Miscellaneous utilities

sage.structure.misc.is_extension_type(cls)

INPUT:

  • cls: a class

Tests whether cls is an extension type (int, list, cython compiled classes, …)

EXAMPLES:

sage: from sage.structure.parent import is_extension_type
sage: is_extension_type(int)
True
sage: is_extension_type(list)
True
sage: is_extension_type(ZZ.__class__)
True
sage: is_extension_type(QQ.__class__)
False