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Trying out Kivy

Started byCecil Westerhof <Cecil@decebal.nl>
First post2015-11-13 17:33 +0100
Last post2015-11-13 18:50 +0100
Articles 11 — 4 participants

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Contents

  Trying out Kivy Cecil Westerhof <Cecil@decebal.nl> - 2015-11-13 17:33 +0100
    Re: Trying out Kivy Michael Torrie <torriem@gmail.com> - 2015-11-13 10:21 -0700
      Re: Trying out Kivy Cecil Westerhof <Cecil@decebal.nl> - 2015-11-13 19:30 +0100
        Re: Trying out Kivy Michael Torrie <torriem@gmail.com> - 2015-11-13 12:53 -0700
          Re: Trying out Kivy Cecil Westerhof <Cecil@decebal.nl> - 2015-11-13 21:10 +0100
            Re: Trying out Kivy bayang <wabayang@gmail.com> - 2015-11-13 22:11 +0100
            Re: Trying out Kivy Cecil Westerhof <Cecil@decebal.nl> - 2015-11-14 12:51 +0100
              Re: Trying out Kivy bayang <wabayang@gmail.com> - 2015-11-14 13:42 +0100
              Re: Trying out Kivy Michael Torrie <torriem@gmail.com> - 2015-11-14 08:43 -0700
    Re: Trying out Kivy Terry Reedy <tjreedy@udel.edu> - 2015-11-13 12:23 -0500
    Re: Trying out Kivy bayang <wabayang@gmail.com> - 2015-11-13 18:50 +0100

#98749 — Trying out Kivy

FromCecil Westerhof <Cecil@decebal.nl>
Date2015-11-13 17:33 +0100
SubjectTrying out Kivy
Message-ID<871tbt3lml.fsf@Equus.decebal.nl>
I tried out the ‘standard’ Kivy application:
============================================================
from kivy.app import App
from kivy.uix.button import Button

class TestApp(App):
    def build(self):
        return Button(text='Hello World')

TestApp().run()
============================================================

When using python2 I see some exceptions and OSErrors, but it runs.

When using python3 I get:
    [CRITICAL          ] [Text        ] Unable to find any valuable Text provider at all!
    pygame - ImportError: No module named 'pygame'
      File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
        fromlist=[modulename], level=0)
      File "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pygame.py", line 12, in <module>
        import pygame

    pil - ImportError: No module named 'PIL'
      File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
        fromlist=[modulename], level=0)
      File "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pil.py", line 8, in <module>
        from PIL import Image, ImageFont, ImageDraw

    [CRITICAL          ] [App         ] Unable to get a Text provider, abort.

I tried to install pygame and PIL with pip3, but that did not find
anything. Is there another way to install those dependencies?

But more importantly: can I develop with python3 for the Android?
Because the primary reason to use Kivy is to develop applications for Android.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#98752

FromMichael Torrie <torriem@gmail.com>
Date2015-11-13 10:21 -0700
Message-ID<mailman.294.1447435298.16136.python-list@python.org>
In reply to#98749
On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
> I tried to install pygame and PIL with pip3, but that did not find
> anything. 

The replacement for PIL is called Pillow.  I'm not sure if it's a
drop-in replacement or not.  If it's not, then you'd have to modify Kivy
to import from Pillow.  Pillow does support Python3.

> Is there another way to install those dependencies?

Did you do a search to find out a) if PyGame supports Python3 (it does)
and b) where to go to download the source code for it? (their home page)?

PyPi is nice, but it's not the only place you can get useful Python
modules from.

> But more importantly: can I develop with python3 for the Android?
> Because the primary reason to use Kivy is to develop applications for Android.

Again, did you do a quick Google search?

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#98755

FromCecil Westerhof <Cecil@decebal.nl>
Date2015-11-13 19:30 +0100
Message-ID<87pozd21nb.fsf@Equus.decebal.nl>
In reply to#98752
On Friday 13 Nov 2015 18:21 CET, Michael Torrie wrote:

> On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
>> I tried to install pygame and PIL with pip3, but that did not find
>> anything. 
>
> The replacement for PIL is called Pillow. I'm not sure if it's a
> drop-in replacement or not. If it's not, then you'd have to modify
> Kivy to import from Pillow. Pillow does support Python3.

After installing Pillow the error about PIL disappeared, but I got new
errors about bcm and x11.


