Как правильно проверить атрибуты доступа файла? То есть доступна ли запись в файл или является ли он исполняемым?
Для этого в Python есть функция os.access()
Проверять так:
os.access(path, flag)
Функция вернёт bool в зависимости от наличия указанного флага.
Всего есть 4 флага проверки:
os.F_OK - наличие файла на диске
os.R_OK - доступ на чтение
os.W_OK - доступ на запись
os.X_OK - доступ на исполнение
Например, вместо try-except лучше делать так (пример из документации):
if os.access("myfile", os.R_OK):
with open("myfile") as fp:
return fp.read()
#basic#libs
The Kingfisher $BTC GEX+ is showing some heat!
🟣🔴 Market makers are likely to amplify price swings in the near term.
Watch out for big moves around IV 55, where they're less exposed.
Current bracket [54k, 67k]
#BTC#Options#GEX#Volatility (Not financial advice, DYOR!)
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📅Feb 8 2023
⏰19:00PM(SGT)
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Nasdaq Proposes Huge Options Limit Increase
Nasdaq seeks to raise position and exercise limits for iShares Bitcoin Trust ETF (IBIT) options from 25,000 to 250,000 contracts. Awaiting SEC's approval or denial.
#Nasdaq#Bitcoin#ETF#IBIT#Options#SEC#Crypto#VC
🚀 Bitcoin and Ethereum Options Set to Expire Today
Bitcoin options valued at $1.9 billion are scheduled to expire today at 8:00 a.m. UTC. According to NS3.AI, Ethereum options worth $330 million will also reach expiration at the same time.
#Bitcoin#Ethereum#Options#Expiration#Cryptocurrency#Trading#BTC#ETH
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FOR PREMIUM MEMBERSHIP
CALL /DM
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TECHNICAL SUPPORT ON DAILY BASIS
WITH THE BEST TRUSTED AND TRIED TECHNICAL INDICATORS
FUNDAMENTAL ANALYSIS FOR LONG TERM STOCKS
COMMODITY PIONEER
EXCEPTIONAL IN INDEX OTIONS BASED ON OI ANALYSIS
#OPTIONS
#FUTURES
#EQUITYCASH
#MCX
FOR PREMIUM MEMBERSHIP
CALL /DM
https://wa.me/918618508145
TECHNICAL SUPPORT ON DAILY BASIS
WITH THE BEST TRUSTED AND TRIED TECHNICAL INDICATORS
FUNDAMENTAL ANALYSIS FOR LONG TERM STOCKS
COMMODITY PIONEER
EXCEPTIONAL IN INDEX OTIONS BASED ON OI ANALYSIS
#OPTIONS
#FUTURES
#EQUITYCASH
#MCX
FOR PREMIUM MEMBERSHIP
CALL /DM
https://wa.me/918618508145
TECHNICAL SUPPORT ON DAILY BASIS
WITH THE BEST TRUSTED AND TRIED TECHNICAL INDICATORS
FUNDAMENTAL ANALYSIS FOR LONG TERM STOCKS
COMMODITY PIONEER
EXCEPTIONAL IN INDEX OTIONS BASED ON OI ANALYSIS
#OPTIONS
#FUTURES
#EQUITYCASH
#MCX
FOR PREMIUM MEMBERSHIP
CALL /DM
https://wa.me/918618508145
TECHNICAL SUPPORT ON DAILY BASIS
WITH THE BEST TRUSTED AND TRIED TECHNICAL INDICATORS
FUNDAMENTAL ANALYSIS FOR LONG TERM STOCKS
COMMODITY PIONEER
EXCEPTIONAL IN INDEX OTIONS BASED ON OI ANALYSIS
#OPTIONS
#FUTURES
#EQUITYCASH
#MCX
FOR PREMIUM MEMBERSHIP
CALL /DM
https://wa.me/918618508145
TECHNICAL SUPPORT ON DAILY BASIS
WITH THE BEST TRUSTED AND TRIED TECHNICAL INDICATORS
FUNDAMENTAL ANALYSIS FOR LONG TERM STOCKS
COMMODITY PIONEER
EXCEPTIONAL IN INDEX OTIONS BASED ON OI ANALYSIS
#OPTIONS
#FUTURES
#EQUITYCASH
#MCX
FOR PREMIUM MEMBERSHIP
CALL /DM
https://wa.me/918618508145