python-mode completion becomes unusably slow on OSX Yosemite

[feoh]

At first I thought perhaps it was iTerm2 (where performance is so bad you can literally wait seconds for the completions to occur) so I groaned and switched back to OSX Terminal.

It's still pretty bad there - I'd sincerely appreciate the opportunity to help debug this problem. I don't know VimL (yet :) but I bought the book. I know Python, and I love this tool :)

For instance, upon typing this line:

self.assertNotIn('Use the Raspberry Pi to build a robot', page_text)

it took vim/python-mode close to 40 seconds to actually 'render' the text and allow me to continue.

On the off chance someone else has seen this and knows of a fix though, I'd appreciate haring about that as well.

(FWIW I tried with stock OSX Python, homebrew Python 3 (shown here) stock OSX Vim, and homebrew built vim HEAD with python3 support (shown here))

Pymode diagnostic

VIM:704, OS: Darwin, multi_byte:1, pymode: 0.8.1, pymode-python: python3

+python: 0
+python3: 1

VIM python paths:

/Users/cpatti/.vim/bundle/python-mode/pymode/libs/pylama/lint/pylama_pyflakes
/Users/cpatti/.vim/bundle/python-mode/pymode/libs3
/Users/cpatti/.vim/bundle/python-mode/pymode/libs
/Users/cpatti/.vim/bundle/python-mode
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/setupto
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/pip-6.0
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python34.zip
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4/plat-darwin
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4/lib-dynload
/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages
_vim_path_

Pymode variables:

let pymode = 1
let pymode_breakpoint = 1
let pymode_breakpoint_bind = 'b'
let pymode_doc = 1
let pymode_doc_bind = 'K'
let pymode_folding = 1
let pymode_indent = 1
let pymode_lint = 1
let pymode_lint_checkers = ['pyflakes', 'pep8', 'mccabe']
let pymode_lint_cwindow = 1
let pymode_lint_ignore = ''
let pymode_lint_message = 1
let pymode_lint_on_fly = 0
let pymode_lint_on_write = 1
let pymode_lint_select = ''
let pymode_lint_signs = 1
let pymode_motion = 1
let pymode_options = 1
let pymode_paths = []
let pymode_quickfix_maxheight = 6
let pymode_quickfix_minheight = 3
let pymode_rope = 1
let pymode_run = 1
let pymode_run_bind = 'r'
let pymode_trim_whitespaces = 1
let pymode_virtualenv = 1
let pymode_virtualenv_enabled = ''
let pymode_virtualenv_path = ''

[krader1961]

This has nothing to do with the terminal emulator you're using (I too use iTerm2 on Mac OS X). The delay is due to the Rope refactoring plugin: http://rope.sourceforge.net/. I disable it with

let g:pymode_rope=0

in my $HOME/.vim/vimrc. My feeling is that if you want that level of handholding you're better off using a real Python IDE such as Wingware or PyCHARM. I would probably disable it even if it wasn't so painfully slow as I'm old school (I started programming when punched cards were still in widespread use :-)

[feoh]

@krader1961 I don't care much about refactoring, but the nice code completions that plugins offered were an awfully big productivity boost from where I sit.

Thanks, at least disabling it got me working. I'll go report a bug over there and see where I get :)

[feoh]

Issue report over there in case anybody else suffering the same problem googles and cares to track. @krader1961 whether you use it or not I'd love a +1 to let the rope folks know I'm not just a crackpot who can't get his config together :)

https://github.com/python-rope/ropevim/issues/39

[Telling]

@krader1961 is right, that this issue is coursed by rope. But I think the issue lies with the version of Rope bundled with python-mode. I just installed the python-mode found in this pull request and my completion is now as fast as ever.

[feoh]

@Telling That works great! Thanks! I just changed the klen/python-mode neobundle ref in my .vimrc to:

NeoBundle 'TFenby/python-mode', { 'branch' : 'develop' }

and it works famously! Thank you! Hopefully at some point the author will merge your PR :)

[centsent]

Slow while saving files on OSX Yosemite using macvim, don't know why, just get below message:

[Pymode] Found errors and warning: 0

[klen]

Try the last development version.