>> Is there another way to install those dependencies?
>
> Did you do a search to find out a) if PyGame supports Python3 (it
> does) and b) where to go to download the source code for it? (their
> home page)?
>
> PyPi is nice, but it's not the only place you can get useful Python
> modules from.
>
>> But more importantly: can I develop with python3 for the Android?
>> Because the primary reason to use Kivy is to develop applications
>> for Android.
>
> Again, did you do a quick Google search?

I did. But I did not find specifics about the version of Python.

Well, maybe I should first play a bit with Kivy and if it is the way
to go, I delve into the python3 bit.

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#98760

FromMichael Torrie <torriem@gmail.com>
Date2015-11-13 12:53 -0700
Message-ID<mailman.300.1447444435.16136.python-list@python.org>
In reply to#98755
On 11/13/2015 11:30 AM, Cecil Westerhof wrote:
> On Friday 13 Nov 2015 18:21 CET, Michael Torrie wrote:
> 
>> On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
>>> I tried to install pygame and PIL with pip3, but that did not find
>>> anything. 
>>
>> The replacement for PIL is called Pillow. I'm not sure if it's a
>> drop-in replacement or not. If it's not, then you'd have to modify
>> Kivy to import from Pillow. Pillow does support Python3.
> 
> After installing Pillow the error about PIL disappeared, but I got new
> errors about bcm and x11.

Traceback?

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#98763

FromCecil Westerhof <Cecil@decebal.nl>
Date2015-11-13 21:10 +0100
Message-ID<87lha11wz4.fsf@Equus.decebal.nl>
In reply to#98760
On Friday 13 Nov 2015 20:53 CET, Michael Torrie wrote:

> On 11/13/2015 11:30 AM, Cecil Westerhof wrote:
>> On Friday 13 Nov 2015 18:21 CET, Michael Torrie wrote:
>>
>>> On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
>>>> I tried to install pygame and PIL with pip3, but that did not
>>>> find anything.
>>>
>>> The replacement for PIL is called Pillow. I'm not sure if it's a
>>> drop-in replacement or not. If it's not, then you'd have to modify
>>> Kivy to import from Pillow. Pillow does support Python3.
>>
>> After installing Pillow the error about PIL disappeared, but I got
>> new errors about bcm and x11.
>
> Traceback?

Purge log fired. Analysing...
Purge finished!
[INFO              ] [Logger      ] Record log in /home/cecil/.kivy/logs/kivy_15-11-13_28.txt
[INFO              ] [Kivy        ] v1.9.0
[INFO              ] [Python      ] v3.4.1 (default, May 23 2014, 17:48:28) [GCC]
[INFO              ] [Factory     ] 173 symbols loaded
[INFO              ] [Image       ] Providers: img_tex, img_dds, img_gif, img_pil (img_pygame, img_ffpyplayer ignored)
[INFO              ] [Text        ] Provider: pil(['text_pygame'] ignored)
[CRITICAL          ] [Window      ] Unable to find any valuable Window provider at all!
egl_rpi - ImportError: cannot import name 'bcm'
  File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
    fromlist=[modulename], level=0)
  File "/usr/lib64/python3.4/site-packages/kivy/core/window/window_egl_rpi.py", line 12, in <module>
    from kivy.lib.vidcore_lite import bcm, egl

pygame - ImportError: No module named 'pygame'
  File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
    fromlist=[modulename], level=0)
  File "/usr/lib64/python3.4/site-packages/kivy/core/window/window_pygame.py", line 8, in <module>
    import pygame

x11 - ImportError: No module named 'kivy.core.window.window_x11'
  File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
    fromlist=[modulename], level=0)

[CRITICAL          ] [App         ] Unable to get a Window, abort.
 Exception ignored in: 'kivy.properties.dpi2px'
 Traceback (most recent call last):
   File "/usr/lib64/python3.4/site-packages/kivy/utils.py", line 360, in __get__
     retval = self.func(inst)
   File "/usr/lib64/python3.4/site-packages/kivy/metrics.py", line 169, in dpi
     EventLoop.ensure_window()
   File "/usr/lib64/python3.4/site-packages/kivy/base.py", line 126, in ensure_window
     sys.exit(1)
 SystemExit: 1
[CRITICAL          ] [App         ] Unable to get a Window, abort.


I see a difference with python2. (Did not notice it before.) With
python3 v1.9.0 is installed, but with python2 v1.8.0.
    [INFO              ] Kivy v1.8.0

Maybe that is the problem?

