Current File : //lib/python2.7/site-packages/google/protobuf/json_format.py
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Contains routines for printing protocol messages in JSON format.
Simple usage example:
# Create a proto object and serialize it to a json format string.
message = my_proto_pb2.MyMessage(foo='bar')
json_string = json_format.MessageToJson(message)
# Parse a json format string to proto object.
message = json_format.Parse(json_string, my_proto_pb2.MyMessage())
"""
__author__ = 'jieluo@google.com (Jie Luo)'
try:
from collections import OrderedDict
except ImportError:
from ordereddict import OrderedDict #PY26
import base64
import json
import math
import re
import six
import sys
from operator import methodcaller
from google.protobuf import descriptor
from google.protobuf import symbol_database
_TIMESTAMPFOMAT = '%Y-%m-%dT%H:%M:%S'
_INT_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_INT32,
descriptor.FieldDescriptor.CPPTYPE_UINT32,
descriptor.FieldDescriptor.CPPTYPE_INT64,
descriptor.FieldDescriptor.CPPTYPE_UINT64])
_INT64_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_INT64,
descriptor.FieldDescriptor.CPPTYPE_UINT64])
_FLOAT_TYPES = frozenset([descriptor.FieldDescriptor.CPPTYPE_FLOAT,
descriptor.FieldDescriptor.CPPTYPE_DOUBLE])
_INFINITY = 'Infinity'
_NEG_INFINITY = '-Infinity'
_NAN = 'NaN'
_UNPAIRED_SURROGATE_PATTERN = re.compile(six.u(
r'[\ud800-\udbff](?![\udc00-\udfff])|(?<![\ud800-\udbff])[\udc00-\udfff]'
))
_VALID_EXTENSION_NAME = re.compile(r'\[[a-zA-Z0-9\._]*\]$')
class Error(Exception):
"""Top-level module error for json_format."""
class SerializeToJsonError(Error):
"""Thrown if serialization to JSON fails."""
class ParseError(Error):
"""Thrown in case of parsing error."""
def MessageToJson(message,
including_default_value_fields=False,
preserving_proto_field_name=False,
indent=2,
sort_keys=False):
"""Converts protobuf message to JSON format.
Args:
message: The protocol buffers message instance to serialize.
including_default_value_fields: If True, singular primitive fields,
repeated fields, and map fields will always be serialized. If
False, only serialize non-empty fields. Singular message fields
and oneof fields are not affected by this option.
preserving_proto_field_name: If True, use the original proto field
names as defined in the .proto file. If False, convert the field
names to lowerCamelCase.
indent: The JSON object will be pretty-printed with this indent level.
An indent level of 0 or negative will only insert newlines.
sort_keys: If True, then the output will be sorted by field names.
Returns:
A string containing the JSON formatted protocol buffer message.
"""
printer = _Printer(including_default_value_fields,
preserving_proto_field_name)
return printer.ToJsonString(message, indent, sort_keys)
def MessageToDict(message,
including_default_value_fields=False,
preserving_proto_field_name=False):
"""Converts protobuf message to a dictionary.
When the dictionary is encoded to JSON, it conforms to proto3 JSON spec.
Args:
message: The protocol buffers message instance to serialize.
including_default_value_fields: If True, singular primitive fields,
repeated fields, and map fields will always be serialized. If
False, only serialize non-empty fields. Singular message fields
and oneof fields are not affected by this option.
preserving_proto_field_name: If True, use the original proto field
names as defined in the .proto file. If False, convert the field
names to lowerCamelCase.
Returns:
A dict representation of the protocol buffer message.
