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return the default instance. However, it's sometimes useful for
efficiency, and also useful inside the protobuf implementation to avoid
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file (FileDescriptor): Reference to file info.
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name (str): Name of this protocol message type.
full_name (str): Fully-qualified name of this protocol message type, which
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types.
containing_type: if provided, this is a nested descriptor, with this
descriptor as parent, otherwise None.
serialized_start: The start index (inclusive) in block in the
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name (str): Name of this protocol message type.
full_name (str): Fully-qualified name of this protocol message type,
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enclosing types.
containing_type (Descriptor): Reference to the descriptor of the type
containing us, or None if this is top-level.
fields (list[FieldDescriptor]): Field descriptors for all fields in
this type.
fields_by_number (dict(int, FieldDescriptor)): Same
:class:`FieldDescriptor` objects as in :attr:`fields`, but indexed
by "number" attribute in each FieldDescriptor.
fields_by_name (dict(str, FieldDescriptor)): Same
:class:`FieldDescriptor` objects as in :attr:`fields`, but indexed by
"name" attribute in each :class:`FieldDescriptor`.
nested_types (list[Descriptor]): Descriptor references
for all protocol message types nested within this one.
nested_types_by_name (dict(str, Descriptor)): Same Descriptor
objects as in :attr:`nested_types`, but indexed by "name" attribute
in each Descriptor.
enum_types (list[EnumDescriptor]): :class:`EnumDescriptor` references
for all enums contained within this type.
enum_types_by_name (dict(str, EnumDescriptor)): Same
:class:`EnumDescriptor` objects as in :attr:`enum_types`, but
indexed by "name" attribute in each EnumDescriptor.
enum_values_by_name (dict(str, EnumValueDescriptor)): Dict mapping
from enum value name to :class:`EnumValueDescriptor` for that value.
extensions (list[FieldDescriptor]): All extensions defined directly
within this message type (NOT within a nested type).
extensions_by_name (dict(str, FieldDescriptor)): Same FieldDescriptor
objects as :attr:`extensions`, but indexed by "name" attribute of each
FieldDescriptor.
is_extendable (bool): Does this type define any extension ranges?
oneofs (list[OneofDescriptor]): The list of descriptors for oneof fields
in this message.
oneofs_by_name (dict(str, OneofDescriptor)): Same objects as in
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file (FileDescriptor): Reference to file descriptor.
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index (int): Dense, 0-indexed index giving the order that this
field textually appears within its message in the .proto file.
number (int): Tag number declared for this field in the .proto file.
type (int): (One of the TYPE_* constants below) Declared type.
cpp_type (int): (One of the CPPTYPE_* constants below) C++ type used to
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label (int): (One of the LABEL_* constants below) Tells whether this
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has_default_value (bool): True if this field has a default value defined,
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default_value (Varies): Default value of this field. Only
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containing_type (Descriptor): Descriptor of the protocol message
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message_type (Descriptor): If a composite field, a descriptor
of the message type contained in this field. Otherwise, this is None.
enum_type (EnumDescriptor): If this field contains an enum, a
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is_extension: True iff this describes an extension field.
extension_scope (Descriptor): Only meaningful if is_extension is True.
Gives the message that immediately contains this extension field.
Will be None iff we're a top-level (file-level) extension field.
options (descriptor_pb2.FieldOptions): Protocol message field options or
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containing_oneof (OneofDescriptor): If the field is a member of a oneof
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in this enum.
values_by_name (dict(str, EnumValueDescriptor)): Same as :attr:`values`,
but indexed by the "name" field of each EnumValueDescriptor.
values_by_number (dict(int, EnumValueDescriptor)): Same as :attr:`values`,
but indexed by the "number" field of each EnumValueDescriptor.
containing_type (Descriptor): Descriptor of the immediate containing
type of this enum, or None if this is an enum defined at the
top level in a .proto file. Set by Descriptor's constructor
if we're passed into one.
file (FileDescriptor): Reference to file descriptor.
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writing, we know that:
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dd� �Z � Z S ) �EnumValueDescriptoraL Descriptor for a single value within an enum.
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name (str): Name of this value.
index (int): Dense, 0-indexed index giving the order that this
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number (int): Actual number assigned to this enum value.
type (EnumDescriptor): :class:`EnumDescriptor` to which this value
belongs. Set by :class:`EnumDescriptor`'s constructor if we're
passed into one.
options (descriptor_pb2.EnumValueOptions): Enum value options message or
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dd� �Z � Z S ) �OneofDescriptora' Descriptor for a oneof field.
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name (str): Name of the oneof field.
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index (int): 0-based index giving the order of the oneof field inside
its containing type.
containing_type (Descriptor): :class:`Descriptor` of the protocol message
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index (int): 0-indexed index giving the order that this services
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methods (list[MethodDescriptor]): List of methods provided by this
service.
methods_by_name (dict(str, MethodDescriptor)): Same
:class:`MethodDescriptor` objects as in :attr:`methods_by_name`, but
indexed by "name" attribute in each :class:`MethodDescriptor`.
options (descriptor_pb2.ServiceOptions): Service options message or
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file (FileDescriptor): Reference to file info.
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method.
input_type (Descriptor): The descriptor of the message that this method
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output_type (Descriptor): The descriptor of the message that this method
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Attributes:
name (str): Name of file, relative to root of source tree.
package (str): Name of the package
edition (Edition): Enum value indicating edition of the file
serialized_pb (bytes): Byte string of serialized
:class:`descriptor_pb2.FileDescriptorProto`.
dependencies (list[FileDescriptor]): List of other :class:`FileDescriptor`
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public_dependencies (list[FileDescriptor]): A subset of
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message_types_by_name (dict(str, Descriptor)): Mapping from message names to
their :class:`Descriptor`.
enum_types_by_name (dict(str, EnumDescriptor)): Mapping from enum names to
their :class:`EnumDescriptor`.
extensions_by_name (dict(str, FieldDescriptor)): Mapping from extension
names declared at file scope to their :class:`FieldDescriptor`.
services_by_name (dict(str, ServiceDescriptor)): Mapping from services'
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pool (DescriptorPool): The pool this descriptor belongs to. When not passed
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build_file_if_cpp: Update the C++ descriptor pool if api matches. Set to
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syntax: The syntax/semantics that should be used. Set to "proto3" to get
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