How to check whether a file I want to open in my python 3.x program, is already opened by another program in windows?

Asked Jun 16 '20 at 20:44

Active Jun 16 '20 at 20:44

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I have made two python scripts. One will run always, another one will run when I start it. Suppose program A runs all time. I insert some information to a file through program B. Program A will check that file after some time and do the works according to instruction. I want to prevent the deadlock or dirty rear situation.

When I shall give input to the file, then program A will be unable to read that file. How can I do this in Python 3?

asked Jun 16 '20 at 20:44

Debtanu Gupta

You can use a [File Lock](https://stackoverflow.com/questions/489861/locking-a-file-in-python) by both programs to prevent simulations access. – Obenland Jun 16 '20 at 21:53
@Obenland thank you :) – Debtanu Gupta Jun 21 '20 at 16:01

How to check whether a file I want to open in my python 3.x program, is already opened by another program in windows?

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