import json
+from manifold.manifoldresult import ManifoldResult
from manifold.manifoldapi import ManifoldAPI
+debug=False
+debug=True
+
# turn this on if you want to work offline
work_offline=False
#work_offline=True
def __init__ (self, auth):
self.auth=auth
- self.hash_by_subject={}
+ 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.resource_type', 'column.value_type',
'column.allowed_values', 'column.platforms.platform',
'column.platforms.platform_url']
- results = manifold_api.Get('metadata:table', [], [], fields)
- self.hash_by_subject = dict ( [ (result['table'], result) for result in results ] )
+ rows_result = manifold_api.Get({
+ 'object': 'local:object', # proposed to replace metadata:table
+ 'fields': fields
+ })
+ rows = rows_result.ok_value()
+# 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
- with file(offline_filename,'w') as f:
- f.write(json.dumps(self.hash_by_subject))
+ if debug and rows:
+ with file(offline_filename,'w') as f:
+ f.write(json.dumps(self.hash_by_object))
def to_json(self):
- return json.dumps(self.hash_by_subject)
-
- def details_by_subject (self, subject):
- return self.hash_by_subject[subject]
+ return json.dumps(self.hash_by_object)
- def sorted_fields_by_subject (self, subject):
- return self.hash_by_subject[subject]['columns'].sort()
+ def details_by_object (self, object):
+ return self.hash_by_object[object]
+ def sorted_fields_by_object (self, object):
+ return self.hash_by_object[object]['column'].sort()