def test_json_handling(self):
resource = oembed.site.embed(self.category_url)
json = resource.json
another_resource = OEmbedResource.create_json(json)
self.assertEqual(resource.get_data(), another_resource.get_data())
def embed(self, url, **kwargs):
"""
The heart of the matter
"""
try:
# first figure out the provider
provider = self.provider_for_url(url)
except OEmbedMissingEndpoint:
raise
else:
try:
# check the database for a cached response, because of certain
# race conditions that exist with get_or_create(), do a filter
# lookup and just grab the first item
stored_match = StoredOEmbed.objects.filter(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None),
date_expires__gte=datetime.datetime.now())[0]
return OEmbedResource.create_json(stored_match.response_json)
except IndexError:
# query the endpoint and cache response in db
# prevent None from being passed in as a GET param
params = dict([(k, v) for k, v in kwargs.items() if v])
# request an oembed resource for the url
resource = provider.request_resource(url, **params)
try:
cache_age = int(resource.cache_age)
if cache_age < MIN_OEMBED_TTL:
cache_age = MIN_OEMBED_TTL
except:
cache_age = DEFAULT_OEMBED_TTL
date_expires = datetime.datetime.now() + datetime.timedelta(seconds=cache_age)
stored_oembed, created = StoredOEmbed.objects.get_or_create(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None))
stored_oembed.response_json = resource.json
stored_oembed.resource_type = resource.type
stored_oembed.thumbnail_url = resource.thumbnail_url
stored_oembed.date_expires = date_expires
if resource.content_object:
stored_oembed.content_object = resource.content_object
stored_oembed.save()
return resource
def embed(self, url, **kwargs):
"""
The heart of the matter
"""
try:
# first figure out the provider
provider = self.provider_for_url(url)
except OEmbedMissingEndpoint:
raise
else:
try:
# check the database for a cached response, because of certain
# race conditions that exist with get_or_create(), do a filter
# lookup and just grab the first item
stored_match = StoredOEmbed.objects.filter(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None),
date_expires__gte=datetime.datetime.now())[0]
return OEmbedResource.create_json(stored_match.response_json)
except IndexError:
# query the endpoint and cache response in db
# prevent None from being passed in as a GET param
params = dict([(k, v) for k, v in kwargs.items() if v])
# request an oembed resource for the url
resource = provider.request_resource(url, **params)
try:
cache_age = int(resource.cache_age)
if cache_age < MIN_OEMBED_TTL:
cache_age = MIN_OEMBED_TTL
except:
cache_age = DEFAULT_OEMBED_TTL
date_expires = datetime.datetime.now() + datetime.timedelta(
seconds=cache_age)
stored_oembed, created = StoredOEmbed.objects.get_or_create(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None))
stored_oembed.response_json = resource.json
stored_oembed.resource_type = resource.type
stored_oembed.date_expires = date_expires
if resource.content_object:
stored_oembed.content_object = resource.content_object
stored_oembed.save()
return resource
