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Re: [O] [babel] python sessions
From: |
Eric Schulte |
Subject: |
Re: [O] [babel] python sessions |
Date: |
Sun, 03 Jul 2011 12:13:19 -0600 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Andrea Crotti <address@hidden> writes:
> Eric Schulte <address@hidden> writes:
>>
>> This is true, in addition to being a language which is dependent upon
>> whitespace characters, python has been tricky due to the many
>> independent inferior python modes (python.el, python-mode.el, etc...)
>> and to the fact that I personally and not very familiar with the
>> language.
>
> That is indeed a problem (also in cedet for example) and I really would
> like to have just one and working well python mode, not a thousand..
>
>From what I hear the situation should improve in Emacs24, as there is a
ground up re-write which should contain much of the functionality of
python-mode.el with the Emacs-amenable license of python.el.
>
>>
>> I've just pushed up a patch which should improve upon the python session
>> behavior. After this patch your example returns the following
>> results...
>>
>> #+begin_src python :session :results silent
>> def var(x):
>> return float(x ** 2)
>> #+end_src
>>
>> #+begin_src python :session :result value
>> def var2(x):
>> return x ** 2 * var(x)
>>
>> var2(10)
>> #+end_src
>>
>> #+results:
>> : 10000.0
>>
>
> That example now works like a charm
> But here still I get that string, but if I tangle the file I get the
> correct result, any idea?
>
The eoe string will only even appear in session output when there is no
other result returned by the code block. I've just pushed up a small
change which should fix this situation.
The eoe will never appear in tangled code as it is part of the
interactive session evaluation.
Best -- Eric
>
> #+begin_src python :session :tangle myset.py :results silent
> class MySetList(object):
>
> def __init__(self):
> self._set = []
>
> def add(self, el):
> if el not in self._set:
> self._set.append(el)
>
> # implementation of other typical set functions
> #+end_src
>
> #+begin_src python :session :tangle myset.py :results silent
> class MySetDict(object):
>
> def __init__(self):
> self._dic = {}
>
> def add(self, el):
> if el not in self._dic:
> # we only care about the keys
> self._dic[el] = None
> #+end_src
>
> #+begin_src python :session :tangle myset.py :results silent
> class MySetSet(object):
> def __init__(self):
> self._set = set()
>
> def add(self, el):
> self._set.add(el)
> #+end_src
>
>
> #+begin_src python :session :exports both :tangle myset.py
> import timeit
> import random
>
> NUM_ELS = 100
>
>
> def add_many_to_set(set_type):
> m = set_type()
> for i in range(NUM_ELS):
> m.add(i)
>
>
> def test_impl(set_type):
> to_import = """
> from __main__ import add_many_to_set
> from __main__ import %s"""
>
> name = set_type.__name__
> print("testing %s" % name)
> return timeit.timeit("add_many_to_set(%s)" % name,
> setup=(to_import % name))
>
>
> test_impl(MySetList), test_impl(MySetDict), test_impl(MySetSet)
>
> #+end_src
--
Eric Schulte
http://cs.unm.edu/~eschulte/