def minify(self, in_files, outfile, concat=False):
"""
Compress in_files into outfile,
give some stats
"""
from build import verbose
import os
# concat everything into temp
outtype = outfile.split('.')[-1]
temp = self.concat(in_files, is_js=True)
out = open(outfile, 'w')
org_size = len(temp.getvalue())
temp.seek(0)
# minify
jsm = JavascriptMinify()
jsm.minify(temp, out)
out.close()
self.vc.repo.add(outfile)
new_size = os.path.getsize(outfile)
if verbose:
print '=> %s' % outfile
print 'Original: %.2f kB' % (org_size / 1024.0)
print 'Compressed: %.2f kB' % (new_size / 1024.0)
print 'Reduction: %.1f%%' % (float(org_size - new_size) /
org_size * 100)
