def app_xml(app_id):
try:
app = db.session.query(App).filter_by(unique_id=app_id, composer = 'adapt').first()
if app is None:
return "App not found", 404
data = json.loads(app.data)
if data['adaptor_type'] != 'jsconfig':
return "App deprecated", 404
url = data['url'].strip()
contents = get_cached_session().get(url).text
# If the user hasn't clicked on "Save" yet, do not replace configuration script
if data.get('configuration_name'):
contents = replace_default_configuration_script(contents,
url_for('.configuration', app_id=app_id, _external=True))
contents = inject_absolute_urls(contents, url)
xmldoc = minidom.parseString(contents)
inject_original_url_in_xmldoc(xmldoc, url)
inject_absolute_locales_in_xmldoc(xmldoc, url)
contents = xmldoc.toprettyxml()
except Exception as e:
traceback.print_exc()
# TODO: some bootstrap magic
return "Could not convert the application. %s" % str(e)
else:
return Response(contents, mimetype='text/xml')
def get_contents(lang, trials=2):
if lang == 'en':
resource_id = '560410f1f0e1b09f6c8117ec'
requests = get_cached_session()
request_url = "http://graasp.eu/resources/{0}/raw".format(resource_id)
try:
r = requests.get(request_url, timeout=(10,10))
r.raise_for_status()
except Exception:
raise TimeoutError("Timeout")
try:
return json.JSONDecoder(object_pairs_hook=OrderedDict).decode(r.text)
except ValueError as ve:
if len(r.text) == 0:
if trials == 0:
raise ValueError("{}: {} returned empty result!".format(ve, request_url))
return get_contents(lang, trials-1)
if len(r.text) >= 20:
response = '{!r}...'.format(r.text[:20])
else:
response = r.text
raise ValueError("{}: {}: {!r}".format(ve, request_url, response))
else:
return None
def app_xml(app_id):
try:
app = db.session.query(App).filter_by(unique_id=app_id,
composer='adapt').first()
if app is None:
return "App not found", 404
data = json.loads(app.data)
if data['adaptor_type'] != 'jsconfig':
return "App deprecated", 404
url = data['url'].strip()
contents = get_cached_session().get(url).text
# If the user hasn't clicked on "Save" yet, do not replace configuration script
if data.get('configuration_name'):
contents = replace_default_configuration_script(
contents,
url_for('.configuration', app_id=app_id, _external=True))
contents = inject_absolute_urls(contents, url)
xmldoc = minidom.parseString(contents)
inject_original_url_in_xmldoc(xmldoc, url)
inject_absolute_locales_in_xmldoc(xmldoc, url)
contents = xmldoc.toprettyxml()
except Exception as e:
traceback.print_exc()
# TODO: some bootstrap magic
return "Could not convert the application. %s" % str(e)
else:
return Response(contents, mimetype='text/xml')
def get_contents(lang, trials=2):
if lang == 'en':
resource_id = '5a2ee559256f60731402f4da'
requests = get_cached_session()
request_url = "http://graasp.eu/resources/{0}/raw".format(resource_id)
try:
r = requests.get(request_url, timeout=(10,10))
r.raise_for_status()
except Exception:
raise TimeoutError("Timeout")
try:
return json.JSONDecoder(object_pairs_hook=OrderedDict).decode(r.text)
except ValueError as ve:
if len(r.text) == 0:
if trials == 0:
raise ValueError("{}: {} returned empty result!".format(ve, request_url))
return get_contents(lang, trials-1)
if len(r.text) >= 20:
response = '{!r}...'.format(r.text[:20])
else:
response = r.text
raise ValueError("{}: {}: {!r}".format(ve, request_url, response))
else:
return None
def __init__(self, app_url, force_reload):
threading.Thread.__init__(self)
self.cached_requests = get_cached_session()
self.app_url = app_url
self.force_reload = force_reload
self.finished = False
self.failing = False
self.metadata_information = None
def get_languages():
return ['en']
requests = get_cached_session()
languages = []
for line in requests.get(
"http://go-lab.gw.utwente.nl/production/common/languages/list.txt"
).text.splitlines():
languages.append(line.split("_")[1])
return languages
def synchronize_apps_no_cache():
"""Force obtaining the results and checking everything again to avoid inconsistences. This should be run once a day."""
