Auto updating a python executable generated with pyinstaller

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You can create a launcher application for your main application and add all the update logic there. The launcher application does the following:

Displays a pop up (this gives a quick feedback to the user that the program is loading)

Checks the local and repository versions

if local < remote (say v1.0 < v2.0) then:

…. Check at the remote repository for the existence of an updater application called updater_v2.0.exe.

…….. If there is one: download it run it and exit. (see bellow)

…….. If there is not: download the latest main application exe and replace the local one (beware of file access rights at this step — you’re trying to write to c:\program files).

if local > remote then:

…. Display an error/warning except if this is a developers workstation (you need a setting for this)

Start up the main application.

The purpose of the updater application is to accommodate cases where fetching a fresh main application exe is not enough. I also use it in order to update the launcher application itself (that’s why the launcher is exiting as soon as it runs the updater – BTW give windows a bit of time before trying to overwrite the laucher executable)

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