Fwd: Unable to get omnicomplete to work for Python 3.4.3.

On Fri, Mar 6, 2015 at 9:50 AM, Ben Fritz <fritzophrenic@gmail.com> wrote:
> On Friday, March 6, 2015 at 9:47:03 AM UTC-6, Ben Fritz wrote:
>> On Friday, March 6, 2015 at 9:35:25 AM UTC-6, boB Stepp wrote:
>> > On Fri, Mar 6, 2015 at 1:05 AM, Christian Brabandt <cblists@256bit.org> wrote:
>> > > Hi boB!
>> > >
>> > > On Fr, 06 Mär 2015, boB Stepp wrote:
>> > >
>> > >> I am very new to Vim and am in the process of setting up Vim for use
>> > >> as my Python 3 editing environment as I continue to work on learning
>> > >> Python. I thought it would be nice to use omnicompletion and have been
>> > >> struggling to get it to work. A portion of my Vim version
>> > >> information::
>> > >>
>> > >> VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Mar 2 2015 21:15:22)
>> > >> MS-Windows 64-bit GUI version with OLE support
>> > >> Included patches: 1-648
>> > >> Compiled by hp@HP-PC
>> > >> Huge version with GUI. Features included (+) or not (-):
>> > >> +acl +digraphs +libcall +profile
>> > >> +textobjects
>> > >> +arabic +directx +linebreak
>> > >> +python/dyn +title
>> > >> +autocmd -dnd +lispindent +python3/dyn
>> > >>
>> > >> I am using 64-bit Vim 7.4, 64-bit Win7, and 64-bit Python 3.4.3. If I type:
>> > >>
>> > >> :python3 import sys; print(sys.version)
>> > >>
>> > >> I get
>> > >>
>> > >> 3.4.3 (v3.4.3:9b73f1c3e601, Feb 24 2015, 22:44:40) [MSC v.1600 64 bit (AMD64)]
>> > >>
>>
>> I see your Vim is compiled with dynamic python3 support.
>>
>> You're on Windows. Does the DLL version match what Vim was compiled with? Later in the version information, my Vim with Python 2 has "-DDYNAMIC_PYTHON_DLL=\"python27.dll\"". Does yours have something similar for Python 3, and does it match your installed python 3 DLL? Is this python 3 DLL somewhere on your system path where Vim can find it?
>
> Oh, whoops. I wrote without fully reading again. It looks like your Vim is fully capable of running :python3 commands.
>
> However the error message you are getting from your plugin is saying you don't have python support. Perhaps it is looking for python 2 support instead of python 3 for some reason? If I understand correctly Vim cannot run both python 2 and python 3 at the same time; if you have a mix of python versions used in your plugins then it will not work.

How can I answer this question? So far I have installed Git, Pathogen
and a collection of various color schemes. Anything else was already
bundled with Vim.

My initial thoughts were:

1) As far as I can tell, my Vim installation is finding my Python
3 installation. But on the recommendation of an article linked to from
the Vim I moved the autoload folder from where it originally was to
$HOME\Vim\vimfiles\autoload . This seems to be where the
pythoncomplete.vim and python3complete.vim files are stored. Could it
be Vim is not properly accessing these any more? Is there some type of
path setting to the autoload folder that might need to be reset?

2) Prior to installing Vim, I had both Python 2.7 and Python 3.4
installed. AFTER having installed Vim, I decided to uninstall Python
2.7. After I had done so I could no longer type into the Vim command
line "python3 print("whatever...")" and get a non-error result.
Because of this I uninstalled Python 3.4.2, checked the Python site to
see if they had released a newer release, which they did, and
installed 3.4.3. This recovered my ability to type in Python commands
in the Vim command line and get an error-free result. Could this have
mangled something?

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