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Viewing changes to scripts/js/jsmin_all.py

  • Committer: James Westby
  • Date: 2012-10-04 21:33:13 UTC
  • Revision ID: james.westby@canonical.com-20121004213313-mv91ejfgpel7n91l
Try with convoy.

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scripts/js/jsmin_all.py
 
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#!/usr/bin/env python
 
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"""Handle minifying all javascript files in the build directory by walking
 
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$ jsmin_all.py $lp_js_root
 
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"""
 
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import os
 
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import re
 
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import sys
 
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from jsmin import JavascriptMinify
 
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def dirwalk(dir):
 
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    "walk a directory tree, using a generator"
 
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    for f in os.listdir(dir):
 
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        fullpath = os.path.join(dir,f)
 
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        if os.path.isdir(fullpath) and not os.path.islink(fullpath):
 
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            for x in dirwalk(fullpath):  # recurse into subdir
 
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                yield x
 
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        else:
 
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            yield fullpath
 
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def is_min(filename):
 
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    """Check if this file is alrady a minified file"""
 
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    return re.search("min.js$", filename)
 
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def minify(filename):
 
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    """Given a filename, handle minifying it as -min.js"""
 
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    if not is_min(filename):
 
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        new_filename = re.sub(".js$", "-min.js", filename)
 
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        with open(filename) as shrink_me:
 
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            with open(new_filename, 'w') as tobemin:
 
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                jsm = JavascriptMinify()
 
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                jsm.minify(shrink_me, tobemin)
 
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if __name__ == '__main__':
 
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    root = sys.argv[1]
 
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    if os.path.isfile(root):
 
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        minify(root)
 
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    else:
 
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        [minify(f) for f in dirwalk(root)]