本文整理汇总了Python中google.protobuf.internal.wire_format.ZigZagEncode方法的典型用法代码示例。如果您正苦于以下问题：Python wire_format.ZigZagEncode方法的具体用法？Python wire_format.ZigZagEncode怎么用？Python wire_format.ZigZagEncode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类google.protobuf.internal.wire_format的用法示例。
在下文中一共展示了wire_format.ZigZagEncode方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testZigZagEncode
# 需要导入模块: from google.protobuf.internal import wire_format [as 别名]
# 或者: from google.protobuf.internal.wire_format import ZigZagEncode [as 别名]
def testZigZagEncode(self):
Z = wire_format.ZigZagEncode
self.assertEqual(0, Z(0))
self.assertEqual(1, Z(-1))
self.assertEqual(2, Z(1))
self.assertEqual(3, Z(-2))
self.assertEqual(4, Z(2))
self.assertEqual(0xfffffffe, Z(0x7fffffff))
self.assertEqual(0xffffffff, Z(-0x80000000))
self.assertEqual(0xfffffffffffffffe, Z(0x7fffffffffffffff))
self.assertEqual(0xffffffffffffffff, Z(-0x8000000000000000))
self.assertRaises(TypeError, Z, None)
self.assertRaises(TypeError, Z, 'abcd')
self.assertRaises(TypeError, Z, 0.0)
self.assertRaises(TypeError, Z, object()) 示例2: _ModifiedSizer
# 需要导入模块: from google.protobuf.internal import wire_format [as 别名]
# 或者: from google.protobuf.internal.wire_format import ZigZagEncode [as 别名]
def _ModifiedSizer(compute_value_size, modify_value):
"""Like SimpleSizer, but modify_value is invoked on each value before it is
passed to compute_value_size. modify_value is typically ZigZagEncode."""
def SpecificSizer(field_number, is_repeated, is_packed):
tag_size = _TagSize(field_number)
if is_packed:
local_VarintSize = _VarintSize
def PackedFieldSize(value):
result = 0
for element in value:
result += compute_value_size(modify_value(element))
return result + local_VarintSize(result) + tag_size
return PackedFieldSize
elif is_repeated:
def RepeatedFieldSize(value):
result = tag_size * len(value)
for element in value:
result += compute_value_size(modify_value(element))
return result
return RepeatedFieldSize
else:
def FieldSize(value):
return tag_size + compute_value_size(modify_value(value))
return FieldSize
return SpecificSizer 示例3: _ModifiedEncoder
# 需要导入模块: from google.protobuf.internal import wire_format [as 别名]
# 或者: from google.protobuf.internal.wire_format import ZigZagEncode [as 别名]
def _ModifiedEncoder(wire_type, encode_value, compute_value_size, modify_value):
"""Like SimpleEncoder but additionally invokes modify_value on every value
before passing it to encode_value. Usually modify_value is ZigZagEncode."""
def SpecificEncoder(field_number, is_repeated, is_packed):
if is_packed:
tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED)
local_EncodeVarint = _EncodeVarint
def EncodePackedField(write, value, deterministic):
write(tag_bytes)
size = 0
for element in value:
size += compute_value_size(modify_value(element))
local_EncodeVarint(write, size, deterministic)
for element in value:
encode_value(write, modify_value(element), deterministic)
return EncodePackedField
elif is_repeated:
tag_bytes = TagBytes(field_number, wire_type)
def EncodeRepeatedField(write, value, deterministic):
for element in value:
write(tag_bytes)
encode_value(write, modify_value(element), deterministic)
return EncodeRepeatedField
else:
tag_bytes = TagBytes(field_number, wire_type)
def EncodeField(write, value, deterministic):
write(tag_bytes)
return encode_value(write, modify_value(value), deterministic)
return EncodeField
return SpecificEncoder 示例4: _ModifiedEncoder
# 需要导入模块: from google.protobuf.internal import wire_format [as 别名]
# 或者: from google.protobuf.internal.wire_format import ZigZagEncode [as 别名]
def _ModifiedEncoder(wire_type, encode_value, compute_value_size, modify_value):
"""Like SimpleEncoder but additionally invokes modify_value on every value
before passing it to encode_value. Usually modify_value is ZigZagEncode."""
def SpecificEncoder(field_number, is_repeated, is_packed):
if is_packed:
tag_bytes = TagBytes(field_number, wire_format.WIRETYPE_LENGTH_DELIMITED)
local_EncodeVarint = _EncodeVarint
def EncodePackedField(write, value):
write(tag_bytes)
size = 0
for element in value:
size += compute_value_size(modify_value(element))
local_EncodeVarint(write, size)
for element in value:
encode_value(write, modify_value(element))
return EncodePackedField
elif is_repeated:
tag_bytes = TagBytes(field_number, wire_type)
def EncodeRepeatedField(write, value):
for element in value:
write(tag_bytes)
encode_value(write, modify_value(element))
return EncodeRepeatedField
else:
tag_bytes = TagBytes(field_number, wire_type)
def EncodeField(write, value):
write(tag_bytes)
return encode_value(write, modify_value(value))
return EncodeField
return SpecificEncoder