[Bf-extensions-cvs] [88aac47] dxf_import: Big PEP8 cleanup.

Bastien Montagne noreply at git.blender.org
Fri Aug 15 12:38:32 CEST 2014


Commit: 88aac474bfa2537d4094708925392ca8bcdd0817
Author: Bastien Montagne
Date:   Fri Aug 15 12:12:10 2014 +0200
Branches: dxf_import
https://developer.blender.org/rBA88aac474bfa2537d4094708925392ca8bcdd0817

Big PEP8 cleanup.

===================================================================

M	io_import_dxf/__init__.py
M	io_import_dxf/dxfimport/convert.py
M	io_import_dxf/dxfimport/do.py
M	io_import_dxf/dxfimport/fake_entities.py
M	io_import_dxf/dxfimport/groupsort.py
M	io_import_dxf/dxfimport/is_.py
M	io_import_dxf/dxfimport/line_merger.py
M	io_import_dxf/transverse_mercator.py

===================================================================

diff --git a/io_import_dxf/__init__.py b/io_import_dxf/__init__.py
index d206fa0..a4a46d2 100644
--- a/io_import_dxf/__init__.py
+++ b/io_import_dxf/__init__.py
@@ -20,6 +20,8 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
+# <pep8 compliant>
+
 import bpy
 import os
 from bpy.props import StringProperty, BoolProperty, EnumProperty, IntProperty, FloatProperty
diff --git a/io_import_dxf/dxfimport/convert.py b/io_import_dxf/dxfimport/convert.py
index 8635900..7c97ad1 100644
--- a/io_import_dxf/dxfimport/convert.py
+++ b/io_import_dxf/dxfimport/convert.py
@@ -20,6 +20,8 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
+# <pep8 compliant>
+
 import itertools
 from . import is_
 from .fake_entities import ArcEntity
@@ -30,7 +32,7 @@ from copy import deepcopy
 
 class ShortVec(Vector):
     def __str__(self):
-        return "Vec"+str((round(self.x, 2), round(self.y, 2), round(self.z, 2)))
+        return "Vec" + str((round(self.x, 2), round(self.y, 2), round(self.z, 2)))
 
     def __repr__(self):
         return self.__str__()
@@ -46,7 +48,7 @@ def bspline_to_cubic(do, en, curve, errors=None):
     """
     def clean_knots():
         start = knots[:degree + 1]
-        end   = knots[-degree - 1:]
+        end = knots[-degree - 1:]
 
         if start.count(start[0]) < degree + 1:
             maxa = max(start)
@@ -65,7 +67,7 @@ def bspline_to_cubic(do, en, curve, errors=None):
             if uip == ui:
                 print("zero!")
                 return 0
-            return (t - ui)/(uip - ui)
+            return (t - ui) / (uip - ui)
 
         new_spline = spline.copy()
         for pp in range(p, 1, -1):
@@ -105,9 +107,10 @@ def bspline_to_cubic(do, en, curve, errors=None):
         # the ugly truth
         if len(spline) % 3 == 0:
             spline.append([spline[-1]])
-            errors.add("Cubic spline: Something went wrong with knot insertion.")
+            errors.add("Cubic spline: Something went wrong with knot insertion")
         return spline
 
+
 def quad_to_cube(spline):
     """
     spline: list of (x,y,z)-tuples)
@@ -116,10 +119,10 @@ def quad_to_cube(spline):
     s = []
     for i, p in enumerate(spline):
         if i % 2 == 1:
-            before = Vector(spline[i-1])
-            after = Vector(spline[(i+1)%len(spline)])
-            s.append(before+2/3*(Vector(p)-before))
-            s.append(after +2/3*(Vector(p)-after ))
+            before = Vector(spline[i - 1])
+            after = Vector(spline[(i + 1) % len(spline)])
+            s.append(before + 2 / 3 * (Vector(p) - before))
+            s.append(after + 2 / 3 * (Vector(p) - after))
         else:
             s.append(p)
 
