features for symengine_py

Author: dimpase

src/sage/features/symengine_py.py

@@ -0,0 +1,43 @@
+r"""
+Check for symengine_py
+"""
+
+# ****************************************************************************
+#       Copyright (C) 2023 Dima Pasechnik
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#                  https://www.gnu.org/licenses/
+# ****************************************************************************
+
+from . import PythonModule
+from .join_feature import JoinFeature
+
+
+class symengine_py(JoinFeature):
+    r"""
+    A :class:`sage.features.Feature` describing the presence of the
+    Python package :ref:`symengine_py <spkg_symengine_py>`.
+
+    EXAMPLES::
+
+        sage: from sage.features.igraph import symengine_py
+        sage: symengine_py().is_present()                    # optional - symengine_py
+        FeatureTestResult('symengine_py', True)
+    """
+    def __init__(self):
+        r"""
+        TESTS::
+
+            sage: from sage.features.symengine_py import symengine_py
+            sage: isinstance(symengine_py(), symengine_py)
+            True
+        """
+        JoinFeature.__init__(self, 'symengine_py',
+                             [PythonModule('symengine', spkg="symengine_py",
+                                            url="https://pypi.org/project/symengine")])
+
+def all_features():
+    return [symengine_py()]