 1.8, we can employ these decorators # more cleanly on the class itself, rather than the dispatch() method. (See # the Django docs: https://docs.djangoproject.com/en/dev/topics/class-based-views/intro/#decorating-the-class) @method_decorator(never_cache) @method_decorator(login_required) @method_decorator(user_passes_test(lambda user: can_translate(user), settings.LOGIN_URL)) def dispatch(self, *args, **kwargs): return super(RosettaBaseMixin, self).dispatch(*args, **kwargs) @cached_property def po_filter(self): """Return the filter applied to all of the .po files under consideration to determine which file is currently being translated. Options are: 'all', 'django', 'third-party', 'project'. If the filter isn't in this list, throw a 404. """ po_filter = self.kwargs.get('po_filter') 69 ↛ 70 line 69 didn't jump to line 70, because the condition on line 69 was never true if po_filter not in {'all', 'django', 'third-party', 'project'}: raise Http404 return po_filter class RosettaFileLevelMixin(RosettaBaseMixin): """Mixin for dealing with views that work specifically with a single .po file. In addition to what the super class brings, it adds the following properties: * language_id (e.g. 'fr'); derived from url, and validated * po_file_path (filesystem path to catalog) * po_file (pofile object) * po_file_is_writable (bool: do we have filesystem write perms to file) """ def _request_request(self, key, default=None): if key in self.request.GET: return self.request.GET.get(key) 86 ↛ 87 line 86 didn't jump to line 87, because the condition on line 86 was never true elif key in self.request.POST: return self.request.POST.get(key) return default @cached_property def language_id(self): """Determine/return the language id from the url kwargs, after validating that: 1. the language is in settings.LANGUAGES, and 2. the current user is permitted to translate that language (If either of the above fail, throw a 404.) """ # (Formerly known as "rosetta_i18n_lang_code") lang_id = self.kwargs['lang_id'] if lang_id not in {l[0] for l in settings.LANGUAGES}: raise Http404 103 ↛ 104 line 103 didn't jump to line 104, because the condition on line 103 was never true if not can_translate_language(self.request.user, lang_id): raise Http404 return lang_id @cached_property def po_file_path(self): """Based on the url kwargs, infer and return the path to the .po file to be shown/updated. Throw a 404 if a file isn't found. """ # This was formerly referred to as 'rosetta_i18n_fn' idx = self.kwargs['idx'] idx = int(idx) # idx matched url re expression; calling int() is safe third_party_apps = self.po_filter in ('all', 'third-party') django_apps = self.po_filter in ('all', 'django') project_apps = self.po_filter in ('all', 'project') po_paths = find_pos(self.language_id, project_apps=project_apps, django_apps=django_apps, third_party_apps=third_party_apps, ) po_paths.sort(key=get_app_name) try: path = po_paths[idx] except IndexError: raise Http404 return path @cached_property def po_file(self): """Return the parsed .po file that is currently being translated/viewed. (Note that this parsing also involves marking up each entry with a hash of its contents.) """ if self.po_file_is_writable: # If we can write changes to file, then we pull it up fresh with # each request. # XXX: brittle; what if this path doesn't exist? Isn't a .po file? po_file = pofile(self.po_file_path, wrapwidth=rosetta_settings.POFILE_WRAP_WIDTH) for entry in po_file: # Entry is an object representing a single entry in the catalog. # We interate through the *entire catalog*, pasting a hashed # value of the meat of each entry on its side in an attribute # called "md5hash". str_to_hash = ( six.text_type(entry.msgid) + six.text_type(entry.msgstr) + six.text_type(entry.msgctxt or '') ).encode('utf8') entry.md5hash = hashlib.md5(str_to_hash).hexdigest() else: storage = get_storage(self.request) po_file = storage.get(self.po_file_cache_key, None) if not po_file: po_file = pofile(self.po_file_path) for entry in po_file: # Entry is an object representing a single entry in the # catalog. We interate through the entire catalog, pasting # a hashed value of the meat of each entry on its side in # an attribute called "md5hash". str_to_hash = ( six.text_type(entry.msgid) + six.text_type(entry.msgstr) + six.text_type(entry.msgctxt or '') ).encode('utf8') entry.md5hash = hashlib.new('md5', str_to_hash).hexdigest() storage.set(self.po_file_cache_key, po_file) return po_file @cached_property def po_file_cache_key(self): """Return the cache key used to save/access the .po file (when actually persisted in cache). """ return 'po-file-%s' % self.po_file_path @cached_property def po_file_is_writable(self): """Return True if we're able (in terms of file system permissions) to write out changes to the .po file we're translating. """ # (This was formerly called 'rosetta_i18n_write'.) return os.access(self.po_file_path, os.W_OK) class TranslationFileListView(RosettaBaseMixin, TemplateView): """Lists the languages, the gettext catalog files that can be translated, and their translation progress for a filtered list of apps/projects. """ http_method_names = ['get'] template_name = 'rosetta/file-list.html' def get_context_data(self, **kwargs): context = super(TranslationFileListView, self).get_context_data(**kwargs) third_party_apps = self.po_filter in ('all', 'third-party') django_apps = self.po_filter in ('all', 'django') project_apps = self.po_filter in ('all', 'project') languages = [] has_pos = False for language in settings.LANGUAGES: if not can_translate_language(self.request.user, language[0]): continue po_paths = find_pos(language[0], project_apps=project_apps, django_apps=django_apps, third_party_apps=third_party_apps, ) po_files = [(get_app_name(l), os.path.realpath(l), pofile(l)) for l in po_paths] po_files.sort(key=lambda app: app[0]) languages.append((language[0], _(language[1]), po_files)) has_pos = has_pos or bool(po_paths) try: ADMIN_MEDIA_PREFIX = settings.ADMIN_MEDIA_PREFIX except AttributeError: ADMIN_MEDIA_PREFIX = settings.STATIC_URL + 'admin/' context['version'] = get_rosetta_version(True) context['ADMIN_MEDIA_PREFIX'] = ADMIN_MEDIA_PREFIX context['languages'] = languages context['has_pos'] = has_pos context['po_filter'] = self.po_filter return context class TranslationFormView(RosettaFileLevelMixin, TemplateView): """Show a form with a page's worth of messages to be translated; handle its submission by updating cached pofile and, if possible, writing out changes to existing .po file. Query strings that affect what's shown: * msg_filter: filters which messages are displayed. One of 'all', 'fuzzy', 'translated', and 'untranslated' * ref_lang: specifies which language should be shown as the source. Only applicable when REF_LANG setting is set to True * page: which page (number) should be shown of the paginated results (with msg_filter or query applied) * query: a search string, where only matches are shown. Fields that are searched include: source, translated text, "occurence" file path, or context hints. """ # Note: due to the unorthodox nature of the form itself, we're not using # Django's generic FormView as our base class. http_method_names = ['get', 'post'] template_name = 'rosetta/form.html' def fix_nls(self, in_, out_): """Fixes submitted translations by filtering carriage returns and pairing newlines at the begging and end of the translated string with the original """ 262 ↛ 263 line 262 didn't jump to line 263, because the condition on line 262 was never true if 0 == len(in_) or 0 == len(out_): return out_ 265 ↛ 266 line 265 didn't jump to line 266, because the condition on line 265 was never true if "\r" in out_ and "\r" not in in_: out_ = out_.replace("\r", '') if "\n" == in_[0] and "\n" != out_[0]: out_ = "\n" + out_ 270 ↛ 271 line 270 didn't