diff options
Diffstat (limited to 'src/semanticxo/metadatastore.py')
| -rw-r--r-- | src/semanticxo/metadatastore.py | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/semanticxo/metadatastore.py b/src/semanticxo/metadatastore.py index f6f9081..66e5893 100644 --- a/src/semanticxo/metadatastore.py +++ b/src/semanticxo/metadatastore.py @@ -3,6 +3,7 @@ Created on Apr 11, 2011 @author: cgueret ''' +import logging import httplib import urllib import time @@ -11,6 +12,8 @@ from rdflib import ConjunctiveGraph, RDF, URIRef, Namespace, Literal OLPC = Namespace("http://example.org/") OLPC_TERMS = Namespace("http://example.org/terms#") +_QUERY_INT_KEY = ['timestamp', 'filesize', 'creation_time'] + class MetadataStore(object): ''' Store metadata into the triple store using HTTP calls. @@ -59,16 +62,22 @@ class MetadataStore(object): def retrieve(self, uid, properties=None): - print '[MDS] retrieve ' + uid + logging.debug('[MDS] retrieve %r' % uid) props = {} query = 'SELECT * WHERE { <%s> ?p ?o}' % self._get_resource(uid) for line in self._sparql_get(query): - print line - + (id, prop, value) = line.split(',') + if prop[4:-1].startswith(OLPC_TERMS): + key=prop[4:-1].split(OLPC_TERMS)[1] + if key in _QUERY_INT_KEY: + props[key] = int(value[1:-1]) + else: + props[key] = value[1:-1] + # HACK: This is expected to be always present if 'creation_time' not in props: props['creation_time'] = int(time.time()) - + return props def delete(self, uid): |