- Started Solvespace implementation solver

drawing_modules/solvespace_example.py

@@ -0,0 +1,25 @@
+from python_solvespace import SolverSystem, ResultFlag
+
+def solve_constraint(self):
+    solv = SolverSystem()
+    wp = solv.create_2d_base()  # Workplane (Entity)
+    p0 = solv.add_point_2d(0, 0, wp)  # Entity
+    solv.dragged(p0, wp)  # Make a constraint with the entity
+    ...
+    line0 = solv.add_line_2d(p0, p1, wp)  # Create entity with others
+    ...
+    line1 = solv.add_line_2d(p0, p3, wp)
+    solv.angle(line0, line1, 45, wp)  # Constrain two entities
+    line1 = solv.entity(-1)  # Entity handle can be re-generated and negatively indexed
+    ...
+    if solv.solve() == ResultFlag.OKAY:
+        # Get the result (unpack from the entity or parameters)
+        # x and y are actually float type
+        dof = solv.dof()
+        x, y = solv.params(p2.params)
+        ...
+    else:
+        # Error!
+        # Get the list of all constraints
+        failures = solv.failures()
+        ...