143 lines
3.3 KiB
Python
143 lines
3.3 KiB
Python
import datetime
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import six
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import typing
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from cic_eth.server import type_util
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def _deserialize(data, klass):
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"""Deserializes dict, list, str into an object.
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:param data: dict, list or str.
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:param klass: class literal, or string of class name.
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:return: object.
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"""
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if data is None:
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return None
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if klass in six.integer_types or klass in (float, str, bool, bytearray):
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return _deserialize_primitive(data, klass)
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elif klass == object:
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return _deserialize_object(data)
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elif klass == datetime.date:
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return deserialize_date(data)
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elif klass == datetime.datetime:
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return deserialize_datetime(data)
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elif type_util.is_generic(klass):
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if type_util.is_list(klass):
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return _deserialize_list(data, klass.__args__[0])
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if type_util.is_dict(klass):
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return _deserialize_dict(data, klass.__args__[1])
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else:
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return deserialize_model(data, klass)
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def _deserialize_primitive(data, klass):
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"""Deserializes to primitive type.
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:param data: data to deserialize.
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:param klass: class literal.
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:return: int, long, float, str, bool.
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:rtype: int | long | float | str | bool
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"""
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try:
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value = klass(data)
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except UnicodeEncodeError:
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value = six.u(data)
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except TypeError:
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value = data
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return value
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def _deserialize_object(value):
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"""Return an original value.
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:return: object.
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"""
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return value
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def deserialize_date(string):
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"""Deserializes string to date.
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:param string: str.
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:type string: str
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:return: date.
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:rtype: date
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"""
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try:
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from dateutil.parser import parse
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return parse(string).date()
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except ImportError:
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return string
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def deserialize_datetime(string):
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"""Deserializes string to datetime.
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The string should be in iso8601 datetime format.
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:param string: str.
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:type string: str
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:return: datetime.
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:rtype: datetime
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"""
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try:
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from dateutil.parser import parse
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return parse(string)
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except ImportError:
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return string
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def deserialize_model(data, klass):
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"""Deserializes list or dict to model.
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:param data: dict, list.
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:type data: dict | list
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:param klass: class literal.
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:return: model object.
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"""
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instance = klass()
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if not instance.swagger_types:
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return data
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for attr, attr_type in six.iteritems(instance.swagger_types):
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if data is not None \
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and instance.attribute_map[attr] in data \
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and isinstance(data, (list, dict)):
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value = data[instance.attribute_map[attr]]
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setattr(instance, attr, _deserialize(value, attr_type))
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return instance
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def _deserialize_list(data, boxed_type):
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"""Deserializes a list and its elements.
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:param data: list to deserialize.
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:type data: list
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:param boxed_type: class literal.
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:return: deserialized list.
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:rtype: list
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"""
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return [_deserialize(sub_data, boxed_type)
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for sub_data in data]
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def _deserialize_dict(data, boxed_type):
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"""Deserializes a dict and its elements.
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:param data: dict to deserialize.
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:type data: dict
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:param boxed_type: class literal.
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:return: deserialized dict.
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:rtype: dict
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"""
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return {k: _deserialize(v, boxed_type)
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for k, v in six.iteritems(data)}
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