'Refactored by Sourcery'

examples/core_animation.py

@@ -32,8 +32,7 @@
 
 def build_shape():
     boxshp = BRepPrimAPI_MakeBox(50.0, 50.0, 50.0).Shape()
-    ais_boxshp = display.DisplayShape(boxshp, update=True)[0]
-    return ais_boxshp
+    return display.DisplayShape(boxshp, update=True)[0]
 
 
 def rotating_cube_1_axis(event=None):
@@ -44,7 +43,7 @@ def rotating_cube_1_axis(event=None):
     angle = 0.0
     tA = time.time()
     n_rotations = 200
-    for i in range(n_rotations):
+    for _ in range(n_rotations):
         aCubeTrsf.SetRotation(ax1, angle)
         aCubeToploc = TopLoc_Location(aCubeTrsf)
         display.Context.SetLocation(ais_boxshp, aCubeToploc)
@@ -63,7 +62,7 @@ def rotating_cube_2_axis(event=None):
     angle = 0.0
     tA = time.time()
     n_rotations = 200
-    for i in range(n_rotations):
+    for _ in range(n_rotations):
         a_cube_trsf.SetRotation(ax1, angle)
         a_cube_trsf2.SetRotation(ax2, angle)
         aCubeToploc = TopLoc_Location(a_cube_trsf * a_cube_trsf2)

examples/core_boolean_fuzzy_cut_emmenthaler.py

@@ -32,12 +32,12 @@
 
 
 def random_pnt():
-    x, y, z = [random.uniform(0, 1) for i in range(3)]
+    x, y, z = [random.uniform(0, 1) for _ in range(3)]
     return gp_Pnt(x, y, z)
 
 
 def random_vec():
-    x, y, z = [random.uniform(-1, 1) for i in range(3)]
+    x, y, z = [random.uniform(-1, 1) for _ in range(3)]
     return gp_Vec(x, y, z)
 
 

examples/core_boolean_sewed_shapes.py

@@ -31,8 +31,7 @@
 def MakeSolidFromShell(shell):
     ms = BRepBuilderAPI_MakeSolid()
     ms.Add(topods.Shell(shell))
-    solid = ms.Solid()
-    return solid
+    return ms.Solid()
 
 
 def make_face_from_4_points(pnt1, pnt2, pnt3, pnt4):

examples/core_display_activate_manipulator.py

@@ -76,10 +76,10 @@ def createLayout(self):
     def show_layer(self):
         if self.show_layer_button.isChecked():
             self.layer.show()
-            self.display.FitAll()
         else:
             self.layer.hide()
-            self.display.FitAll()
+
+        self.display.FitAll()
 
     def activate_manipulator(self):
         if self.activate_manip_button.isChecked():

examples/core_display_callbacks.py

@@ -28,7 +28,7 @@ def print_xy_click(shp, *kwargs):
 
 
 def compute_bbox(shp, *kwargs):
-    print("Compute bbox for %s " % shp)
+    print(f"Compute bbox for {shp} ")
     for shape in shp:
         bbox = Bnd_Box()
         brepbndlib_Add(shape, bbox)

examples/core_display_clip_planes.py

@@ -69,7 +69,7 @@ def disable_clip_plane(event=None):
 def animate_translate_clip_plane(event=None):
     plane_definition = clip_plane_1.ToPlane()  # it's a gp_Pln
     h = 0.2
-    for i in range(100):
+    for _ in range(100):
         plane_definition.Translate(gp_Vec(0.0, 0.0, h))
         clip_plane_1.SetEquation(plane_definition)
         display.Context.UpdateCurrentViewer()

examples/core_display_material_compound_subshape.py

@@ -33,7 +33,7 @@
 s = BRepPrimAPI_MakeCylinder(radius, 200).Shape()
 delta_x = 0.0
 solids = []
-for mat in available_materials:
+for _ in available_materials:
     s2 = translate_shp(s, gp_Vec(delta_x, 0.0, 0.0))
     delta_x += 2 * radius + 1.0
     solids.append(s2)

