From 2e8f7af830a883b769f3c2079049da51e4c8bdf3 Mon Sep 17 00:00:00 2001
From: aurium <aurium@users.sourceforge.net>
Date: Thu, 16 Apr 2009 20:17:24 +0000
Subject: [PATCH] replaced "-" to "_" in the interp_att_g extension name to be
 usable as module and added a notification for a execution without selection.

---
 share/extensions/Makefile.am                   |  4 ++--
 .../{interp-att-g.inx => interp_att_g.inx}     |  4 ++--
 .../{interp-att-g.py => interp_att_g.py}       | 18 +++++++++++++-----
 ...terp-att-g.test.py => interp_att_g.test.py} |  2 +-
 4 files changed, 18 insertions(+), 10 deletions(-)
 rename share/extensions/{interp-att-g.inx => interp_att_g.inx} (93%)
 rename share/extensions/{interp-att-g.py => interp_att_g.py} (95%)
 rename share/extensions/test/{interp-att-g.test.py => interp_att_g.test.py} (96%)

diff --git a/share/extensions/Makefile.am b/share/extensions/Makefile.am
index 01577acf5..3d08ee798 100644
--- a/share/extensions/Makefile.am
+++ b/share/extensions/Makefile.am
@@ -71,7 +71,7 @@ extensions = \
 	inkwebeffect.py \
 	inkweb.js \
 	interp.py \
-	interp-att-g.py \
+	interp_att_g.py \
 	launch_webbrowser.py \
 	lindenmayer.py \
 	lorem_ipsum.py \
@@ -194,7 +194,7 @@ modules = \
 	inkscape_help_svgspec.inx \
 	inkscape_help_keys.inx \
 	interp.inx \
-	interp-att-g.inx \
+	interp_att_g.inx \
 	lindenmayer.inx \
 	lorem_ipsum.inx \
 	markers_strokepaint.inx \
diff --git a/share/extensions/interp-att-g.inx b/share/extensions/interp_att_g.inx
similarity index 93%
rename from share/extensions/interp-att-g.inx
rename to share/extensions/interp_att_g.inx
index 504833db5..cd78abccf 100644
--- a/share/extensions/interp-att-g.inx
+++ b/share/extensions/interp_att_g.inx
@@ -2,7 +2,7 @@
 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
   <_name>Interpolate Attribute in a group</_name>
   <id>org.inkscape.filter.interp-att-g</id>
-  <dependency type="executable" location="extensions">interp-att-g.py</dependency>
+  <dependency type="executable" location="extensions">interp_att_g.py</dependency>
   <dependency type="executable" location="extensions">inkex.py</dependency>
   <_param name="intro" type="description">This effect applies a value for any interpolatable attribute for all elements inside the selected group or for all elements in a multiple selection</_param>
   <param name="att" type="enum" _gui-text="Attribute to Interpolate">
@@ -46,6 +46,6 @@
     </effects-menu>
   </effect>
   <script>
-    <command reldir="extensions" interpreter="python">interp-att-g.py</command>
+    <command reldir="extensions" interpreter="python">interp_att_g.py</command>
   </script>
 </inkscape-extension>
diff --git a/share/extensions/interp-att-g.py b/share/extensions/interp_att_g.py
similarity index 95%
rename from share/extensions/interp-att-g.py
rename to share/extensions/interp_att_g.py
index 021d7b711..503e4ec60 100755
--- a/share/extensions/interp-att-g.py
+++ b/share/extensions/interp_att_g.py
@@ -99,6 +99,9 @@ class InterpAttG(inkex.Effect):
 
     def getTotElements(self):
       self.tot_el = 0
+      self.collection = None
+      if len( self.selected ) == 0:
+        return False
       if len( self.selected ) > 1:
         # multiple selection
         self.collection = self.options.ids
@@ -148,9 +151,9 @@ class InterpAttG(inkex.Effect):
       else:
         self.getNumberValues()
 
-      #inkex.errormsg( 'R+: '+ str( self.R_inc ) )
-      #inkex.errormsg( 'G+: '+ str( self.G_inc ) )
-      #inkex.errormsg( 'B+: '+ str( self.B_inc ) )
+      if self.collection is None:
+        inkex.errormsg( 'There is no selection to interpolate' )
+        return False
 
       for node in self.collection:
         if self.inte_att_type == 'color':
@@ -192,6 +195,11 @@ class InterpAttG(inkex.Effect):
         else:
           self.val_cur += self.val_inc
 
-if __name__ == '__main__':
+      return True
+
+if __name__ == '__main__':   #pragma: no cover
     e = InterpAttG()
-    e.affect()
+    if e.affect():
+      exit(0)
+    else:
+      exit(1)
diff --git a/share/extensions/test/interp-att-g.test.py b/share/extensions/test/interp_att_g.test.py
similarity index 96%
rename from share/extensions/test/interp-att-g.test.py
rename to share/extensions/test/interp_att_g.test.py
index f35a7a167..d7cec126c 100755
--- a/share/extensions/test/interp-att-g.test.py
+++ b/share/extensions/test/interp_att_g.test.py
@@ -10,7 +10,7 @@ import sys
 sys.path.append('..') # this line allows to import the extension code
 
 import unittest
-from interp-att-g import *
+from interp_att_g import *
 
 class InterpAttGBasicTest(unittest.TestCase):
 
-- 
2.30.2