merge from trunk (r11955)

(bzr r11687.1.3)

55 files changed, 411 insertions, 288 deletions

diff --git a/share/extensions/color_HSL_adjust.inx b/share/extensions/color_HSL_adjust.inx
index 4c0330f53..b5a18c419 100644
--- a/share/extensions/color_HSL_adjust.inx
+++ b/share/extensions/color_HSL_adjust.inx
@@ -8,11 +8,11 @@
   <param name="tab" type="notebook">
     <page name="Options" _gui-text="Options">
       <param name="hue"        type="int" appearance="full" min="-360" max="360" indent="0" _gui-text="Hue (°):">0</param>
-      <param name="random_h"   type="boolean" _gui-text="Ramdom hue">false</param>
+      <param name="random_h"   type="boolean" _gui-text="Random hue">false</param>
       <param name="saturation" type="int" appearance="full" min="-100" max="100" indent="0" _gui-text="Saturation (%):">0</param>
-      <param name="random_s"   type="boolean" _gui-text="Ramdom saturation">false</param>
+      <param name="random_s"   type="boolean" _gui-text="Random saturation">false</param>
       <param name="lightness"  type="int" appearance="full" min="-100" max="100" indent="0" _gui-text="Lightness (%):">0</param>
-      <param name="random_l"   type="boolean" _gui-text="Ramdom lightness">false</param>
+      <param name="random_l"   type="boolean" _gui-text="Random lightness">false</param>
     </page>
     <page name="Help" _gui-text="Help">
       <_param name="instructions" type="description" xml:space="preserve">Adjusts hue, saturation and lightness in the HSL representation of the selected objects's color.
diff --git a/share/extensions/convert2dashes.py b/share/extensions/convert2dashes.py
index cf42a078a..9e7f6d439 100755
--- a/share/extensions/convert2dashes.py
+++ b/share/extensions/convert2dashes.py
@@ -20,10 +20,13 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
+# local library
+import inkex
+import cubicsuperpath
+import bezmisc
+import simplestyle
 
-import inkex, cubicsuperpath, bezmisc, simplestyle
-import gettext
-_ = gettext.gettext
+inkex.localize()
 
 def tpoint((x1,y1), (x2,y2), t = 0.5):
     return [x1+t*(x2-x1),y1+t*(y2-y1)]
diff --git a/share/extensions/dimension.py b/share/extensions/dimension.py
index 9156fdc2c..4285effeb 100755
--- a/share/extensions/dimension.py
+++ b/share/extensions/dimension.py
@@ -32,16 +32,19 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
 
-import sys, inkex, pathmodifier
-from simpletransform import *
-import gettext
-_ = gettext.gettext
-
+# standard library
+import sys
 try:
     from subprocess import Popen, PIPE
     bsubprocess = True
 except:
     bsubprocess = False
+# local library
+import inkex
+import pathmodifier
+from simpletransform import *
+
+inkex.localize()
 
 class Dimension(pathmodifier.PathModifier):
     def __init__(self):
@@ -127,7 +130,8 @@ class Dimension(pathmodifier.PathModifier):
         try:
             testing_the_water = self.bbox[0]
         except TypeError:
-            sys.exit(_('Unable to process this object.  Try changing it into a path first.'))
+            inkex.errormsg(_('Unable to process this object.  Try changing it into a path first.'))
+            exit()
 
         layer = self.current_layer
 
diff --git a/share/extensions/draw_from_triangle.py b/share/extensions/draw_from_triangle.py
index 124824528..414363e86 100755
--- a/share/extensions/draw_from_triangle.py
+++ b/share/extensions/draw_from_triangle.py
@@ -30,12 +30,15 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
-import inkex
-import simplestyle, sys, simplepath
+# standard library
+import sys
 from math import *
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplestyle
+import simplepath
+
+inkex.localize()
 
 #DRAWING ROUTINES
 
diff --git a/share/extensions/dxf_outlines.py b/share/extensions/dxf_outlines.py
index a5ff0f012..fd01e83e9 100755
--- a/share/extensions/dxf_outlines.py
+++ b/share/extensions/dxf_outlines.py
@@ -30,9 +30,17 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import inkex, simplestyle, simpletransform, cubicsuperpath, coloreffect, dxf_templates, math
-import gettext
-_ = gettext.gettext
+# standard library
+import math
+# local library
+import inkex
+import simplestyle
+import simpletransform
+import cubicsuperpath
+import coloreffect
+import dxf_templates
+
+inkex.localize()
 
 try:
     from numpy import *
diff --git a/share/extensions/embedimage.py b/share/extensions/embedimage.py
index 882455cb0..bdc15bde2 100755
--- a/share/extensions/embedimage.py
+++ b/share/extensions/embedimage.py
@@ -16,10 +16,16 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
+# standard library
+import base64
+import os
+import sys
+import urllib
+import urlparse
+# local library
+import inkex
 
-import inkex, os, base64, urlparse, urllib
-import gettext
-_ = gettext.gettext
+inkex.localize()
 
 class Embedder(inkex.Effect):
     def __init__(self):
@@ -69,12 +75,15 @@ class Embedder(inkex.Effect):
                 if (absref != None):
                     path=absref
 
-            path=unicode(path, "utf-8")
-
+            try:
+                path=unicode(path, "utf-8")
+            except TypeError:
+                path=path
+                
             if (not os.path.isfile(path)):
                 inkex.errormsg(_('No xlink:href or sodipodi:absref attributes found, or they do not point to an existing file! Unable to embed image.'))
                 if path:
-                    inkex.errormsg(_("Sorry we could not locate %s") % path)
+                    inkex.errormsg(_("Sorry we could not locate %s") % str(path))
 
             if (os.path.isfile(path)):
                 file = open(path,"rb").read()
diff --git a/share/extensions/export_gimp_palette.py b/share/extensions/export_gimp_palette.py
index b9d6a1059..25856f4b4 100755
--- a/share/extensions/export_gimp_palette.py
+++ b/share/extensions/export_gimp_palette.py
@@ -7,11 +7,19 @@ Warranty: see above
 
