Make Symbol closer to sympy.core.Symbol:

* Symbol.name() should be a property
* Symbol.is_Atom == True

Author: mattwala

symengine/lib/symengine_wrapper.pyx

@@ -661,9 +661,14 @@ cdef class Symbol(Basic):
         import sage.all as sage
         return sage.SR.symbol(str(deref(X).get_name().decode("utf-8")))
 
+    @property
     def name(self):
         return self.__str__()
 
+    @property
+    def is_Atom(self):
+        return True
+
     @property
     def is_Symbol(self):
         return True

symengine/tests/test_symbol.py

@@ -4,6 +4,7 @@
 
 def test_symbol():
     x = Symbol("x")
+    assert x.name == "x"
     assert str(x) == "x"
     assert str(x) != "y"
     assert repr(x) == str(x)