On 8/18/2012 3:05 AM, Maxim Philippov wrote:
суббота, 18 августа 2012 г., 0:51:46 UTC+4 пользователь Vlad Irnov написал:
There are plugins that implement REPL-like behavior:
http://www.vim.org/scripts/script.php?script_id=3484
http://www.vim.org/scripts/script.php?script_id=3327
http://www.vim.org/scripts/script.php?script_id=3231
and probably other.
It makes no sense for :python commands to behave differently from
other commands. That is, we currently need to type
:echo 2+2
to see the result, why :python should be different?
Though this scripts are useful, I think typing ":py 2+2" is more fluent (and maybe more
lightweight) than ":PyInteractiveEval 2+2" or running full REPL session.
We need to type ":echo 2+2" because of the vim's script syntax, ":4" by itself
is a command, there is no need for this in python.
Often I forget to call "print" because as a python user I expect expression
result to be printed automatically. It is difficult to switch from python REPL to vim's
current implementation, so why not have the best from both worlds? =)
A macro like
py3<<EOL
def python_with_print(*args):
global py_res
py_res=None
try:
eval(compile('py_res='+'
'.join(args),'<string>','exec'),globals())
except:
eval(compile(' '.join(args),'<string>','exec'),globals())
print(py_res)
EOL
command! -narg=* Py py3 python_with_print(<f-args>)
in $MYVIMRC
would allow you to write
:Py from math import *
:Py sin(30*pi/180)
an you would get results or None on the command line.
Regards,
Roland
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