"""
printer = _Printer(including_default_value_fields,
preserving_proto_field_name)
# pylint: disable=protected-access
return printer._MessageToJsonObject(message)
def _IsMapEntry(field):
return (field.type == descriptor.FieldDescriptor.TYPE_MESSAGE and
field.message_type.has_options and
field.message_type.GetOptions().map_entry)
class _Printer(object):
"""JSON format printer for protocol message."""
def __init__(self,
including_default_value_fields=False,
preserving_proto_field_name=False):
self.including_default_value_fields = including_default_value_fields
self.preserving_proto_field_name = preserving_proto_field_name
def ToJsonString(self, message, indent, sort_keys):
js = self._MessageToJsonObject(message)
return json.dumps(js, indent=indent, sort_keys=sort_keys)
def _MessageToJsonObject(self, message):
"""Converts message to an object according to Proto3 JSON Specification."""
message_descriptor = message.DESCRIPTOR
full_name = message_descriptor.full_name
if _IsWrapperMessage(message_descriptor):
return self._WrapperMessageToJsonObject(message)
if full_name in _WKTJSONMETHODS:
return methodcaller(_WKTJSONMETHODS[full_name][0], message)(self)
js = {}
return self._RegularMessageToJsonObject(message, js)
def _RegularMessageToJsonObject(self, message, js):
"""Converts normal message according to Proto3 JSON Specification."""
fields = message.ListFields()
try:
for field, value in fields:
if self.preserving_proto_field_name:
name = field.name
else:
name = field.json_name
if _IsMapEntry(field):
# Convert a map field.
v_field = field.message_type.fields_by_name['value']
js_map = {}
for key in value:
if isinstance(key, bool):
if key:
recorded_key = 'true'
else:
recorded_key = 'false'
else:
recorded_key = key
js_map[recorded_key] = self._FieldToJsonObject(
v_field, value[key])
js[name] = js_map
elif field.label == descriptor.FieldDescriptor.LABEL_REPEATED:
# Convert a repeated field.
js[name] = [self._FieldToJsonObject(field, k)
for k in value]
elif field.is_extension:
f = field
if (f.containing_type.GetOptions().message_set_wire_format and
f.type == descriptor.FieldDescriptor.TYPE_MESSAGE and
f.label == descriptor.FieldDescriptor.LABEL_OPTIONAL):
f = f.message_type
name = '[%s.%s]' % (f.full_name, name)
js[name] = self._FieldToJsonObject(field, value)
else:
js[name] = self._FieldToJsonObject(field, value)
# Serialize default value if including_default_value_fields is True.
if self.including_default_value_fields:
message_descriptor = message.DESCRIPTOR
for field in message_descriptor.fields:
# Singular message fields and oneof fields will not be affected.
if ((field.label != descriptor.FieldDescriptor.LABEL_REPEATED and
field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE) or
field.containing_oneof):
continue
if self.preserving_proto_field_name:
name = field.name
else:
name = field.json_name
if name in js:
# Skip the field which has been serailized already.
continue
if _IsMapEntry(field):
js[name] = {}
elif field.label == descriptor.FieldDescriptor.LABEL_REPEATED:
js[name] = []
else:
js[name] = self._FieldToJsonObject(field, field.default_value)
except ValueError as e:
raise SerializeToJsonError(
'Failed to serialize {0} field: {1}.'.format(field.name, e))
return js
def _FieldToJsonObject(self, field, value):
"""Converts field value according to Proto3 JSON Specification."""
if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
return self._MessageToJsonObject(value)
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM:
enum_value = field.enum_type.values_by_number.get(value, None)
if enum_value is not None:
return enum_value.name
else:
if field.file.syntax == 'proto3':
return value
raise SerializeToJsonError('Enum field contains an integer value '
'which can not mapped to an enum value.')
