Django-1.2.1/django/contrib/admin/media/js/compress.py

   1 #!/usr/bin/env python
   2 import os
   3 import optparse
   4 import subprocess
   5 import sys
   6
   7 here = os.path.dirname(__file__)
   8
   9 def main():
  10     usage = "usage: %prog [file1..fileN]"
  11     description = """With no file paths given this script will automatically
  12 compress all jQuery-based files of the admin app. Requires the Google Closure
  13 Compiler library and Java version 6 or later."""
  14     parser = optparse.OptionParser(usage, description=description)
  15     parser.add_option("-c", dest="compiler", default="~/bin/compiler.jar",
  16                       help="path to Closure Compiler jar file")
  17     parser.add_option("-v", "--verbose",
  18                       action="store_true", dest="verbose")
  19     parser.add_option("-q", "--quiet",
  20                       action="store_false", dest="verbose")
  21     (options, args) = parser.parse_args()
  22
  23     compiler = os.path.expanduser(options.compiler)
  24     if not os.path.exists(compiler):
  25         sys.exit("Google Closure compiler jar file %s not found. Please use the -c option to specify the path." % compiler)
  26
  27     if not args:
  28         if options.verbose:
  29             sys.stdout.write("No filenames given; defaulting to admin scripts\n")
  30         args = [os.path.join(here, f) for f in [
  31             "actions.js", "collapse.js", "inlines.js", "prepopulate.js"]]
  32
  33     for arg in args:
  34         if not arg.endswith(".js"):
  35             arg = arg + ".js"
  36         to_compress = os.path.expanduser(arg)
  37         if os.path.exists(to_compress):
  38             to_compress_min = "%s.min.js" % "".join(arg.rsplit(".js"))
  39             cmd = "java -jar %s --js %s --js_output_file %s" % (compiler, to_compress, to_compress_min)
  40             if options.verbose:
  41                 sys.stdout.write("Running: %s\n" % cmd)
  42             subprocess.call(cmd.split())
  43         else:
  44             sys.stdout.write("File %s not found. Sure it exists?\n" % to_compress)
  45
  46 if __name__ == '__main__':
  47     main()