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✏️ Editing: reflection.cpython-36.opt-1.pyc

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��Contains a metaclass and helper functions used to create
protocol message classes from Descriptor objects at runtime.

Recall that a metaclass is the "type" of a class.
(A class is to a metaclass what an instance is to a class.)

In this case, we use the GeneratedProtocolMessageType metaclass
to inject all the useful functionality into the classes
output by the protocol compiler at compile-time.

The upshot of all this is that the real implementation
details for ALL pure-Python protocol buffers are *here in
this file*.
z#robinson@google.com (Will Robinson)�����)�api_implementation)�messageZcpp)�cpp_message)�python_messagec�������������C���s���t�|��}|��}|j|��|S�)z�Generate a new Message instance from this Descriptor and a byte string.

Args:
    descriptor: Protobuf Descriptor object
    byte_str: Serialized protocol buffer byte string

Returns:
    Newly created protobuf Message object.
  )�	MakeClassZParseFromString)�
descriptorZbyte_strZresult_classZnew_msg��r���� /usr/lib/python3.6/reflection.py�ParseMessageC���s����

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���c�������������C���sh���|�t�krt�|��S�i�}x&t|�jj���D�]\}}t|�||<�q$W�|�|tj<�tt|�j�t	j
f|�}|t�|�<�|S�)a���Construct a class object for a protobuf described by descriptor.

Composite descriptors are handled by defining the new class as a member of the
  parent class, recursing as deep as necessary.
  This is the dynamic equivalent to:

class Parent(message.Message):
    __metaclass__ = GeneratedProtocolMessageType
    DESCRIPTOR = descriptor
    class Child(message.Message):
      __metaclass__ = GeneratedProtocolMessageType
      DESCRIPTOR = descriptor.nested_types[0]

Sample usage:
    file_descriptor = descriptor_pb2.FileDescriptorProto()
    file_descriptor.ParseFromString(proto2_string)
    msg_descriptor = descriptor.MakeDescriptor(file_descriptor.message_type[0])
    msg_class = reflection.MakeClass(msg_descriptor)
    msg = msg_class()

Args:
    descriptor: A descriptor.Descriptor object describing the protobuf.
  Returns:
    The Message class object described by the descriptor.
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