@@ -140,18 +143,18 @@ def bulge_to_arc(point, next, bulge):
 
     rot = Matrix(((0, -1, 0), (1, 0, 0), (0, 0, 1)))
     section = next - point
-    section_length = section.length/2
-    direction = -bulge/abs(bulge)
+    section_length = section.length / 2
+    direction = -bulge / abs(bulge)
     correction = 1
     sagitta_len = section_length * abs(bulge)
-    radius = (sagitta_len**2 + section_length**2) / (2*sagitta_len)
+    radius = (sagitta_len**2 + section_length**2) / (2 * sagitta_len)
     if sagitta_len < radius:
         cosagitta_len = radius - sagitta_len
     else:
         cosagitta_len = sagitta_len - radius
         direction *= -1
         correction *= -1
-    center = point + section/2 + section.normalized() * cosagitta_len * rot * direction
+    center = point + section / 2 + section.normalized() * cosagitta_len * rot * direction
     cp = point - center
     cn = next - center
     cr = cp.to_3d().cross(cn.to_3d()) * correction
@@ -183,7 +186,7 @@ def bulgepoly_to_cubic(do, lwpolyline):
             la = last.to_3d()
             po = point.to_3d()
             section = point - last
-            cubic_bezier = [la, la + section * 1/3, la + section * 2/3, po]
+            cubic_bezier = [la, la + section * 1 / 3, la + section * 2 / 3, po]
         return cubic_bezier
 
     points = lwpolyline.points
@@ -209,7 +212,7 @@ def bulgepoly_to_lenlist(lwpolyline):
         if bulge != 0 and seglen != 0:
             arc = bulge_to_arc(last, point, bulge)
             if arc.startangle > arc.endangle:
-                arc.endangle += 2*pi
+                arc.endangle += 2 * pi
             angle = arc.endangle - arc.startangle
             lenlist.append(abs(arc.radius * angle))
         else:
@@ -236,7 +239,7 @@ def extrusion_to_matrix(entity):
     def arbitrary_x_axis(extrusion_normal):
         world_y = Vector((0, 1, 0))
         world_z = Vector((0, 0, 1))
-        if abs(extrusion_normal[0]) < 1/64 and abs(extrusion_normal[1]) < 1/64:
+        if abs(extrusion_normal[0]) < 1 / 64 and abs(extrusion_normal[1]) < 1 / 64:
             a_x = world_y.cross(extrusion_normal)
         else:
             a_x = world_z.cross(extrusion_normal)
@@ -259,7 +262,7 @@ def split_by_width(entity):
 
         def __eq__(self, other):
             return self.w1 == other.w1 and self.w2 == other.w2 and self.w1 == self.w2
-    
+
     if is_.varying_width(entity):
         entities = []
         en_template = deepcopy(entity)
@@ -283,7 +286,6 @@ def split_by_width(entity):
         if not entity.is_closed:
             entities.pop(-1)
         return entities
-            
+
     else:
         return [entity]
-
diff --git a/io_import_dxf/dxfimport/do.py b/io_import_dxf/dxfimport/do.py
index bdff2bc..09dcadd 100644
--- a/io_import_dxf/dxfimport/do.py
+++ b/io_import_dxf/dxfimport/do.py
@@ -2,6 +2,8 @@
 # Author: Lukas Treyer
 # License: GPL
 
+# <pep8 compliant>
+
 import bpy
 import os
 import re
@@ -34,7 +36,7 @@ def transform(p1, p2, c1, c2, c3):
             if p1.srs != p2.srs:
                 return proj_transform(p1, p2, c1, c2, c3)
             else:
-                return (c1, c2, c3)  # no, the parentheses are not redundant (as proposed by PyCharm)
+                return (c1, c2, c3)
         elif type(p2) is TransverseMercator:
             wgs84 = Proj(init="EPSG:4326")
             if p1.srs != wgs84.srs:
@@ -42,13 +44,13 @@ def transform(p1, p2, c1, c2, c3):
             else:
                 t1, t2, t3 = c2, c1, c3  # mind c2, c1 inversion
             tm1, tm2 = p2.fromGeographic(t1, t2)
-            return (tm1, tm2, t3)  # no, the parentheses are not redundant (as proposed by PyCharm)
+            return (tm1, tm2, t3)
     else:
         if p1.spherical:
             t1, t2 = p2.fromGeographic(c2, c1)  # mind c2, c1 inversion
-            return (t1, t2, c3) # no, the parentheses are not redundant (as proposed by PyCharm)
+            return (t1, t2, c3)
         else:
-            return (c1, c2, c3) # no, the parentheses are not redundant (as proposed by PyCharm)
+            return (c1, c2, c3)
 
 
 def float_len(f):
@@ -58,6 +60,7 @@ def float_len(f):
     else:
         return len(s[2:])
 
