def render(self, context):
root = utils.get_root(settings)
input_files, temp_files = utils.resolve_patterns(settings.JSMIN_INPUT, root)
def urlize(f):
path = os.path.relpath(f, settings.MEDIA_ROOT)
try:
path += "?_=%d" % os.stat(f).st_mtime
except OSError:
pass
return path
input_files = map(urlize, input_files)
temp_files = map(urlize, temp_files)
html = ""
for f in input_files + temp_files:
html += """<script src="%s%s" type="text/javascript" charset="utf-8"></script>\n""" % (settings.MEDIA_URL, f)
return html
def jsmin(args):
"""Minify the configured JavaScript libraries."""
if not hasattr(args.settings, 'JSMIN_INPUT'):
raise ImproperlyConfigured("Must provide a JSMIN_INPUT setting")
elif not hasattr(args.settings, 'JSMIN_OUTPUT'):
raise ImproperlyConfigured("Must provide a JSMIN_OUTPUT setting")
root = utils.get_root(args.settings)
# Set up development mode. If nothing is specified, this will default to the
# value of `settings.DEBUG`. The `-d` and `-p` options override this value.
if args.development_mode is None:
development_mode = args.settings.DEBUG
else:
development_mode = args.development_mode
# `temp_files` have to be deleted after processing, whether minification was
# successful or not.
input_files, temp_files = utils.resolve_patterns(args.settings.JSMIN_INPUT, root)
try:
# Get an absolute output filename.
output_file = utils.make_abs(args.settings.JSMIN_OUTPUT, root)
if output_file in input_files:
# This can happen if you output a '.js' file to the same directory
# you're reading from. Remove it from the input files.
input_files.remove(output_file)
input_io = StringIO()
try:
# Populate the input StringIO.
for filename in input_files:
if filename in temp_files:
LOG.info("Reading %s" % p.basename(filename))
else:
LOG.info("Reading %s" % p.relpath(filename))
# The additional whitespace/comments will be filtered out by the
# minifier later on, unless we are in development mode, in which
# case we want the whitespace and comments.
input_io.write("/* FILE: %s */" % filename + os.linesep)
input_io.write(utils.read_from(filename))
input_io.write(os.linesep * 2)
input_io.seek(0)
output_io = open(output_file, 'w')
try:
output_io.write(utils.get_prolog(args.settings, root))
if development_mode:
LOG.info("Writing to %s" % p.relpath(output_file))
output_io.write(input_io.getvalue())
else:
# Minify and write the output.
LOG.info("Minifying and writing to %s" % p.relpath(output_file))
libjsmin.JavascriptMinify(input_io, output_io).minify()
finally:
output_io.close() # Clean up.
finally:
input_io.close() # Clean up.
finally:
# Clean up.
for temp_filename in temp_files:
LOG.info("Cleaning temporary file %s" % p.basename(temp_filename))
os.remove(temp_filename)