 DOCNAME='sodipodi:docname'
 
-import sys, simplestyle
+# standard library
+import sys
+# third party
 try:
     from xml.dom.minidom import parse
 except:
-    sys.exit(_('The export_gpl.py module requires PyXML.  Please download the latest version from http://pyxml.sourceforge.net/.'))
+    inkex.errormsg(_('The export_gpl.py module requires PyXML.  Please download the latest version from http://pyxml.sourceforge.net/.'))
+    sys.exit()
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
 
 colortags=(u'fill',u'stroke',u'stop-color',u'flood-color',u'lighting-color')
 colors={}
diff --git a/share/extensions/extractimage.py b/share/extensions/extractimage.py
index d5cf285c8..62dc83c87 100755
--- a/share/extensions/extractimage.py
+++ b/share/extensions/extractimage.py
@@ -16,10 +16,13 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
+# standard library
+import base64
+import os
+# local library
+import inkex
 
-import inkex, base64, os
-import gettext
-_ = gettext.gettext
+inkex.localize()
 
 class MyEffect(inkex.Effect):
     def __init__(self):
diff --git a/share/extensions/extrude.inx b/share/extensions/extrude.inx
index dfae5d825..02a1bd803 100644
--- a/share/extensions/extrude.inx
+++ b/share/extensions/extrude.inx
@@ -1,20 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
-    <_name>Extrude</_name>
-    <id>org.greygreen.inkscape.effects.extrude</id>
+	<_name>Extrude</_name>
+	<id>org.greygreen.inkscape.effects.extrude</id>
 	<dependency type="executable" location="extensions">extrude.py</dependency>
 	<dependency type="executable" location="extensions">inkex.py</dependency>
-    <param name="mode" type="enum" _gui-text="Mode:">
-        <_item>Lines</_item>
-        <_item>Polygons</_item>
-    </param>
-    <effect>
+	<param name="mode" type="enum" _gui-text="Mode:">
+		<_item value="Lines">Lines</_item>
+		<_item value="Polygons">Polygons</_item>
+	</param>
+	<effect>
 		<object-type>path</object-type>
-            <effects-menu>
-                <submenu _name="Generate from Path"/>
-            </effects-menu>
-    </effect>
-    <script>
-        <command reldir="extensions" interpreter="python">extrude.py</command>
-    </script>
+		<effects-menu>
+			<submenu _name="Generate from Path"/>
+		</effects-menu>
+	</effect>
+	<script>
+		<command reldir="extensions" interpreter="python">extrude.py</command>
+	</script>
 </inkscape-extension>
diff --git a/share/extensions/extrude.py b/share/extensions/extrude.py
index 88ad26e49..c91ea645e 100755
--- a/share/extensions/extrude.py
+++ b/share/extensions/extrude.py
@@ -16,10 +16,13 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import sys, os
-sys.path.append(os.path.dirname(sys.argv[0]))  #?
+# local library
+import inkex
+import simplepath
+import simpletransform
+import cubicsuperpath
 
-import inkex, simplepath, simpletransform, sys, cubicsuperpath
+inkex.localize()
 
 class Extrude(inkex.Effect):
     def __init__(self):
@@ -36,56 +39,55 @@ class Extrude(inkex.Effect):
         for id, node in self.selected.iteritems():
             if node.tag == '{http://www.w3.org/2000/svg}path':
                 paths.append(node)
-                if len(paths) == 2:
-                    break
-        else:
-            sys.stderr.write('Need 2 paths selected\n')
+        if len(paths) < 2:
+            inkex.errormsg(_('Need at least 2 paths selected'))
             return
 
-
         pts = [cubicsuperpath.parsePath(paths[i].get('d'))
-               for i in (0,1)]
+               for i in range(len(paths))]
 
-        for i in (0,1):
+        for i in range(len(paths)):
             if 'transform' in paths[i].keys():
                 trans = paths[i].get('transform')
                 trans = simpletransform.parseTransform(trans)
                 simpletransform.applyTransformToPath(trans, pts[i])
 
-        verts = []
-        for i in range(0, min(map(len, pts))):
-            comp = []
-            for j in range(0, min(len(pts[0][i]), len(pts[1][i]))):
-                comp.append([pts[0][i][j][1][-2:], pts[1][i][j][1][-2:]])
-            verts.append(comp)
+        for n1 in range(0, len(paths)):
+            for n2 in range(n1 + 1, len(paths)):
+                verts = []
+                for i in range(0, min(map(len, pts))):
+                    comp = []
+                    for j in range(0, min(len(pts[n1][i]), len(pts[n2][i]))):
+                        comp.append([pts[n1][i][j][1][-2:], pts[n2][i][j][1][-2:]])
+                    verts.append(comp)
 
