54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
import functools
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import inspect
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import threading
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import time
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from typing import Optional, Callable
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"""
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This part of code come from MCDReforged(https://github.com/Fallen_Breath/MCDReforged)
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Very thanks to Fallen_Breath and other coder who helped MCDR worked better
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https://www.gnu.org/licenses/gpl-3.0.en.html
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"""
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def new_thread(thread_name: Optional[str or Callable] = None):
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"""
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Use a new thread to execute the decorated function
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The function return value will be set to the thread instance that executes this function
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The name of the thread can be specified in parameter
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"""
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def wrapper(func):
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@functools.wraps(func) # to preserve the origin function information
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def wrap(*args, **kwargs):
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thread = threading.Thread(target=func, args=args, kwargs=kwargs, name=thread_name)
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thread.setDaemon(False)
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thread.start()
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return thread
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# bring the signature of the func to the wrap function
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# so inspect.getfullargspec(func) works correctly
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# https://stackoverflow.com/questions/39926567/python-create-decorator-preserving-function-arguments
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wrap.__signature__ = inspect.signature(func)
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return wrap
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# Directly use @on_new_thread without ending brackets case
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if isinstance(thread_name, Callable):
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this_is_a_function = thread_name
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thread_name = None
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return wrapper(this_is_a_function)
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# Use @on_new_thread with ending brackets case
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return wrapper
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@new_thread()
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def a(name):
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print('ah')
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print(name)
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time.sleep(2)
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print('done')
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if __name__ == '__main__':
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a('shenjack')
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