def tuplize_dict(data_dict):
'''Takes a dict with keys of the form 'table__0__key' and converts them
to a tuple like ('table', 0, 'key').
Dict should be put through parse_dict before this function, to have
values standardized.
May raise a DataError if the format of the key is incorrect.
'''
tuplized_dict = {}
for key, value in data_dict.iteritems():
key_list = key.split('__')
for num, key in enumerate(key_list):
if num % 2 == 1:
try:
key_list[num] = int(key)
except ValueError:
raise df.DataError('Bad key')
tuplized_dict[tuple(key_list)] = value
return tuplized_dict
def check_data_dict(self, data_dict, schema=None):
'''Check if the return data is correct, mostly for checking out
if spammers are submitting only part of the form'''
# Resources might not exist yet (eg. Add Dataset)
surplus_keys_schema = [
'__extras', '__junk', 'state', 'groups', 'extras_validation',
'save', 'return_to', 'resources', 'type', 'owner_org',
'log_message', 'tag_string', 'tags', 'url', 'version', 'extras'
]
if not schema:
schema = self.form_to_db_schema()
schema_keys = schema.keys()
keys_in_schema = set(schema_keys) - set(surplus_keys_schema)
missing_keys = keys_in_schema - set(data_dict.keys())
if missing_keys:
log.info('incorrect form fields posted, missing %s' % missing_keys)
raise dictization_functions.DataError(data_dict)