-        if self.options.mode.lower() == 'lines':
-            line = []
-            for comp in verts:
-                for n,v in enumerate(comp):
-                  line += [('M', v[0])]
-                  line += [('L', v[1])]
-            ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
-            paths[0].xpath('..')[0].append(ele)
-            ele.set('d', simplepath.formatPath(line))
-            ele.set('style', 'fill:none;stroke:#000000;stroke-opacity:1;stroke-width:1;')
-        elif self.options.mode.lower() == 'polygons':
-            g = inkex.etree.Element('{http://www.w3.org/2000/svg}g')
-            g.set('style', 'fill:#000000;stroke:#000000;fill-opacity:0.3;stroke-width:2;stroke-opacity:0.6;')   
-            paths[0].xpath('..')[0].append(g)
-            for comp in verts:
-                for n,v in enumerate(comp):
-                    nn = n+1
-                    if nn == len(comp): nn = 0
+                if self.options.mode.lower() == 'lines':
                     line = []
-                    line += [('M', comp[n][0])]
-                    line += [('L', comp[n][1])]
-                    line += [('L', comp[nn][1])]
-                    line += [('L', comp[nn][0])]
-                    line += [('L', comp[n][0])]
+                    for comp in verts:
+                        for n,v in enumerate(comp):
+                            line += [('M', v[0])]
+                            line += [('L', v[1])]
                     ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
-                    g.append(ele)
+                    paths[0].xpath('..')[0].append(ele)
                     ele.set('d', simplepath.formatPath(line))
+                    ele.set('style', 'fill:none;stroke:#000000;stroke-opacity:1;stroke-width:1;')
+                elif self.options.mode.lower() == 'polygons':
+                    g = inkex.etree.Element('{http://www.w3.org/2000/svg}g')
+                    g.set('style', 'fill:#000000;stroke:#000000;fill-opacity:0.3;stroke-width:2;stroke-opacity:0.6;')   
+                    paths[0].xpath('..')[0].append(g)
+                    for comp in verts:
+                        for n,v in enumerate(comp):
+                            nn = n+1
+                            if nn == len(comp): nn = 0
+                            line = []
+                            line += [('M', comp[n][0])]
+                            line += [('L', comp[n][1])]
+                            line += [('L', comp[nn][1])]
+                            line += [('L', comp[nn][0])]
+                            line += [('L', comp[n][0])]
+                            ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
+                            g.append(ele)
+                            ele.set('d', simplepath.formatPath(line))
 
 
 if __name__ == '__main__':   #pragma: no cover
diff --git a/share/extensions/funcplot.py b/share/extensions/funcplot.py
index a868e92a4..08ac15dbb 100755
--- a/share/extensions/funcplot.py
+++ b/share/extensions/funcplot.py
@@ -25,11 +25,15 @@ Changes:
  * 21-Jun-2007: Tavmjong: Added polar coordinates
 
 '''
-import inkex, simplepath, simplestyle
+# standard library
 from math import *
 from random import *
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplepath
+import simplestyle
+
+inkex.localize()
 
 def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bottom, 
     fx = "sin(x)", fpx = "cos(x)", fponum = True, times2pi = False, polar = False, isoscale = True, drawaxis = True, endpts = False):
@@ -39,6 +43,9 @@ def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bott
         xend   = 2 * pi * xend   
       
     # coords and scales based on the source rect
+    if xstart == xend:
+        inkex.errormsg(_("x-interval cannot be zero. Please modify 'Start X' or 'End X'"))
+        return []
     scalex = width / (xend - xstart)
     xoff = left
     coordx = lambda x: (x - xstart) * scalex + xoff  #convert x-value to coordinate
@@ -48,6 +55,9 @@ def drawfunction(xstart, xend, ybottom, ytop, samples, width, height, left, bott
         polar_scalex = width/2.0
         coordx = lambda x: x * polar_scalex + centerx  #convert x-value to coordinate
 
+    if ytop == ybottom:
+        inkex.errormsg(_("y-interval cannot be zero. Please modify 'Y top' or 'Y bottom'"))
+        return []
     scaley = height / (ytop - ybottom)
     yoff = bottom
     coordy = lambda y: (ybottom - y) * scaley + yoff  #convert y-value to coordinate
diff --git a/share/extensions/gcodetools.py b/share/extensions/gcodetools.py
index e5f1944b0..ff0454db0 100755
--- a/share/extensions/gcodetools.py
+++ b/share/extensions/gcodetools.py
@@ -68,9 +68,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 gcodetools_current_version = "1.7"
 
-import inkex, simplestyle, simplepath
-import cubicsuperpath, simpletransform, bezmisc
-
+# standard library
 import os
 import math
 import bezmisc
@@ -82,9 +80,15 @@ import cmath
 import numpy
 import codecs
 import random
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplestyle
+import simplepath
+import cubicsuperpath
+import simpletransform
+import bezmisc
 
+inkex.localize()
  
 ### Check if inkex has errormsg (0.46 version does not have one.) Could be removed later.
 if "errormsg" not in dir(inkex):
diff --git a/share/extensions/gears.inx b/share/extensions/gears.inx
index f5bc23550..78d556b4a 100644
--- a/share/extensions/gears.inx
+++ b/share/extensions/gears.inx
@@ -13,7 +13,7 @@
         <_option value="in">in</_option>
         <_option value="mm">mm</_option>
     </param>
-    <_param name="unit_text" type="description">Unit of measure for both circular pitch and center diameter.</_param>
+    <_param name="unit_text" type="description">Unit of measurement for both circular pitch and center diameter.</_param>
     <effect>
 	<object-type>all</object-type>
         <effects-menu>
diff --git a/share/extensions/generate_voronoi.py b/share/extensions/generate_voronoi.py
index 54400a90a..4ab67dcd6 100755
--- a/share/extensions/generate_voronoi.py
+++ b/share/extensions/generate_voronoi.py
@@ -20,14 +20,20 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 """
-import random, inkex, simplestyle, gettext, voronoi
-_ = gettext.gettext
+# standard library
+import random
+# local library
+import inkex
+import simplestyle
+import voronoi
+
+inkex.localize()
 
 try:
     from subprocess import Popen, PIPE
 except:
-    inkex.errormsg(_("Failed to import the subprocess module. Please report this as a bug at : https://bugs.launchpad.net/inkscape."))
-    inkex.errormsg("Python version is : " + str(inkex.sys.version_info))
+    inkex.errormsg(_("Failed to import the subprocess module. Please report this as a bug at: https://bugs.launchpad.net/inkscape."))
+    inkex.errormsg(_("Python version is: ") + str(inkex.sys.version_info))
     exit()
 
 def clip_line(x1, y1, x2, y2, w, h):
diff --git a/share/extensions/gimp_xcf.py b/share/extensions/gimp_xcf.py
index de3d67de6..ff1589cd8 100755
--- a/share/extensions/gimp_xcf.py
+++ b/share/extensions/gimp_xcf.py
@@ -18,17 +18,16 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
-import gettext
+# standard library
 import os
 import shutil
 from subprocess import Popen, PIPE
 import sys
 import tempfile
-
+# local library
 import inkex
 
