[IPython-dev] Logging commands using the %logstart magic

[Thomas Kluyver]

Hi Phil,

logstart currently only captures Python return values as passed to
sys.displayhook(). We do have the necessary machinery to capture other
kinds of output: see IPython.utils.capture.capture_output().

Thomas

On 18 November 2014 09:53, Phil Elson <pelson.pub at gmail.com> wrote:

> Thanks Wes,
>
> I explicitly am not asking about the notebook, which I know does this
> admirably (and is what I would use too).
> I've been asked for command line behaviour from the (I)Python terminal
> which records input and output in an almost exact fashion to that of
> "%logstart", except logstart does not store stdout, only IPython displayed
> output.
>
> I haven't yet dug into the possibility of redirecting stdout to IPython
> out, or indeed directly out to file with the associated input, but I
> imagine there will be some buffering issues that I'd like not to have to
> deal with, if the functionality already exists in IPython.
>
> Cheers,
>
> On 18 November 2014 07:28, Wes Turner <wes.turner at gmail.com> wrote:
>
>> IPython notebook format docs:
>>
>>
>> IPython notebook nbformat v4 JSONSchema:
>>> https://github.com/minrk/ipython/blob/nbformat4/IPython/nbformat/v4/nbformat.v4.schema.json
>>> Metadata Documentation:
>>> https://github.com/minrk/ipython/blob/nbformat4/docs/source/notebook/nbformat.rst#metadata
>>> JSON-LD JSONSchema:
>>> https://github.com/json-ld/json-ld.org/blob/master/schemas/jsonld-schema.json
>>
>>
>> ( https://youtrack.jetbrains.com/issue/PY-14326 )
>>
>> On Mon, Nov 17, 2014 at 10:47 AM, Phil Elson <pelson.pub at gmail.com>
>> wrote:
>>
>>> I'm trying to replicate functionality found in IDL which generates
>>> something called "journal" files. Journal files in IDL are essentially a
>>> log of commands alongside the (commented out) output and themselves produce
>>> valid code.
>>>
>>> IPython's %logstart with the "-o" flag is almost exactly what I need,
>>> except it doesn't seem to record standard out (only IPython out):
>>>
>>> > ipython
>>> Python 2.7.6
>>> IPython 2.2.0 -- An enhanced Interactive Python.
>>>
>>> In [1]: %logstart -o testing_logging.py
>>> Activating auto-logging. Current session state plus future input saved.
>>> Filename       : testing_logging.py
>>> Mode           : backup
>>> Output logging : True
>>> Raw input log  : False
>>> Timestamping   : False
>>> State          : active
>>>
>>> In [2]: print 'Hello logging world non-IPython out!'
>>> Hello logging world non-IPython out!
>>>
>>> In [3]: 'Hello logging world IPython out!'
>>> Out[3]: 'Hello logging world IPython out!'
>>>
>>> In [4]: exit
>>>
>>> The resulting file looks like:
>>>
>>> # IPython log file
>>>
>>> print 'Hello logging world non-IPython out!'
>>> 'Hello logging world IPython out!'
>>> #[Out]# 'Hello logging world IPython out!'
>>> exit()
>>>
>>> Essentially I'd like the contents of the second input to be recorded as
>>> it is for the third.
>>>
>>> Before I go hacking around with the magic and sys.stdout, does anybody
>>> have a quick solution to this?
>>>
>>> Thanks,
>>>
>>> Phil
>>>
>>>
>>> _______________________________________________
>>> IPython-dev mailing list
>>> IPython-dev at scipy.org
>>> http://mail.scipy.org/mailman/listinfo/ipython-dev
>>>
>>>
>>
>>
>> --
>> Wes Turner
>> https://westurner.github.io/
>>
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>>
>>
>
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