TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #402 · 22 дек.
Отдельно разберём TaskGroup, который пришел на замену gather в Python 3.11. Ключевые отличия ▫️create_task() возвращает объект asyncio.Task, у которого есть соответствюущие методы управления. То есть у нас больше контроля ▫️это контекстный менеджер, который гарантирует что все таски будут остановлены по выходу из контекста ▫️ошибка автоматически отменяет незавершенные задачи, ▫️except* передает нам ExceptionGroup, в котором каждую ошибку можно обработать отдельно import asyncio import random async def do_it() -> str: if random.random() < 0.1: raise ValueError('Oops') delay = random.uniform(0.5, 1.5) await asyncio.sleep(delay) return delay async def main(): try: async with asyncio.TaskGroup() as tg: for _ in range(10): tasks.append(tg.create_task(do_it())) for t in tasks: print(t.result()) except *ValueError as e: for err in e.exceptions: print(err) asyncio.run(main()) Рекомендую изучить страницу Coroutines and Tasks из документации, где представлено больше интересных примеров и механизмов - таймауты - отмена задач - создание задач из другого потока #async
Hashtags
Пребарај: #functions
@djangoproject · Post #575 · 26.02.2018 г., 03:06
#Functions are first-class citizens in Python: # They can be passed as arguments to other functions, # returned as values from other functions, and # assigned to variables and stored in data structures. »> def myfunc(a, b): ... return a + b ... »> funcs = [myfunc] »> funcs[0] <function myfunc at 0x107012230> »> funcs[0](2, 3) 5
Hashtags
@djangoproject · Post #409 · 12.08.2017 г., 03:01
# You can use Python's built-in "dis" # module to disassemble #functions and # inspect their CPython VM bytecode: »> def greet(name): ... return 'Hello, ' + name + '!' »> greet('Dan') 'Hello, Dan!' »> import dis »> dis.dis(greet) 2 0 LOAD_CONST 1 ('Hello, ') 2 LOAD_FAST 0 (name) 4 BINARY_ADD 6 LOAD_CONST 2 ('!') 8 BINARY_ADD 10 RETURN_VALUE
Hashtags
@djangoproject · Post #340 · 23.05.2017 г., 05:21
# Functions are first-class citizens in Python. # They can be passed as arguments to other functions, # returned as values from other #functions, and # assigned to variables and stored in data structures. »> def myfunc(a, b): ... return a + b ... »> funcs = [myfunc] »> funcs[0] <function myfunc at 0x107012230> »> funcs[0](2, 3) 5
Hashtags
@djangoproject · Post #430 · 02.09.2017 г., 03:23
https://docs.python.org/3/library/subprocess.html The #subprocess module allows you to spawn new #processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older #modules and #functions. #python
@djangoproject · Post #159 · 12.09.2016 г., 17:37
https://docs.python.org/3/library/atexit.html The #atexit module defines #functions to #register and #unregister cleanup functions. Functions thus registered are automatically executed upon normal interpreter termination. atexit runs these functions in the reverse order in which they were registered; if you register A, B, and C, at #interpreter#termination time they will be run in the order C, B, A.
@djangoproject · Post #513 · 30.11.2017 г., 22:00
#AI#Artificial_Intelligence #AJAX #aiohttp #Anaconda #AngularJS #API #Atom #AWS #asyncio (#Asynchronous) #audio #automated_testing #automation #atexit #BeeWare #Big_Data #bitcoin #blockchain #Bluemix #Brython #button #Celery #client #class #classmethod #concurrency #Coroutine #cron #CSS #curl #data_analysis #data_mining #data_processing #database #Deep_Learning#deep_learning #Debian #decorator #deploy #dict #dispatch #django #django_cms #Django_REST_Framework #dropdownbox #Docker #event #Firefox #Flask #form #functions #Generator #GeoDjango #git #Google #GPU #GUI #Gym #host #HTML #httplib #learn #Image_processing #intelligence #input #Instagram #IOT #iPython #Jupyter #lambda #learn #License #Linux #lists #machine_learning #Magenta #map #Matplotlib #Metaprogramming #Micro_services #Micropython #mind #monitoring #MongoDB #modules #Mozilla #Multipart #multi_touch_apps #multiprocessing #Nodes #NoSQL #numeric_computation #numerical #NumPy #network #neural_network #OAuth #object_serialization #OCR #overloading #package #parallel #pipeline #protocols #PostGIS #pyAudioAnalysis #pycon #Pyflakes #PyInstaller #PyPI #PyQt #PySide #PyTorch #pytest #python #Pyvideo_archives #Qt #Raspberry_Pi #React #Redis #random #request #Regular_Expressions (#re) #REST #RSS #satellite #scikit_learn #SciPy #scrapy #searching #selectbox #Selenium #serialization #server #sessions #single_responsibility_principle #socket #Spark #str #submit #task #telegram #template #TensorFlow #test #text_boxes #text #tuples #unicode #Universe #Unix #unit_test #urllib #upload #uWSGI #Web #WSGI
Hashtags