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#98769

Frombayang <wabayang@gmail.com>
Date2015-11-13 22:11 +0100
Message-ID<mailman.308.1447449099.16136.python-list@python.org>
In reply to#98763
Le 13/11/2015 21:10, Cecil Westerhof a écrit :
> Purge log fired. Analysing...
> Purge finished!
> [INFO              ] [Logger      ] Record log in /home/cecil/.kivy/logs/kivy_15-11-13_28.txt
> [INFO              ] [Kivy        ] v1.9.0
> [INFO              ] [Python      ] v3.4.1 (default, May 23 2014, 17:48:28) [GCC]
> [INFO              ] [Factory     ] 173 symbols loaded
> [INFO              ] [Image       ] Providers: img_tex, img_dds, img_gif, img_pil (img_pygame, img_ffpyplayer ignored)
> [INFO              ] [Text        ] Provider: pil(['text_pygame'] ignored)
> [CRITICAL          ] [Window      ] Unable to find any valuable Window provider at all!
> egl_rpi - ImportError: cannot import name 'bcm'
>    File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
>      fromlist=[modulename], level=0)
>    File "/usr/lib64/python3.4/site-packages/kivy/core/window/window_egl_rpi.py", line 12, in <module>
>      from kivy.lib.vidcore_lite import bcm, egl
>
> pygame - ImportError: No module named 'pygame'
>    File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
>      fromlist=[modulename], level=0)
>    File "/usr/lib64/python3.4/site-packages/kivy/core/window/window_pygame.py", line 8, in <module>
>      import pygame
>
> x11 - ImportError: No module named 'kivy.core.window.window_x11'
>    File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
>      fromlist=[modulename], level=0)
>
> [CRITICAL          ] [App         ] Unable to get a Window, abort.
>   Exception ignored in: 'kivy.properties.dpi2px'
>   Traceback (most recent call last):
>     File "/usr/lib64/python3.4/site-packages/kivy/utils.py", line 360, in __get__
>       retval = self.func(inst)
>     File "/usr/lib64/python3.4/site-packages/kivy/metrics.py", line 169, in dpi
>       EventLoop.ensure_window()
>     File "/usr/lib64/python3.4/site-packages/kivy/base.py", line 126, in ensure_window
>       sys.exit(1)
>   SystemExit: 1
> [CRITICAL          ] [App         ] Unable to get a Window, abort.
>
>
> I see a difference with python2. (Did not notice it before.) With
> python3 v1.9.0 is installed, but with python2 v1.8.0.
>      [INFO              ] Kivy v1.8.0
>
> Maybe that is the problem?
>
Pygame doesn't seem to be correctly installed.
check this : http://www.pygame.org/wiki/CompileUbuntu#Python_3.x
in "installing pygame with pip" part.
Install dependencies first, then
pip install hg+http://bitbucket.org/pygame/pygame

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#98802

FromCecil Westerhof <Cecil@decebal.nl>
Date2015-11-14 12:51 +0100
Message-ID<87d1vc23zp.fsf@Equus.decebal.nl>
In reply to#98763
On Friday 13 Nov 2015 21:10 CET, Cecil Westerhof wrote:

