correct looping through update actions, value stripping, hash key regex

This commit is contained in:
Peter Gorniak 2016-12-07 11:47:48 -08:00
parent 390bef7752
commit 3c128fdb51
2 changed files with 4 additions and 3 deletions

View File

@ -112,11 +112,11 @@ class Item(object):
def update(self, update_expression, expression_attribute_names, expression_attribute_values):
parts = [p for p in re.split(r'\b(SET|REMOVE|ADD|DELETE)\b', update_expression) if p]
for action, valstr in zip(parts[:-1:1], parts[1::1]):
for action, valstr in zip(parts[:-1:2], parts[1::2]):
values = valstr.split(',')
for value in values:
# A Real value
value = value.lstrip(":").rstrip(",")
value = value.lstrip(":").rstrip(",").strip()
for k, v in expression_attribute_names.items():
value = re.sub(r'{}\b'.format(k), v, value)

View File

@ -286,7 +286,8 @@ class DynamoHandler(BaseResponse):
index_hash_key = [key for key in index if key['KeyType'] == 'HASH'][0]
hash_key_var = reverse_attribute_lookup.get(index_hash_key['AttributeName'], index_hash_key['AttributeName'])
i, hash_key_expression = ((i, e) for i, e in enumerate(expressions) if re.search(r'[\s(]#n1\b'.format(hash_key_var), e)).next()
hash_key_regex = r'(^|[\s(]){}\b'.format(hash_key_var)
i, hash_key_expression = ((i, e) for i, e in enumerate(expressions) if re.search(hash_key_regex, e)).next()
hash_key_expression = hash_key_expression.strip('()')
expressions.pop(i)