From: pjrm <pjrm@users.sourceforge.net>
Date: Fri, 23 May 2008 07:05:15 +0000 (+0000)
Subject: share/extensions/*.py: Wrap ‘e = MyEffect(); e.affect()’ in ‘if __name__ == '__main__... 
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=a223910930e4cf964962a08cf1d30928395652c5;p=inkscape.git

share/extensions/*.py: Wrap ‘e = MyEffect(); e.affect()’ in ‘if __name__ == '__main__':’, to allow use of pychecker.
---

diff --git a/share/extensions/addnodes.py b/share/extensions/addnodes.py
index a1c544a1e..3a8bebe66 100644
--- a/share/extensions/addnodes.py
+++ b/share/extensions/addnodes.py
@@ -108,8 +108,9 @@ class SplitIt(inkex.Effect):
                     
                 node.set('d',cubicsuperpath.formatPath(new))
 
-e = SplitIt()
-e.affect()
+if __name__ == '__main__':
+    e = SplitIt()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/dimension.py b/share/extensions/dimension.py
index 7a319ebdc..f7dfb902e 100644
--- a/share/extensions/dimension.py
+++ b/share/extensions/dimension.py
@@ -138,8 +138,9 @@ class Dimension(pathmodifier.PathModifier):
         
         layer.append(group)
 
-e = Dimension()
-e.affect()
+if __name__ == '__main__':
+    e = Dimension()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/dots.py b/share/extensions/dots.py
index 2210bf30e..1f7312a87 100755
--- a/share/extensions/dots.py
+++ b/share/extensions/dots.py
@@ -68,8 +68,9 @@ class Dots(inkex.Effect):
                 new.set('y', str(y))
                 new.text = str(text)
 
-e = Dots()
-e.affect()
+if __name__ == '__main__':
+    e = Dots()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/dxf_outlines.py b/share/extensions/dxf_outlines.py
index b05aea546..10b9f1286 100755
--- a/share/extensions/dxf_outlines.py
+++ b/share/extensions/dxf_outlines.py
@@ -71,8 +71,9 @@ class MyEffect(inkex.Effect):
 
         self.dxf_add(dxf_templates.r14_footer)
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/edge3d.py b/share/extensions/edge3d.py
index e37747195..2deff9b67 100644
--- a/share/extensions/edge3d.py
+++ b/share/extensions/edge3d.py
@@ -141,8 +141,9 @@ class Edge3d(inkex.Effect):
 
         return g
 
-e = Edge3d()
-e.affect()
+if __name__ == '__main__':
+    e = Edge3d()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/eqtexsvg.py b/share/extensions/eqtexsvg.py
index 92e51c44f..563bf2c4c 100644
--- a/share/extensions/eqtexsvg.py
+++ b/share/extensions/eqtexsvg.py
@@ -134,8 +134,9 @@ class EQTEXSVG(inkex.Effect):
 
         clean()
 
-e = EQTEXSVG()
-e.affect()
+if __name__ == '__main__':
+    e = EQTEXSVG()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/extractimage.py b/share/extensions/extractimage.py
index c85456c88..07074c8a4 100644
--- a/share/extensions/extractimage.py
+++ b/share/extensions/extractimage.py
@@ -64,8 +64,9 @@ class MyEffect(inkex.Effect):
                                 inkex.debug('Difficulty finding the image data.')
                             break
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/flatten.py b/share/extensions/flatten.py
index fe1440863..48044936b 100755
--- a/share/extensions/flatten.py
+++ b/share/extensions/flatten.py
@@ -42,8 +42,9 @@ class MyEffect(inkex.Effect):
                         np.append([cmd,[csp[1][0],csp[1][1]]])
                         node.set('d',simplepath.formatPath(np))
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/fractalize.py b/share/extensions/fractalize.py
index 91a827f90..ec92064d1 100755
--- a/share/extensions/fractalize.py
+++ b/share/extensions/fractalize.py
@@ -89,8 +89,9 @@ class PathFractalize(inkex.Effect):
             """ recursively subdivide the segment right of the subdivision point """
             self.fractalize(a,subdivPoint[-2],subdivPoint[-1],x2,y2,s-1,f)
              
