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A Python application (having a permission to be executed by the user) doesn't start with double click on it. If I run it (directly, by ./theapp.pyw) in terminal I get ": No such file or directory" error (while there is no such a string in the application code and the file surely exists (renaming it and using a different name results in the same)).

But If I explicitly open it with Python (by issuing python ./theapp.pyw or right-clicking and choosing to open with Python 2.7) it works just fine.

The first line of the file says

#!/usr/bin/env python

Issuing "/usr/bin/env python" command launches Python 2.7 console.

The OS is XUbuntu Linux 11.10. The only Python installed is Ubuntu's default 2.7.

Any ideas?

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  • Dumb question perhaps, but what are the permissions? Commented Dec 17, 2011 at 21:51
  • See the first sentence, @nate, in the parentheses. Commented Dec 17, 2011 at 21:54

1 Answer 1

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pyw files are for windows http://filext.com/file-extension/PYW

And in windows the shebang line is ignored. Just work with the .py script.

You can also try creating a bash script that launches your python scripts with the specific flags that you want.

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1 Comment

dos2unix ./theapp.pyw solved the problem which seemed to be indeed in CR+LF line endings. I've mistakenly thought that .pyw extension was just meaning a GUI application (as opposed to a console script).

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