Features for testing the presence of graphviz¶
- class sage.features.graphviz.Graphviz(*args, **kwds)[source]¶
- Bases: - JoinFeature- A - Featuredescribing the presence of the- dot,- neato, and- twopiexecutables from the graphviz package.- EXAMPLES: - sage: from sage.features.graphviz import Graphviz sage: Graphviz().is_present() # optional - graphviz FeatureTestResult('graphviz', True) - >>> from sage.all import * >>> from sage.features.graphviz import Graphviz >>> Graphviz().is_present() # optional - graphviz FeatureTestResult('graphviz', True) 
- class sage.features.graphviz.dot(*args, **kwds)[source]¶
- Bases: - Executable- A - Featuredescribing the presence of- dot.
- class sage.features.graphviz.neato(*args, **kwds)[source]¶
- Bases: - Executable- A - Featuredescribing the presence of- neato.
- class sage.features.graphviz.twopi(*args, **kwds)[source]¶
- Bases: - Executable- A - Featuredescribing the presence of- twopi.