jump to line 271, because the condition on line 270 was never true elif "\n" != in_[0] and "\n" == out_[0]: out_ = out_.lstrip() 272 ↛ 273 line 272 didn't jump to line 273, because the condition on line 272 was never true if 0 == len(out_): pass elif "\n" == in_[-1] and "\n" != out_[-1]: out_ = out_ + "\n" 276 ↛ 277 line 276 didn't jump to line 277, because the condition on line 276 was never true elif "\n" != in_[-1] and "\n" == out_[-1]: out_ = out_.rstrip() return out_ def post(self, request, *args, **kwargs): """The only circumstances when we POST is to submit the main form, both updating translations (if any changed) and advancing to the next page of messages. There is no notion of validation of this content; as implemented, unknown fields are ignored and a generic failure message is shown. Submitted changes are saved out to the specified .po file on the filesystem if that file is writable, otherwise the cached version of the file is updated (so it can be downloaded). Then the user is redirected to the next page of messages (if there is one; otherwise they're redirected back to the current page). """ # The message text inputs are captured as hashes of their initial # contents, preceded by "m_". Messages with plurals end with their # variation number. single_text_input_regex = re.compile(r'^m_([0-9a-f]+)$') plural_text_input_regex = re.compile(r'^m_([0-9a-f]+)_([0-9]+)$') file_change = False for field_name, new_msgstr in request.POST.items(): md5hash = None if plural_text_input_regex.match(field_name): md5hash, plural_id = plural_text_input_regex.match(field_name).groups() md5hash = str(md5hash) # polib parses .po files into unicode strings, but # doesn't bother to convert plural indexes to int, # so we need unicode here. plural_id = six.text_type(plural_id) # Above no longer true as of Polib 1.0.4 312 ↛ 319 line 312 didn't jump to line 319, because the condition on line 312 was never false if plural_id and plural_id.isdigit(): plural_id = int(plural_id) 315 ↛ 319 line 315 didn't jump to line 319, because the condition on line 315 was never false elif single_text_input_regex.match(field_name): md5hash = str(single_text_input_regex.match(field_name).groups()[0]) plural_id = None 319 ↛ 300 line 319 didn't jump to line 300, because the condition on line 319 was never false if md5hash is not None: # Empty string should be processed! entry = self.po_file.find(md5hash, 'md5hash') # If someone did a makemessage, some entries might # have been removed, so we need to check. if entry: old_msgstr = entry.msgstr if plural_id is not None: # 0 is ok! entry.msgstr_plural[plural_id] = self.fix_nls( entry.msgid_plural, new_msgstr ) else: entry.msgstr = self.fix_nls(entry.msgid, new_msgstr) is_fuzzy = bool(self.request.POST.get('f_%s' % md5hash, False)) old_fuzzy = 'fuzzy' in entry.flags 335 ↛ 336 line 335 didn't jump to line 336, because the condition on line 335 was never true if old_fuzzy and not is_fuzzy: entry.flags.remove('fuzzy') 337 ↛ 338 line 337 didn't jump to line 338, because the condition on line 337 was never true elif not old_fuzzy and is_fuzzy: entry.flags.append('fuzzy') file_change = True 342 ↛ 300 line 342 didn't jump to line 300, because the condition on line 342 was never false if old_msgstr != new_msgstr or old_fuzzy != is_fuzzy: entry_changed.send(sender=entry, user=request.user, old_msgstr=old_msgstr, old_fuzzy=old_fuzzy, pofile=self.po_file_path, language_code=self.language_id, ) else: messages.error( self.request, _("Some items in your last translation block couldn't " "be saved: this usually happens when the catalog file " "changes on disk after you last loaded it."), ) if file_change and self.po_file_is_writable: try: self.po_file.metadata['Last-Translator'] = unicodedata.normalize( 'NFKD', u"%s %s <%s>" % ( getattr(self.request.user, 'first_name', 'Anonymous'), getattr(self.request.user, 'last_name', 'User'), getattr(self.request.user, 