123 lines
4.5 KiB
Python
Executable File
123 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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import os
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sys.path.append("../tools")
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import mergejs
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import optparse
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def build(config_file = None, output_file = None, options = None):
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have_compressor = []
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try:
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import jsmin
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have_compressor.append("jsmin")
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except ImportError:
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print "No jsmin"
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try:
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# tools/closure_library_jscompiler.py from:
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# http://code.google.com/p/closure-library/source/browse/trunk/closure/bin/build/jscompiler.py
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import closure_library_jscompiler as closureCompiler
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have_compressor.append("closure")
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except Exception, E:
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print "No closure (%s)" % E
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try:
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import closure_ws
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have_compressor.append("closure_ws")
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except ImportError:
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print "No closure_ws"
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try:
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import minimize
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have_compressor.append("minimize")
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except ImportError:
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print "No minimize"
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use_compressor = None
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if options.compressor and options.compressor in have_compressor:
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use_compressor = options.compressor
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sourceDirectory = "../lib"
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configFilename = "full.cfg"
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outputFilename = "OpenLayers.js"
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if config_file:
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configFilename = config_file
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extension = configFilename[-4:]
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if extension != ".cfg":
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configFilename = config_file + ".cfg"
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if output_file:
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outputFilename = output_file
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print "Merging libraries."
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try:
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if use_compressor == "closure":
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sourceFiles = mergejs.getNames(sourceDirectory, configFilename)
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else:
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merged = mergejs.run(sourceDirectory, None, configFilename)
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except mergejs.MissingImport, E:
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print "\nAbnormal termination."
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sys.exit("ERROR: %s" % E)
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print "Compressing using %s" % use_compressor
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if use_compressor == "jsmin":
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minimized = jsmin.jsmin(merged)
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elif use_compressor == "minimize":
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minimized = minimize.minimize(merged)
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elif use_compressor == "closure_ws":
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if len(merged) > 1000000: # The maximum file size for this web service is 1000 KB.
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print "\nPre-compressing using jsmin"
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merged = jsmin.jsmin(merged)
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print "\nIs being compressed using Closure Compiler Service."
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try:
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minimized = closure_ws.minimize(merged)
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except Exception, E:
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print "\nAbnormal termination."
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sys.exit("ERROR: Closure Compilation using Web service failed!\n%s" % E)
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if len(minimized) <= 2:
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print "\nAbnormal termination due to compilation errors."
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sys.exit("ERROR: Closure Compilation using Web service failed!")
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else:
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print "Closure Compilation using Web service has completed successfully."
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elif use_compressor == "closure":
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jscompilerJar = "../tools/closure-compiler.jar"
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if not os.path.isfile(jscompilerJar):
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print "\nNo closure-compiler.jar; read README.txt!"
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sys.exit("ERROR: Closure Compiler \"%s\" does not exist! Read README.txt" % jscompilerJar)
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minimized = closureCompiler.Compile(
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jscompilerJar,
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sourceFiles, [
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"--externs", "closure-compiler/Externs.js",
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"--jscomp_warning", "checkVars", # To enable "undefinedVars"
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"--jscomp_error", "checkRegExp", # Also necessary to enable "undefinedVars"
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"--jscomp_error", "undefinedVars"
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]
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)
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if minimized is None:
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print "\nAbnormal termination due to compilation errors."
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sys.exit("ERROR: Closure Compilation failed! See compilation errors.")
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print "Closure Compilation has completed successfully."
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else: # fallback
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minimized = merged
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print "\nAdding license file."
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minimized = file("license.txt").read() + minimized
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print "Writing to %s." % outputFilename
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file(outputFilename, "w").write(minimized)
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print "Done."
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if __name__ == '__main__':
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opt = optparse.OptionParser(usage="%s [options] [config_file] [output_file]\n Default config_file is 'full.cfg', Default output_file is 'OpenLayers.js'")
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opt.add_option("-c", "--compressor", dest="compressor", help="compression method: one of 'jsmin', 'minimize', 'closure_ws', 'closure', or 'none'", default="jsmin")
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(options, args) = opt.parse_args()
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if not len(args):
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build(options=options)
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elif len(args) == 1:
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build(args[0], options=options)
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elif len(args) == 2:
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build(args[0], args[1], options=options)
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else:
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print "Wrong number of arguments" |