[Debichem-devel] Bug#868364: python-ase: Exporting png image file fails

[Jonathan Sutton]

Subject: python-ase: Exporting png image file fails
Package: python-ase
Version: 3.12.0-2
Tags: patch
Severity: normal

Dear Maintainer,

Attempting to save a png file results in a fatal exception due to an
incompatibility between the ASE code and a call to the matplotlib routine
actually responsible for saving the image file.

This bug has been fixed upstream and in testing, but a patch needs to be
applied
to the version in stable. To correct the bug, line 39 in ase/io/png.py
should be
changed from

  <                except TypeError:

to

  >                except (TypeError, ValueError):

The image quality is very bad, but that's a separate issue I haven't looked
into. It may be fixed upstream as well.

Jonathan Sutton

-- System Information:
Debian Release: 9.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-3-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8),
LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages python-ase depends on:
ii  python        2.7.13-2
ii  python-numpy  1:1.12.1-3
ii  python-scipy  0.18.1-2

Versions of packages python-ase recommends:
ii  python-gtk2        2.24.0-5.1
ii  python-matplotlib  2.0.0+dfsg1-2

Versions of packages python-ase suggests:
pn  python-ase-doc  <none>

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