> On Friday 13 Nov 2015 20:53 CET, Michael Torrie wrote:
>
>> On 11/13/2015 11:30 AM, Cecil Westerhof wrote:
>>> On Friday 13 Nov 2015 18:21 CET, Michael Torrie wrote:
>>>
>>>> On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
>>>>> I tried to install pygame and PIL with pip3, but that did not
>>>>> find anything.
>>>>
>>>> The replacement for PIL is called Pillow. I'm not sure if it's a
>>>> drop-in replacement or not. If it's not, then you'd have to
>>>> modify Kivy to import from Pillow. Pillow does support Python3.
>>>
>>> After installing Pillow the error about PIL disappeared, but I got
>>> new errors about bcm and x11.
>>
>> Traceback?
>
> Purge log fired. Analysing... Purge finished! [INFO ] [Logger ]
> Record log in /home/cecil/.kivy/logs/kivy_15-11-13_28.txt [INFO ]
> [Kivy ] v1.9.0 [INFO ] [Python ] v3.4.1 (default, May 23 2014,
> 17:48:28) [GCC] [INFO ] [Factory ] 173 symbols loaded [INFO ] [Image
> ] Providers: img_tex, img_dds, img_gif, img_pil (img_pygame,
> img_ffpyplayer ignored) [INFO ] [Text ] Provider:
> pil(['text_pygame'] ignored) [CRITICAL ] [Window ] Unable to find
> any valuable Window provider at all! egl_rpi - ImportError: cannot
> import name 'bcm' File
> "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57,
> in core_select_lib fromlist=[modulename], level=0) File
> "/usr/lib64/python3.4/site-packages/kivy/core/window/window_egl_rpi.py",
> line 12, in <module> from kivy.lib.vidcore_lite import bcm, egl
>
> pygame - ImportError: No module named 'pygame' File
> "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57,
> in core_select_lib fromlist=[modulename], level=0) File
> "/usr/lib64/python3.4/site-packages/kivy/core/window/window_pygame.py",
> line 8, in <module> import pygame
>
> x11 - ImportError: No module named 'kivy.core.window.window_x11'
> File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py",
> line 57, in core_select_lib fromlist=[modulename], level=0)
>
> [CRITICAL ] [App ] Unable to get a Window, abort. Exception ignored
> in: 'kivy.properties.dpi2px' Traceback (most recent call last): File
> "/usr/lib64/python3.4/site-packages/kivy/utils.py", line 360, in
> __get__ retval = self.func(inst) File
> "/usr/lib64/python3.4/site-packages/kivy/metrics.py", line 169, in
> dpi EventLoop.ensure_window() File
> "/usr/lib64/python3.4/site-packages/kivy/base.py", line 126, in
> ensure_window sys.exit(1) SystemExit: 1 [CRITICAL ] [App ] Unable to
> get a Window, abort.
>
>
> I see a difference with python2. (Did not notice it before.) With
> python3 v1.9.0 is installed, but with python2 v1.8.0.
> [INFO              ] Kivy v1.8.0
>
> Maybe that is the problem?

I tried to install v1.8.0 with:
    pip3 install -I kivy==1.8.0

But that gives:
    building 'kivy.graphics.shader' extension

    gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC -I/usr/include/python3.4m -c /tmp/pip_build_root/kivy/kivy/graphics/shader.c -o build/temp.linux-x86_64-3.4/tmp/pip_build_root/kivy/kivy/graphics/shader.o

    /tmp/pip_build_root/kivy/kivy/graphics/shader.c:1:2: error: #error Do not use this file, it is the result of a failed Cython compilation.

     #error Do not use this file, it is the result of a failed Cython compilation.

      ^



     Error compiling Cython file:

     ------------------------------------------------------------

     ...

                 vertex_format.last_shader = self

                 for i in xrange(vertex_format.vattr_count):

                     attr = &vertex_format.vattr[i]

                     if attr.per_vertex == 0:

                         continue

                     attr.index = glGetAttribLocation(self.program, <char *><bytes>attr.name)

                                                                   ^

     ------------------------------------------------------------



     kivy/graphics/shader.pyx:448:63: Casting temporary Python object to non-numeric non-Python type

     error: command 'gcc' failed with exit status 1

    ----------------------------------------
    Cleaning up...
    Command /usr/bin/python3 -c "import setuptools, tokenize;__file__='/tmp/pip_build_root/kivy/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-hvd8j0e_-record/install-rec

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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#98806