-_ = gettext.gettext
+inkex.localize()
 
 # Define extension exceptions
 class GimpXCFError(Exception): pass
diff --git a/share/extensions/guides_creator.py b/share/extensions/guides_creator.py
index 96f2557ee..e7458b81e 100755
--- a/share/extensions/guides_creator.py
+++ b/share/extensions/guides_creator.py
@@ -43,18 +43,16 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 import sys
 sys.path.append('/usr/share/inkscape/extensions')
 
-# We will use the inkex module with the predefined Effect base class.
-import inkex
-from simplestyle import *
-
 from xml.etree import ElementTree as ET
-
 # for golden number formulae
 from math import sqrt
 
-# for printing debugging output
-import gettext
-_ = gettext.gettext
+# We will use the inkex module with the predefined Effect base class.
+import inkex
+from simplestyle import *
+
+# for localized debugging output
+inkex.localize()
 
 def printDebug(string):
         inkex.errormsg(_(string))
diff --git a/share/extensions/guillotine.py b/share/extensions/guillotine.py
index bda56b206..82b1a5441 100755
--- a/share/extensions/guillotine.py
+++ b/share/extensions/guillotine.py
@@ -37,22 +37,22 @@ will export to:
 etc.
 
 '''
-
+# standard library
+import locale
 import os
 import sys
-import inkex
-import simplestyle
-import locale
-import gettext
-_ = gettext.gettext
-
-locale.setlocale(locale.LC_ALL, '')
-
 try:
     from subprocess import Popen, PIPE
     bsubprocess = True
 except:
     bsubprocess = False
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
+
+locale.setlocale(locale.LC_ALL, '')
 
 def float_sort(a, b):
     '''
diff --git a/share/extensions/inkex.py b/share/extensions/inkex.py
index 6a29e3f64..4ba88c3bb 100755
--- a/share/extensions/inkex.py
+++ b/share/extensions/inkex.py
@@ -33,25 +33,8 @@ import os
 import random
 import re
 import sys
-
 from math import *
 
-domain = 'inkscape'
-if sys.platform.startswith('win'):
-    import locale
-    current_locale, encoding = locale.getdefaultlocale()
-    os.environ['LANG'] = current_locale
-    try:
-        localdir = os.environ['INKSCAPE_LOCALEDIR'];
-        #sys.stderr.write(str(localdir) + "\n")
-        gettext= gettext.translation(domain, localdir, [current_locale], fallback=True)
-    except KeyError:
-        gettext= gettext.translation(domain, fallback=True)
-else:
-    gettext= gettext.translation(domain, fallback=True)
-
-_ = gettext.gettext
-
 #a dictionary of all of the xmlns prefixes in a standard inkscape doc
 NSS = {
 u'sodipodi' :u'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd',
@@ -65,6 +48,36 @@ u'xlink'    :u'http://www.w3.org/1999/xlink',
 u'xml'      :u'http://www.w3.org/XML/1998/namespace'
 }
 
+def localize():
+    domain = 'inkscape'
+    if sys.platform.startswith('win'):
+        import locale
+        current_locale, encoding = locale.getdefaultlocale()
+        os.environ['LANG'] = current_locale
+        try:
+            localdir = os.environ['INKSCAPE_LOCALEDIR'];
+            trans = gettext.translation(domain, localdir, [current_locale], fallback=True)
+        except KeyError:
+            trans = gettext.translation(domain, fallback=True)
+    elif sys.platform.startswith('darwin'):
+        try:
+            localdir = os.environ['INKSCAPE_LOCALEDIR'];
+            trans = gettext.translation(domain, localdir, fallback=True)
+        except KeyError:
+            try:
+                localdir = os.environ['PACKAGE_LOCALE_DIR'];
+                trans = gettext.translation(domain, localdir, fallback=True)
+            except KeyError:
+                trans = gettext.translation(domain, fallback=True)
+    else:
+        try:
+            localdir = os.environ['PACKAGE_LOCALE_DIR'];
+            trans = gettext.translation(domain, localdir, fallback=True)
+        except KeyError:
+            trans = gettext.translation(domain, fallback=True)
+    #sys.stderr.write(str(localdir) + "\n")
+    trans.install()
+
 #a dictionary of unit to user unit conversion factors
 uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'm':3543.3070866,
           'km':3543307.0866, 'pc':15.0, 'yd':3240 , 'ft':1080}
@@ -89,12 +102,6 @@ def unittouu(string):
 def uutounit(val, unit):
     return val/uuconv[unit]
 
-try:
-    from lxml import etree
-except Exception, e:
-    sys.exit(_("The fantastic lxml wrapper for libxml2 is required by inkex.py and therefore this extension. Please download and install the latest version from http://cheeseshop.python.org/pypi/lxml/, or install it through your package manager by a command like: sudo apt-get install python-lxml\n\nTechnical details:\n%s" % (e,)))
- 
-
 def debug(what):
     sys.stderr.write(str(what) + "\n")
     return what
@@ -108,16 +115,24 @@ def errormsg(msg):
       
        Note that this should always be combined with translation:
 
