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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2014 Calum Lind <calumlind@gmail.com>
# Copyright (C) 2010 Damien Churchill <damoxc@gmail.com>
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
"""Minifies the WebUI JS files.
Usage: python minify_web_js.py deluge/ui/web/js/deluge-all
"""
from __future__ import print_function, unicode_literals
import fileinput
import fnmatch
import os
import subprocess
import sys
def module_exists(module_name):
try:
__import__(module_name)
except ImportError:
return False
else:
return True
# Imports sorted by resulting file size.
if module_exists('closure'):
def minify_closure(file_in, file_out):
try:
subprocess.check_call(
[
'closure',
'-W',
'QUIET',
'--js',
file_in,
'--js_output_file',
file_out,
]
)
return True
except subprocess.CalledProcessError:
return False
elif module_exists('slimit'):
from slimit import minify
else:
raise ImportError('Requires "slimit" package for minifying WebUI files.')
def source_files_list(source_dir):
scripts = []
for root, dirnames, filenames in os.walk(source_dir):
dirnames.sort(reverse=True)
files = fnmatch.filter(filenames, '*.js')
files.sort()
order_file = os.path.join(root, '.order')
if os.path.isfile(order_file):
with open(order_file, 'r') as _file:
for line in _file:
if line.startswith('+ '):
order_filename = line.split()[1]
files.pop(files.index(order_filename))
files.insert(0, order_filename)
# Ensure root directory files are bottom of list.
if dirnames:
scripts.extend([os.path.join(root, f) for f in files])
else:
for filename in reversed(files):
scripts.insert(0, os.path.join(root, filename))
return scripts
def concat_src_files(file_list, fileout_path):
with open(fileout_path, 'w') as file_out:
file_in = fileinput.input(file_list)
file_out.writelines(file_in)
def minify_file(file_debug, file_minified):
try:
return minify_closure(file_debug, file_minified)
except NameError:
with open(file_minified, 'w') as file_out:
with open(file_debug, 'r') as file_in:
file_out.write(minify(file_in.read()))
return True
def minify_js_dir(source_dir):
build_name = os.path.basename(source_dir)
build_dir = os.path.dirname(source_dir)
file_debug_js = os.path.join(build_dir, build_name + '-debug.js')
file_minified_js = os.path.join(build_dir, build_name + '.js')
source_files = source_files_list(source_dir)
if not source_files:
print('No js files found, skipping %s' % source_dir)
return
concat_src_files(source_files, file_debug_js)
print('Minifying %s' % source_dir)
if not minify_file(file_debug_js, file_minified_js):
print('Error minifying %s' % source_dir)
if __name__ == '__main__':
if len(sys.argv) != 2:
JS_SOURCE_DIRS = [
'deluge/ui/web/js/deluge-all',
'deluge/ui/web/js/extjs/ext-extensions',
]
else:
JS_SOURCE_DIRS = [os.path.abspath(sys.argv[1])]
for js_source_dir in JS_SOURCE_DIRS:
minify_js_dir(js_source_dir)
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