/opt/imunify360/venv/lib/python3.11/site-packages/google/protobuf
Edit: /opt/imunify360/venv/lib/python3.11/site-packages/google/protobuf/json_format.py (36297B)
# 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)'
import base64
from collections import OrderedDict
import json
import math
from operator import methodcaller
import re
import sys
from google.protobuf.internal import type_checkers
from google.protobuf import descriptor
from google.protobuf import message_factory
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(
u'[\ud800-\udbff](?![\udc00-\udfff])|(? self.max_recursion_depth:
raise ParseError('Message too deep. Max recursion depth is {0}'.format(
self.max_recursion_depth))
message_descriptor = message.DESCRIPTOR
full_name = message_descriptor.full_name
if not path:
path = message_descriptor.name
if _IsWrapperMessage(message_descriptor):
self._ConvertWrapperMessage(value, message, path)
elif full_name in _WKTJSONMETHODS:
methodcaller(_WKTJSONMETHODS[full_name][1], value, message, path)(self)
else:
self._ConvertFieldValuePair(value, message, path)
self.recursion_depth -= 1
def _ConvertFieldValuePair(self, js, message, path):
"""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.
path: parent path to log parse error info.
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 at {1}'.format(
message_descriptor.full_name, path))
identifier = name[1:-1] # strip [] brackets
# pylint: disable=protected-access
field = message.Extensions._FindExtensionByName(identifier)
# pylint: enable=protected-access
if not field:
# Try looking for extension by the message type name, dropping the
# field name following the final . separator in full_name.
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}" at "{2}".\n'
' Available Fields(except extensions): "{3}"').format(
message_descriptor.full_name, name, path,
[f.json_name for f in message_descriptor.fields]))
if name in names:
raise ParseError('Message type "{0}" should not have multiple '
'"{1}" fields at "{2}".'.format(
message.DESCRIPTOR.full_name, name, path))
names.append(name)
value = js[name]
# Check no other oneof field is parsed.
if field.containing_oneof is not None and value 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 at "{2}".'.format(
message.DESCRIPTOR.full_name, oneof_name,
path))
names.append(oneof_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
elif (field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_ENUM
and field.enum_type.full_name == 'google.protobuf.NullValue'):
setattr(message, field.name, 0)
else:
message.ClearField(field.name)
continue
# Parse field value.
if _IsMapEntry(field):
message.ClearField(field.name)
self._ConvertMapFieldValue(value, message, field,
'{0}.{1}'.format(path, name))
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} at {2}'.format(name, value, path))
if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
# Repeated message field.
for index, item in enumerate(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 at {0}.{1}[{2}]'.format(
path, name, index))
self.ConvertMessage(item, sub_message,
'{0}.{1}[{2}]'.format(path, name, index))
else:
# Repeated scalar field.
for index, item in enumerate(value):
if item is None:
raise ParseError('null is not allowed to be used as an element'
' in a repeated field at {0}.{1}[{2}]'.format(
path, name, index))
getattr(message, field.name).append(
_ConvertScalarFieldValue(
item, field, '{0}.{1}[{2}]'.format(path, name, index)))
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, '{0}.{1}'.format(path, name))
else:
if field.is_extension:
message.Extensions[field] = _ConvertScalarFieldValue(
value, field, '{0}.{1}'.format(path, name))
else:
setattr(
message, field.name,
_ConvertScalarFieldValue(value, field,
'{0}.{1}'.format(path, name)))
except ParseError as e:
if field and field.containing_oneof is None:
raise ParseError(
'Failed to parse {0} field: {1}.'.format(name, e)
) from e
else:
raise ParseError(str(e)) from e
except ValueError as e:
raise ParseError(
'Failed to parse {0} field: {1}.'.format(name, e)
) from e
except TypeError as e:
raise ParseError(
'Failed to parse {0} field: {1}.'.format(name, e)
) from e
def _ConvertAnyMessage(self, value, message, path):
"""Convert a JSON representation into Any message."""
if isinstance(value, dict) and not value:
return
try:
type_url = value['@type']
except KeyError as e:
raise ParseError(
'@type is missing when parsing any message at {0}'.format(path)
) from e
try:
sub_message = _CreateMessageFromTypeUrl(type_url, self.descriptor_pool)
except TypeError as e:
raise ParseError('{0} at {1}'.format(e, path)) from e
message_descriptor = sub_message.DESCRIPTOR
full_name = message_descriptor.full_name
if _IsWrapperMessage(message_descriptor):
self._ConvertWrapperMessage(value['value'], sub_message,
'{0}.value'.format(path))
elif full_name in _WKTJSONMETHODS:
methodcaller(_WKTJSONMETHODS[full_name][1], value['value'], sub_message,
'{0}.value'.format(path))(
self)
else:
del value['@type']
self._ConvertFieldValuePair(value, sub_message, path)
value['@type'] = type_url
# Sets Any message
message.value = sub_message.SerializeToString()
message.type_url = type_url
def _ConvertGenericMessage(self, value, message, path):
"""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.