-         import gettext
-         _ = gettext.gettext
+         import inkex
+         inkex.localize()
          ...
          inkex.errormsg(_("This extension requires two selected paths."))
     """
     if isinstance(msg, unicode):
-        sys.stderr.write(_(msg).encode("UTF-8") + "\n")
+        sys.stderr.write(msg.encode("UTF-8") + "\n")
     else:
-        sys.stderr.write((unicode(_(msg), "utf-8", errors='replace') + "\n").encode("UTF-8"))
+        sys.stderr.write((unicode(msg, "utf-8", errors='replace') + "\n").encode("UTF-8"))
 
+# third party library
+try:
+    from lxml import etree
+except Exception, e:
+    localize()
+    errormsg(_("The fantastic lxml wrapper for libxml2 is required by inkex.py and therefore this extension. Please download and install the latest version from http://cheeseshop.python.org/pypi/lxml/, or install it through your package manager by a command like: sudo apt-get install python-lxml\n\nTechnical details:\n%s" % (e,)))
+    sys.exit()
+    
 def check_inkbool(option, opt, value):
     if str(value).capitalize() == 'True':
         return True
diff --git a/share/extensions/interp_att_g.py b/share/extensions/interp_att_g.py
index 5f2b3574a..8ceaf8e34 100755
--- a/share/extensions/interp_att_g.py
+++ b/share/extensions/interp_att_g.py
@@ -16,9 +16,15 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import inkex, simplestyle, math, re, string
-import gettext
-_ = gettext.gettext
+# standard library
+import math
+import re
+import string
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
 
 class InterpAttG(inkex.Effect):
 
diff --git a/share/extensions/jessyInk_autoTexts.py b/share/extensions/jessyInk_autoTexts.py
index cf41ad24f..ed0edb6fa 100755
--- a/share/extensions/jessyInk_autoTexts.py
+++ b/share/extensions/jessyInk_autoTexts.py
@@ -25,8 +25,7 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+inkex.localize()
 
 class JessyInk_AutoTexts(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_effects.py b/share/extensions/jessyInk_effects.py
index 3af909bb2..e20e9fc2c 100755
--- a/share/extensions/jessyInk_effects.py
+++ b/share/extensions/jessyInk_effects.py
@@ -25,8 +25,7 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+inkex.localize()
 
 class JessyInk_Effects(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_export.py b/share/extensions/jessyInk_export.py
index 65247ab7e..71907e276 100755
--- a/share/extensions/jessyInk_export.py
+++ b/share/extensions/jessyInk_export.py
@@ -30,8 +30,8 @@ import os
 import zipfile
 import glob
 import re
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 def propStrToDict(inStr):
 	dictio = {}
diff --git a/share/extensions/jessyInk_keyBindings.py b/share/extensions/jessyInk_keyBindings.py
index 110ca3355..df50f4447 100755
--- a/share/extensions/jessyInk_keyBindings.py
+++ b/share/extensions/jessyInk_keyBindings.py
@@ -25,8 +25,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class	JessyInk_CustomKeyBindings(inkex.Effect):
 	modes = ('slide', 'index', 'drawing')
diff --git a/share/extensions/jessyInk_masterSlide.py b/share/extensions/jessyInk_masterSlide.py
index c29922d94..eca7711ff 100755
--- a/share/extensions/jessyInk_masterSlide.py
+++ b/share/extensions/jessyInk_masterSlide.py
@@ -25,8 +25,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class JessyInk_MasterSlide(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_mouseHandler.py b/share/extensions/jessyInk_mouseHandler.py
index 4eff4c467..fafc8eec3 100755
--- a/share/extensions/jessyInk_mouseHandler.py
+++ b/share/extensions/jessyInk_mouseHandler.py
@@ -27,8 +27,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class	JessyInk_CustomMouseHandler(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_summary.py b/share/extensions/jessyInk_summary.py
index 48478c41e..feff79b37 100755
--- a/share/extensions/jessyInk_summary.py
+++ b/share/extensions/jessyInk_summary.py
@@ -25,8 +25,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 def propStrToList(str):
 	list = []
@@ -71,7 +71,7 @@ class JessyInk_Summary(inkex.Effect):
 				inkex.errormsg(_("JessyInk script installed."))
 	
 		slides = []
-		masterSlide = None 
+		masterSlide = None  
 
 		for node in self.document.xpath("//svg:g[@inkscape:groupmode='layer']", namespaces=inkex.NSS):
 			if node.get("{" + inkex.NSS["jessyink"] + "}masterSlide"):
diff --git a/share/extensions/jessyInk_transitions.py b/share/extensions/jessyInk_transitions.py
index 18cd3f880..bfd75584c 100755
--- a/share/extensions/jessyInk_transitions.py
+++ b/share/extensions/jessyInk_transitions.py
@@ -25,8 +25,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class JessyInk_Transitions(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_video.py b/share/extensions/jessyInk_video.py
index 51c73494b..bca98e9a7 100755
--- a/share/extensions/jessyInk_video.py
+++ b/share/extensions/jessyInk_video.py
@@ -29,8 +29,8 @@ import os
 import re
 from lxml import etree
 from copy import deepcopy
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class JessyInk_Effects(inkex.Effect):
 	def __init__(self):
diff --git a/share/extensions/jessyInk_view.py b/share/extensions/jessyInk_view.py
index 04adc27ae..ee71a1d35 100755
--- a/share/extensions/jessyInk_view.py
+++ b/share/extensions/jessyInk_view.py
@@ -25,8 +25,8 @@ sys.path.append('C:\Program Files\Inkscape\share\extensions')
 
