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# Copyright (C) 2018 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This module has components that use Python 3 specific syntax."""
import asyncio
import functools
from typing import Tuple
# pylint: disable=keyword-arg-before-vararg
def identity(arg1, arg2: int, arg3=10, arg4: int = 20, *arg5,
arg6, arg7: int, arg8=30, arg9: int = 40, **arg10):
return arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10
class HelpTextComponent:
def identity(self, *, alpha, beta='0'):
return alpha, beta
class KeywordOnly:
def double(self, *, count):
return count * 2
def triple(self, *, count):
return count * 3
def with_default(self, *, x="x"):
print("x: " + x)
class LruCacheDecoratedMethod:
@functools.lru_cache()
def lru_cache_in_class(self, arg1):
return arg1
@functools.lru_cache()
def lru_cache_decorated(arg1):
return arg1
class WithAsyncio:
async def double(self, count=0):
return 2 * count
class WithTypes:
"""Class with functions that have default arguments and types."""
def double(self, count: float) -> float:
"""Returns the input multiplied by 2.
Args:
count: Input number that you want to double.
Returns:
A number that is the double of count.
"""
return 2 * count
def long_type(
self,
long_obj: (Tuple[Tuple[Tuple[Tuple[Tuple[Tuple[Tuple[
Tuple[Tuple[Tuple[Tuple[Tuple[int]]]]]]]]]]]])
):
return long_obj
class WithDefaultsAndTypes:
"""Class with functions that have default arguments and types."""
def double(self, count: float = 0) -> float:
"""Returns the input multiplied by 2.
Args:
count: Input number that you want to double.
Returns:
A number that is the double of count.
"""
return 2 * count
def get_int(self, value: int = None):
return 0 if value is None else value
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