How do I create a string containing the filepath of my python program?

Question

We are creating a python program that executes specific macros within Polyworks based on user input into the program. Right now the code is:

roto.command.CommandExecute('MACRO EXEC("C:\\RotoWorks\\Macros\\CentrifugalCompressor")')

However this assumes that our program is always installed in C:\RotoWorks. Ideally, our app is portable. I'm sure theres a way to retrieve the filepath that Rotoworks is stored in, then just concatenate the rest of the filepath to the end. How do I do this?

Possible duplicate of How to properly determine current script directory in Python? — user6025378
– user6025378, Commented Aug 15, 2016 at 19:11

Moses Koledoye · Accepted Answer · 2016-08-15 19:22:48Z

2

You can retrieve the path from the __file__ attribute of the file. Use os.path.abspath on that attribute to retrieve the absolute path of the file and then os.path.dirname to retrieve the containing directory:

import os

file_directory = os.path.dirname(os.path.abspath(__file__))
path = os.path.join(file_directory, other_path) # join directory to an inner path
roto.command.CommandExecute('MACRO EXEC({})'.format(path))

Use os.path.dirname recursively to move out as many directories as you want.

edited Aug 15, 2016 at 19:22

answered Aug 15, 2016 at 19:06

Moses Koledoye

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3 Comments

RBuntu Over a year ago

I used and it worked when running as a python script. But when I packaged it into an executable using py2exe, it says 'file is not defined'. How do I avoid this?

Moses Koledoye Over a year ago

@RBuntu That would require a slightly different approach. This: How do I get the path of the current executed file in python?

RBuntu Over a year ago

Thanks! I'll check it out

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