#!/usr/bin/env?python

import?sys
import?os
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:
????????#?tools/closure_library_jscompiler.py?from:?
????????#???????http://code.google.com/p/closure-library/source/browse/trunk/closure/bin/build/jscompiler.py
????????import?closure_library_jscompiler?as?closureCompiler
????????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?=?“full.cfg“
????outputFilename?=?“Openlayers.js“

????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.“
????try:
????????if?use_compressor?==?“closure“:
????????????sourceFiles?=?mergejs.getNames（sourceDirectory?configFilename）
????????else:
????????????merged?=?mergejs.run（sourceDirectory?None?configFilename）
????except?mergejs.MissingImport?E:
????????print?“\nAbnormal?termination.“
????????sys.exit（“ERROR:?%s“?%?E）

????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?“Closure?Compilation?using?Web?service?has?completed?successfully.“
????elif?use_compressor?==?“closure“:
????????jscompilerJar?=?“../tools/closure-compiler.jar“
????????if?not?os.path.isfile（jscompilerJar）:
????????????print?“\nNo?closure-compiler.jar;?read?README.txt!“
????????????sys.exit（“ERROR:?Closure?Co