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.
Специально для Windows💀 юзеров
#libs#linux
⭐️#US30: Bulls Will Push Higher
It is essential that we apply multitimeframe technical analysis and there is no better example of why that is the case than the current 📈US30 chart which, if analyzed properly, clearly points in the upward direction.
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Live Indices News Today – US30, NASDAQ, NAS100 & GER40 | March 23, 2026 https://www.fxpremiere.com/live-indices-news-today-us30-nasdaq-nas100-ger40-march-23-2026/#US30
🔅US30 Will Fall! Sell!📉
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Here is our detailed technical review for 📊US30.
The market is approaching a significant resistance area 49,454.8.
Due to the fact that we see a positive bearish reaction from the underlined area, I strongly believe that sellers will manage to push the price all the way down to 47,742.6 level.
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🔅US30 Is Bullish! Buy!📈
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Here is our detailed technical review for 📊US30.
The market is testing a major horizontal structure 45,691.7.
Taking into consideration the structure & trend analysis, I believe that the market will reach 46,550.5 level soon.
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🔅US30 Will Grow! Long!📈
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Here is our detailed technical review for 📊US30.
The market is trading around a solid horizontal structure 48,884.2.
The above observations make me that the market will inevitably achieve 49,692.2 level.
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🔅US30 Is Very Bearish! Short!📉
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Here is our detailed technical review for 📊US30.
The market is trading around a solid horizontal structure 50,088.7.
The above observations make me that the market will inevitably achieve 49,623.5 level.
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🔅US30 Will Move Lower! Sell!📉
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Take a look at our analysis for 📊US30.
The market is approaching a significant resistance area 49,481.0.
Due to the fact that we see a positive bearish reaction from the underlined area, I strongly believe that sellers will manage to push the price all the way down to 49,076.8 level.
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🔅US30 Is Bearish! Sell!📉
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Here is our detailed technical review for 📊US30.
The market is on a crucial zone of supply 49,331.6.
The above-mentioned technicals clearly indicate the dominance of sellers on the market. I recommend shorting the instrument, aiming at 48,745.5 level.
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