examples/core_display_point_cloud.py

@@ -45,21 +45,20 @@ def pcd_get_number_of_vertices(pcd_filename):
     POINTS 397
     DATA ascii
     """
-    f = open(pcd_filename, "r")
-    # read 8 lines
-    for i in range(8):
-        f.readline()
-    # the 9th line holds the number of points
-    number_of_points = int(f.readline().split()[1])
-    f.close()
+    with open(pcd_filename, "r") as f:
+            # read 8 lines
+        for _ in range(8):
+            f.readline()
+        # the 9th line holds the number of points
+        number_of_points = int(f.readline().split()[1])
     return number_of_points
 
 
 def random_points(event=None):
     n_points = 500000
     # first, create a set of 1000 points
     points_3d = Graphic3d_ArrayOfPoints(n_points)
-    for idx in range(n_points):
+    for _ in range(n_points):
         x = random.uniform(-50, 50)
         y = random.uniform(-50, 50)
         z = random.uniform(-50, 50)
@@ -86,9 +85,9 @@ def bunny(event=None):
     # fedd it with vertices
     fp = open(pcd_file_name, "r")
     # read 11 lines to skip header
-    for i in range(10):
+    for _ in range(10):
         fp.readline()
-    for i in range(nbr_of_vertices):
+    for _ in range(nbr_of_vertices):
         line = fp.readline()
         x, y, z = map(float, line.split())
         pc.AddVertex(x, y, z)

examples/core_display_signal_slots.py

@@ -33,8 +33,7 @@ def get_occ_viewer():
     widgets = app.topLevelWidgets()
     for wi in widgets:
         if hasattr(wi, "_menus"):  # OCC.Display.SimpleGui.MainWindow
-            viewer = wi.findChild(qtViewer3d, "qt_viewer_3d")
-            return viewer
+            return wi.findChild(qtViewer3d, "qt_viewer_3d")
 
 
 def on_select(shapes):
@@ -75,8 +74,7 @@ def also_on_select(shapes):
 def location_from_vector(x, y, z):
     trsf = gp_Trsf()
     trsf.SetTranslation(gp_Vec(x, y, z))
-    loc = TopLoc_Location(trsf)
-    return loc
+    return TopLoc_Location(trsf)
 
 
 cube = BRepPrimAPI_MakeBox(100, 100, 100).Shape()

examples/core_geometry_airfoil.py

@@ -49,7 +49,7 @@ def __init__(self, chord, span, profile):
     def make_shape(self):
         # 1 - retrieve the data from the UIUC airfoil data page
         foil_dat_url = (
-            "http://m-selig.ae.illinois.edu/ads/coord_seligFmt/%s.dat" % self.profile
+            f"http://m-selig.ae.illinois.edu/ads/coord_seligFmt/{self.profile}.dat"
         )
         # explicitly tell to not use ssl verification
         ssl._create_default_https_context = ssl._create_unverified_context

examples/core_geometry_geomplate.py

@@ -85,22 +85,20 @@ def make_n_sided(edges, points, continuity=GeomAbs_C0):
     for pt in points:
         n_sided.Add(pt)
     n_sided.Build()
-    face = n_sided.Face()
-    return face
+    return n_sided.Face()
 
 
 def make_closed_polygon(*args):
     poly = BRepBuilderAPI_MakePolygon()
     for pt in args:
-        if isinstance(pt, list) or isinstance(pt, tuple):
+        if isinstance(pt, (list, tuple)):
             for i in pt:
                 poly.Add(i)
         else:
             poly.Add(pt)
     poly.Build()
     poly.Close()
-    result = poly.Wire()
-    return result
+    return poly.Wire()
 