try:
message.FromJsonString(value)
except ValueError as e:
raise ParseError('{0} at {1}'.format(e, path)) from e
def _ConvertValueMessage(self, value, message, path):
"""Convert a JSON representation into Value message."""
if isinstance(value, dict):
self._ConvertStructMessage(value, message.struct_value, path)
elif isinstance(value, list):
self._ConvertListValueMessage(value, message.list_value, path)
elif value is None:
message.null_value = 0
elif isinstance(value, bool):
message.bool_value = value
elif isinstance(value, str):
message.string_value = value
elif isinstance(value, _INT_OR_FLOAT):
message.number_value = value
else:
raise ParseError('Value {0} has unexpected type {1} at {2}'.format(
value, type(value), path))
def _ConvertListValueMessage(self, value, message, path):
"""Convert a JSON representation into ListValue message."""
if not isinstance(value, list):
raise ParseError('ListValue must be in [] which is {0} at {1}'.format(
value, path))
message.ClearField('values')
for index, item in enumerate(value):
self._ConvertValueMessage(item, message.values.add(),
'{0}[{1}]'.format(path, index))
def _ConvertStructMessage(self, value, message, path):
"""Convert a JSON representation into Struct message."""
if not isinstance(value, dict):
raise ParseError('Struct must be in a dict which is {0} at {1}'.format(
value, path))
# Clear will mark the struct as modified so it will be created even if
# there are no values.
message.Clear()
for key in value:
self._ConvertValueMessage(value[key], message.fields[key],
'{0}.{1}'.format(path, key))
return
def _ConvertWrapperMessage(self, value, message, path):
"""Convert a JSON representation into Wrapper message."""
field = message.DESCRIPTOR.fields_by_name['value']
setattr(
message, 'value',
_ConvertScalarFieldValue(value, field, path='{0}.value'.format(path)))
def _ConvertMapFieldValue(self, value, message, field, path):
"""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.
path: parent path to log parse error info.
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} at {2}'.format(
field.name, value, path))
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,
'{0}.key'.format(path), True)
if value_field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_MESSAGE:
self.ConvertMessage(value[key],
getattr(message, field.name)[key_value],
'{0}[{1}]'.format(path, key_value))
else:
getattr(message, field.name)[key_value] = _ConvertScalarFieldValue(
value[key], value_field, path='{0}[{1}]'.format(path, key_value))
def _ConvertScalarFieldValue(value, field, path, 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.
path: parent path to log parse error info.
require_str: If True, the field value must be a str.
Returns:
The converted scalar field value
Raises:
ParseError: In case of convert problems.
"""
try:
if field.cpp_type in _INT_TYPES:
return _ConvertInteger(value)
elif field.cpp_type in _FLOAT_TYPES:
return _ConvertFloat(value, field)
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:
if isinstance(value, str):
encoded = value.encode('utf-8')
else:
encoded = value
# Add extra padding '='
padded_value = encoded + b'=' * (4 - len(encoded) % 4)
return base64.urlsafe_b64decode(padded_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 as e:
raise ParseError('Invalid enum value {0} for enum type {1}'.format(
value, field.enum_type.full_name)) from e
if enum_value is None:
if field.enum_type.is_closed:
raise ParseError('Invalid enum value {0} for enum type {1}'.format(
value, field.enum_type.full_name))
else:
return number
return enum_value.number
except ParseError as e:
raise ParseError('{0} at {1}'.format(e, path)) from e
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, str) and value.find(' ') != -1:
raise ParseError('Couldn\'t parse integer: "{0}"'.format(value))
if isinstance(value, bool):
raise ParseError('Bool value {0} is not acceptable for '
'integer field'.format(value))
return int(value)
def _ConvertFloat(value, field):
"""Convert an floating point number."""
if isinstance(value, float):
if math.isnan(value):
raise ParseError('Couldn\'t parse NaN, use quoted "NaN" instead')
if math.isinf(value):
if value > 0:
raise ParseError('Couldn\'t parse Infinity or value too large, '
'use quoted "Infinity" instead')
else:
raise ParseError('Couldn\'t parse -Infinity or value too small, '
'use quoted "-Infinity" instead')
if field.cpp_type == descriptor.FieldDescriptor.CPPTYPE_FLOAT:
# pylint: disable=protected-access
if value > type_checkers._FLOAT_MAX:
raise ParseError('Float value too large')
# pylint: disable=protected-access
if value < type_checkers._FLOAT_MIN:
raise ParseError('Float value too small')
if value == 'nan':
raise ParseError('Couldn\'t parse float "nan", use "NaN" instead')
try:
# Assume Python compatible syntax.
return float(value)
except ValueError as e:
# 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)) from e
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']
}