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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*.
s# robinson@google.com (Will Robinson)i����( t api_implementation( t messaget cpp( t cpp_message( t python_messagec C s& t | � } | � } | j | � | S( s� 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.
( t MakeClasst ParseFromString( t
descriptort byte_strt result_classt new_msg( ( s> /usr/lib/python2.7/site-packages/google/protobuf/reflection.pyt ParseMessageC s
c C s� | t k r t | Si } x- | j j � D] \ } } t | � | | <q* W| | t j <t t | j � t j f | � } | t | <| S( s� 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.
(
t MESSAGE_CLASS_CACHEt nested_types_by_namet itemsR t GeneratedProtocolMessageTypet _DESCRIPTOR_KEYt strt nameR t Message( R t
attributesR t nested_typet result( ( s> /usr/lib/python2.7/site-packages/google/protobuf/reflection.pyR S s
N( t __doc__t
__author__t google.protobuf.internalR t google.protobufR t Typet google.protobuf.pyextR t message_implR R R R R ( ( ( s> /usr/lib/python2.7/site-packages/google/protobuf/reflection.pyt <module>. s | Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| compiler | Folder | 0755 |
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| internal | Folder | 0755 |
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| pyext | Folder | 0755 |
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| util | Folder | 0755 |
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| __init__.py | File | 1.85 KB | 0644 |
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| __init__.pyc | File | 409 B | 0644 |
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| __init__.pyo | File | 409 B | 0644 |
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| any_pb2.py | File | 2.62 KB | 0644 |
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| any_pb2.pyc | File | 2.76 KB | 0644 |
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| any_pb2.pyo | File | 2.76 KB | 0644 |
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| any_test_pb2.py | File | 3.13 KB | 0644 |
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| any_test_pb2.pyc | File | 2.92 KB | 0644 |
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| any_test_pb2.pyo | File | 2.92 KB | 0644 |
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| api_pb2.py | File | 10.64 KB | 0644 |
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| api_pb2.pyc | File | 6.63 KB | 0644 |
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| api_pb2.pyo | File | 6.63 KB | 0644 |
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| descriptor.py | File | 38.68 KB | 0644 |
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| descriptor.pyc | File | 36.17 KB | 0644 |
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| descriptor.pyo | File | 36.17 KB | 0644 |
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| descriptor_database.py | File | 5.79 KB | 0644 |
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| descriptor_database.pyc | File | 4.87 KB | 0644 |
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| descriptor_database.pyo | File | 4.87 KB | 0644 |
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| descriptor_pb2.py | File | 87.13 KB | 0644 |
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| descriptor_pb2.pyc | File | 42.32 KB | 0644 |
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| descriptor_pb2.pyo | File | 42.32 KB | 0644 |
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| descriptor_pool.py | File | 35.23 KB | 0644 |
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| descriptor_pool.pyc | File | 29.59 KB | 0644 |
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| descriptor_pool.pyo | File | 29.56 KB | 0644 |
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| duration_pb2.py | File | 2.71 KB | 0644 |
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| duration_pb2.pyc | File | 2.79 KB | 0644 |
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| duration_pb2.pyo | File | 2.79 KB | 0644 |
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| empty_pb2.py | File | 1.91 KB | 0644 |
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| empty_pb2.pyc | File | 2.2 KB | 0644 |
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| empty_pb2.pyo | File | 2.2 KB | 0644 |
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| field_mask_pb2.py | File | 2.37 KB | 0644 |
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| field_mask_pb2.pyc | File | 2.65 KB | 0644 |
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| field_mask_pb2.pyo | File | 2.65 KB | 0644 |
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| json_format.py | File | 28.52 KB | 0644 |
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| json_format.pyc | File | 24.21 KB | 0644 |
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| json_format.pyo | File | 24.21 KB | 0644 |
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| map_proto2_unittest_pb2.py | File | 54.59 KB | 0644 |
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| map_proto2_unittest_pb2.pyc | File | 25.53 KB | 0644 |
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| map_proto2_unittest_pb2.pyo | File | 25.53 KB | 0644 |
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| map_unittest_pb2.py | File | 124.44 KB | 0644 |
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| map_unittest_pb2.pyc | File | 54.63 KB | 0644 |
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| map_unittest_pb2.pyo | File | 54.63 KB | 0644 |
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| message.py | File | 11.19 KB | 0644 |
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| message.pyc | File | 12.11 KB | 0644 |
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| message.pyo | File | 12.11 KB | 0644 |
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| message_factory.py | File | 6.13 KB | 0644 |
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| message_factory.pyc | File | 4.58 KB | 0644 |
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| message_factory.pyo | File | 4.58 KB | 0644 |
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| proto_builder.py | File | 5.08 KB | 0644 |
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| proto_builder.pyc | File | 3.29 KB | 0644 |
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| proto_builder.pyo | File | 3.29 KB | 0644 |
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| reflection.py | File | 4.46 KB | 0644 |
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| reflection.pyc | File | 2.98 KB | 0644 |
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| reflection.pyo | File | 2.98 KB | 0644 |
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| service.py | File | 8.93 KB | 0644 |
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| service.pyc | File | 9.4 KB | 0644 |
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| service.pyo | File | 9.4 KB | 0644 |
