3 from manifold.manifoldresult import ManifoldResult
4 from manifold.manifoldapi import ManifoldAPI
9 # turn this on if you want to work offline
15 def __init__ (self, auth):
17 self.hash_by_object={}
20 offline_filename="offline-metadata.json"
23 with file(offline_metadata) as f:
24 self.hash_by_object=json.loads(f.read())
27 print "metadata.work_offline: failed to decode %s"%offline_filename
28 manifold_api = ManifoldAPI(self.auth)
29 fields = ['table', 'column.column',
30 'column.description','column.header', 'column.title',
31 'column.unit', 'column.info_type',
32 'column.resource_type', 'column.value_type',
33 'column.allowed_values', 'column.platforms.platform',
34 'column.platforms.platform_url']
35 result = manifold_api.Get({
36 'object': 'local:object', # proposed to replace metadata:table
40 if result['code'] == 1: # warning
41 messages.warning(request, result['description'])
42 elif result['code'] == 2:
43 messages.error(request, result['description'])
46 rows = result.ok_value()
47 # API errors will be handled by the outer logic
49 # print "Failed to retrieve metadata",rows_result.error()
51 self.hash_by_object = dict ( [ (row['table'], row) for row in rows ] )
52 # save for next time we use offline mode
54 with file(offline_filename,'w') as f:
55 f.write(json.dumps(self.hash_by_object))
58 return json.dumps(self.hash_by_object)
60 def details_by_object (self, object):
61 return self.hash_by_object[object]
63 def sorted_fields_by_object (self, object):
64 return self.hash_by_object[object]['column'].sort()
66 def get_field_type(self, object, field):
67 print "Temp fix for metadata::get_field_type() -> consider moving to manifold.core.metadata soon"