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NiLuJe · 07-12-2019, 12:08 AM

Okay! Here comes some news on the Python front. As some of you may be aware, Python 2 is scheduled to go supernova on the first of January 2020. Which means I ought to offer a Python 3 package before that EoL deadline...
Well, that's today. Because I'm extremely lazy, the Python packages will now intall *both* Python 2.7 & Python 3.7. Which means they're twice as large, and take twice as long to install. Eh.

Until the EoL, the python symlink still points to python2.7. I urge you to update your shebang if you have some code that's not Py3k-ready that's currently using a generic "python" shebang.
FWIW, *all* of the various Kindle bits I ship that need Python depend on Python 2. Thankfully, they were always using an explicit python2 shebang, so, nothing will horribly break at random one day

.

As far as 3rd-party modules go, when some/all of them start dropping Python 2 support, I'll simply freeze the Python 2 build to the latest supported version.

I've also updated the example code in FBInk's python bindings to behave properly on both Python versions.

On a slightly related note, because I had to vent my rage at Python's buildsystem somewhere, I worked on FBGrab: it's now much faster (some of that is actually achieved by making it go faster, and some of it by convincing libpng & zlib not to spend so much time on filtering & compression). (The standalone builds were also updated).

Anyway, obligatory finish-line shot:

On a PW2:

Code:

Python 3.7.3 (default, Jul 10 2019, 09:11:48) 
[GCC 7.4.1 20181213] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import platform
>>> platform.uname()
uname_result(system='Linux', node='kindle', release='3.0.35-lab126', version='#2 PREEMPT Tue Jul 24 06:43:56 PDT 2018', machine='armv7l', processor='')
>>>

Or, hell, even on a K2i:

Code:

Python 3.7.3 (default, Jul 11 2019, 05:54:06) 
[GCC 7.4.1 20181213] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import platform
>>> platform.uname()
uname_result(system='Linux', node='kindle', release='2.6.22.19-lab126', version='#3 PREEMPT Thu Jan 13 18:13:20 PST 2011', machine='armv6l', processor='')
>>>

PSA: This *requires* a recent MRPI version, so, do make sure you've successfully updated MRPI to the latest version *first*!

07-12-2019, 12:08 AM	#472
NiLuJe BLAM! Posts: 13,506 Karma: 26047202 Join Date: Jun 2010 Location: Paris, France Device: Kindle 2i, 3g, 4, 5w, PW, PW2, PW5; Kobo H2O, Forma, Elipsa, Sage, C2E	Okay! Here comes some news on the Python front. As some of you may be aware, Python 2 is scheduled to go supernova on the first of January 2020. Which means I ought to offer a Python 3 package before that EoL deadline... Well, that's today. Because I'm extremely lazy, the Python packages will now intall both Python 2.7 & Python 3.7. Which means they're twice as large, and take twice as long to install. Eh. Until the EoL, the python symlink still points to python2.7. I urge you to update your shebang if you have some code that's not Py3k-ready that's currently using a generic "python" shebang. FWIW, all of the various Kindle bits I ship that need Python depend on Python 2. Thankfully, they were always using an explicit python2 shebang, so, nothing will horribly break at random one day . As far as 3rd-party modules go, when some/all of them start dropping Python 2 support, I'll simply freeze the Python 2 build to the latest supported version. I've also updated the example code in FBInk's python bindings to behave properly on both Python versions. On a slightly related note, because I had to vent my rage at Python's buildsystem somewhere, I worked on FBGrab: it's now much faster (some of that is actually achieved by making it go faster, and some of it by convincing libpng & zlib not to spend so much time on filtering & compression). (The standalone builds were also updated). Anyway, obligatory finish-line shot: On a PW2: Code: Python 3.7.3 (default, Jul 10 2019, 09:11:48) [GCC 7.4.1 20181213] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import platform >>> platform.uname() uname_result(system='Linux', node='kindle', release='3.0.35-lab126', version='#2 PREEMPT Tue Jul 24 06:43:56 PDT 2018', machine='armv7l', processor='') >>> Or, hell, even on a K2i: Code: Python 3.7.3 (default, Jul 11 2019, 05:54:06) [GCC 7.4.1 20181213] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import platform >>> platform.uname() uname_result(system='Linux', node='kindle', release='2.6.22.19-lab126', version='#3 PREEMPT Thu Jan 13 18:13:20 PST 2011', machine='armv6l', processor='') >>> PSA: This requires a recent MRPI version, so, do make sure you've successfully updated MRPI to the latest version first! Last edited by NiLuJe; 07-18-2019 at 02:29 PM. Reason: Mention needing a recent MRPI version.