Script for easier icon theme conversion

data/icon-themes/icon-theme-convert

@@ -0,0 +1,133 @@
+#!/usr/bin/env python
+# Converts svg icon theme to png one using inkscape or rsvg
+
+import os.path
+import os
+import sys
+import stat
+
+inkscape_path = None
+rsvg_path     = None
+
+SIZES = ["16x16", "22x22", "32x32", "48x48", "64x64", "128x128"]
+
+def find_converter(name):
+	env_list = os.environ["PATH"].split(":")
+
+	for i in env_list:
+		path = "%s/%s" % (i, name)
+		if os.access(path, os.F_OK) and os.access(path, os.X_OK):
+			return path
+	return None
+
+def convert_ext(name):
+	if name[-4:] == ".svg":
+		return name.replace(".svg", ".png")
+	else:
+		return name
+
+def dir_exists(path):
+	# first use this since stat() scream if not exists
+	if not os.access(path, os.F_OK):
+		return False
+	mode = os.stat(path)[stat.ST_MODE]
+	return stat.S_ISDIR(mode)
+
+def in_subdir(path):
+	all = path.split("/")[1:]
+	return len(all)
+
+# transform 'foo/XX/yy' to 'dest/sz/yy'
+def transform_path(path, dest, sz):
+	all = path.split("/")
+
+	# this means we got 'theme/scalable' but we want 'theme/scalable/something/'
+	if len(all) < 3:
+		return None
+
+	all[0] = dest
+	all[1] = sz
+	return "/".join(all)
+
+def visit(destdir, dirname, names):
+	cmd = None
+
+	# os.walk will first walk on the top of source directory before 
+	# enters it's childs; we are interested only in childs
+	if not in_subdir(dirname):
+		return
+
+	for name in names:
+		for sz in SIZES:
+			w, h = sz.split("x")
+
+			finaldir = transform_path(dirname, destdir, sz)	
+			if finaldir == None:
+				continue
+
+			srcicon = "%s/%s" % (dirname, name)
+			dsticon = "%s/%s" % (finaldir, convert_ext(name))
+
+			# make it once without exception
+			if not dir_exists(finaldir):
+				os.makedirs(finaldir)
+
+			if inkscape_path:
+				cmd = "%s -e %s -w %s -h %s %s" % (inkscape_path, dsticon, w, h, srcicon)
+			elif rsvg_path:
+				cmd = "%s -w %s -h %s %s %s" % (rsvg_path, w, h, srcicon, dsticon)
+
+			print "%s -> %s" % (srcicon, dsticon)
+			if os.system(cmd) != 0:
+				print "FAILED :("
+
+def convert(srcdir, dstdir):
+	os.path.walk(srcdir, visit, dstdir) 
+
+def help():
+	print "Usage: icon-theme-convert [source] [dest]"
+	print ""
+	print "Convert [source] icon theme (assumed all files are in SVG format)"
+	print "to PNG equivalent one, using rsvg or inkscape. Converted content will be stored in [source]."
+	print "If [dest] was given, converted content will be stored there."
+
+def main():
+	arg_len = len(sys.argv)
+	
+	if not arg_len in [2, 3]:
+		help()
+		return
+
+	# mark them as global
+	global inkscape_path
+	global rsvg_path
+
+	cpath = find_converter("inkscape")
+	if cpath:
+		inkscape_path = cpath
+	else:
+		cpath = find_converter("rsvg")
+		if cpath:
+			rsvg_path = cpath
+		else:
+			print "\nUnable to find either inkscape or rsvg. If you have installed"
+			print "one of them, append it's directory path to PATH environment.\n"
+			print "But if you don't have installed neither of them... well..."
+			print "you know what to do then :P\n"
+			return
+
+	src = sys.argv[1]
+
+	if arg_len == 3:
+		dst = sys.argv[2]
+	else:
+		dst = src
+
+	if not dir_exists(src):
+		print "%s does not exists. Then what to convert?" % src
+		return
+
+	convert(src, dst)
+
+if __name__ == "__main__":
+	main()