raise sys.exc_info()[0](err_str + str(e))
if not new_entry:
old_metadata = NetInfMetaData()
old_metadata.set_json_val(js)
if not old_metadata.merge_latest_details(metadata):
err_str = "put_cache: Mismatched information in metadata update: %s" % \
ni_url
self.logerror(err_str)
if content_added:
os.remove(cfn)
raise ValueError(err_str)
err_str = "put_cache: problem storing metadata record %s: " % mfk
try:
new_metadata_str = json.dumps(old_metadata.json_val())
except Exception, e:
self.logerror(err_str + str(e))
if content_added:
os.remove(cfn)
raise sys.exc_info()[0](err_str + str(e))
cfs = "yes" if content_exists else "no"
# Write back into Redis
val_dict = {}
val_dict["metadata"] = new_metadata_str
val_dict["content_file_exists"] = cfs
# Start a transaction
redis_pipe.multi()
# Push the data update
old_metadata.set_json_val(js)
if not old_metadata.merge_latest_details(metadata):
err_str = "put_cache: Mismatched information in metadata update: %s" % \
ni_url
self.logerror(err_str)
if content_added:
os.remove(cfn)
raise ValueError(err_str)
err_str = "put_cache: problem writing metadata file %s: " % mfn
try:
# Empty existing file (might be empty already but don't care)
f.seek(0, os.SEEK_SET)
f.truncate(0)
json.dump(old_metadata.json_val(), f)
fcntl.flock(mfd, fcntl.LOCK_UN)
f.close()
except Exception, e:
self.logerror(err_str + str(e))
if content_added:
os.remove(cfn)
raise sys.exc_info()[0](err_str + str(e))
# End of with self.cache_write_lock
return (old_metadata, cfn if content_exists else None,
new_entry, ignore_duplicate)
#--------------------------------------------------------------------------#
def cache_get(self, ni_name):
"""