sync_id = start_synchronization()
try:
cached_requests = get_cached_session()
synced_apps = _sync_golab_translations(cached_requests, force_reload = True)
_sync_regular_apps(cached_requests, synced_apps, force_reload = True)
finally:
end_synchronization(sync_id)
def __init__(self, app_url, force_reload):
threading.Thread.__init__(self)
self.cached_requests = trutils.get_cached_session(
caching=not force_reload)
self.app_url = app_url
self.force_reload = force_reload
self.finished = False
self.failing = False
self.metadata_information = None
def synchronize_apps_cache():
"""Force obtaining the results and checking everything again to avoid inconsistences.
This can safely be run every few minutes, since most applications will be in the cache."""
sync_id = start_synchronization()
try:
cached_requests = get_cached_session()
synced_apps = _sync_golab_translations(cached_requests, force_reload = False)
_sync_regular_apps(cached_requests, synced_apps, force_reload = False)
finally:
end_synchronization(sync_id)
def locale(language):
requests = get_cached_session()
if language not in get_languages():
return "Language not found", 404
# xml_response = requests.get('http://go-lab.gw.utwente.nl/production/commons/commons_en_ALL.xml')
xml_response = requests.get('http://go-lab.gw.utwente.nl/production/commons/languages/common_{0}_ALL.xml'.format(language))
response = make_response(get_text_from_response(xml_response))
response.content_type = 'application/xml'
return response
def synchronize_apps_no_cache(source, single_app_url = None):
"""Force obtaining the results and checking everything again to avoid inconsistences. This should be run once a day."""
sync_id = start_synchronization(source = source, cached = False, single_app_url = single_app_url)
number = 0
try:
cached_requests = trutils.get_cached_session(caching = False)
synced_apps = []
all_golab_apps = _get_golab_translations(cached_requests)
all_golab_apps.extend(get_other_apps())
number += _sync_translations(cached_requests, "Go-Lab apps", synced_apps, all_golab_apps, force_reload = True, single_app_url = single_app_url)
number += _sync_regular_apps(cached_requests, synced_apps, force_reload = True, single_app_url = single_app_url)
finally:
end_synchronization(sync_id, number)
def run(self):
self.failing = False
cached_requests = trutils.get_cached_session(caching = not self.force_reload)
try:
self.metadata_information = extract_metadata_information(self.app_url, self.preview_link, cached_requests, self.force_reload, app_format=self.app_format)
except Exception:
logger.warning("Error extracting information from %s" % self.app_url, exc_info = True)
if DEBUG_VERBOSE:
print("Error extracting information from %s" % self.app_url)
traceback.print_exc()
self.metadata_information = {}
self.failing = True
else:
self.failing = self.metadata_information.get('failing', False)
self.finished = True
def locale(language):
requests = get_cached_session()
if language not in get_languages():
return "Language not found", 404
# xml_response = requests.get('http://go-lab.gw.utwente.nl/production/commons/commons_en_ALL.xml')
try:
xml_response = requests.get(
'http://go-lab.gw.utwente.nl/production/common/languages/common_{0}_ALL.xml'
.format(language),
timeout=(10, 10))
except Exception:
return "Error requesting external resource", 502
else:
response = make_response(get_text_from_response(xml_response))
response.content_type = 'application/xml'
return response
def synchronize_apps_no_cache(source, single_app_url=None):
"""Force obtaining the results and checking everything again to avoid inconsistences. This should be run once a day."""
