A possible solution is to compile pygame yourself on that machine. See the website for details, but its not very involved on ubuntu.
> On Nov 29, 2015, at 11:38, Brian Merchant <bhmerch...@gmail.com> wrote: > > Hi all, > > I am now on Ubuntu. I did not have this issue when running the same script on > Windows. > > Here's the error I am getting: > > File "/home/alien/cncell/core/animator.py", line 413, in > create_animation_from_data > pygame.image.save(screen, image_fp) > pygame.error: SavePNG: could not create png write struct > > > When `pygame.image.save` is first called, `libpng` produces the following > warning: > > > libpng warning: Application built with libpng-1.2.51 but running with 1.6.17 > > > Some things I have tried: > > 1) can I load PNGs? yes > > 2) results of `python -m pygame.tests`: > > ====================================================================== > FAIL: BaseModuleTest.test_get_error > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/base_test.py", > line 569, in test_get_error > e) > AssertionError: Failed to access the SoundFont > /usr/share/sounds/sf2/FluidR3_GM.sf2 > > ====================================================================== > FAIL: BaseModuleTest.test_set_error > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/base_test.py", > line 586, in test_set_error > e) > AssertionError: Failed to access the SoundFont > /usr/share/sounds/sf2/FluidR3_GM.sf2 > > ====================================================================== > ERROR: GL_ImageSave.test_image_save_works_with_opengl_surfaces > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/image__save_gl_surface_test.py", > line 37, in test_image_save_works_with_opengl_surfaces > pygame.image.save(screen, tmp_file) > error: SavePNG: could not create png write struct > > ====================================================================== > ERROR: ImageModuleTest.testSavePNG24 > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/image_test.py", > line 215, in testSavePNG24 > pygame.image.save(surf, f_path) > error: SavePNG: could not create png write struct > > ====================================================================== > ERROR: ImageModuleTest.testSavePNG32 > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/image_test.py", > line 184, in testSavePNG32 > pygame.image.save(surf, f_path) > error: SavePNG: could not create png write struct > > ====================================================================== > ERROR: ImageModuleTest.test_save > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/image_test.py", > line 248, in test_save > pygame.image.save(s, temp_filename) > error: SavePNG: could not create png write struct > > ====================================================================== > ERROR: ImageModuleTest.test_save_colorkey > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/image_test.py", > line 275, in test_save_colorkey > pygame.image.save(s, temp_filename) > error: SavePNG: could not create png write struct > > ====================================================================== > ERROR: ImageextModuleTest.test_save_unicode_path > ---------------------------------------------------------------------- > Traceback (most recent call last): > File > "/home/brian/anaconda2/lib/python2.7/site-packages/pygame/tests/imageext_test.py", > line 65, in test_save_unicode_path > imageext.save_extended(im, temp_file) > error: SavePNG: could not create png write struct > > ---------------------------------------------------------------------- > Ran 708 tests in 28.894s > > FAILED (failures=2, errors=6) > > The results of these tests makes me think that the issue is unlikely to be > due to issues specific to the porting of my code from Windows to Ubuntu (so > for instance, I have tried to fix pathnames, etc. wherever possible, and the > `pygame` tests should be platform independent, but still fail?). > > What should I do to fix this issue? > > Kind regards, > Brian > >