 
 def geom_plate(event=None):
@@ -111,7 +109,7 @@ def geom_plate(event=None):
     p4 = gp_Pnt(0, 0, 10)
     p5 = gp_Pnt(5, 5, 5)
     poly = make_closed_polygon([p1, p2, p3, p4])
-    edges = [i for i in TopologyExplorer(poly).edges()]
+    edges = list(TopologyExplorer(poly).edges())
     face = make_n_sided(edges, [p5])
     display.DisplayShape(edges)
     display.DisplayShape(make_vertex(p5))
@@ -244,7 +242,7 @@ def solve_radius(event=None):
     for i in (0.1, 0.5, 1.5, 2.0, 3.0, 0.2):
         rcs = RadiusConstrainedSurface(display, poly, p5, i)
         rcs.solve()
-        print("Goal: %s radius: %s" % (i, rcs.curr_radius))
+        print(f"Goal: {i} radius: {rcs.curr_radius}")
         time.sleep(0.1)
 
 
@@ -267,8 +265,7 @@ def build_geom_plate(edges):
     plate = GeomPlate_MakeApprox(srf, 0.01, 10, 5, 0.01, 0, GeomAbs_C0)
 
     uMin, uMax, vMin, vMax = srf.Bounds()
-    face = make_face(plate.Surface(), uMin, uMax, vMin, vMax, 1e-6)
-    return face
+    return make_face(plate.Surface(), uMin, uMax, vMin, vMax, 1e-6)
 
 
 def build_curve_network(event=None):

examples/core_geometry_medial_axis_offset.py

@@ -34,8 +34,7 @@ def boolean_cut(shapeToCutFrom, cuttingShape):
 
     cut = BRepAlgoAPI_Cut(shapeToCutFrom, cuttingShape)
 
-    shp = cut.Shape()
-    return shp
+    return cut.Shape()
 
 
 def make_face_to_contour_from():
@@ -63,8 +62,7 @@ def make_face_to_contour_from():
     f = make_face(w1)
     w2 = make_wire(e7, e8, e9, e10)
     f2 = make_face(w2)
-    f3 = boolean_cut(f, f2)
-    return f3
+    return boolean_cut(f, f2)
 
 
 def create_offsets(face, nr_of_counters, distance_between_contours):

examples/core_geometry_nurbs_converter.py

@@ -34,16 +34,13 @@
 
 expl = TopologyExplorer(converted_shape)
 
-# loop over faces
-fc_idx = 1
-
-for face in expl.faces():
+for fc_idx, face in enumerate(expl.faces(), start=1):
     print("=== Face %i ===" % fc_idx)
     surf = BRepAdaptor_Surface(face, True)
     surf_type = surf.GetType()
     # check each of the is a BSpline surface
     # it should be, since we used the nurbs converter before
-    if not surf_type == GeomAbs_BSplineSurface:
+    if surf_type != GeomAbs_BSplineSurface:
         raise AssertionError("the face was not converted to a GeomAbs_BSplineSurface")
     # get the nurbs
     bsrf = surf.BSpline()
@@ -78,4 +75,3 @@
                 p = poles.Value(i + 1, j + 1)
                 print(p.X(), p.Y(), p.Z(), end=" ")
     print()
-    fc_idx += 1

examples/core_geometry_oriented_bounding_box.py

@@ -48,8 +48,9 @@ def convert_bnd_to_shape(the_box):
     axes.SetLocation(
         gp_Pnt(point.XYZ() - x_vec * half_x - y_vec * half_y - z_vec * half_z)
     )
-    box = BRepPrimAPI_MakeBox(axes, 2.0 * half_x, 2.0 * half_y, 2.0 * half_z).Shape()
-    return box
+    return BRepPrimAPI_MakeBox(
+        axes, 2.0 * half_x, 2.0 * half_y, 2.0 * half_z
+    ).Shape()
 