-e = PathFractalize()
-e.affect()
+if __name__ == '__main__':
+    e = PathFractalize()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/funcplot.py b/share/extensions/funcplot.py
index 08631a0be..e5f93d430 100644
--- a/share/extensions/funcplot.py
+++ b/share/extensions/funcplot.py
@@ -269,8 +269,9 @@ class FuncPlot(inkex.Effect):
                 if self.options.remove:
                     node.getparent().remove(node)
                 
-e = FuncPlot()
-e.affect()
+if __name__ == '__main__':
+    e = FuncPlot()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/gears.py b/share/extensions/gears.py
index e6acabfae..e4dbefc2e 100644
--- a/share/extensions/gears.py
+++ b/share/extensions/gears.py
@@ -158,8 +158,9 @@ class Gears(inkex.Effect):
         gear_attribs = {'style':simplestyle.formatStyle(style), 'd':path}
         gear = inkex.etree.SubElement(g, inkex.addNS('path','svg'), gear_attribs )
 
-e = Gears()
-e.affect()
+if __name__ == '__main__':
+    e = Gears()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/gimp_xcf.py b/share/extensions/gimp_xcf.py
index 3a0ee47c4..121cb360d 100755
--- a/share/extensions/gimp_xcf.py
+++ b/share/extensions/gimp_xcf.py
@@ -23,13 +23,13 @@ class MyEffect(inkex.Effect):
     def __init__(self):
         inkex.Effect.__init__(self)
 	self.OptionParser.add_option("-d", "--guides",
-						action="store", type="inkbool",
-						dest="saveGuides", default=False,
-						help="Save the Guides with the .XCF")
+                                     action="store", type="inkbool",
+                                     dest="saveGuides", default=False,
+                                     help="Save the Guides with the .XCF")
 	self.OptionParser.add_option("-r", "--grid",
-						action="store", type="inkbool",
-						dest="saveGrid", default=False,
-						help="Save the Grid with the .XCF")
+                                     action="store", type="inkbool",
+                                     dest="saveGrid", default=False,
+                                     help="Save the Grid with the .XCF")
     def output(self):
         pass
     def effect(self):
@@ -168,6 +168,7 @@ class MyEffect(inkex.Effect):
         sys.stdout.write(x.read())
         x.close()
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
diff --git a/share/extensions/grid_cartesian.py b/share/extensions/grid_cartesian.py
index f531f3ac7..19adbbbe2 100644
--- a/share/extensions/grid_cartesian.py
+++ b/share/extensions/grid_cartesian.py
@@ -256,8 +256,9 @@ class Grid_Polar(inkex.Effect):
 
 
 
-e = Grid_Polar()
-e.affect()
+if __name__ == '__main__':
+    e = Grid_Polar()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/grid_polar.py b/share/extensions/grid_polar.py
index 1c2a6d971..4d7a3989c 100644
--- a/share/extensions/grid_polar.py
+++ b/share/extensions/grid_polar.py
@@ -190,8 +190,9 @@ class Grid_Polar(inkex.Effect):
                                        str(i*360/self.options.a_divs), 
                                        label_size, 'Label'+str(i), grid)
 
-e = Grid_Polar()
-e.affect()
+if __name__ == '__main__':
+    e = Grid_Polar()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/handles.py b/share/extensions/handles.py
index 4a75e8e2f..256e3d422 100755
--- a/share/extensions/handles.py
+++ b/share/extensions/handles.py
@@ -50,8 +50,9 @@ class Handles(inkex.Effect):
                     attribs = {'style':simplestyle.formatStyle(s),'d':simplepath.formatPath(a)}
                     inkex.etree.SubElement(node.getparent(), inkex.addNS('path','svg'), attribs)
                     