 # We will use the inkex module with the predefined Effect base class.
 import inkex
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 def propStrToList(str):
 	list = []
diff --git a/share/extensions/launch_webbrowser.py b/share/extensions/launch_webbrowser.py
index 387d8b2cb..27a738e38 100755
--- a/share/extensions/launch_webbrowser.py
+++ b/share/extensions/launch_webbrowser.py
@@ -1,10 +1,11 @@
 #!/usr/bin/env python
-import gettext
+# standard library
 import webbrowser
 import threading
 from optparse import OptionParser
-
-_ = gettext.gettext
+# local library
+import inkex
+inkex.localize()
 
 class VisitWebSiteWithoutLockingInkscape(threading.Thread):
     def __init__(self):
diff --git a/share/extensions/markers_strokepaint.py b/share/extensions/markers_strokepaint.py
index 5c760cd17..d92716939 100755
--- a/share/extensions/markers_strokepaint.py
+++ b/share/extensions/markers_strokepaint.py
@@ -17,9 +17,14 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import random, inkex, simplestyle, copy
-import gettext
-_ = gettext.gettext
+# standard library
+import random
+import copy
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
 
 class MyEffect(inkex.Effect):
     def __init__(self):
diff --git a/share/extensions/pathalongpath.py b/share/extensions/pathalongpath.py
index 71f389e1c..7da7f1797 100755
--- a/share/extensions/pathalongpath.py
+++ b/share/extensions/pathalongpath.py
@@ -30,12 +30,19 @@ as painted on these lines.
 Now move and bend L to make it fit a skeleton, and see what happens to the normals:
 they move and rotate, deforming the pattern.
 '''
-
-import inkex, cubicsuperpath, bezmisc
-import pathmodifier,simpletransform
-import copy, math, re, random
-import gettext
-_ = gettext.gettext
+# standard library
+import copy
+import math
+import re
+import random
+# local library
+import inkex
+import cubicsuperpath
+import bezmisc
+import pathmodifier
+import simpletransform
+
+inkex.localize()
 
 def flipxy(path):
     for pathcomp in path:
diff --git a/share/extensions/pathmodifier.py b/share/extensions/pathmodifier.py
index ceb0994e6..ff2bbfb3a 100755
--- a/share/extensions/pathmodifier.py
+++ b/share/extensions/pathmodifier.py
@@ -27,11 +27,19 @@ to implement deformations of the form X=f(x,y), Y=g(x,y)...
 TODO: Several handy functions are defined, that might in fact be of general
 interest and that should be shipped out in separate files...
 '''
-import inkex, cubicsuperpath, bezmisc, simplestyle
+# standard library
+import copy
+import math
+import re
+import random
+# local library
+import inkex
+import cubicsuperpath
+import bezmisc
+import simplestyle
 from simpletransform import *
-import copy, math, re, random
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 ####################################################################
 ##-- zOrder computation...
diff --git a/share/extensions/pathscatter.py b/share/extensions/pathscatter.py
index 6ed3cc8ac..268e31069 100755
--- a/share/extensions/pathscatter.py
+++ b/share/extensions/pathscatter.py
@@ -30,13 +30,21 @@ as painted on these lines.
 Now move and bend L to make it fit a skeleton, and see what happens to the normals:
 they move and rotate, deforming the pattern.
 '''
-
-import inkex, cubicsuperpath, bezmisc
-import pathmodifier, simpletransform 
+# standard library
+import copy
+import math
+import re
+import random
+# third party
 from lxml import etree
-import copy, math, re, random
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import cubicsuperpath
+import bezmisc
+import pathmodifier
+import simpletransform 
+
+inkex.localize()
 
 def zSort(inNode,idList):
     sortedList=[]
diff --git a/share/extensions/perspective.py b/share/extensions/perspective.py
index 733fb121a..8a0ffeb0b 100755
--- a/share/extensions/perspective.py
+++ b/share/extensions/perspective.py
@@ -18,10 +18,26 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 Perspective approach & math by Dmitry Platonov, shadowjack@mail.ru, 2006
 """
-import sys, inkex, os, re, simplepath, cubicsuperpath, simpletransform, voronoi2svg
-import gettext
-_ = gettext.gettext
+# standard library
+import sys
+import os
+import re
+try:
+    from subprocess import Popen, PIPE
+    bsubprocess = True
+except:
+    bsubprocess = False
+# local library
+import inkex
+import simplepath
+import cubicsuperpath
+import simpletransform
+import voronoi2svg
 from ffgeom import *
+
+inkex.localize()
+
+# third party
 try:
     from numpy import *
     from numpy.linalg import *
@@ -29,30 +45,6 @@ except:
     inkex.errormsg(_("Failed to import the numpy or numpy.linalg modules. These modules are required by this extension. Please install them and try again.  On a Debian-like system this can be done with the command, sudo apt-get install python-numpy."))
     exit()
 
-try:
-    from subprocess import Popen, PIPE
-    bsubprocess = True
-except:
-    bsubprocess = False
-
-uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'pc':15.0}
-def unittouu(string):
-    unit = re.compile('(%s)$' % '|'.join(uuconv.keys()))
-    param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
-
-    p = param.match(string)
-    u = unit.search(string)    
-    if p:
-        retval = float(p.string[p.start():p.end()])
-    else:
-        retval = 0.0
-    if u:
-        try:
-            return retval * uuconv[u.string[u.start():u.end()]]
-        except KeyError:
-            pass
-    return retval
-
 class Project(inkex.Effect):
     def __init__(self):
         inkex.Effect.__init__(self)
diff --git a/share/extensions/polyhedron_3d.py b/share/extensions/polyhedron_3d.py
index 1efce876f..063912cc2 100755
--- a/share/extensions/polyhedron_3d.py
+++ b/share/extensions/polyhedron_3d.py
@@ -48,12 +48,17 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
-import inkex
-import simplestyle, sys, re
+# standard library
+import sys
+import re
 from math import *
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
+
+# third party
 try:
     from numpy import *
 except:
diff --git a/share/extensions/print_win32_vector.py b/share/extensions/print_win32_vector.py
index 49baec136..e77b49826 100644
--- a/share/extensions/print_win32_vector.py
+++ b/share/extensions/print_win32_vector.py
@@ -27,11 +27,15 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
+# standard library
 from ctypes import *
-import inkex, simplestyle, simpletransform, cubicsuperpath
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplestyle
+import simpletransform
+import cubicsuperpath
+
+inkex.localize()
 