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_STRING:
if field.type == descriptor.FieldDescriptor.TYPE_BYTES:
# Use base64 Data encoding for bytes
return base64.b64encode(value).decode('utf-8')
else:
return value
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_BOOL:
return bool(value)
elif field.cpp_type in _INT64_TYPES:
return str(value)
elif field.cpp_type in _FLOAT_TYPES:
if math.isinf(value):
if value < 0.0:
return _NEG_INFINITY
else:
return _INFINITY
if math.isnan(value):
return _NAN
return value
def _AnyMessageToJsonObject(self, message):
"""Converts Any message according to Proto3 JSON Specification."""
if not message.ListFields():
return {}
# Must print @type first, use OrderedDict instead of {}
js = OrderedDict()
type_url = message.type_url
js['@type'] = type_url
sub_message = _CreateMessageFromTypeUrl(type_url)
sub_message.ParseFromString(message.value)
message_descriptor = sub_message.DESCRIPTOR
full_name = message_descriptor.full_name
if _IsWrapperMessage(message_descriptor):
js['value'] = self._WrapperMessageToJsonObject(sub_message)
return js
if full_name in _WKTJSONMETHODS:
js['value'] = methodcaller(_WKTJSONMETHODS[full_name][0],
sub_message)(self)
return js
return self._RegularMessageToJsonObject(sub_message, js)
def _GenericMessageToJsonObject(self, message):
"""Converts message according to Proto3 JSON Specification."""
# Duration, Timestamp and FieldMask have ToJsonString method to do the
# convert. Users can also call the method directly.
return message.ToJsonString()
def _ValueMessageToJsonObject(self, message):
"""Converts Value message according to Proto3 JSON Specification."""
which = message.WhichOneof('kind')
# If the Value message is not set treat as null_value when serialize
# to JSON. The parse back result will be different from original message.
if which is None or which == 'null_value':
return None
if which == 'list_value':
return self._ListValueMessageToJsonObject(message.list_value)
if which == 'struct_value':
value = message.struct_value
else:
value = getattr(message, which)
oneof_descriptor = message.DESCRIPTOR.fields_by_name[which]
return self._FieldToJsonObject(oneof_descriptor, value)
def _ListValueMessageToJsonObject(self, message):
"""Converts ListValue message according to Proto3 JSON Specification."""
return [self._ValueMessageToJsonObject(value)
for value in message.values]
def _StructMessageToJsonObject(self, message):
"""Converts Struct message according to Proto3 JSON Specification."""
fields = message.fields
ret = {}
for key in fields:
ret[key] = self._ValueMessageToJsonObject(fields[key])
return ret
def _WrapperMessageToJsonObject(self, message):
return self._FieldToJsonObject(
message.DESCRIPTOR.fields_by_name['value'], message.value)
def _IsWrapperMessage(message_descriptor):
return message_descriptor.file.name == 'google/protobuf/wrappers.proto'
def _DuplicateChecker(js):
result = {}
for name, value in js:
if name in result:
raise ParseError('Failed to load JSON: duplicate key {0}.'.format(name))
result[name] = value
return result
def _CreateMessageFromTypeUrl(type_url):
# TODO(jieluo): Should add a way that users can register the type resolver
# instead of the default one.
db = symbol_database.Default()
type_name = type_url.split('/')[-1]
try:
message_descriptor = db.pool.FindMessageTypeByName(type_name)
except KeyError:
raise TypeError(
'Can not find message descriptor by type_url: {0}.'.format(type_url))
message_class = db.GetPrototype(message_descriptor)
return message_class()
def Parse(text, message, ignore_unknown_fields=False):
"""Parses a JSON representation of a protocol message into a message.
Args:
text: Message JSON representation.
message: A protocol buffer message to merge into.
ignore_unknown_fields: If True, do not raise errors for unknown fields.
Returns:
The same message passed as argument.
Raises::
ParseError: On JSON parsing problems.
"""
if not isinstance(text, six.text_type): text = text.decode('utf-8')
try:
if sys.version_info < (2, 7):
# object_pair_hook is not supported before python2.7
js = json.loads(text)
else:
js = json.loads(text, object_pairs_hook=_DuplicateChecker)
except ValueError as e:
raise ParseError('Failed to load JSON: {0}.'.format(str(e)))
return ParseDict(js, message, ignore_unknown_fields)
def ParseDict(js_dict, message, ignore_unknown_fields=False):
"""Parses a JSON dictionary representation into a message.
