def testIsTargetType(url, target):
options = {0: actor,
1: film
}
query = options[target](url)
uri = runQuery_returnBindings(query)
return uri
def getRdfFromUrl(url, requestType):
# ATTENTION. Si on modifie les requêtes associées aux indices, il faut supprimer (à la main) les fichiers en cache !!!
options = {0: subject, 1: item, 2: subjectAndItem}
cache_file = "{0}/{1}_{2}.txt".format(
CACHE_DIRECTORY, url.replace("http://", "").replace("/", "_").replace(":", "_"), requestType
)
# Try finding url dbpedia content in cache
if os.path.isfile(cache_file):
# print('cache found')
cache_content = False
with open(cache_file, "r", encoding="utf-8") as f:
try:
cache_content = ast.literal_eval(ast.literal_eval(f.read()).decode("utf-8"))
if len(cache_content) == 0: # Not loaded correctly
cache_content = False
else:
# print("Loaded {0} from cache".format(cache_file))
pass
except:
pass
# If the cache_content is still false, remove existing invalid cache file + send request
if not cache_content:
os.remove(cache_file)
# print("Error cache loading {0}".format(cache_file))
return getRdfFromUrl(url, requestType)
# Else, query dbpedia
else:
# print("Query dbpedia {0}".format(url))
query = options[requestType](url)
# print(query)
cache_content = runQuery_returnBindings(query)
# Save in cache
if not os.path.exists(CACHE_DIRECTORY):
os.makedirs(CACHE_DIRECTORY)
try:
with open(cache_file, "w") as f:
f.write(str(str(cache_content).encode("utf-8")))
except:
# print('Cache writing error {0}'.format(cache_file))
pass
return cache_content