def __init__ (self, auth):
self.auth=auth
- self.hash_by_subject={}
-
- # XXX Retrieve all metadata the first time we instanciate the class
- self.fetch()
+ self.hash_by_object={}
def fetch (self):
offline_filename="offline-metadata.json"
if work_offline:
try:
with file(offline_metadata) as f:
- self.hash_by_subject=json.loads(f.read())
+ self.hash_by_object=json.loads(f.read())
return
except:
print "metadata.work_offline: failed to decode %s"%offline_filename
'column.allowed_values', 'column.platforms.platform',
'column.platforms.platform_url']
rows_result = manifold_api.Get({
- 'fact_table': 'local:objects', # proposed to replace metadata:table
+ 'object': 'local:object', # proposed to replace metadata:table
'fields': fields
})
-#old# rows_result = manifold_api.Get('metadata:table', [], [], fields)
rows = rows_result.ok_value()
- if not rows:
- print "Failed to retrieve metadata",rows_result.error()
- rows=[]
- self.hash_by_subject = dict ( [ (row['table'], row) for row in rows ] )
+# API errors will be handled by the outer logic
+# if not rows:
+# print "Failed to retrieve metadata",rows_result.error()
+# rows=[]
+ self.hash_by_object = dict ( [ (row['table'], row) for row in rows ] )
# save for next time we use offline mode
- if debug:
+ if debug and rows:
with file(offline_filename,'w') as f:
- f.write(json.dumps(self.hash_by_subject))
+ f.write(json.dumps(self.hash_by_object))
def to_json(self):
- return json.dumps(self.hash_by_subject)
+ return json.dumps(self.hash_by_object)
- def details_by_subject (self, subject):
- return self.hash_by_subject[subject]
+ def details_by_object (self, object):
+ return self.hash_by_object[object]
- def sorted_fields_by_subject (self, subject):
- return self.hash_by_subject[subject]['columns'].sort()
+ def sorted_fields_by_object (self, object):
+ return self.hash_by_object[object]['column'].sort()