'email', 'anonymous@user.tld') ) ).encode('ascii', 'ignore') self.po_file.metadata['X-Translated-Using'] = u"django-rosetta %s" % ( get_rosetta_version(False)) self.po_file.metadata['PO-Revision-Date'] = timestamp_with_timezone() except UnicodeDecodeError: pass try: self.po_file.save() po_filepath, ext = os.path.splitext(self.po_file_path) if rosetta_settings.AUTO_COMPILE: self.po_file.save_as_mofile(po_filepath + '.mo') post_save.send(sender=None, language_code=self.language_id, request=self.request ) # Try auto-reloading via the WSGI daemon mode reload mechanism should_try_wsgi_reload = ( rosetta_settings.WSGI_AUTO_RELOAD and 'mod_wsgi.process_group' in self.request.environ and self.request.environ.get('mod_wsgi.process_group', None) and 'SCRIPT_FILENAME' in self.request.environ and int(self.request.environ.get('mod_wsgi.script_reloading', 0)) ) 391 ↛ 392 line 391 didn't jump to line 392, because the condition on line 391 was never true if should_try_wsgi_reload: try: os.utime(self.request.environ.get('SCRIPT_FILENAME'), None) except OSError: pass # Try auto-reloading via uwsgi daemon reload mechanism 397 ↛ 398 line 397 didn't jump to line 398, because the condition on line 397 was never true if rosetta_settings.UWSGI_AUTO_RELOAD: try: import uwsgi uwsgi.reload() # pretty easy right? except: pass # we may not be running under uwsgi :P # XXX: It would be nice to add a success message here! except Exception as e: messages.error(self.request, e) if file_change and not self.po_file_is_writable: storage = get_storage(self.request) storage.set(self.po_file_cache_key, self.po_file) # Reconstitute url to redirect to. Start with determining whether the # page number can be incremented. paginator = Paginator(self.get_entries(), rosetta_settings.MESSAGES_PER_PAGE) try: page = int(self._request_request('page', 1)) except ValueError: page = 1 # fall back to page 1 else: 419 ↛ 420 line 419 didn't jump to line 420, because the condition on line 419 was never true if not (0 < page <= paginator.num_pages): page = 1 if page < paginator.num_pages: page += 1 query_string_args = { 'msg_filter': self.msg_filter, 'query': self.query, 'ref_lang': self.ref_lang, 'page': page, } # Winnow down the query string args to non-blank ones query_string_args = {k: v for k, v in query_string_args.items() if v} return HttpResponseRedirect("{url}?{qs}".format( url=reverse('rosetta-form', kwargs=self.kwargs), qs=urlencode(query_string_args), )) def get_context_data(self, **kwargs): context = super(TranslationFormView, self).get_context_data(**kwargs) entries = self.get_entries() paginator = Paginator(entries, rosetta_settings.MESSAGES_PER_PAGE) # Handle REF_LANG setting; mark up our entries with the reg lang's # corresponding translations LANGUAGES = list(settings.LANGUAGES) 444 ↛ 461 line 444 didn't jump to line 461, because the condition on line 444 was never false if rosetta_settings.ENABLE_REFLANG: if self.ref_lang_po_file: for o in paginator.object_list: ref_entry = self.ref_lang_po_file.find(o.msgid) if ref_entry and ref_entry.msgstr: o.ref_txt = ref_entry.msgstr else: o.ref_txt = o.msgid else: for o in paginator.object_list: o.ref_txt = o.msgid # XXX: having "MSGID" at the end of the dropdown is really odd, no? # Why not instead do this? # LANGUAGES = [('', '----')] + list(settings.LANGUAGES) LANGUAGES.append(('msgid', 'MSGID')) # Determine page number & how pagination links should be displayed try: page = int(self._request_request('page', 1)) except ValueError: page = 1 # fall back to page 1 else: if not (0 < page <= paginator.num_pages): page = 1 needs_pagination = paginator.num_pages > 1 if needs_pagination: if paginator.num_pages >= 10: page_range = pagination_range(1, paginator.num_pages, page) else: page_range = range(1, 1 + paginator.num_pages) rosetta_messages = paginator.page(page).object_list # Handle MAIN_LANGUAGE setting, if applicable; mark