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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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NEA Singapore

@NEASingapore · Post #1016 · 30.03.2025 г., 01:03

Fashion doesn’t have to cost the earth! This International Day of Zero Waste puts the spotlight on fashion and textiles. Here’s how we can do our part to reduce textile waste: ✅ 𝗥𝗘𝗨𝗦𝗘 worn-out clothes for other purposes e.g. pillow covers, cleaning rags ✅ 𝗥𝗘𝗗𝗨𝗖𝗘 impulse purchases by checking if you already have something similar ✅ 𝗗𝗢𝗡𝗔𝗧𝗘 outgrown clothing #TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #799 · 30.03.2024 г., 02:02

It’s the International Day of Zero Waste! If you’ve yet to embark on the journey #TowardsZeroWaste, here’s your sign to get started: go.gov.sg/towards-zero-waste

NEA Singapore

@NEASingapore · Post #544 · 02.05.2023 г., 00:01

It’s World Tuna Day! If you have leftover canned tuna (or any other canned fish), be sure to store it properly in a sealed container. This extends the lifespan of your leftovers and minimises food waste! #TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #530 · 29.03.2023 г., 23:45

It’s the first International Day of Zero Waste, and a good opportunity to take stock of how far we’ve come in our journey #TowardsZeroWaste. If you’ve yet to get started on this journey, now’s the time! Tips at www.nea.gov.sg/our-services/towards-zero-waste

NEA Singapore

@NEASingapore · Post #488 · 15.01.2023 г., 02:01

Spring cleaning and getting rid of unwanted items, such as clothes or household items? If they are still in good condition, consider donating them! Discover what you can do with items that you no longer need here: go.gov.sg/nea-donate #TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #167 · 16.03.2021 г., 02:00

Have you recycled your used PMD yet? From now until June 2021, you’ll be able to do so at collection points in residential areas. Check out where and when at https://www.kgs.com.sg/pmd-collection-program Aside from retrieving precious materials from its li-ion batteries, the metal parts can also be used in the manufacturing of other products. #TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #165 · 09.03.2021 г., 03:00

Not sure what to do with your used Personal Mobility Device (PMD)? Recycle it! Aside from retrieving precious materials from its li-ion batteries, the metal parts can also be used in the manufacturing of other products. To make recycling PMDs more convenient, we are collaborating with KGS Pte Ltd to set up collection points at residential areas until June 2021. Check out where and when at https://www.kgs.com.sg/pmd-collection-program#TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #575 · 26.06.2023 г., 09:30

Our actions today impact our world tomorrow, and it is up to us to make it a better one. Together, let’s work #TowardsZeroWaste and build a #SustainableSG. If you’re still not sure how to start, check out the activities and challenges at www.gogreen.gov.sg/programmes/

NEA Singapore

@NEASingapore · Post #723 · 16.12.2023 г., 01:00

As the festive clock ticks, let's not forget the ticking dates in our pantry! Place items nearing their expiry dates at the front of your shelves. This helps you remember to use them soon and reduce food wastage. #SayYEStoWasteLess#TowardsZeroWaste

NEA Singapore

@NEASingapore · Post #501 · 04.02.2023 г., 02:01

Have leftover items from your Lunar New Year festivities? Be sure to place food that is near expiry within view, and practise the “First to Expire, First Out” approach when organising your home pantry! #SayYEStoWasteLess#TowardsZeroWaste

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