Modify _print_Str and str printing of diffgeom classes

sympy/printing/latex.py

@@ -2650,6 +2650,9 @@ def _print_primeomega(self, expr, exp=None):
                 (self._print(expr.args[0]), exp)
         return r'\Omega\left(%s\right)' % self._print(expr.args[0])
 
+    def _print_Str(self, s):
+        return self._print(s.name)
+
     def emptyPrinter(self, expr):
         # Checks what type of decimal separator to print.
         expr = super().emptyPrinter(expr)

sympy/printing/pretty/pretty.py

@@ -2720,6 +2720,9 @@ def _print_AssignmentBase(self, e):
         pform = prettyForm(*stringPict.next(l, op, r))
         return pform
 
+    def _print_Str(self, s):
+        return self._print(s.name)
+
 def pretty(expr, **settings):
     """Returns a string containing the prettified form of expr.
 

sympy/printing/printer.py

@@ -341,6 +341,3 @@ def _as_ordered_terms(self, expr, order=None):
             return list(expr.args)
         else:
             return expr.as_ordered_terms(order=order)
-
-    def _print_Str(self, s):
-        return self._print(s.name)

sympy/printing/str.py

@@ -876,13 +876,13 @@ def _print_Category(self, category):
         return 'Category("%s")' % category.name
 
     def _print_Manifold(self, manifold):
-        return self._print(manifold.name)
+        return manifold.name.name
 
     def _print_Patch(self, patch):
-        return self._print(patch.name)
+        return patch.name.name
 
     def _print_CoordSystem(self, coords):
-        return self._print(coords.name)
+        return coords.name.name
 
     def _print_BaseScalarField(self, field):
         return field._coord_sys.symbols[field._index].name
@@ -901,6 +901,9 @@ def _print_Tr(self, expr):
         #TODO : Handle indices
         return "%s(%s)" % ("Tr", self._print(expr.args[0]))
 
+    def _print_Str(self, s):
+        return self._print(s.name)
+
 def sstr(expr, **settings):
     """Returns the expression as a string.
 
@@ -931,7 +934,7 @@ def _print_str(self, s):
 
     def _print_Str(self, s):
         # Str does not to be printed same as str here
-        return str(s)
+        return repr(s)
 
 
 def sstrrepr(expr, **settings):