up each entry # in the pagination window with the "main language"'s string. main_language_id = rosetta_settings.MAIN_LANGUAGE main_language = None 481 ↛ 483 line 481 didn't jump to line 483, because the condition on line 481 was never true if main_language_id and main_language_id != self.language_id: # Translate from id to language name for language in settings.LANGUAGES: if language[0] == main_language_id: main_language = _(language[1]) break 487 ↛ 488 line 487 didn't jump to line 488, because the condition on line 487 was never true if main_language: main_lang_po_path = self.po_file_path.replace( '/%s/' % self.language_id, '/%s/' % main_language_id, ) # XXX: brittle; what if this path doesn't exist? Isn't a .po file? main_lang_po = pofile(main_lang_po_path) for message in rosetta_messages: message.main_lang = main_lang_po.find(message.msgid).msgstr # Collect some constants for the template try: ADMIN_MEDIA_PREFIX = settings.ADMIN_MEDIA_PREFIX ADMIN_IMAGE_DIR = ADMIN_MEDIA_PREFIX + 'img/admin/' except AttributeError: ADMIN_MEDIA_PREFIX = settings.STATIC_URL + 'admin/' ADMIN_IMAGE_DIR = ADMIN_MEDIA_PREFIX + 'img/' rosetta_i18n_lang_name = six.text_type( dict(settings.LANGUAGES).get(self.language_id) ) # "bidi" as in "bi-directional" rosetta_i18n_lang_bidi = self.language_id.split('-')[0] in settings.LANGUAGES_BIDI query_string_args = {} if self.msg_filter: query_string_args['msg_filter'] = self.msg_filter if self.query: query_string_args['query'] = self.query 515 ↛ 518 line 515 didn't jump to line 518, because the condition on line 515 was never false if self.ref_lang: query_string_args['ref_lang'] = self.ref_lang # Base for pagination links; the page num itself is added in template pagination_query_string_base = urlencode(query_string_args) # Base for msg filter links; it doesn't make sense to persist page # numbers in these links. We just pass in ref_lang, if it's set. filter_query_string_base = urlencode( {k: v for k, v in query_string_args.items() if k == 'ref_lang'} ) context.update({ 'version': get_rosetta_version(True), 'ADMIN_MEDIA_PREFIX': ADMIN_MEDIA_PREFIX, 'ADMIN_IMAGE_DIR': ADMIN_IMAGE_DIR, 'LANGUAGES': LANGUAGES, 'rosetta_settings': rosetta_settings, 'rosetta_i18n_lang_name': rosetta_i18n_lang_name, 'rosetta_i18n_lang_code': self.language_id, 'rosetta_i18n_lang_bidi': rosetta_i18n_lang_bidi, 'rosetta_i18n_filter': self.msg_filter, 'rosetta_i18n_write': self.po_file_is_writable, 'rosetta_messages': rosetta_messages, 'page_range': needs_pagination and page_range, 'needs_pagination': needs_pagination, 'main_language': main_language, 'rosetta_i18n_app': get_app_name(self.po_file_path), 'page': page, 'query': self.query, 'pagination_query_string_base': pagination_query_string_base, 'filter_query_string_base': filter_query_string_base, 'paginator': paginator, 'rosetta_i18n_pofile': self.po_file, 'ref_lang': self.ref_lang, }) return context @cached_property def ref_lang(self): """Return the language id for the "reference language" (the language to be translated *from*, if not English). Throw a 404 if it's not in settings.LANGUAGES. """ ref_lang = self._request_request('ref_lang', 'msgid') if ref_lang != 'msgid': allowed_languages = {l[0] for l in settings.LANGUAGES} 562 ↛ 563 line 562 didn't jump to line 563, because the condition on line 562 was never true if ref_lang not in allowed_languages: raise Http404 return ref_lang @cached_property def ref_lang_po_file(self): """Return a parsed .po file object for the "reference language", if one exists, otherwise None. """ ref_pofile = None if rosetta_settings.ENABLE_REFLANG and self.ref_lang != 'msgid': ref_fn = re.sub( '/locale/[a-z]{2}/', '/locale/%s/' % (self.ref_lang), self.po_file_path, ) try: ref_pofile = pofile(ref_fn) except IOError: # there's a syntax error in the PO file and polib can't # open it. Let's just do nothing and thus display msgids. # XXX: :-/ pass return ref_pofile @cached_property def msg_filter(self): """Validate/return msg_filter from request (e.g. 