Feature for testing the presence of dvipng#

sage.features.dvipng.all_features()[source]#
class sage.features.dvipng.dvipng(*args, **kwds)[source]#

Bases: Executable

A Feature describing the presence of dvipng

EXAMPLES:

sage: from sage.features.dvipng import dvipng
sage: dvipng().is_present()             # optional - dvipng
FeatureTestResult('dvipng', True)

from sage.features.dvipng import dvipng
dvipng().is_present()             # optional - dvipng
>>> from sage.all import *
>>> from sage.features.dvipng import dvipng
>>> dvipng().is_present()             # optional - dvipng
FeatureTestResult('dvipng', True)