If you run the file on the command line python library_file.py, it will load all the library functions and variables and then exit, effectively doing nothing. The if __name__ == '__main__': block …

Jun 16, 2023 · The `if __name__ == "__main__"` condition is used in Python to determine whether a script is being run as the main program or being imported as a module. It allows you …

Oct 19, 2022 · python importing_something.py __name__ is always set.. if the module namespace is being executed (by passing it to 'python'), __name__ will be "__main__". If the …

Nov 4, 2017 · There are several special variables or functions in python which start with a double underscore followed by a speaking name followed by a double underscore. These double …

May 29, 2022 · Plus, I personally just like to keep the start of “main” as close to the top of the file it’s in as possible. That’s just a stylistic thing, I know, but I like it. So I sure was glad to learn …

Sep 28, 2021 · __name__ contains the name of the current script when imported, or '__main__' if it's the script that was executed. As for your other question, you don't need an __init__ …

It means if someone imports your python file instead of running it directly its __name__ will no longer be __main__. So the lines inside that if will execute only if you execute the python file …

Mar 15, 2022 · At most, I name it something else, or not at all. Just for additional perspective, C# dropped the public static void main requirement and in Scala 3, you can inherit from an App …

In short, every time you run a Python script __name__ is assigned a value. If it's the script you ran, it gets the value '__main__' (which is an ordinary string). As for any modules included in …

Jun 26, 2023 · If your modules (including main) had side effects on import, they would also happen when you built docs for them. See the prominent warning box on that page. It is …