Re: `import wx` raising `AttributeError`

Hi Mario,

On Thu, Oct 17, 2019 at 6:41 PM Mario Lacunza <[email protected]> wrote:

> Thats not the REAL error, check below from my console:
>
> mario@pc:~$ python3
> Python 3.6.8 (default, Oct  7 2019, 12:59:55)
> [GCC 8.3.0] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import wx
> >>> __version__ = wx.__version__.VERSION_STRING
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> AttributeError: 'str' object has no attribute 'VERSION_STRING'
>
>
I think that what my users are reporting *is* a real error that happens on
`import wx`.  To be clear non of their code or my code is doing
`wx.__version__.VERSION_STRING` after `import wx`, which would indeed raise
the AttributeError you see because `wx.__version__` (which is a string) has
no attribute named `VERSION_STRING`.

But, `site-packages/wx/__init__.py` is (abbreviated but complete):

    import wx.__version__

    __version__ = wx.__version__.VERSION_STRING


    from wx.core import *


    del core

    del wx

That will import `wx/__version__.py` , a file which is a very simple set of
assignments and is, as Robin points out, generated at build time.  And then
it will overwrite `__version__` with the string that was the value of
`VERSION_STRING` in `wx/__version__.py`.

The traceback they sent to me shows an AttributeError in which `wx` doesn't
have an attribute `__version__`.
I don't understand how that happens.

Anyway, thanks!

--Matt

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