Expected str, bytes or os.PathLike object, not list when loading a python file

Question

This is my code: import easygui

while True:
    try:
        print('Select your file')
        proxyfile = easygui.fileopenbox('', 'Select your file')
        proxylines = proxyfile.splitlines()
        proxylinesamount = len(open(proxylines).readlines())
        break

    except (TypeError, AttributeError) as e:
        print(f'Error. File isn\'t valid. Reason: {e}')
        continue

For some reason it returns the following error:

expected str, bytes or os.PathLike object, not list

I understand that this is a TypeError but I simply can't understand what I'm doing wrong

proxylines is a list and you're trying to open it as a file. — PApostol
– PApostol, Commented Mar 18, 2021 at 16:16
@llamaCaraDara oops i forgot to remove that part. It has another purpose later on in the script. — jamjam46
– jamjam46, Commented Mar 18, 2021 at 16:22
it looks like you want to use len(open(proxyfile).readlines()). from what i'm reading in easygui fileopenbox returns a file path — llamaCaraDara
– llamaCaraDara, Commented Mar 18, 2021 at 16:27

Adam Bright · Accepted Answer · 2021-03-18 16:21:54Z

2

I would assume you wanted this:

import easygui

while True:
    try:
        print('Select your file')
        proxy_file = easygui.fileopenbox('', 'Select your file')  # Type: str
        with open(proxy_file, 'r') as fh:
            proxy_lines = list(fh)
            proxy_lines_amount = len(proxy_lines)
        break  # i'm not sure if while True and break are viable here

    except (TypeError, AttributeError) as e:
        print(f'Error. File isn\'t valid. Reason: {e}')
        continue

answered Mar 18, 2021 at 16:21

Adam Bright

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3 Comments

Barmar Over a year ago

I think list(fh) is more usually done as fh.readlines()

Adam Bright Over a year ago

@Barmar sure thing! However I prefer it this way. don't... beat me.. please?

Barmar Over a year ago

No problem, but consider yourself on notice :)

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