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# pylint: disable=missing-docstring,invalid-name,line-too-long,too-few-public-methods
import typing
import collections
from typing import Generic, TypeVar
# tests/functional/a/assigning_non_slot.py
TYPE = TypeVar('TYPE')
class Cls(Generic[TYPE]):
""" Simple class with slots """
__slots__ = ['value']
def __init__(self, value):
self.value = value
# tests/functional/d/dangerous_default_value_py30.py
def function4(value=set()): # [dangerous-default-value]
"""set is mutable and dangerous."""
return value
def function5(value=frozenset()):
"""frozenset is immutable and safe."""
return value
def function7(value=dict()): # [dangerous-default-value]
"""dict is mutable and dangerous."""
return value
def function8(value=list()): # [dangerous-default-value]
"""list is mutable and dangerous."""
return value
def function17(value=collections.deque()): # [dangerous-default-value]
"""mutable, dangerous"""
return value
def function18(value=collections.ChainMap()): # [dangerous-default-value]
"""mutable, dangerous"""
return value
def function19(value=collections.Counter()): # [dangerous-default-value]
"""mutable, dangerous"""
return value
def function20(value=collections.OrderedDict()): # [dangerous-default-value]
"""mutable, dangerous"""
return value
def function21(value=collections.defaultdict()): # [dangerous-default-value]
"""mutable, dangerous"""
return value
# tests/functional/p/protocol_classes.py (min py38)
T2 = typing.TypeVar("T2")
class HasherGeneric(typing.Protocol[T2]):
"""A hashing algorithm, e.g. :func:`hashlib.sha256`."""
def update(self, blob: bytes):
...
def digest(self) -> bytes:
...
# tests/functional/r/regression/regression_2443_duplicate_bases.py
IN = TypeVar('IN', contravariant=True)
OUT = TypeVar('OUT', covariant=True)
class ConsumingMixin(Generic[IN]):
pass
class ProducingMixin(Generic[OUT]):
pass
class StreamingMixin(Generic[IN, OUT], ConsumingMixin[IN], ProducingMixin[OUT]):
pass
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