-e = Handles()
-e.affect()
+if __name__ == '__main__':
+    e = Handles()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/interp.py b/share/extensions/interp.py
index 2d840c87e..bb05d8d84 100755
--- a/share/extensions/interp.py
+++ b/share/extensions/interp.py
@@ -308,8 +308,9 @@ class Interp(inkex.Effect):
                 attribs = {'style':simplestyle.formatStyle(basestyle),'d':cubicsuperpath.formatPath(interp)}
                 new = inkex.etree.SubElement(group,inkex.addNS('path','svg'), attribs)
 
-e = Interp()
-e.affect()
+if __name__ == '__main__':
+    e = Interp()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/lindenmayer.py b/share/extensions/lindenmayer.py
index f8da0990a..e690e003c 100755
--- a/share/extensions/lindenmayer.py
+++ b/share/extensions/lindenmayer.py
@@ -108,8 +108,9 @@ class LSystem(inkex.Effect):
         attribs = {'style':simplestyle.formatStyle(s),'d':self.iterate()}
         inkex.etree.SubElement(self.current_layer,inkex.addNS('path','svg'),attribs)
 
-e = LSystem()
-e.affect()
+if __name__ == '__main__':
+    e = LSystem()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/lorem_ipsum.py b/share/extensions/lorem_ipsum.py
index 938d63e0b..52d1bb190 100644
--- a/share/extensions/lorem_ipsum.py
+++ b/share/extensions/lorem_ipsum.py
@@ -228,5 +228,6 @@ class MyEffect(inkex.Effect):
       rect=inkex.etree.SubElement(flowRegion,inkex.addNS('rect','svg'),rattribs)
       self.addText(flowRoot)
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+  e = MyEffect()
+  e.affect()
diff --git a/share/extensions/markers_strokepaint.py b/share/extensions/markers_strokepaint.py
index 4d718a5b9..11fa77d0f 100644
--- a/share/extensions/markers_strokepaint.py
+++ b/share/extensions/markers_strokepaint.py
@@ -71,8 +71,9 @@ class MyEffect(inkex.Effect):
                         child.set('style',simplestyle.formatStyle(cstyle))
             node.set('style',simplestyle.formatStyle(style))
 
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/measure.py b/share/extensions/measure.py
index 0db00105a..26b20b3e2 100644
--- a/share/extensions/measure.py
+++ b/share/extensions/measure.py
@@ -167,8 +167,9 @@ class Length(inkex.Effect):
                 node.set('x', str(x))
                 node.set('y', str(y))
 
-e = Length()
-e.affect()
+if __name__ == '__main__':
+    e = Length()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/motion.py b/share/extensions/motion.py
index 88e545c8b..5e0e73731 100755
--- a/share/extensions/motion.py
+++ b/share/extensions/motion.py
@@ -105,8 +105,9 @@ class Motion(inkex.Effect):
                     else:
                         last = params[-2:]
 
-e = Motion()
-e.affect()
+if __name__ == '__main__':
+    e = Motion()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/pathalongpath.py b/share/extensions/pathalongpath.py
index f02a69d50..917bc665b 100644
--- a/share/extensions/pathalongpath.py
+++ b/share/extensions/pathalongpath.py
@@ -272,8 +272,9 @@ class PathAlongPath(pathmodifier.Diffeo):
 
                 node.set('d', cubicsuperpath.formatPath(newp))
 
-e = PathAlongPath()
-e.affect()
+if __name__ == '__main__':
+    e = PathAlongPath()
+    e.affect()
 
                     
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/pathscatter.py b/share/extensions/pathscatter.py
index 0ce095877..20623de6a 100644
--- a/share/extensions/pathscatter.py
+++ b/share/extensions/pathscatter.py
@@ -255,8 +255,9 @@ class PathScatter(pathmodifier.Diffeo):
         self.patternNode.getparent().remove(self.patternNode)
 