sync_id = start_synchronization(source=source,
cached=False,
single_app_url=single_app_url)
number = 0
try:
cached_requests = trutils.get_cached_session(caching=False)
synced_apps = []
all_golab_apps = _get_golab_translations(cached_requests)
all_golab_apps.extend(get_other_apps())
number += _sync_translations(cached_requests,
"Go-Lab apps",
synced_apps,
all_golab_apps,
force_reload=True,
single_app_url=single_app_url)
number += _sync_regular_apps(cached_requests,
synced_apps,
force_reload=True,
single_app_url=single_app_url)
finally:
end_synchronization(sync_id, number)
def run(self):
self.failing = False
cached_requests = trutils.get_cached_session(
caching=not self.force_reload)
try:
self.metadata_information = extract_metadata_information(
self.app_url,
self.preview_link,
cached_requests,
self.force_reload,
app_format=self.app_format)
except Exception:
logger.warning("Error extracting information from %s" %
self.app_url,
exc_info=True)
if DEBUG_VERBOSE:
print("Error extracting information from %s" % self.app_url)
traceback.print_exc()
self.metadata_information = {}
self.failing = True
else:
self.failing = self.metadata_information.get('failing', False)
self.finished = True
def extract_metadata_information(app_url, preview_link, cached_requests = None, force_reload = False, app_format=None):
if cached_requests is None:
cached_requests = get_cached_session()
if not app_format or app_format == 'opensocial':
app_information = _extract_information_opensocial(app_url, cached_requests)
elif app_format == 'html':
app_information = _extract_information_html(app_url, cached_requests)
else:
raise TranslatorError('Invalid app format: {}'.format(app_format))
original_translations = {}
original_translation_urls = {}
default_translations = {}
default_translation_url = None
default_metadata = {}
if len(app_information.locales) == 0:
translatable = False
else:
translatable = True
default_locale = None
for locale in app_information.locales:
lang = locale['lang']
country = locale['country']
messages_url = locale['messages']
if lang and messages_url and lang.lower() != 'all':
if country:
lang = u'{}_{}'.format(lang, country)
elif len(lang) == 2:
lang = u'%s_ALL' % lang
if lang.lower() == 'zh_all':
lang = 'zh_CN'
if '_' in lang and lang.split('_')[0].lower() == lang.split('_')[1].lower():
# es_ES is es_ALL, fr_FR is fr_ALL
lang = '{}_ALL'.format(lang.split('_'))
try:
absolute_url, messages, metadata, locale_contents = _retrieve_messages_from_relative_url(app_url, messages_url, cached_requests)
except TranslatorError as e:
logging.warning(u"Could not load %s translation for app URL: %s Reason: %s" % (lang, app_url, e), exc_info = True)
continue
else:
new_messages = {}
if messages:
for key, value in messages.iteritems():
new_messages[key] = value['text']
original_translations[lang] = new_messages
original_translation_urls[lang] = absolute_url
if (lang is None or lang.lower() == 'all') and messages_url:
# Process this later. This way we can force we get the results for the default translation
default_locale = locale
if default_locale is not None:
messages_url = default_locale['messages']
absolute_url, messages, metadata, locale_contents = _retrieve_messages_from_relative_url(app_url, messages_url, cached_requests)
default_translations = messages
default_translation_url = absolute_url
default_metadata = metadata
# No English? Default is always English!
if 'en_ALL' not in original_translations:
lang = 'en_ALL'
new_messages = {}
if messages:
for key, value in messages.iteritems():
new_messages[key] = value['text']
original_translations[lang] = new_messages
original_translation_urls[lang] = absolute_url
check_urls = app_information.check_urls
if preview_link:
check_urls.append(preview_link)
metadata = {
'translatable' : translatable,
'check_urls' : check_urls,
'uses_proxy': app_information.uses_proxy,
'adaptable' : False, # Not supported anymore (all 0 in the database right now)
'original_translations' : original_translations,
'original_translation_urls' : original_translation_urls,
'default_translations' : default_translations,
'default_translation_url' : default_translation_url,
'default_metadata' : default_metadata,
}
translation_hash, serialized = _calculate_translations_hash(original_translations, default_translations)
metadata['translation_hash'] = translation_hash
metadata['check_urls_hash'] = unicode(zlib.crc32(json.dumps(sorted(check_urls))))
return metadata
def extract_metadata_information(app_url,
preview_link,
cached_requests=None,
force_reload=False,
app_format=None):
if cached_requests is None:
cached_requests = get_cached_session()
if not app_format or app_format == 'opensocial':
app_information = _extract_information_opensocial(
app_url, cached_requests)
elif app_format == 'html':
app_information = _extract_information_html(app_url, cached_requests)
else:
raise TranslatorError('Invalid app format: {}'.format(app_format))
original_translations = {}
original_translation_urls = {}
