def fetch_json2xx(url, content='', method='GET', credentials=None, headers=None, multipart=False, ua='',
timeout=50, caching=None):
"""Like `fetch2xx()` but JSON-decodes the returned content and returns only that."""
status, rheaders, rcontent = fetch2xx(url, content, method, credentials, headers, multipart, ua, timeout,
caching)
if not rheaders.get('content-type', '').startswith('application/json'):
raise TypeError(u"Ungueltiger Content-Type %r: %r" % (rheaders.get('content-type', ''), rcontent))
return hujson2.loads(rcontent)
def fetch_json2xx(url, content='', method='GET', credentials=None, headers=None, multipart=False, ua='',
timeout=50, caching=None):
"""Like `fetch2xx()` but JSON-decodes the returned content and returns only that."""
status, rheaders, rcontent = fetch2xx(url, content, method, credentials, headers, multipart, ua, timeout,
caching)
if not rheaders.get('content-type', '').startswith('application/json'):
raise TypeError(u"Ungueltiger Content-Type %r: %r %r" % (rheaders.get('content-type', ''), rcontent, url))
return hujson2.loads(rcontent)
def parse_json(content):
"""Parse JSON response
>>> parse_json('{"messages": [{"url": "http://example.com/q/45054/"}]}')
[u'http://example.com/q/45054/']
"""
result = json.loads(content)
return [msg.get('url') for msg in result.get('messages', [])]
def parse_json(content):
"""Parse JSON response
>>> parse_json('{"messages": [{"url": "http://example.com/q/45054/"}]}')
[u'http://example.com/q/45054/']
"""
result = json.loads(content)
return [msg.get('url') for msg in result.get('messages', [])]
def decodingreturnhandler(status, rheaders, rcontent):
"""Closure to do the json decoding and then call the provided returnhandler"""
if (status < 200) or (status >= 300):
raise exceptions.WrongStatusCode(u"%s: Fehler: %r" % (status, rcontent))
# Warnig! httplib2 ist case sensitive for header field names.
if not rheaders.get('Content-Type', '').startswith('application/json'):
logging.debug("no valid content type: %r", rheaders)
# There seems to be an interesting issue with the AppEngine Frontend Cache Servers:
# When serving from the cache to an AppEngine client (date being rquested from an other
# AppEngine Application) the content type header seems to get dropped completely.
# So wo only check for a missmatched header but ignore empty ones.
# So far this has been only observed with async requests.
if rheaders.get('Content-Type', None) is not None:
raise TypeError(u"%s: Ungueltiger Content-Type %r: %r" % (url,
rheaders.get('Content-Type', ''), rcontent))
return returnhandler(hujson2.loads(rcontent))
def decodingreturnhandler(status, rheaders, rcontent):
"""Closure to do the json decoding and then call the provided returnhandler"""
if (status < 200) or (status >= 300):
raise exceptions.WrongStatusCode(u"%s: Fehler: %r" % (status, rcontent))
# Warnig! httplib2 ist case sensitive for header field names.
if not rheaders.get('Content-Type', '').startswith('application/json'):
logging.debug("no valid content type: %r", rheaders)
# There seems to be an interesting issue with the AppEngine Frontend Cache Servers:
# When serving from the cache to an AppEngine client (date being rquested from an other
# AppEngine Application) the content type header seems to get dropped completely.
# So wo only check for a missmatched header but ignore empty ones.
# So far this has been only observed with async requests.
if rheaders.get('Content-Type', None) is not None:
raise TypeError(u"%s: Ungueltiger Content-Type %r: %r" % (url,
rheaders.get('Content-Type', ''), rcontent))
return returnhandler(hujson2.loads(rcontent))
def _get_json(self, url):
"""helper: requests the url as json"""
response = self.app.get(url)
return loads(response.body)