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| service_reflection.py | File | 10.76 KB | 0644 |
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| service_reflection.pyc | File | 11.05 KB | 0644 |
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| service_reflection.pyo | File | 11.05 KB | 0644 |
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| source_context_pb2.py | File | 2.48 KB | 0644 |
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| source_context_pb2.pyc | File | 2.77 KB | 0644 |
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| source_context_pb2.pyo | File | 2.77 KB | 0644 |
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| struct_pb2.py | File | 10.64 KB | 0644 |
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| struct_pb2.pyc | File | 6.69 KB | 0644 |
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| struct_pb2.pyo | File | 6.69 KB | 0644 |
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| symbol_database.py | File | 6.27 KB | 0644 |
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| symbol_database.pyc | File | 5.98 KB | 0644 |
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| symbol_database.pyo | File | 5.98 KB | 0644 |
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| test_messages_proto2_pb2.py | File | 105.2 KB | 0644 |
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| test_messages_proto2_pb2.pyc | File | 51.3 KB | 0644 |
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| test_messages_proto2_pb2.pyo | File | 51.3 KB | 0644 |
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| test_messages_proto3_pb2.py | File | 115.05 KB | 0644 |
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| test_messages_proto3_pb2.pyc | File | 57.01 KB | 0644 |
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| test_messages_proto3_pb2.pyo | File | 57.01 KB | 0644 |
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| text_encoding.py | File | 4.51 KB | 0644 |
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| text_encoding.pyc | File | 3.26 KB | 0644 |
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| text_encoding.pyo | File | 3.26 KB | 0644 |
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| text_format.py | File | 49.69 KB | 0644 |
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| text_format.pyc | File | 46.59 KB | 0644 |
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| text_format.pyo | File | 46.56 KB | 0644 |
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| timestamp_pb2.py | File | 2.73 KB | 0644 |
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| timestamp_pb2.pyc | File | 2.81 KB | 0644 |
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| timestamp_pb2.pyo | File | 2.81 KB | 0644 |
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| type_pb2.py | File | 21.35 KB | 0644 |
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| type_pb2.pyc | File | 11.96 KB | 0644 |
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| type_pb2.pyo | File | 11.96 KB | 0644 |
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| unittest_arena_pb2.py | File | 4.4 KB | 0644 |
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| unittest_arena_pb2.pyc | File | 3.64 KB | 0644 |
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| unittest_arena_pb2.pyo | File | 3.64 KB | 0644 |
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| unittest_custom_options_pb2.py | File | 88.18 KB | 0644 |
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| unittest_custom_options_pb2.pyc | File | 40.64 KB | 0644 |
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| unittest_custom_options_pb2.pyo | File | 40.64 KB | 0644 |
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| unittest_import_pb2.py | File | 4.49 KB | 0644 |
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| unittest_import_pb2.pyc | File | 3.99 KB | 0644 |
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| unittest_import_pb2.pyo | File | 3.99 KB | 0644 |
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| unittest_import_public_pb2.py | File | 2.29 KB | 0644 |
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| unittest_import_public_pb2.pyc | File | 2.56 KB | 0644 |
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| unittest_import_public_pb2.pyo | File | 2.56 KB | 0644 |
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| unittest_mset_pb2.py | File | 9.73 KB | 0644 |
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| unittest_mset_pb2.pyc | File | 5.98 KB | 0644 |
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| unittest_mset_pb2.pyo | File | 5.98 KB | 0644 |
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| unittest_mset_wire_format_pb2.py | File | 3.76 KB | 0644 |
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| unittest_mset_wire_format_pb2.pyc | File | 3.27 KB | 0644 |
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| unittest_mset_wire_format_pb2.pyo | File | 3.27 KB | 0644 |
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| unittest_no_arena_import_pb2.py | File | 2.18 KB | 0644 |
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| unittest_no_arena_import_pb2.pyc | File | 2.43 KB | 0644 |
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| unittest_no_arena_import_pb2.pyo | File | 2.43 KB | 0644 |
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| unittest_no_arena_pb2.py | File | 51.17 KB | 0644 |
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| unittest_no_arena_pb2.pyc | File | 27.36 KB | 0644 |
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| unittest_no_arena_pb2.pyo | File | 27.36 KB | 0644 |
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| unittest_no_generic_services_pb2.py | File | 4.15 KB | 0644 |
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| unittest_no_generic_services_pb2.pyc | File | 4.02 KB | 0644 |
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| unittest_no_generic_services_pb2.pyo | File | 4.02 KB | 0644 |
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| unittest_pb2.py | File | 335.22 KB | 0644 |
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| unittest_pb2.pyc | File | 159.03 KB | 0644 |
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| unittest_pb2.pyo | File | 159.03 KB | 0644 |
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| unittest_proto3_arena_pb2.py | File | 59.16 KB | 0644 |
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| unittest_proto3_arena_pb2.pyc | File | 29.43 KB | 0644 |
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| unittest_proto3_arena_pb2.pyo | File | 29.43 KB | 0644 |
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| wrappers_pb2.py | File | 11.26 KB | 0644 |
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| wrappers_pb2.pyc | File | 6.49 KB | 0644 |
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| wrappers_pb2.pyo | File | 6.49 KB | 0644 |
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