'fuzzy', 'untranslated'), or a default. If a query is also specified in the request, then return None. """ if self.query: msg_filter = None else: msg_filter = self._request_request('msg_filter', 'all') available_msg_filters = {'untranslated', 'translated', 'fuzzy', 'all'} 599 ↛ 600 line 599 didn't jump to line 600, because the condition on line 599 was never true if msg_filter not in available_msg_filters: msg_filter = 'all' return msg_filter @cached_property def query(self): """Strip and return the query (for searching the catalog) from the request, or None. """ return self._request_request('query', '').strip() or None def get_entries(self): """Return a list of the entries (messages) that would be part of the current "view"; that is, all of the ones from this .po file matching the current query or msg_filter. """ if self.query: # Scenario #1: terms matching a search query rx = re.compile(re.escape(self.query), re.IGNORECASE) def concat_entry(e): return (six.text_type(e.msgstr) + six.text_type(e.msgid) + six.text_type(e.comment) + u''.join([o[0] for o in e.occurrences]) ) entries = [e_ for e_ in self.po_file if not e_.obsolete and rx.search(concat_entry(e_))] else: # Scenario #2: filtered list of messages if self.msg_filter == 'untranslated': entries = self.po_file.untranslated_entries() elif self.msg_filter == 'translated': entries = self.po_file.translated_entries() 634 ↛ 635 line 634 didn't jump to line 635, because the condition on line 634 was never true elif self.msg_filter == 'fuzzy': entries = [e_ for e_ in self.po_file.fuzzy_entries() if not e_.obsolete] else: # ("all") entries = [e_ for e_ in self.po_file if not e_.obsolete] return entries class TranslationFileDownload(RosettaFileLevelMixin, View): """Download a zip file for a specific catalog including both the raw (.po) and compiled (.mo) files, either as they exist on disk, or, if what's on disk is unwritable (permissions-wise), return what's in the cache. """ http_method_names = [u'get'] def get(self, request, *args, **kwargs): try: 652 ↛ 655 line 652 didn't jump to line 655, because the condition on line 652 was never false if len(self.po_file_path.split('/')) >= 5: offered_fn = '_'.join(self.po_file_path.split('/')[-5:]) else: offered_fn = self.po_file_path.split('/')[-1] po_fn = str(self.po_file_path.split('/')[-1]) mo_fn = str(po_fn.replace('.po', '.mo')) # not so smart, huh zipdata = six.BytesIO() with zipfile.ZipFile(zipdata, mode="w") as zipf: zipf.writestr(po_fn, six.text_type(self.po_file).encode("utf8")) zipf.writestr(mo_fn, self.po_file.to_binary()) zipdata.seek(0) response = HttpResponse(zipdata.read()) filename = 'filename=%s.%s.zip' % (offered_fn, self.language_id) response['Content-Disposition'] = 'attachment; %s' % filename response['Content-Type'] = 'application/x-zip' return response except Exception: # XXX: should add a message! return HttpResponseRedirect( reverse('rosetta-file-list', kwargs={'po_filter': 'project'}) ) 676 ↛ exit line 676 didn't run the lambda on line 676@user_passes_test(lambda user: can_translate(user), settings.LOGIN_URL) def translate_text(request): language_from = request.GET.get('from', None) language_to = request.GET.get('to', None) text = request.GET.get('text', None) if language_from == language_to: data = {'success': True, 'translation': text} else: # run the translation: AZURE_CLIENT_ID = getattr(settings, 'AZURE_CLIENT_ID', None) AZURE_CLIENT_SECRET = getattr(settings, 'AZURE_CLIENT_SECRET', None) translator = Translator(AZURE_CLIENT_ID, AZURE_CLIENT_SECRET) try: translated_text = translator.translate(text, language_to, language_from) data = {'success': True, 'translation': translated_text} except TranslateApiException as e: data = { 'success': False, 'error': "Translation API Exception: {0}".format(e.message), } return JsonResponse(data)