Args:
js_dict: Dict representation of a JSON message.
message: A protocol buffer message to merge into.
ignore_unknown_fields: If True, do not raise errors for unknown fields.
Returns:
The same message passed as argument.
"""
parser = _Parser(ignore_unknown_fields)
parser.ConvertMessage(js_dict, message)
return message
_INT_OR_FLOAT = six.integer_types + (float,)
class _Parser(object):
"""JSON format parser for protocol message."""
def __init__(self,
ignore_unknown_fields):
self.ignore_unknown_fields = ignore_unknown_fields
def ConvertMessage(self, value, message):
"""Convert a JSON object into a message.
Args:
value: A JSON object.
message: A WKT or regular protocol message to record the data.
Raises:
ParseError: In case of convert problems.
"""
message_descriptor = message.DESCRIPTOR
full_name = message_descriptor.full_name
if _IsWrapperMessage(message_descriptor):
self._ConvertWrapperMessage(value, message)
elif full_name in _WKTJSONMETHODS:
methodcaller(_WKTJSONMETHODS[full_name][1], value, message)(self)
else:
self._ConvertFieldValuePair(value, message)
def _ConvertFieldValuePair(self, js, message):
"""Convert field value pairs into regular message.
Args:
js: A JSON object to convert the field value pairs.
message: A regular protocol message to record the data.
Raises:
ParseError: In case of problems converting.
"""
names = []
message_descriptor = message.DESCRIPTOR
fields_by_json_name = dict((f.json_name, f)
for f in message_descriptor.fields)
for name in js:
try:
field = fields_by_json_name.get(name, None)
if not field:
field = message_descriptor.fields_by_name.get(name, None)
if not field and _VALID_EXTENSION_NAME.match(name):
if not message_descriptor.is_extendable:
raise ParseError('Message type {0} does not have extensions'.format(
message_descriptor.full_name))
identifier = name[1:-1] # strip [] brackets
identifier = '.'.join(identifier.split('.')[:-1])
# pylint: disable=protected-access
field = message.Extensions._FindExtensionByName(identifier)
# pylint: enable=protected-access
if not field:
if self.ignore_unknown_fields:
continue
raise ParseError(
('Message type "{0}" has no field named "{1}".\n'
' Available Fields(except extensions): {2}').format(
message_descriptor.full_name, name,
message_descriptor.fields))
if name in names:
raise ParseError('Message type "{0}" should not have multiple '
'"{1}" fields.'.format(
message.DESCRIPTOR.full_name, name))
names.append(name)
# Check no other oneof field is parsed.
if field.containing_oneof is not None:
oneof_name = field.containing_oneof.name
if oneof_name in names:
raise ParseError('Message type "{0}" should not have multiple '
'"{1}" oneof fields.'.format(
message.DESCRIPTOR.full_name, oneof_name))
names.append(oneof_name)
value = js[name]
if value is None:
if (field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE
and field.message_type.full_name == 'google.protobuf.Value'):
sub_message = getattr(message, field.name)
sub_message.null_value = 0
else:
message.ClearField(field.name)
continue
# Parse field value.
if _IsMapEntry(field):
message.ClearField(field.name)
self._ConvertMapFieldValue(value, message, field)
elif field.label == descriptor.FieldDescriptor.LABEL_REPEATED:
message.ClearField(field.name)
if not isinstance(value, list):
raise ParseError('repeated field {0} must be in [] which is '
'{1}.'.format(name, value))
if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
# Repeated message field.
for item in value:
sub_message = getattr(message, field.name).add()
# None is a null_value in Value.
if (item is None and
sub_message.DESCRIPTOR.full_name != 'google.protobuf.Value'):
raise ParseError('null is not allowed to be used as an element'
' in a repeated field.')
self.ConvertMessage(item, sub_message)
else:
# Repeated scalar field.
for item in value:
if item is None:
raise ParseError('null is not allowed to be used as an element'
' in a repeated field.')