Frombayang <wabayang@gmail.com>
Date2015-11-14 13:42 +0100
Message-ID<mailman.325.1447504985.16136.python-list@python.org>
In reply to#98802
Le 14 nov. 2015 13:00, "Cecil Westerhof" <Cecil@decebal.nl> a écrit :
>
> On Friday 13 Nov 2015 21:10 CET, Cecil Westerhof wrote:
>
> > On Friday 13 Nov 2015 20:53 CET, Michael Torrie wrote:
> >
> >> On 11/13/2015 11:30 AM, Cecil Westerhof wrote:
> >>> On Friday 13 Nov 2015 18:21 CET, Michael Torrie wrote:
> >>>
> >>>> On 11/13/2015 09:33 AM, Cecil Westerhof wrote:
> >>>>> I tried to install pygame and PIL with pip3, but that did not
> >>>>> find anything.
> >>>>
> >>>> The replacement for PIL is called Pillow. I'm not sure if it's a
> >>>> drop-in replacement or not. If it's not, then you'd have to
> >>>> modify Kivy to import from Pillow. Pillow does support Python3.
> >>>
> >>> After installing Pillow the error about PIL disappeared, but I got
> >>> new errors about bcm and x11.
> >>
> >> Traceback?
> >
> > Purge log fired. Analysing... Purge finished! [INFO ] [Logger ]
> > Record log in /home/cecil/.kivy/logs/kivy_15-11-13_28.txt [INFO ]
> > [Kivy ] v1.9.0 [INFO ] [Python ] v3.4.1 (default, May 23 2014,
> > 17:48:28) [GCC] [INFO ] [Factory ] 173 symbols loaded [INFO ] [Image
> > ] Providers: img_tex, img_dds, img_gif, img_pil (img_pygame,
> > img_ffpyplayer ignored) [INFO ] [Text ] Provider:
> > pil(['text_pygame'] ignored) [CRITICAL ] [Window ] Unable to find
> > any valuable Window provider at all! egl_rpi - ImportError: cannot
> > import name 'bcm' File
> > "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57,
> > in core_select_lib fromlist=[modulename], level=0) File
> > "/usr/lib64/python3.4/site-packages/kivy/core/window/window_egl_rpi.py",
> > line 12, in <module> from kivy.lib.vidcore_lite import bcm, egl
> >
> > pygame - ImportError: No module named 'pygame' File
> > "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57,
> > in core_select_lib fromlist=[modulename], level=0) File
> > "/usr/lib64/python3.4/site-packages/kivy/core/window/window_pygame.py",
> > line 8, in <module> import pygame
> >
> > x11 - ImportError: No module named 'kivy.core.window.window_x11'
> > File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py",
> > line 57, in core_select_lib fromlist=[modulename], level=0)
> >
> > [CRITICAL ] [App ] Unable to get a Window, abort. Exception ignored
> > in: 'kivy.properties.dpi2px' Traceback (most recent call last): File
> > "/usr/lib64/python3.4/site-packages/kivy/utils.py", line 360, in
> > __get__ retval = self.func(inst) File
> > "/usr/lib64/python3.4/site-packages/kivy/metrics.py", line 169, in
> > dpi EventLoop.ensure_window() File
> > "/usr/lib64/python3.4/site-packages/kivy/base.py", line 126, in
> > ensure_window sys.exit(1) SystemExit: 1 [CRITICAL ] [App ] Unable to
> > get a Window, abort.
> >
> >
> > I see a difference with python2. (Did not notice it before.) With
> > python3 v1.9.0 is installed, but with python2 v1.8.0.
> > [INFO              ] Kivy v1.8.0
> >
> > Maybe that is the problem?
>
> I tried to install v1.8.0 with:
>     pip3 install -I kivy==1.8.0
>
> But that gives:
>     building 'kivy.graphics.shader' extension
>
>     gcc -pthread -Wno-unused-result -Werror=declaration-after-statement
-DNDEBUG -fmessage-length=0 -grecord-gcc-switches -O2 -Wall
-D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables
-fasynchronous-unwind-tables -g -DOPENSSL_LOAD_CONF -fPIC
-I/usr/include/python3.4m -c
/tmp/pip_build_root/kivy/kivy/graphics/shader.c -o
build/temp.linux-x86_64-3.4/tmp/pip_build_root/kivy/kivy/graphics/shader.o
>
>     /tmp/pip_build_root/kivy/kivy/graphics/shader.c:1:2: error: #error Do
not use this file, it is the result of a failed Cython compilation.
>
>      #error Do not use this file, it is the result of a failed Cython
compilation.
>
>       ^
>
>
>
>      Error compiling Cython file:
>
>      ------------------------------------------------------------
>
>      ...
>
>                  vertex_format.last_shader = self
>
>                  for i in xrange(vertex_format.vattr_count):
>
>                      attr = &vertex_format.vattr[i]
>
>                      if attr.per_vertex == 0:
>
>                          continue
>
>                      attr.index = glGetAttribLocation(self.program, <char
*><bytes>attr.name)
>
>                                                                    ^
>
>      ------------------------------------------------------------
>
>
>
>      kivy/graphics/shader.pyx:448:63: Casting temporary Python object to
non-numeric non-Python type
>
>      error: command 'gcc' failed with exit status 1
>
>     ----------------------------------------
>     Cleaning up...
>     Command /usr/bin/python3 -c "import setuptools,
tokenize;__file__='/tmp/pip_build_root/kivy/setup.py';exec(compile(getattr(tokenize,
'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))"
install --record /tmp/pip-hvd8j0e_-record/install-rec
>
> --
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
> --
> https://mail.python.org/mailman/listinfo/python-list

The latest cython version is for kivy 1.9. For kivy 1.8 you must use an
older cython version.  Check kivy website. That's why you get compiling
errors

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#98812

FromMichael Torrie <torriem@gmail.com>
Date2015-11-14 08:43 -0700
Message-ID<mailman.328.1447515823.16136.python-list@python.org>
In reply to#98802
On 11/14/2015 04:51 AM, Cecil Westerhof wrote:
> I tried to install v1.8.0 with:
>     pip3 install -I kivy==1.8.0

Why are you trying to install the non-current version of kivy?

