Forum: Poser Python Scripting

Subject: Useful Code Snippets

structure opened this issue on Jun 27, 2019 · 94 posts

structure posted Sun, 27 March 2022 at 11:22 AM Forum Coordinator

Install a missing module from inside a running python script, and rerun the script (using rich as an example )

class basic_functions:

    def module_exists(self, module_name):

        from pkgutil import iter_modules

        return module_name in (name for loader, name, ispkg in iter_modules())

if basic_functions().module_exists("rich"):

    from rich.align import Align

    from rich.console import Console

else:

    try:

        from subprocess import check_call

        import os

        import sys

        check_call([sys.executable, "-m", "pip", "install", 'rich'])

        import importlib

        from rich.align import Align

        from rich.console import Console

        importlib.reload(rich)

        os.execv(sys.argv[0], sys.argv)

    except:

        pass

rich allows you to create outputs like this :

Locked Out