 
-e = PathScatter()
-e.affect()
+if __name__ == '__main__':
+    e = PathScatter()
+    e.affect()
 
                     
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/perfectboundcover.py b/share/extensions/perfectboundcover.py
index 0e0231a50..694040434 100644
--- a/share/extensions/perfectboundcover.py
+++ b/share/extensions/perfectboundcover.py
@@ -163,8 +163,10 @@ class PerfectBoundCover(inkex.Effect):
                     
                 node.set('d',cubicsuperpath.formatPath(new))
             '''
-e = PerfectBoundCover()
-e.affect()
+
+if __name__ == '__main__':
+    e = PerfectBoundCover()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/perspective.py b/share/extensions/perspective.py
index 26a23dc0a..53b1a9149 100755
--- a/share/extensions/perspective.py
+++ b/share/extensions/perspective.py
@@ -123,8 +123,9 @@ class Project(inkex.Effect):
         y = p[1]
         return [(x*m[0][0] + y*m[0][1] + m[0][2])/(x*m[2][0]+y*m[2][1]+m[2][2]),(x*m[1][0] + y*m[1][1] + m[1][2])/(x*m[2][0]+y*m[2][1]+m[2][2])]
 
-e = Project()
-e.affect()
+if __name__ == '__main__':
+    e = Project()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/polyhedron_3d.py b/share/extensions/polyhedron_3d.py
index cbb74d435..006d16d6b 100644
--- a/share/extensions/polyhedron_3d.py
+++ b/share/extensions/polyhedron_3d.py
@@ -501,8 +501,9 @@ class Poly_3D(inkex.Effect):
         else:
             sys.stderr.write('Internal Error. No view type selected\n')
         
-e = Poly_3D()
-e.affect()
+if __name__ == '__main__':
+    e = Poly_3D()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/radiusrand.py b/share/extensions/radiusrand.py
index 0e352f56a..15b816853 100755
--- a/share/extensions/radiusrand.py
+++ b/share/extensions/radiusrand.py
@@ -72,8 +72,9 @@ class RadiusRandomize(inkex.Effect):
                             csp[2]=randomize(csp[2], self.options.radiusx, self.options.radiusy, self.options.norm)
                 node.set('d',cubicsuperpath.formatPath(p))
 
-e = RadiusRandomize()
-e.affect()
+if __name__ == '__main__':
+    e = RadiusRandomize()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/render_alphabetsoup.py b/share/extensions/render_alphabetsoup.py
index e3f64fc07..f741eaa57 100644
--- a/share/extensions/render_alphabetsoup.py
+++ b/share/extensions/render_alphabetsoup.py
@@ -451,6 +451,7 @@ class AlphabetSoup(inkex.Effect):
 			new.set('d', simplepath.formatPath(image))
 			self.current_layer.append(new)
 
-e = AlphabetSoup()
-e.affect()
+if __name__ == '__main__':
+    e = AlphabetSoup()
+    e.affect()
 
diff --git a/share/extensions/render_barcode.py b/share/extensions/render_barcode.py
index 590e55b86..77cb3135b 100644
--- a/share/extensions/render_barcode.py
+++ b/share/extensions/render_barcode.py
@@ -54,6 +54,7 @@ class InsertBarcode(inkex.Effect):
 		else:
 			sys.stderr.write("Unable to make barcode with: " + str(self.options) + "\n")
 
-e = InsertBarcode()
-e.affect()
+if __name__ == '__main__':
+        e = InsertBarcode()
+        e.affect()
 
diff --git a/share/extensions/restack.py b/share/extensions/restack.py
index b04c9d4b0..1f61bd3af 100644
--- a/share/extensions/restack.py
+++ b/share/extensions/restack.py
@@ -126,8 +126,9 @@ class Restack(inkex.Effect):
             for item in objlist:
                 svg.append( self.selected[item[1]])
 