Did you install pygame successfully?

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#98753

FromTerry Reedy <tjreedy@udel.edu>
Date2015-11-13 12:23 -0500
Message-ID<mailman.295.1447435442.16136.python-list@python.org>
In reply to#98749
On 11/13/2015 11:33 AM, Cecil Westerhof wrote:
> I tried out the ‘standard’ Kivy application:
> ============================================================
> from kivy.app import App
> from kivy.uix.button import Button
>
> class TestApp(App):
>      def build(self):
>          return Button(text='Hello World')
>
> TestApp().run()
> ============================================================
>
> When using python2 I see some exceptions and OSErrors, but it runs.
>
> When using python3 I get:
>      [CRITICAL          ] [Text        ] Unable to find any valuable Text provider at all!
>      pygame - ImportError: No module named 'pygame'
>        File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
>          fromlist=[modulename], level=0)
>        File "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pygame.py", line 12, in <module>
>          import pygame
>
>      pil - ImportError: No module named 'PIL'
>        File "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, in core_select_lib
>          fromlist=[modulename], level=0)
>        File "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pil.py", line 8, in <module>
>          from PIL import Image, ImageFont, ImageDraw
>
>      [CRITICAL          ] [App         ] Unable to get a Text provider, abort.
>
> I tried to install pygame and PIL with pip3, but that did not find

Use pillow rather than PIL.  API is same.  Don't know about rest of your 
question.

> anything. Is there another way to install those dependencies?
>
> But more importantly: can I develop with python3 for the Android?
> Because the primary reason to use Kivy is to develop applications for Android.
>


-- 
Terry Jan Reedy

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#98754

Frombayang <wabayang@gmail.com>
Date2015-11-13 18:50 +0100
Message-ID<mailman.296.1447437062.16136.python-list@python.org>
In reply to#98749
Le 13/11/2015 18:23, Terry Reedy a écrit :
> On 11/13/2015 11:33 AM, Cecil Westerhof wrote:
>> I tried out the ‘standard’ Kivy application:
>> ============================================================
>> from kivy.app import App
>> from kivy.uix.button import Button
>>
>> class TestApp(App):
>>      def build(self):
>>          return Button(text='Hello World')
>>
>> TestApp().run()
>> ============================================================
>>
>> When using python2 I see some exceptions and OSErrors, but it runs.
>>
>> When using python3 I get:
>>      [CRITICAL          ] [Text        ] Unable to find any valuable 
>> Text provider at all!
>>      pygame - ImportError: No module named 'pygame'
>>        File 
>> "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, 
>> in core_select_lib
>>          fromlist=[modulename], level=0)
>>        File 
>> "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pygame.py", 
>> line 12, in <module>
>>          import pygame
>>
>>      pil - ImportError: No module named 'PIL'
>>        File 
>> "/usr/lib64/python3.4/site-packages/kivy/core/__init__.py", line 57, 
>> in core_select_lib
>>          fromlist=[modulename], level=0)
>>        File 
>> "/usr/lib64/python3.4/site-packages/kivy/core/text/text_pil.py", line 
>> 8, in <module>
>>          from PIL import Image, ImageFont, ImageDraw
>>
>>      [CRITICAL          ] [App         ] Unable to get a Text 
>> provider, abort.
>>
>> I tried to install pygame and PIL with pip3, but that did not find
>
> Use pillow rather than PIL.  API is same.  Don't know about rest of 
> your question.
>
>> anything. Is there another way to install those dependencies?
>>
>> But more importantly: can I develop with python3 for the Android?
>> Because the primary reason to use Kivy is to develop applications for 
>> Android.
>>
>
>
Got the same issue a few days ago with python3.
Installed pygame dependencies, installed pygame, installed pillow and 
everything went fine (using pip in virtualenv)

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