2016-03-19 19:38 GMT+03:00 rameo <raiwil@gmail.com>:
> I have a VIM function with a lot of code written in python.
>
> There are many loops and sub-loops with this kind of code:
>
> if this
> exit
> else
> do this
>
> Does anyone know how to exit the python code and return to vim?
> (or even better "how to exit the function from within python code?")
> sys.exit() and exit() doesn't work.
It is better to wrap everything into a function placed in a Python
module placed somewhere in {runtimepath}/python2. Note that whatever
you have written in your big function *it is placed in the global
scope*, available by every plugin. :pyfile command is by no means
different, it is literally using :python command on the whole file. So
best practice is a separate module (which has its own scope) with only
a few imported things (either some function from the module or module
itself) which all contain plugin name as a prefix: everything to avoid
possible name conflicts or breakage of plugins which use Python, but
do not follow best practices. Module is imported using a regular
`:python import myplugin` or `:python from myplugin import foo as
myplugin_foo` command, no :pyfile.
In addition to regular early return for exiting from the deep
functions hierarchy there are exceptions, but I do not remember any
time I needed to use them as a longjump except for breaking in case of
error. Needs try/except at the top, but this is easy to do.
>
>
>
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