getattr(message, field.name).append(
_ConvertScalarFieldValue(item, field))
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
if field.is_extension:
sub_message = message.Extensions[field]
else:
sub_message = getattr(message, field.name)
sub_message.SetInParent()
self.ConvertMessage(value, sub_message)
else:
setattr(message, field.name, _ConvertScalarFieldValue(value, field))
except ParseError as e:
if field and field.containing_oneof is None:
raise ParseError('Failed to parse {0} field: {1}'.format(name, e))
else:
raise ParseError(str(e))
except ValueError as e:
raise ParseError('Failed to parse {0} field: {1}.'.format(name, e))
except TypeError as e:
raise ParseError('Failed to parse {0} field: {1}.'.format(name, e))
def _ConvertAnyMessage(self, value, message):
"""Convert a JSON representation into Any message."""
if isinstance(value, dict) and not value:
return
try:
type_url = value['@type']
except KeyError:
raise ParseError('@type is missing when parsing any message.')
sub_message = _CreateMessageFromTypeUrl(type_url)
message_descriptor = sub_message.DESCRIPTOR
full_name = message_descriptor.full_name
if _IsWrapperMessage(message_descriptor):
self._ConvertWrapperMessage(value['value'], sub_message)
elif full_name in _WKTJSONMETHODS:
methodcaller(
_WKTJSONMETHODS[full_name][1], value['value'], sub_message)(self)
else:
del value['@type']
self._ConvertFieldValuePair(value, sub_message)
# Sets Any message
message.value = sub_message.SerializeToString()
message.type_url = type_url
def _ConvertGenericMessage(self, value, message):
"""Convert a JSON representation into message with FromJsonString."""
# Duration, Timestamp, FieldMask have a FromJsonString method to do the
# conversion. Users can also call the method directly.
message.FromJsonString(value)
def _ConvertValueMessage(self, value, message):
"""Convert a JSON representation into Value message."""
if isinstance(value, dict):
self._ConvertStructMessage(value, message.struct_value)
elif isinstance(value, list):
self. _ConvertListValueMessage(value, message.list_value)
elif value is None:
message.null_value = 0
elif isinstance(value, bool):
message.bool_value = value
elif isinstance(value, six.string_types):
message.string_value = value
elif isinstance(value, _INT_OR_FLOAT):
message.number_value = value
else:
raise ParseError('Unexpected type for Value message.')
def _ConvertListValueMessage(self, value, message):
"""Convert a JSON representation into ListValue message."""
if not isinstance(value, list):
raise ParseError(
'ListValue must be in [] which is {0}.'.format(value))
message.ClearField('values')
for item in value:
self._ConvertValueMessage(item, message.values.add())
def _ConvertStructMessage(self, value, message):
"""Convert a JSON representation into Struct message."""
if not isinstance(value, dict):
raise ParseError(
'Struct must be in a dict which is {0}.'.format(value))
for key in value:
self._ConvertValueMessage(value[key], message.fields[key])
return
def _ConvertWrapperMessage(self, value, message):
"""Convert a JSON representation into Wrapper message."""
field = message.DESCRIPTOR.fields_by_name['value']
setattr(message, 'value', _ConvertScalarFieldValue(value, field))
def _ConvertMapFieldValue(self, value, message, field):
"""Convert map field value for a message map field.
Args:
value: A JSON object to convert the map field value.
message: A protocol message to record the converted data.
field: The descriptor of the map field to be converted.
Raises:
ParseError: In case of convert problems.
"""
if not isinstance(value, dict):
raise ParseError(
'Map field {0} must be in a dict which is {1}.'.format(
field.name, value))
key_field = field.message_type.fields_by_name['key']
value_field = field.message_type.fields_by_name['value']
for key in value:
key_value = _ConvertScalarFieldValue(key, key_field, True)
if value_field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
self.ConvertMessage(value[key], getattr(
message, field.name)[key_value])
else:
getattr(message, field.name)[key_value] = _ConvertScalarFieldValue(
value[key], value_field)
def _ConvertScalarFieldValue(value, field, require_str=False):
"""Convert a single scalar field value.