 if not inkex.sys.platform.startswith('win'):
     exit(_("sorry, this will run only on Windows, exiting..."))
diff --git a/share/extensions/render_alphabetsoup.py b/share/extensions/render_alphabetsoup.py
index f682e9b57..ad43163e4 100755
--- a/share/extensions/render_alphabetsoup.py
+++ b/share/extensions/render_alphabetsoup.py
@@ -18,22 +18,23 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
+# standard library
 import copy
-import inkex
-import simplestyle
 import math
 import cmath
 import string
 import random
-import render_alphabetsoup_config
-import bezmisc
-import simplepath
 import os
 import sys
 import re
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+import simplestyle
+import render_alphabetsoup_config
+import bezmisc
+import simplepath
+
+inkex.localize()
 
 syntax   = render_alphabetsoup_config.syntax
 alphabet = render_alphabetsoup_config.alphabet
diff --git a/share/extensions/render_barcode_datamatrix.py b/share/extensions/render_barcode_datamatrix.py
index 20bcf94dc..2d28bb433 100755
--- a/share/extensions/render_barcode_datamatrix.py
+++ b/share/extensions/render_barcode_datamatrix.py
@@ -51,11 +51,11 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     0.50    2009-10-25  Full functionality, up to 144x144.
                         ASCII and compressed digit encoding only.
 '''
+# local library
+import inkex
+import simplestyle
 
-import inkex, simplestyle
-
-import gettext
-_ = gettext.gettext
+inkex.localize()
     
 symbols = {
     'sq10': (10, 10),
diff --git a/share/extensions/render_barcode_qrcode.py b/share/extensions/render_barcode_qrcode.py
index 2ed649a8f..8147d49a6 100755
--- a/share/extensions/render_barcode_qrcode.py
+++ b/share/extensions/render_barcode_qrcode.py
@@ -3,6 +3,8 @@
 import math, sys
 import inkex
 
+inkex.localize()
+
 #QRCode for Python
 #
 #Ported from the Javascript library by Sam Curren
diff --git a/share/extensions/replace_font.py b/share/extensions/replace_font.py
index f0f25ab8e..090920ced 100755
--- a/share/extensions/replace_font.py
+++ b/share/extensions/replace_font.py
@@ -27,13 +27,14 @@ font.
 It can also replace all fonts indiscriminately, and list all fonts
 currently being used.
 '''
-
+# standard library
 import os
 import sys
+# local library
 import inkex
 import simplestyle
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 text_tags = ['{http://www.w3.org/2000/svg}tspan',
                             '{http://www.w3.org/2000/svg}text',
diff --git a/share/extensions/scour.inkscape.py b/share/extensions/scour.inkscape.py
index 1cc7744d9..f161a09c2 100755
--- a/share/extensions/scour.inkscape.py
+++ b/share/extensions/scour.inkscape.py
@@ -65,8 +65,9 @@ class ScourInkscape (inkex.Effect):
             action="store", dest="renderer_workaround", default=False,
             help="work around various renderer bugs (currently only librsvg)")
 
-    def effect(self):   
+    def effect(self):
         input = file(self.args[0], "r")
+        self.options.infilename=self.args[0]
         sys.stdout.write(scourString(input.read(), self.options).encode("UTF-8"))
         input.close()
         sys.stdout.close()
diff --git a/share/extensions/summersnight.py b/share/extensions/summersnight.py
index 3bfa70cbd..aea5cea55 100755
--- a/share/extensions/summersnight.py
+++ b/share/extensions/summersnight.py
@@ -17,18 +17,17 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 """
-import gettext
+# standard library
 import os
-
+# local library
 import cubicsuperpath
 import inkex
 import simplepath
 import simpletransform
 import voronoi2svg
-
 from ffgeom import *
 
-_ = gettext.gettext
+inkex.localize()
 
 try:
     from subprocess import Popen, PIPE
diff --git a/share/extensions/svg_and_media_zip_output.py b/share/extensions/svg_and_media_zip_output.py
index 62e2b2ef5..20a5dac18 100755
--- a/share/extensions/svg_and_media_zip_output.py
+++ b/share/extensions/svg_and_media_zip_output.py
@@ -36,8 +36,7 @@ TODOs
 - maybe add better extention
 - consider switching to lzma in order to allow cross platform compression with no encoding problem...
 '''
-
-import inkex
+# standard library
 import urlparse
 import urllib
 import os, os.path
@@ -46,11 +45,13 @@ import zipfile
 import shutil
 import sys
 import tempfile
-import simplestyle
-import gettext
 import locale
+# local library
+import inkex
+import simplestyle
+
 locale.setlocale(locale.LC_ALL, '')
-_ = gettext.gettext
+inkex.localize()
 
 class CompressedMediaOutput(inkex.Effect):
     def __init__(self):
diff --git a/share/extensions/svgcalendar.py b/share/extensions/svgcalendar.py
index 818dbd0a4..b6d360ab0 100755
--- a/share/extensions/svgcalendar.py
+++ b/share/extensions/svgcalendar.py
@@ -37,6 +37,8 @@ from datetime import *
 import inkex
 import simplestyle
 