default_translations = {}
default_translation_url = None
default_metadata = {}
if len(app_information.locales) == 0:
translatable = False
else:
translatable = True
default_locale = None
for locale in app_information.locales:
lang = locale['lang']
country = locale['country']
messages_url = locale['messages']
if lang and messages_url and lang.lower() != 'all':
if country:
lang = u'{}_{}'.format(lang, country)
elif len(lang) == 2:
lang = u'%s_ALL' % lang
if lang.lower() == 'zh_all':
lang = 'zh_CN'
if '_' in lang and lang.split('_')[0].lower() == lang.split(
'_')[1].lower():
# es_ES is es_ALL, fr_FR is fr_ALL
lang = '{}_ALL'.format(lang.split('_'))
try:
absolute_url, messages, metadata, locale_contents = _retrieve_messages_from_relative_url(
app_url, messages_url, cached_requests)
except TranslatorError as e:
logging.warning(
u"Could not load %s translation for app URL: %s Reason: %s"
% (lang, app_url, e),
exc_info=True)
continue
else:
new_messages = {}
if messages:
for key, value in messages.iteritems():
new_messages[key] = value['text']
original_translations[lang] = new_messages
original_translation_urls[lang] = absolute_url
if (lang is None or lang.lower() == 'all') and messages_url:
# Process this later. This way we can force we get the results for the default translation
default_locale = locale
if default_locale is not None:
messages_url = default_locale['messages']
absolute_url, messages, metadata, locale_contents = _retrieve_messages_from_relative_url(
app_url, messages_url, cached_requests)
default_translations = messages
default_translation_url = absolute_url
default_metadata = metadata
# No English? Default is always English!
if 'en_ALL' not in original_translations:
lang = 'en_ALL'
new_messages = {}
if messages:
for key, value in messages.iteritems():
new_messages[key] = value['text']
original_translations[lang] = new_messages
original_translation_urls[lang] = absolute_url
check_urls = app_information.check_urls
if preview_link:
check_urls.append(preview_link)
metadata = {
'translatable': translatable,
'check_urls': check_urls,
'uses_proxy': app_information.uses_proxy,
'offline': app_information.offline,
'adaptable':
False, # Not supported anymore (all 0 in the database right now)
'original_translations': original_translations,
'original_translation_urls': original_translation_urls,
'default_translations': default_translations,
'default_translation_url': default_translation_url,
'default_metadata': default_metadata,
}
translation_hash, serialized = _calculate_translations_hash(
original_translations, default_translations)
metadata['translation_hash'] = translation_hash
metadata['check_urls_hash'] = unicode(
zlib.crc32(json.dumps(sorted(check_urls))))
return metadata
def extract_local_translations_url(app_url, force_local_cache=False):
redis_key = 'appcomposer:fast-cache:{}'.format(app_url)
if force_local_cache:
# Under some situations (e.g., updating a single message), it is better to have a cache
# than contacting the foreign server. Only if requested, this method will try to check
# in a local cache in Redis.
cached = redis_store.get(redis_key)
if cached:
translation_url, original_messages, metadata = json.loads(cached)
if metadata is not None:
original_messages_loaded = json.loads(original_messages)
metadata_loaded = json.loads(metadata)
return translation_url, original_messages_loaded, metadata_loaded
cached_requests = get_cached_session()
repository_app = db.session.query(RepositoryApp).filter_by(
url=app_url).first()
if repository_app is not None:
guessing = False
app_format = repository_app.app_format
else:
guessing = True
app_url_path = urlparse.urlparse(app_url).path
if app_url_path.endswith('.xml'):
app_format = 'opensocial'
elif app_url_path.endswith('.html'):
app_format = 'html'
else:
r = cached_requests.get(app_url)
if 'xml' in (r.headers.get('Content-Type') or ''):
app_format = 'opensocial'
else:
app_format = 'html'
if app_format == 'opensocial' or not app_format: # Default to opensocial
try:
app_information = _extract_information_opensocial(
app_url, cached_requests)
except TranslatorError as err:
if not guessing:
raise
try:
app_information = _extract_information_html(
app_url, cached_requests)
except TranslatorError as err2:
raise TranslatorError(
"Error trying both opensocial and html: {} / {}".format(
err, err2))
else:
try:
app_information = _extract_information_html(
app_url, cached_requests)
except TranslatorError as err:
try:
app_information = _extract_information_opensocial(
app_url, cached_requests)
except TranslatorError as err2:
raise TranslatorError(
"Error trying both html and opensocial: {} / ".format(
err, err2))
locales_without_lang = [
locale for locale in app_information.locales
if not locale['lang'] or locale['lang'].lower() == 'all'
]
if not locales_without_lang:
raise TranslatorError(
"That application does not provide any default locale. The application has probably not been adopted to be translated."
