python - What does "sys.argv [1]" mean? (What is sys.argv, and where ...
sys.argv is a attribute of the sys module. It says the arguments passed into the file in the command line. sys.argv[0] catches the directory where the file is located. sys.argv[1] returns the first argument …
Where is Python's sys.path initialized from? - Stack Overflow
Oct 30, 2016 · The following guide is a watered-down, somewhat-incomplete, somewhat-wrong, but hopefully-useful guide for the rank-and-file python programmer of what happens when python figures …
python - Checking if sys.argv [x] is defined - Stack Overflow
What would be the best way to check if a variable was passed along for the script: try: sys.argv[1] except NameError: startingpoint = 'blah' else: startingpoint = sys.argv[1]
Python sys.argv lists and indexes - Stack Overflow
Apr 13, 2010 · The first argument, sys.argv[0], is actually the name of the program as it was invoked. That's not a Python thing, but how most operating systems work. The reason sys.argv[0] exists is so …
Add a directory to Python sys.path so that it's included each time I ...
Sep 19, 2011 · import sys sys.path.append('''C:\code\my-library''') from my-library import my-library Then, my-library will be part of sys.path for as long as the session is active. If I start a new file, I have …
How can I import files in Python using sys.path.append?
How can I import files in Python using sys.path.append? Asked 10 years, 4 months ago Modified 2 years, 9 months ago Viewed 214k times
Difference between exit () and sys.exit () in Python
Oct 7, 2016 · In Python, there are two similarly-named functions, exit() and sys.exit(). What's the difference and when should I use one over the other?
What does {sys.executable} do in a Jupyter Notebook?
Dec 14, 2021 · sys.executable is refering to the Python interpreter for the current system. It comes handy when using virtual environments and have several interpreters on the same machine. The -m …
The difference between sys.stdout.write and print?
Are there situations in which sys.stdout.write() is preferable to print? (Examples: better performance; code that makes more sense)
Python: Best way to add to sys.path relative to the current running ...
Dec 29, 2011 · #!/usr/bin/python import sys.path from os.path import pardir, sep sys.path.append_relative(pardir + sep + "lib") import mylib Or even better, something that wouldn't …