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#!/usr/bin/env python
import sys
sys.path.append("../tools")
import mergejs
import optparse
def build(config_file = None, output_file = None, options = None):
have_compressor = []
try:
import jsmin
have_compressor.append("jsmin")
except ImportError:
print "No jsmin"
try:
import closure
have_compressor.append("closure")
except Exception, E:
print "No closure (%s)" % E
try:
import closure_ws
have_compressor.append("closure_ws")
except ImportError:
print "No closure_ws"
try:
import minimize
have_compressor.append("minimize")
except ImportError:
print "No minimize"
use_compressor = None
if options.compressor and options.compressor in have_compressor:
use_compressor = options.compressor
sourceDirectory = "../lib"
configFilename = "library.cfg"
filename = "proj4js-compressed.js"
outputFilename = "../lib/" + filename
if config_file:
configFilename = config_file
extension = configFilename[-4:]
if extension != ".cfg":
configFilename = config_file + ".cfg"
if output_file:
outputFilename = output_file
print "Merging libraries."
merged = mergejs.run(sourceDirectory, None, configFilename)
print "Setting the filename to "+filename
merged = merged.replace('scriptName: "proj4js.js",','scriptName: "'+filename+'",');
print "Compressing using %s" % use_compressor
if use_compressor == "jsmin":
minimized = jsmin.jsmin(merged)
elif use_compressor == "minimize":
minimized = minimize.minimize(merged)
elif use_compressor == "closure_ws":
if len(merged) > 1000000: # The maximum file size for this web service is 1000 KB.
print "\nPre-compressing using jsmin"
merged = jsmin.jsmin(merged)
print "\nIs being compressed using Closure Compiler Service."
try:
minimized = closure_ws.minimize(merged)
except Exception, E:
print "\nAbnormal termination."
sys.exit("ERROR: Closure Compilation using Web service failed!\n%s" % E)
if len(minimized) <= 2:
print "\nAbnormal termination due to compilation errors."
sys.exit("ERROR: Closure Compilation using Web service failed!")
else:
print '\nClosure Compilation using Web service has completed successfully.'
elif use_compressor == "closure":
minimized = closure.minimize(merged)
else: # fallback
minimized = merged
print "Adding license file."
minimized = file("license.txt").read() + minimized
print "Writing to %s." % outputFilename
file(outputFilename, "w").write(minimized)
print "Done."
if __name__ == '__main__':
opt = optparse.OptionParser(usage="%s [options] [config_file] [output_file]\n Default config_file is 'full.cfg', Default output_file is 'OpenLayers.js'")
opt.add_option("-c", "--compressor", dest="compressor", help="compression method: one of 'jsmin', 'minimize', 'closure_ws', 'closure', or 'none'", default="jsmin")
(options, args) = opt.parse_args()
if not len(args):
build(options=options)
elif len(args) == 1:
build(args[0], options=options)
elif len(args) == 2:
build(args[0], args[1], options=options)
else:
print "Wrong number of arguments"