 
 # compute the oriented bounding box of a point cloud

examples/core_geometry_quaternion.py

@@ -78,9 +78,7 @@ def frange(start, end=None, inc=None):
     L = []
     while 1:
         next_ = start + len(L) * inc
-        if inc > 0 and next_ >= end:
-            break
-        elif inc < 0 and next_ <= end:
+        if inc > 0 and next_ >= end or inc < 0 and next_ <= end:
             break
         L.append(next_)
 

examples/core_geometry_recognize_feature.py

@@ -44,7 +44,7 @@ def recognize_face(a_face):
     if a plane, returns the normal
     if a cylinder, returns the radius
     """
-    if not type(a_face) is TopoDS_Face:
+    if type(a_face) is not TopoDS_Face:
         print("Please hit the 'G' key to switch to face selection mode")
         return False
     surf = BRepAdaptor_Surface(a_face, True)

examples/core_geometry_splinecage.py

@@ -42,10 +42,12 @@ def random_color():
 
 def length_from_edge(edg):
     curve_adapt = BRepAdaptor_Curve(edg)
-    length = GCPnts_AbscissaPoint().Length(
-        curve_adapt, curve_adapt.FirstParameter(), curve_adapt.LastParameter(), 1e-6
+    return GCPnts_AbscissaPoint().Length(
+        curve_adapt,
+        curve_adapt.FirstParameter(),
+        curve_adapt.LastParameter(),
+        1e-6,
     )
-    return length
 
 
 def divide_edge_by_nr_of_points(edg, n_pts):
@@ -105,7 +107,7 @@ def build_curve_network(event=None, enforce_tangency=True):
     root_compound_shape = read_step_file("../assets/models/splinecage.stp")
     topology_explorer = TopologyExplorer(root_compound_shape)
 
-    tangent_constraint_faces = [f for f in topology_explorer.faces()]
+    tangent_constraint_faces = list(topology_explorer.faces())
 
     # loop through the imported faces
     # associate the length of each of the faces edges to the corresponding face
@@ -115,12 +117,11 @@ def build_curve_network(event=None, enforce_tangency=True):
 
     # loop through the imported curves, avoiding the imported faces
     # when we've got these filtered out, we retrieved the geometry to build the surface from
-    filtered_edges = [
-        e
-        for e in topology_explorer._loop_topo(
+    filtered_edges = list(
+        topology_explorer._loop_topo(
             TopAbs_EDGE, root_compound_shape, TopAbs_FACE
         )
-    ]
+    )
 
     filtered_length = {}
     for e in filtered_edges:

examples/core_geometry_surface_from_curves.py

@@ -41,8 +41,7 @@ def surface_from_curves():
     @param display:
     """
     # First spline
-    array = []
-    array.append(gp_Pnt(-4, 0, 2))
+    array = [gp_Pnt(-4, 0, 2)]
     array.append(gp_Pnt(-7, 2, 2))
     array.append(gp_Pnt(-6, 3, 1))
     array.append(gp_Pnt(-4, 3, -1))
@@ -52,8 +51,7 @@ def surface_from_curves():
     SPL1 = GeomAPI_PointsToBSpline(pt_list1).Curve()
 
     # Second spline
-    a2 = []
-    a2.append(gp_Pnt(-4, 0, 2))
+    a2 = [gp_Pnt(-4, 0, 2)]
     a2.append(gp_Pnt(-2, 2, 0))
     a2.append(gp_Pnt(2, 3, -1))
     a2.append(gp_Pnt(3, 7, -2))

examples/core_mesh_gmsh.py

@@ -44,18 +44,14 @@ def mesh_shape(a_topods_shape):
 
     a() = ShapeFromFile("shape.brep");
     """
-    gmsh_geo_file = open("shape.geo", "w")
-    gmsh_geo_file.write(gmsh_geo_file_content)
-    gmsh_geo_file.close()
-
+    with open("shape.geo", "w") as gmsh_geo_file:
+        gmsh_geo_file.write(gmsh_geo_file_content)
     # call gmsh
     gmsh_success = os.system("gmsh shape.geo -2 -o shape.stl -format stl")
-    # load the stl file
     if gmsh_success != 0 and os.path.isfile("shape.stl"):
         return read_stl_file("shape.stl")
-    else:
-        print("Be sure gmsh is in your PATH")
-        sys.exit()
+    print("Be sure gmsh is in your PATH")
+    sys.exit()
 
 
 # First example, a simple torus