Option to control verbosity of assembly solver (#1198)

* Option to control verbosity of assembly solver

* Convert to single line

* black fix

Co-authored-by: AU <[email protected]>

Author: sethfischer

cadquery/assembly.py

@@ -346,7 +346,7 @@ def constrain(self, *args, param=None):
 
         return self
 
-    def solve(self) -> "Assembly":
+    def solve(self, verbosity: int = 0) -> "Assembly":
         """
         Solve the constraints.
         """
@@ -412,7 +412,7 @@ def solve(self) -> "Assembly":
         solver = ConstraintSolver(locs, constraints, locked=locked, scale=scale)
 
         # solve
-        locs_new, self._solve_result = solver.solve()
+        locs_new, self._solve_result = solver.solve(verbosity)
 
         # update positions
 

cadquery/occ_impl/solver.py

@@ -657,7 +657,9 @@ def _build_transform(self, T: ca.MX, R: ca.MX) -> gp_Trsf:
 
         return rv
 
-    def solve(self) -> Tuple[List[Location], Dict[str, Any]]:
+    def solve(self, verbosity: int = 0) -> Tuple[List[Location], Dict[str, Any]]:
+
+        suppress_banner = "yes" if verbosity == 0 else "no"
 
         opti = self.opti
 
@@ -709,7 +711,8 @@ def solve(self) -> Tuple[List[Location], Dict[str, Any]]:
                 "nlp_scaling_method": "none",
                 "honor_original_bounds": "yes",
                 "bound_relax_factor": 0,
-                "print_level": 5,
+                "print_level": verbosity,
+                "sb": suppress_banner,
                 "print_timing_statistics": "no",
                 "linear_solver": "mumps",
             },