should i switch to IPYTHON interpreter? What is the killer feature of it?
Christoph Becker-Freyseng
webmaster at beyond-thoughts.com
Wed Dec 10 10:01:01 EST 2003
Irmen de Jong wrote:
> Dang Griffith wrote:
>
>>>> Tab completion for keywords and methods etc (you can get this in the
>>>> standard python shell as well of course)
>>>
>>>
>>> You can? How?
>>>
>>> --Irmen
>>
>>
>>
>> Press tab after typing part of the keyword/method.
>
>
> Sean was talking about the 'standard python shell' so I tried
> the default python (2.3) on my mandrake 9.2 box.
> It doesn't work, it just inserts a tab character.
>
> --Irmen
>
You need an startup-file for python.
(I copied this together out of python-news-mail (thank you once again)
and some own ideas)
.pystartup in your home-dir
# Add auto-completion and a stored history file of commands to your Python
# interactive interpreter. Requires Python 2.0+, readline. Autocomplete is
# bound to the Esc key by default (you can change it - see readline docs).
#
# Store the file in ~/.pystartup, and set an environment variable to point
# to it, e.g. "export PYTHONSTARTUP=/max/home/itamar/.pystartup" in bash.
#
# Note that PYTHONSTARTUP does *not* expand "~", so you have to put in the
# full path to your home directory.
import atexit
import os
import readline
import rlcompleter
historyPath = os.path.expanduser("~/.pyhistory")
historyTmp = os.path.expanduser("~/.pyhisttmp.py")
endMarkerStr= "# # # histDUMP # # #"
saveMacro= "import readline;
readline.write_history_file('"+historyTmp+"'); print '####>>>>>>>>>>';
print ''.join(filter(lambda lineP: not
lineP.strip().endswith('"+endMarkerStr+"'),
open('"+historyTmp+"').readlines())[:])+'####<<<<<<<<<<'"+endMarkerStr
readline.parse_and_bind('tab: complete')
readline.parse_and_bind('\C-w: "'+saveMacro+'"')
def save_history(historyPath=historyPath, endMarkerStr=endMarkerStr):
import readline
readline.write_history_file(historyPath)
# Now filter out those line containing the saveMacro
lines= filter(lambda lineP, endMarkerStr=endMarkerStr: not
lineP.strip().endswith(endMarkerStr), open(historyPath).readlines())
open(historyPath, 'w+').write(''.join(lines))
if os.path.exists(historyPath):
readline.read_history_file(historyPath)
atexit.register(save_history)
del os, atexit, readline, rlcompleter, save_history, historyPath,
historyTmp, endMarkerStr, saveMacro
(I hope spaces will survive mailing)
Additionaly you need to
~# export PYTHONSTARTUP=/root/.pystartup
You can do this e.g. in .profile
Pressing tab completes the input like common unix-shells.
Pressing CTRL-w gives You an python code to print the history-file (or
parts of it -- there's a [:] in the command that You can replace by
[-50:]; which will give you the last 50 lines)
cu cbf
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