Re: [Lcms-user] python-liblcms example code

[Marti M. <mar...@li...>]

Hi Sanford,

Actually your request, which is perfectly reasonable, enforces the 
decision of discontinuing the python wrapper. For example, in the old 
swig kludge there was no clean way to retrieve VCGT, or the strings for 
manufacturer, model and so. In lcms2 those strings may be localized so 
that made things even more complex. I realize scripting capabilities 
would be great, but still, I need to figure out a higher level API. This 
is not about python, rubi, TCL or whatever scripting language but a 
matter of creating a workable way to do the scripting. More to come on 
that...

Meanwhile, as Richard suggests, you could use colord as a full CMS (lcms 
despite its name is really only a CMM)

Good luck in your efforts
Regards
Marti


El 29/03/2013 21:04, Sanford Rockowitz escribió:
> Marti,
>
> Thank you for clarifying the status of python-lcms.    Perhaps you can 
> suggest an alternative for me.
>
> I'm trying to make sense of how colour is managed on my Linux systems 
> - the bookkeeping, so to speak.   Different programs save and search 
> for ICC files in different directories.   colord uses a sqlite 
> database.  Some programs such as dispcalGUI seem to try to "do the 
> right thing" depending on what other programs they find installed, 
> without publicly documenting their logic.   The Fedora version of 
> dispcalGUI behaves differently from the directly downloaded version.   
> Behaviour can vary depending on whether one logs in to a KDE, GNOME, 
> or MATE session on the same system. Often what documentation I find 
> describes how things used to be, not how they currently are.     The 
> same ICC file can appear in multiple locations, etc. etc.   Linux 
> colour management is a work in progress.
>
> After spending some time cross-referencing the documentation of which 
> programs access files where, looking at debug output, and peeking at 
> source code, I decided to write some Python scripts that inventory the 
> ICC files found on a system and the contents of the colord databases,  
> determine which profiles are actually loaded, etc.   I'm not trying to 
> apply transforms or anything like that, I just want to inspect ICC 
> files, asking questions like the manufacturer, model, and serial 
> number of the the profiled device, the measurement device used to 
> perform the profiling, whether the ICC file contains a VCGT field with 
> LUT data etc.   All things that the LittleCMS API does trivially.
>
> Can you suggest an alternative way for me to inspect an ICC file from 
> a scripting language, or do I need to be writing C code?
>
> Thanks again,
> Sanford
>
>
>
> On 03/29/2013 09:10 AM, Marti Maria wrote:
>> Hi,
>>
>> Since lcms 2.0 python is no longer supported. The lcms1 swig wrapper 
>> was indeed
>> a sort of bad joke, with very limited functionality. Maybe someday we 
>> would retake
>> python, but this is not in the short term schedule.
>>
>>
>> Regards
>> Marti
>>
>> El 28/03/2013 23:01, Sanford Rockowitz escribió:
>>> Can someone point to some instances of Python code (samples or a
>>> downloadable open source project) that uses python-liblcms to read
>>> information from an ICC profile?
>>>
>>> On my distros (Fedora, Ubuntu, SuSE), python-liblcms is for lcms 1.19;
>>> the only lcms C api doc I find is for 2.4; and I've no experience with
>>> SWIG generated stubs.  Combining all three factors, some sample code to
>>> look at would be very helpful in trying to use the package.
>>>
>>> Thanks.
>>>
>>> Sanford
>>>
>>>
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>
>