Args:
value: A scalar value to convert the scalar field value.
field: The descriptor of the field to convert.
require_str: If True, the field value must be a str.
Returns:
The converted scalar field value
Raises:
ParseError: In case of convert problems.
"""
if field.cpp_type in _INT_TYPES:
return _ConvertInteger(value)
elif field.cpp_type in _FLOAT_TYPES:
return _ConvertFloat(value)
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_BOOL:
return _ConvertBool(value, require_str)
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_STRING:
if field.type == descriptor.FieldDescriptor.TYPE_BYTES:
return base64.b64decode(value)
else:
# Checking for unpaired surrogates appears to be unreliable,
# depending on the specific Python version, so we check manually.
if _UNPAIRED_SURROGATE_PATTERN.search(value):
raise ParseError('Unpaired surrogate')
return value
elif field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM:
# Convert an enum value.
enum_value = field.enum_type.values_by_name.get(value, None)
if enum_value is None:
try:
number = int(value)
enum_value = field.enum_type.values_by_number.get(number, None)
except ValueError:
raise ParseError('Invalid enum value {0} for enum type {1}.'.format(
value, field.enum_type.full_name))
if enum_value is None:
if field.file.syntax == 'proto3':
# Proto3 accepts unknown enums.
return number
raise ParseError('Invalid enum value {0} for enum type {1}.'.format(
value, field.enum_type.full_name))
return enum_value.number
def _ConvertInteger(value):
"""Convert an integer.
Args:
value: A scalar value to convert.
Returns:
The integer value.
Raises:
ParseError: If an integer couldn't be consumed.
"""
if isinstance(value, float) and not value.is_integer():
raise ParseError('Couldn\'t parse integer: {0}.'.format(value))
if isinstance(value, six.text_type) and value.find(' ') != -1:
raise ParseError('Couldn\'t parse integer: "{0}".'.format(value))
return int(value)
def _ConvertFloat(value):
"""Convert an floating point number."""
if value == 'nan':
raise ParseError('Couldn\'t parse float "nan", use "NaN" instead.')
try:
# Assume Python compatible syntax.
return float(value)
except ValueError:
# Check alternative spellings.
if value == _NEG_INFINITY:
return float('-inf')
elif value == _INFINITY:
return float('inf')
elif value == _NAN:
return float('nan')
else:
raise ParseError('Couldn\'t parse float: {0}.'.format(value))
def _ConvertBool(value, require_str):
"""Convert a boolean value.
Args:
value: A scalar value to convert.
require_str: If True, value must be a str.
Returns:
The bool parsed.
Raises:
ParseError: If a boolean value couldn't be consumed.
"""
if require_str:
if value == 'true':
return True
elif value == 'false':
return False
else:
raise ParseError('Expected "true" or "false", not {0}.'.format(value))
if not isinstance(value, bool):
raise ParseError('Expected true or false without quotes.')
return value
_WKTJSONMETHODS = {
'google.protobuf.Any': ['_AnyMessageToJsonObject',
'_ConvertAnyMessage'],
'google.protobuf.Duration': ['_GenericMessageToJsonObject',
'_ConvertGenericMessage'],
'google.protobuf.FieldMask': ['_GenericMessageToJsonObject',
'_ConvertGenericMessage'],
'google.protobuf.ListValue': ['_ListValueMessageToJsonObject',
'_ConvertListValueMessage'],
'google.protobuf.Struct': ['_StructMessageToJsonObject',
'_ConvertStructMessage'],
'google.protobuf.Timestamp': ['_GenericMessageToJsonObject',
'_ConvertGenericMessage'],
'google.protobuf.Value': ['_ValueMessageToJsonObject',
'_ConvertValueMessage']
}
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