django1/django/contrib/admin/bin/compress.py

61 lines
2.2 KiB
Python

#!/usr/bin/env python
import argparse
import os
import subprocess
import sys
try:
import closure
except ImportError:
closure_compiler = None
else:
closure_compiler = os.path.join(os.path.dirname(closure.__file__), 'closure.jar')
js_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'static', 'admin', 'js')
def main():
description = """With no file paths given this script will automatically
compress all jQuery-based files of the admin app. Requires the Google Closure
Compiler library and Java version 6 or later."""
parser = argparse.ArgumentParser(description=description)
parser.add_argument('file', nargs='*')
parser.add_argument("-c", dest="compiler", default="~/bin/compiler.jar",
help="path to Closure Compiler jar file")
parser.add_argument("-v", "--verbose",
action="store_true", dest="verbose")
parser.add_argument("-q", "--quiet",
action="store_false", dest="verbose")
options = parser.parse_args()
compiler = closure_compiler if closure_compiler else os.path.expanduser(options.compiler)
if not os.path.exists(compiler):
sys.exit(
"Google Closure compiler jar file %s not found. Please use the -c "
"option to specify the path." % compiler
)
if not options.file:
if options.verbose:
sys.stdout.write("No filenames given; defaulting to admin scripts\n")
files = [os.path.join(js_path, f) for f in [
"actions.js", "collapse.js", "inlines.js", "prepopulate.js"]]
else:
files = options.file
for file_name in files:
if not file_name.endswith(".js"):
file_name = file_name + ".js"
to_compress = os.path.expanduser(file_name)
if os.path.exists(to_compress):
to_compress_min = "%s.min.js" % "".join(file_name.rsplit(".js"))
cmd = "java -jar %s --js %s --js_output_file %s" % (compiler, to_compress, to_compress_min)
if options.verbose:
sys.stdout.write("Running: %s\n" % cmd)
subprocess.call(cmd.split())
else:
sys.stdout.write("File %s not found. Sure it exists?\n" % to_compress)
if __name__ == '__main__':
main()