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def do_creaprim(self, mesh, objname, addondir):
	
	global message
	
	objname = objname.replace(".", "")
	objname = objname.replace(" ", "_")
	bm = bmesh.new()
	bm.from_mesh(mesh)	  
	
	
	try:
		txt = bpy.data.texts[str.lower("add_mesh_" + objname) + ".py"]
		txt.clear()
	except:
		txt = bpy.data.texts.new("add_mesh_" + str.lower(objname) + ".py")
	
	strlist = []
	strlist.append("bl_info = {\n")
	strlist.append("\"name\": \"" + objname + "\", \n")
	strlist.append("\"author\": \"Gert De Roost\",\n")
	strlist.append("\"version\": (1, 0, 0),\n")
	strlist.append("\"blender\": (2, 65, 0),\n")
	strlist.append("\"location\": \"Add > Mesh\",\n")
	strlist.append("\"description\": \"Create " + objname + " primitive.\",\n")
	strlist.append("\"warning\": \"\",\n")
	strlist.append("\"wiki_url\": \"\",\n")
	strlist.append("\"tracker_url\": \"\",\n")
	strlist.append("\"category\": \"Add Mesh\"}\n")
	strlist.append("\n")
	strlist.append("\n") 
	strlist.append("if \"bpy\" in locals():\n")
	strlist.append("	   import imp\n")
	strlist.append("\n")
	strlist.append("\n")
	strlist.append("import bpy\n")
	strlist.append("import bmesh\n")
	strlist.append("import math\n")
	strlist.append("from mathutils import *\n")
	strlist.append("\n")
	strlist.append("\n")
	strlist.append("\n")
	strlist.append("\n")
	strlist.append("class " + objname + "(bpy.types.Operator):\n")
	strlist.append("	bl_idname = \"mesh." + str.lower(objname) + "\"\n")
	strlist.append("	bl_label = \"" + objname + "\"\n")
	strlist.append("	bl_options = {\'REGISTER\', \'UNDO\'}\n")
	strlist.append("	bl_description = \"add " + objname + " primitive\"\n")
	strlist.append("\n")
	strlist.append("	def invoke(self, context, event):\n")
	strlist.append("\n")
	strlist.append("		mesh = bpy.data.meshes.new(name=\"" + objname + "\")\n")
	strlist.append("		obj = bpy.data.objects.new(name=\"" + objname + "\", object_data=mesh)\n")
	strlist.append("		scene = bpy.context.scene\n")
	strlist.append("		scene.objects.link(obj)\n")
	strlist.append("		obj.location = scene.cursor_location\n")
	strlist.append("		bm = bmesh.new()\n")
	strlist.append("		bm.from_mesh(mesh)\n")
	strlist.append("\n")
	strlist.append("		idxlist = []\n")
	posn = 0
	strlist.append("		vertlist = [")
	for v in bm.verts:
		if posn > 0:
			strlist.append(", ")
		posn += 1
		strlist.append(str(v.co[:]))
	strlist.append("]\n")	 
	strlist.append("		for co in vertlist:\n")
	strlist.append("			v = bm.verts.new(co)\n")
	strlist.append("			bm.verts.index_update()\n")
	strlist.append("			idxlist.append(v.index)\n")
	posn = 0
	strlist.append("		edgelist = [")
	for e in bm.edges:
		if posn > 0:
			strlist.append(", ")
		posn += 1
		strlist.append("[" + str(e.verts[0].index) + ", " + str(e.verts[1].index) + "]")
	strlist.append("]\n")	 
	strlist.append("		for verts in edgelist:\n")
	strlist.append("			try:\n")
	strlist.append("				bm.edges.new((bm.verts[verts[0]], bm.verts[verts[1]]))\n")
	strlist.append("			except:\n")
	strlist.append("				pass\n")
	posn1 = 0
	strlist.append("		facelist = [(")
	for f in bm.faces:
		if posn1 > 0:
			strlist.append(", (")
		posn1 += 1
		posn2 = 0
		for v in f.verts:
			if posn2 > 0:
				strlist.append(", ")
			strlist.append(str(v.index))
			posn2 += 1
		strlist.append(")")
	strlist.append("]\n")	 
	strlist.append("		bm.verts.ensure_lookup_table()\n")
	strlist.append("		for verts in facelist:\n")