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Asked: 2026-05-11T01:41:58+00:00

I have a python application that relies on a file that is downloaded by

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I have a python application that relies on a file that is downloaded by a client from a website.

The website is not under my control and has no API to check for a ‘latest version’ of the file.

Is there a simple way to access the file (in python) via a URL and check it’s date (or size) without having to download it to the clients machine each time?

update: Thanks to those who mentioned the’last-modified’ date. This is the correct parameter to look at.

I guess I didn’t state the question well enough. How do I do this from a python script? I want to application to check the file and then download it if (last-modified date < current file date).

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1 Answer

  1. Check the Last-Modified header.

    EDIT: Try urllib2.

    EDIT 2: This short tutorial should give you a pretty good feel for accomplishing your goal.

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