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<feat>(comm): Add store_hex option #21

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<feat>(comm): Add store_hex option #21

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6 changes: 4 additions & 2 deletions inpynamodb/attributes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,23 +79,25 @@ def as_dict(self, attributes_to_get=None):

class UUIDAttribute(UnicodeAttribute):
def __init__(self, hash_key=False, range_key=False, null=None, defaultable=True,
default=None, uuid_version=1, attr_name=None):
default=None, uuid_version=1, attr_name=None, store_hex=False):
"""
:param hash_key: Indicates that this attribute is hash key of model.
:param range_key: Indicates that this attribute is range key of model.
:param null: Indicate this attribute is nullable.
:param default: Default value of this attribute.
If auto == True, this value will be ignored because UUID will be generated as default.
:param uuid_version: UUID version which this attribute will use. Only supports 1 and 4.
:param store_hex: If true, store uuid in hex form
"""
self.uuid_version = uuid_version
self.store_hex = store_hex

super(UUIDAttribute, self).__init__(hash_key=hash_key, range_key=range_key, defaultable=defaultable,
null=null, default=default, attr_name=attr_name)

def serialize(self, value):
if isinstance(value, uuid.UUID):
value_str = str(value)
value_str = value.hex if self.store_hex else str(value)
try:
uuid.UUID(value_str, version=self.uuid_version)
return super(UUIDAttribute, self).serialize(value_str)
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