Features for testing the presence of nauty executables¶

class sage.features.nauty.Nauty(*args, **kwds)[source]¶

Bases: JoinFeature

A Feature describing the presence of the executables which comes as a part of nauty.

EXAMPLES:

Sage

sage: from sage.features.nauty import Nauty
sage: Nauty().is_present()                                                      # needs nauty
FeatureTestResult('nauty', True)

Python

>>> from sage.all import *
>>> from sage.features.nauty import Nauty
>>> Nauty().is_present()                                                      # needs nauty
FeatureTestResult('nauty', True)

class sage.features.nauty.NautyExecutable(*args, **kwds)[source]¶

Bases: Executable

A Feature which checks for executables from the nauty package.

EXAMPLES:

Sage

sage: from sage.features.nauty import NautyExecutable
sage: NautyExecutable('converseg').is_present()                                 # needs nauty
FeatureTestResult('nauty_converseg', True)

Python

>>> from sage.all import *
>>> from sage.features.nauty import NautyExecutable
>>> NautyExecutable('converseg').is_present()                                 # needs nauty
FeatureTestResult('nauty_converseg', True)

sage.features.nauty.all_features()[source]¶