Python + bash
Если вам часто требуется запускать shell команды из Python-кода, какой способ вы используете?
Самый низкоуровневый это функция os.system(), либо os.popen(). Рекомендованный способ это subprocess.call(). Но это всё еще достаточно неудобно.
Советую обратить своё внимание на очень крутую библиотеку sh.
Что она умеет?
🔸 удобный синтаксис вызова команд как функций
# os
import os
os.system("tar cvf demo.tar ~/")
# subprocess
import subprocess
subprocess.call(['tar', 'cvf', 'demo.tar', '~/'])
# sh
import sh
sh.tar('cvf', 'demo.tar', "~/")
🔸 простое создание функции-алиаса для длинной команды
fn = sh.lsof.bake('-i', '-P', '-n')
output = sh.grep(fn(), 'LISTEN')
в этом примере также задействован пайпинг
🔸 удобный вызов команд от sudo
with sh.contrib.sudo:
print(ls("/root"))
Такой запрос спросит пароль. Чтобы это работало нужно соответствующим способом настроить юзера.
А вот вариант с вводом пароля через код.
password = "secret"
sudo = sh.sudo.bake("-S", _in=password+"\n")
print(sudo.ls("/root"))
Это не все фишки. Больше интересных примеров смотрите в документации.
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✍️Author : Ariel Lawhon
⭐️Rating : 4.38/5 (Goodreads)
📆Published : Dec 05, 2023
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Summary:The Frozen River by Ariel Lawhon is a historical mystery set in 1789 Maine. Midwife and healer Martha Ballard is called to examine the body of a man found trapped in the frozen Kennebec River. While authorities quickly declare the death an accident, Martha suspects something far darker. As she records events in her diary and follows the clues, she uncovers a web of violence, secrets, and injustice involving powerful members of the community. Determined to seek the truth despite threats and social pressures, Martha risks her reputation and safety while fighting for justice in a society where women’s voices are often ignored.
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✍️Author : Satoshi Yagisawa
⭐️Rating : 3.85/5 (Goodreads)
📆Published : Dec 06, 2011
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✍️Author : Farrah Rochon
⭐️Rating : 3.92/5 (Goodreads)
📆Published : Jan 07, 2025
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Summary:Five sheltered sisters living in a quiet seaside village learn that they are the legendary Muses, daughters of Mnemosyne, Goddess of Memory. After their mother is kidnapped by Hades, the sisters are forced to leave their protected lives behind. Guided by Calliope’s leadership, they journey through dangerous lands, face mythical trials, and uncover their divine powers. Along the way, they confront fear, doubt, and destiny itself. Through music, storytelling, courage, and unity, the sisters strengthen their bond and transform from overlooked performers into heroic figures, embracing their true identities and shaping their own legendary “gospel truth.”
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