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Изворен канал @pythonotes · Post #201 · 13 јан.

Мы уже знаем, что на текущую сессию интерпретатора изменение PYTHONPATH никак не повлияет. Но если вы запустите дочерний процесс, то он унаследует окружение текущего процесса, а значит и изменения в любых переменных будут на него влиять. Вот небольшой пример: Объявляем переменную user@host:~$ export PYTHONPATH=/path1 Запускаем интерпретатор user@host:~$ python3 Проверим что в sys.path >>> import sys >>> print(sys.path) ['', '/path1', '/usr/lib/...', ...] Добавляем что-то в переменную >>> import os >>> os.emviron['PYTHONPATH'] = '/path1:/path2' >>> print(sys.path) ['', '/path1', '/usr/lib/...', ...] Изменений нет. Но давайте запустим дочерний процесс и посмотрим там >>> os.system('python3') # теперь мы находимся в другом процессе >>> import sys >>> print(sys.path) ['', '/path1', '/path2', '/usr/lib/...', ...] Тоже самое будет и с subprocess, так как по умолчанию текущее окружение тоже наследуется. >>> import subprocess >>> subprocess.call(['python3', '-c', 'import sys;print(sys.path)']) ['', '/path1', '/path2', '/usr/lib/...', ...] ______________________ Лучшей практикой является передача энвайронмента явно через аргумент env! import subprocess subprocess.call(cmd, env={'PYTHONPATH': '...'}) Это поможет точно понимать какое окружение будет у запускаемого процесса и при этом не изменять окружение текущего процесса. #basic

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Пронајдени 29 слични објави

Пребарај: #inspiring

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Inspiring Images

@InspiringImages · Post #13417 · 19.09.2025 г., 03:41

Really Good One to Watch The daughter takes a step forward with each question. The father stands there. The daughter, who starts off playfully laughing.... is shocked to see her father standing there despite her progress. When the father steps forward for the final question, she hugs him. Father - Daughter ❤️ Children can be raised without knowing hardship. But it is important to make them know that nothing they get comes so easily ❤️ #Inspiring @InspiringThoughts

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Inspiring Thoughts

@Inspiringthoughts · Post #10978 · 19.09.2025 г., 03:38

Really Good One to Watch The daughter takes a step forward with each question. The father stands there. The daughter, who starts off playfully laughing.... is shocked to see her father standing there despite her progress. When the father steps forward for the final question, she hugs him. Father - Daughter ❤️ Children can be raised without knowing hardship. But it is important to make them know that nothing they get comes so easily ❤️ #Inspiring @InspiringThoughts

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Inspiring Thoughts

@Inspiringthoughts · Post #10694 · 26.03.2025 г., 04:55

Who is your life partner? Listen in quiet times @InspiringThoughts Give 👍 if you like it Let us see how many understand hindi #Inspiring

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椒盐豆豉剪报

@mtfront · Post #3744 · 07.01.2025 г., 08:34

今晚和女朋友聊天想出的鸡汤一则:焦虑型的人要担心和伤心的是 O(n),但我这种不焦虑型的发生了再兵来将挡水来土掩的焦虑量只有 O(log n),所以刷过题知道我在说什么的朋友们焦虑的时候可以拿算法试图稍微缓给不焦虑这边加加分! (甚至不知道该打什么 tag,本剪报还没有这么鸡汤过,那就强行 #inspiring 吧)

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Most Inspiring

@MostInspiring · Post #2793 · 19.09.2025 г., 03:42

Really Good One to Watch The daughter takes a step forward with each question. The father stands there. The daughter, who starts off playfully laughing.... is shocked to see her father standing there despite her progress. When the father steps forward for the final question, she hugs him. Father - Daughter ❤️ Children can be raised without knowing hardship. But it is important to make them know that nothing they get comes so easily ❤️ #Inspiring @InspiringThoughts

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Most Inspiring

@MostInspiring · Post #2792 · 19.09.2025 г., 03:40

Really Good One to Watch The daughter takes a step forward with each question. The father stands there. The daughter, who starts off playfully laughing.... is shocked to see her father standing there despite her progress. When the father steps forward for the final question, she hugs him. Father - Daughter ❤️ Children can be raised without knowing hardship. But it is important to make them know that nothing they get comes so easily ❤️ #Inspiring @InspiringThoughts

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Positive News

@positivenewss · Post #526 · 19.09.2025 г., 03:41

Really Good One to Watch The daughter takes a step forward with each question. The father stands there. The daughter, who starts off playfully laughing.... is shocked to see her father standing there despite her progress. When the father steps forward for the final question, she hugs him. Father - Daughter ❤️ Children can be raised without knowing hardship. But it is important to make them know that nothing they get comes so easily ❤️ #Inspiring @InspiringThoughts

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