)
relative_translation_url = locales_without_lang[0]['messages']
if not relative_translation_url:
raise TranslatorError("Default Locale not provided message attribute")
absolute_translation_url, messages, metadata, contents = _retrieve_messages_from_relative_url(
app_url, relative_translation_url, cached_requests)
redis_value = json.dumps(
[absolute_translation_url,
json.dumps(messages),
json.dumps(metadata)])
redis_store.setex(name=redis_key, time=10 * 60,
value=redis_value) # For 10 minutes
return absolute_translation_url, messages, metadata
def get_languages():
requests = get_cached_session()
languages = []
for line in requests.get("http://go-lab.gw.utwente.nl/production/commons/languages/list.txt").text.splitlines():
languages.append(line.split("_")[1])
return languages
def index():
requests = get_cached_session()
languages = get_languages()
response = make_response(render_template('graasp_i18n.xml', languages = languages, title = "Twente commons"))
response.content_type = 'application/xml'
return response
def extract_local_translations_url(app_url, force_local_cache = False):
redis_key = 'appcomposer:fast-cache:{}'.format(app_url)
if force_local_cache:
# Under some situations (e.g., updating a single message), it is better to have a cache
# than contacting the foreign server. Only if requested, this method will try to check
# in a local cache in Redis.
cached = redis_store.get(redis_key)
if cached:
translation_url, original_messages, metadata = json.loads(cached)
if metadata is not None:
original_messages_loaded = json.loads(original_messages)
metadata_loaded = json.loads(metadata)
return translation_url, original_messages_loaded, metadata_loaded
cached_requests = get_cached_session()
repository_app = db.session.query(RepositoryApp).filter_by(url=app_url).first()
if repository_app is not None:
guessing = False
app_format = repository_app.app_format
else:
guessing = True
app_url_path = urlparse.urlparse(app_url).path
if app_url_path.endswith('.xml'):
app_format = 'opensocial'
elif app_url_path.endswith('.html'):
app_format = 'html'
else:
r = cached_requests.get(app_url)
if 'xml' in (r.headers.get('Content-Type') or ''):
app_format = 'opensocial'
else:
app_format = 'html'
if app_format == 'opensocial' or not app_format: # Default to opensocial
try:
app_information = _extract_information_opensocial(app_url, cached_requests)
except TranslatorError as err:
if not guessing:
raise
try:
app_information = _extract_information_html(app_url, cached_requests)
except TranslatorError as err2:
raise TranslatorError("Error trying both opensocial and html: {} / {}".format(err, err2))
else:
try:
app_information = _extract_information_html(app_url, cached_requests)
except TranslatorError as err:
try:
app_information = _extract_information_opensocial(app_url, cached_requests)
except TranslatorError as err2:
raise TranslatorError("Error trying both html and opensocial: {} / ".format(err, err2))
locales_without_lang = [ locale for locale in app_information.locales if not locale['lang'] or locale['lang'].lower() == 'all' ]
if not locales_without_lang:
raise TranslatorError("That application does not provide any default locale. The application has probably not been adopted to be translated.")
relative_translation_url = locales_without_lang[0]['messages']
if not relative_translation_url:
raise TranslatorError("Default Locale not provided message attribute")
absolute_translation_url, messages, metadata, contents = _retrieve_messages_from_relative_url(app_url, relative_translation_url, cached_requests)
redis_value = json.dumps([
absolute_translation_url,
json.dumps(messages),
json.dumps(metadata)
])
redis_store.setex(name=redis_key, time=10 * 60, value=redis_value) # For 10 minutes
return absolute_translation_url, messages, metadata
