advanced-python-homework-2023/equipment/turtle_device.py
2023-11-12 18:13:02 +03:00

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from turtle import Turtle
from controls.device import (
SynchronyDevice,
TraitDescriptor,
ActionDescriptor,
NoSuchTrait,
NoSuchAction,
)
from typing import Collection, Optional, Any
import inspect
class TurtleDevice(SynchronyDevice):
def __init__(self) -> None:
super().__init__()
self.open()
def open(self) -> None:
self.turtle = Turtle()
def close(self) -> None:
del self.turtle
self.close()
def execute(self, action_name: str, *args, **kwargs) -> None:
actions = self.action_descriptors
for action in actions:
if action.name == action_name:
# NOTE: судя по заданию, должен быть такой assert,
# но почему-то у меня inspect плохо спарсил типы именно для Turtle
# везде empty_time, хотя судя по доке в модуле typos проставлены
# при чем тестировал на pd.DataFrame, там все прекрасно парсит
# for argument in kwargs:
# action_tmp_argument_type = action.arguments[argument]
# given_method_tmp_argument = type(kwargs[argument])
# assert (
# action_tmp_argument_type == given_method_tmp_argument
# ), f"Переданный аргумент должен быть типа {action_tmp_argument_type}, вы передали {given_method_tmp_argument}"
getattr(self.turtle, action_name)(*args, **kwargs)
return
raise NoSuchAction
def read(self, trait_name: str) -> Any:
return Turtle().__getattribute__(trait_name)
def write(self, trait_name: str, value: Any) -> bool:
traits = self.trait_descriptors
for trait in traits:
if trait.name == trait_name:
attribute_type = type(self.turtle.__getattribute__(trait_name))
assert (
type(value) == attribute_type
), f"Wrong value type. Type should be {attribute_type}, but you pass {type(value)}"
self.turtle.__setattr__(trait_name, value)
return True
raise NoSuchTrait
def invalidate(self, trait_name: str) -> None:
self.write(trait_name=trait_name, value=Turtle().__getattribute__(trait_name))
return
def __getitem__(self, trait_name: str) -> Optional[Any]:
traits = self.trait_descriptors
for trait in traits:
if trait.name == trait_name:
return self.turtle.__getattribute__(trait_name)
raise NoSuchTrait
@property
def trait_descriptors(self) -> Collection[TraitDescriptor]:
return [
TraitDescriptor(name=attr, info=getattr(self.turtle, attr).__doc__)
for attr in dir(self.turtle)
if attr[0] != "_"
and attr[-1] != "_"
and not callable(getattr(self.turtle, attr))
]
@property
def action_descriptors(self) -> Collection[ActionDescriptor]:
methods = [
attr
for attr in dir(self.turtle)
if attr[0] != "_"
and attr[-1] != "_"
and callable(getattr(self.turtle, attr))
]
result = []
for method_name in methods:
method = getattr(self.turtle, method_name)
parameters = inspect.signature(method).parameters
arg_types = {}
for arg_name, arg in parameters.items():
arg_types[arg_name] = parameters[arg_name].annotation
result.append(
ActionDescriptor(
name=method_name, info=method.__doc__, arguments=arg_types
)
)
return result