-e = Restack()
-e.affect()
+if __name__ == '__main__':
+    e = Restack()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/rtree.py b/share/extensions/rtree.py
index d26eb2566..ddd0078d0 100755
--- a/share/extensions/rtree.py
+++ b/share/extensions/rtree.py
@@ -57,8 +57,9 @@ class RTreeTurtle(inkex.Effect):
         attribs = {'d':t.getPath(),'style':simplestyle.formatStyle(s)}
         inkex.etree.SubElement(self.current_layer, inkex.addNS('path','svg'), attribs)
 
-e = RTreeTurtle()
-e.affect()
+if __name__ == '__main__':
+    e = RTreeTurtle()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/rubberstretch.py b/share/extensions/rubberstretch.py
index 742101a13..5426ea3c9 100644
--- a/share/extensions/rubberstretch.py
+++ b/share/extensions/rubberstretch.py
@@ -73,8 +73,9 @@ class RubberStretch(pathmodifier.Diffeo):
             v[1]*=-1
         bpt[1]*=-1
 
-e = RubberStretch()
-e.affect()
+if __name__ == '__main__':
+    e = RubberStretch()
+    e.affect()
 
     
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/spirograph.py b/share/extensions/spirograph.py
index c276a826e..9dbf0dcea 100644
--- a/share/extensions/spirograph.py
+++ b/share/extensions/spirograph.py
@@ -108,8 +108,9 @@ class Spirograph(inkex.Effect):
         new.set('d', pathString)
         self.current_layer.append(new)
 
-e = Spirograph()
-e.affect()
+if __name__ == '__main__':
+    e = Spirograph()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/straightseg.py b/share/extensions/straightseg.py
index f6460f2d5..16db996fc 100755
--- a/share/extensions/straightseg.py
+++ b/share/extensions/straightseg.py
@@ -65,8 +65,9 @@ class SegmentStraightener(inkex.Effect):
                         last = params[-2:]
                 node.set('d',simplepath.formatPath(p))
 
-e = SegmentStraightener()
-e.affect()
+if __name__ == '__main__':
+    e = SegmentStraightener()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/summersnight.py b/share/extensions/summersnight.py
index 9dc9a0722..f3d9811c4 100755
--- a/share/extensions/summersnight.py
+++ b/share/extensions/summersnight.py
@@ -74,8 +74,9 @@ class Project(inkex.Effect):
         p = intersectSegments(vert,horz)
         return [p['x'],p['y']]    
 
-e = Project()
-e.affect()
+if __name__ == '__main__':
+    e = Project()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/svg_and_media_zip_output.py b/share/extensions/svg_and_media_zip_output.py
index 74311b431..001d5b0f8 100644
--- a/share/extensions/svg_and_media_zip_output.py
+++ b/share/extensions/svg_and_media_zip_output.py
@@ -104,8 +104,9 @@ class MyEffect(inkex.Effect):
             node.set(inkex.addNS('absref',u'sodipodi'),os.path.basename(absref))
 
             
-e = MyEffect()
-e.affect()
+if __name__ == '__main__':
+    e = MyEffect()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/triangle.py b/share/extensions/triangle.py
index 4becf7b88..965de243e 100644
--- a/share/extensions/triangle.py
+++ b/share/extensions/triangle.py
@@ -189,8 +189,9 @@ class Grid_Polar(inkex.Effect):
             
             draw_tri_from_3_sides(s_a, s_b, s_c, offset, tri)
 
-e = Grid_Polar()
-e.affect()
+if __name__ == '__main__':
+    e = Grid_Polar()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99
diff --git a/share/extensions/whirl.py b/share/extensions/whirl.py
index 32e55b291..4c5db2262 100644
--- a/share/extensions/whirl.py
+++ b/share/extensions/whirl.py
@@ -53,8 +53,9 @@ class Whirl(inkex.Effect):
                             point[1] += self.view_center[1]
                 node.set('d',cubicsuperpath.formatPath(p))
 
-e = Whirl()
-e.affect()
+if __name__ == '__main__':
+    e = Whirl()
+    e.affect()
 
 
 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99