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Изворен канал @pythonotes · Post #303 · 27 дек.

Наверняка вы замечали, что в Python есть удобная функция для получения переменной окружения os.getenv(NAME) И её "сестра" для создания или изменения переменных окружения os.putenv(NAME, VALUE) Но почему-то putenv() не работает как должно. Энвайромент не обновляется! os.putenv('MYVAR', '1') print(os.getenv('MYVAR')) ... и ничего 😴 Почему так? На самом деле энвайромент обновляется, но это значение не добавляется в словарь os.environ. Откройте исходник функции os.getenv(). Это просто шорткат для os.environ.get() В то время как putenv() это built-in С-функция. Словарь os.environ (или точней класс из MutableMapping) создаётся из энвайромента в момент инициализации. Функция putenv() самостоятельно его не изменяет. В тоже время, когда вы создаёте или изменяете ключ в os.environ, автоматически вызывается putenv() в методе __setitem__(). То есть, технически putenv() всё делает верно, но в os.environ это не отражается. Можно проверить так: >>> os.putenv('MYVAR', '123') >>> os.system('python -c "import os;print(os.getenv(\'MYVAR\'))"') 123 Я объявил переменную в текущем процессе и вызвал дочерний процесс, который её унаследовал и получил в составе os.environ. Аналогично при удалении переменной вызывается еще одна built-in функция unsetenv(), удаляющая переменную из системы. Итого ▫️ Удобней всего явно обновлять переменные через os.environ ▫️ Есть способ неявно создать/удалить переменную через putenv/unsetenv, что не повлияет на os.environ но изменит энвайромент и передаст изменения сабпроцессам. Но так лучше не делать! ▫️os.environ это просто обертка для built-in функций putenv() и unsetenv(). #basic

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Пронајдени 33 слични објави

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RNN Mirror

@Palresistmirror · Post #94833 · 15.05.2026 г., 14:37

🚨 Fahd Zaidan Oweis (15) ascended to martyrdom after he was shot and killed by the IOF in the town of Al-Lubban ash-Sharqiya, south of #Nablus. Glory to the martyrs.

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RNN Mirror

@Palresistmirror · Post #94379 · 08.05.2026 г., 16:52

🚨 Settlers set fire to a Palestinian home near the entrance of the village of Al-Lubban ash-Sharqiya, south of #Nablus.

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RNN Mirror

@Palresistmirror · Post #94335 · 07.05.2026 г., 18:00

🚨 The Committee of Families of Political Detainees in the West Bank reports critical violations and systematic abuse occurring within the Palestinian Authority's Al-Junaid Prison in #Nablus. • All prisoners are exposed to psychological and physical terrorism while in custody. • Documented cases include the severe torture of detainee Suleiman Al-Shami, who sustained burns on his feet due to brutal interrogation methods. • Over 70 political detainees remain imprisoned despite explicit court orders issued for their release. • The committee holds the security apparatus fully responsible for the physical and psychological safety of the detainees and demands their immediate, unconditional release.

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RNN Mirror

@Palresistmirror · Post #94142 · 03.05.2026 г., 12:02

🚨 Nayef Firas Ziad Samaro (26 years old), has ascended to martyrdom after he was shot by the IOF during a military raid in #Nablus. The Palestinian Red Crescent reported a total of 45 injuries during the incursion into the city center. The casualties include: • 5 injuries by live ammunition, including the martyr. • 40 injuries due to tear gas inhalation, with 10 requiring hospitalization. Glory to the martyrs.

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RNN Mirror

@Palresistmirror · Post #93798 · 24.04.2026 г., 16:09

🚨 The Commission of Prisoners and Ex-Prisoners Affairs warns of a systematic campaign of abuse against Palestinian prisoner Amjad Awad, held in "Gilboa" prison. Awad, from the town of Awarta in #Nablus, has been detained since April 2011 and is serving five life sentences and seven additional years. The Commission reported that IOF prison authorities are subjecting Awad to: • Systematic physical and psychological violence, including beatings with metal batons, causing fractures. • Deliberate targeting of his head and face, resulting in broken teeth. • Attacks with rubber-coated metal bullets. • Persistent violent raids on his cell. During a legal visit in February, prison authorities refused to remove his restraints, limiting the consultation to ten minutes and forcing him to communicate via a telephone handset placed on his shoulder. The Commission emphasizes that these conditions pose a severe and immediate threat to his life, amid ongoing retaliatory measures by the occupation.

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Resistance News Network

@palestineresist · Post #93690 · 08.04.2026 г., 15:35

🚨 Settlers kidnapped the child Usayd Mahmoud Ghanem from the town of Qabalan, taking him to the "Avitar" settlement built on Jabal Sobeih in the town of Beita, south of #Nablus.

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Resistance News Network Backup

@RNN_Backup · Post #62903 · 13.10.2024 г., 21:11

🚨 Confrontations have broken out between resistant youth and the IOF invading Beit Furik, east of #Nablus. The Palestinian Red Crescent reported dealing with two live bullet injuries and four tear gas injuries including a two-month-old infant. Resistant youth targeted an IOF vehicles with Molotovs.

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