+inkex.localize()
+
 class SVGCalendar (inkex.Effect):
 
     def __init__(self):
diff --git a/share/extensions/test/Makefile.am b/share/extensions/test/Makefile.am
index eb63f357b..f7c59970f 100644
--- a/share/extensions/test/Makefile.am
+++ b/share/extensions/test/Makefile.am
@@ -42,7 +42,6 @@ EXTRA_DIST = \
 		perfectboundcover.test.py \
 		perspective.test.py \
 		polyhedron_3d.test.py \
-		printing-marks.test.py \
 		radiusrand.test.py \
 		render_alphabetsoup.test.py \
 		render_barcode.test.py \
diff --git a/share/extensions/uniconv-ext.py b/share/extensions/uniconv-ext.py
index 246340e89..5608000c4 100755
--- a/share/extensions/uniconv-ext.py
+++ b/share/extensions/uniconv-ext.py
@@ -20,14 +20,8 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 """
-
+# standard library
 import sys
-from run_command import run
-import gettext
-_ = gettext.gettext
-
-cmd = None
-
 try:
     from subprocess import Popen, PIPE
     p = Popen('uniconvertor', shell=True, stdout=PIPE, stderr=PIPE).wait()
@@ -43,6 +37,13 @@ except ImportError:
     if p!=32512 : cmd = 'uniconv'
     p = Popen3('uniconvertor', True).wait()
     if p!=32512 : cmd = 'uniconvertor'
+# local library
+from run_command import run
+import inkex
+
+cmd = None
+
+inkex.localize()
 
 if cmd == None:
     # there's no succeffully-returning uniconv command; try to get the module directly (on Windows)
diff --git a/share/extensions/uniconv_output.py b/share/extensions/uniconv_output.py
index 30d1c2fe0..93236483d 100755
--- a/share/extensions/uniconv_output.py
+++ b/share/extensions/uniconv_output.py
@@ -28,11 +28,13 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 # On failure, outputs an error message to stderr, and exits with a return
 # code of 1.
 
+# standard library
 import os
 import sys
 import tempfile
-import gettext
-_ = gettext.gettext
+# local library
+import inkex
+inkex.localize()
 
 def run(command_format, prog_name, uniconv_format):
     outfile = tempfile.mktemp(uniconv_format)
diff --git a/share/extensions/voronoi2svg.py b/share/extensions/voronoi2svg.py
index 7687bba91..dd693f8bb 100755
--- a/share/extensions/voronoi2svg.py
+++ b/share/extensions/voronoi2svg.py
@@ -27,11 +27,17 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 """
-import sys, os
-import inkex, simplestyle, simplepath, simpletransform
+# standard library
+import sys
+import os
+# local library
+import inkex
+import simplestyle
+import simplepath
+import simpletransform
 import voronoi
-import gettext
-_ = gettext.gettext
+
+inkex.localize()
 
 class Point:
   def __init__(self,x,y):
diff --git a/share/extensions/web-set-att.py b/share/extensions/web-set-att.py
index 65dd5a5b4..b224ed9aa 100755
--- a/share/extensions/web-set-att.py
+++ b/share/extensions/web-set-att.py
@@ -16,9 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import inkwebeffect, gettext
+# local library
+import inkwebeffect
+import inkex
 
-_ = gettext.gettext
+inkex.localize()
 
 class InkWebTransmitAtt(inkwebeffect.InkWebEffect):
 
diff --git a/share/extensions/web-transmit-att.py b/share/extensions/web-transmit-att.py
index 35f16e145..414eb12ea 100755
--- a/share/extensions/web-transmit-att.py
+++ b/share/extensions/web-transmit-att.py
@@ -16,9 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-import inkwebeffect, gettext
+# local library
+import inkwebeffect
+import inkex
 
-_ = gettext.gettext
+inkex.localize()
 
 class InkWebTransmitAtt(inkwebeffect.InkWebEffect):
 
diff --git a/share/extensions/webslicer_create_group.py b/share/extensions/webslicer_create_group.py
index 613162850..dd48c3e96 100755
--- a/share/extensions/webslicer_create_group.py
+++ b/share/extensions/webslicer_create_group.py
@@ -16,12 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
+# local library
 from webslicer_effect import *
 import inkex
-import gettext
 
-_ = gettext.gettext
+inkex.localize()
 
 class WebSlicer_CreateGroup(WebSlicer_Effect):
 
diff --git a/share/extensions/webslicer_create_rect.py b/share/extensions/webslicer_create_rect.py
index 9e916532f..7c04e8706 100755
--- a/share/extensions/webslicer_create_rect.py
+++ b/share/extensions/webslicer_create_rect.py
@@ -16,12 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
+# local library
 from webslicer_effect import *
 import inkex
-import gettext
 
-_ = gettext.gettext
+inkex.localize()
 
 class WebSlicer_CreateRect(WebSlicer_Effect):
 
diff --git a/share/extensions/webslicer_export.py b/share/extensions/webslicer_export.py
index c50cbcc32..118dfbeee 100755
--- a/share/extensions/webslicer_export.py
+++ b/share/extensions/webslicer_export.py
@@ -16,15 +16,15 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-
-from webslicer_effect import *
-import inkex
-import gettext
+# standard library
 import os
 import sys
 import tempfile
+# local library
+from webslicer_effect import *
+import inkex
 
-_ = gettext.gettext
+inkex.localize()
 
 
 class WebSlicer_Export(WebSlicer_Effect):
diff --git a/share/extensions/wireframe_sphere.py b/share/extensions/wireframe_sphere.py
index 467aa609e..5804a1b45 100755
--- a/share/extensions/wireframe_sphere.py
+++ b/share/extensions/wireframe_sphere.py
@@ -54,13 +54,13 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                         Hidden lines of latitude still not properly calculated.
                         Prolate and oblate spheroids not considered.
 '''
-
-import inkex, simplestyle
-
-import gettext
-_ = gettext.gettext
-
+# standard library
 from math import *
+# local library
+import inkex
+import simplestyle
+
+inkex.localize()
 
 #SVG OUTPUT FUNCTIONS ================================================
 def draw_SVG_ellipse((rx, ry), (cx, cy), parent, start_end=(0,2*pi),transform='' ):