+
 class Indicator:
     spherical = False
     euclidean = False
@@ -70,10 +73,18 @@ class Indicator:
         else:
             raise AttributeError("Indication must be 'spherical' or 'planar'.")
 
+
 class Do:
+    __slots__ = (
+        "dwg", "combination", "known_blocks", "import_text", "import_light", "export_acis", "merge_lines",
+        "do_bounding_boxes", "acis_files", "errors", "block_representation", "recenter", "did_group_instance",
+        "objects_before", "pDXF", "pScene", "thickness_and_width", "but_group_by_att", "current_scene",
+        "dxf_unit_scale",
+    )
+
     def __init__(self, dxf_filename, c=BY_LAYER, import_text=True, import_light=True, export_acis=True,
                  merge_lines=True, do_bbox=True, block_rep=LINKED_OBJECTS, recenter=False, pDXF=None, pScene=None,
-                thicknessWidth=True, but_group_by_att=True, dxf_unit_scale=1.0):
+                 thicknessWidth=True, but_group_by_att=True, dxf_unit_scale=1.0):
         self.dwg = dxfgrabber.readfile(dxf_filename, {"assure_3d_coords": True})
         self.combination = c
         self.known_blocks = {}
@@ -143,7 +154,6 @@ class Do:
             else:
                 return Vector((co[0], co[1], co[2] if len(co) == 3 else 0))
 
-
     def georeference(self, scene, center):
         if "latitude" not in scene and "longitude" not in scene:
             if type(self.pScene) is TransverseMercator:
@@ -157,7 +167,6 @@ class Do:
                 scene['longitude'] = latlon[1]
                 scene['altitude'] = latlon[2]
 
-
     """ GEOMETRY DXF TYPES TO BLENDER CURVES FILTERS"""
     # type(self, dxf entity, blender curve data)
 
@@ -170,17 +179,17 @@ class Do:
         spl = curve.splines.new('BEZIER')
         spl.use_cyclic_u = True
         b = spl.bezier_points
-        b.add(count-1)
+        b.add(count - 1)
         for i, j in enumerate(range(1, len(points), 3)):
-            b[i].handle_left = self.proj(points[j-1])
+            b[i].handle_left = self.proj(points[j - 1])
             b[i].co = self.proj(points[j])
-            b[i].handle_right = self.proj(points[j+1])
+            b[i].handle_right = self.proj(points[j + 1])
 
     def _cubic_bezier_open(self, points, curve):
-        count = (len(points)-1)/3 + 1
+        count = (len(points) - 1) / 3 + 1
         spl = curve.splines.new('BEZIER')
         b = spl.bezier_points
-        b.add(count-1)
+        b.add(count - 1)
 
         b[0].co = self.proj(points[0])
         b[0].handle_left = self.proj(points[0])
@@ -190,17 +199,16 @@ class Do:
         b[-1].handle_right = self.proj(points[-1])
         b[-1].handle_left = self.proj(points[-2])
 
-
-        for i,j in enumerate(range(3,len(points)-2, 3), 1):
-            b[i].handle_left = self.proj(points[j-1])
+        for i, j in enumerate(range(3, len(points) - 2, 3), 1):
+            b[i].handle_left = self.proj(points[j - 1])
             b[i].co = self.proj(points[j])
-            b[i].handle_right = self.proj(points[j+1])
+            b[i].handle_right = self.proj(points[j + 1])
 
     def _cubic_bezier(self, points, curve, is_closed):
-        """ points: control points; list of (x,y,z) tuples
-            curve: Blender curve data of type "CURVE" (object.data) where the bezier should be
-                added to
-            is_closed: True / False to indicate if the curve is open or closed
+  

@@ Diff output truncated at 10240 characters. @@



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