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
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Ethereum ETF Set to Ignite Prices – Could ETH Hit $4,500?
Monochrome Asset Management has filed to launch an Ethereum ETF in Australia under the ticker "IETH." If approved, the ETF will offer a regulated way for retail investors to buy into Ethereum, marking a crucial expansion of crypto products in Australia. Analysts predict this could push ETH prices towards $4,500, especially if Bitcoin continues its upward momentum.
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Crypto to the moon, no surprise.
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#CryptoInvestment
#TONCryptoNewsRapStyle
🎧@toncoin_rap
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-
Crypto GALAXY
Crypto Funds Struggle Compared to Bitcoin
OKX's founder Star claims no crypto fund has outperformed Bitcoin over the last decade, predicting a 100x growth for the industry. He acknowledged feedback on OKB's lack of use cases and poor listings. A new secret business line for OKX is set to launch in February.
In other news, Ethereum spot ETFs saw a net outflow of $39.432 million, while Bitcoin ETFs faced a larger outflow of $284 million. Notably, BlackRock's ETHA and IBIT ETFs saw significant inflows.
Read more about OKX's updates here, Ethereum's ETF activity here, and Bitcoin's ETF activity here.
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Morgan Stanley, managing $9.3 trillion in client assets, is considering launching a tokenized money-market fund following its recent introduction of a spot Bitcoin ETF. According to NS3.AI, Amy Oldenburg from Morgan Stanley highlighted the bank's interest in tax-loss harvesting for digital assets through its subsidiary, Parametric. Data from Farside Investors indicates that the new Bitcoin ETF has attracted approximately $46 million in net inflows since its launch on Wednesday. Additionally, Morgan Stanley submitted applications in January for ETFs linked to Ethereum and Solana.
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