python - How to indicate the current directory of the script not me? -

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this question has answer here:

i have python script reads input file supposed in same directory of script:

with open('./input1.txt') file:     f = file.readlines() do_stuff(f)

i run script other directories (not directory script , input files reside), raises ioerror can't find input file (as not in current working directory). don't prefer putting full path input file since want portable- both script , input files have in same directory.

is there way indicate script in location directory not directory launching from?

__file__ path of script, albeit relative path. use:

import os.path  scriptdir = os.path.dirname(os.path.abspath(__file__))

to create absolute path directory, use os.path.join() open file:

with open(os.path.join(scriptdir, './input1.txt')) openfile:

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