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from __future__ import unicode_literals
from django.core.exceptions import MiddlewareNotUsed
from django.utils.encoding import DjangoUnicodeDecodeError
from django.utils.html import strip_spaces_between_tags as minify_html
from pipeline.conf import settings
class MinifyHTMLMiddleware(object):
def __init__(self):
if not settings.PIPELINE_ENABLED:
raise MiddlewareNotUsed
def process_response(self, request, response):
if response.has_header('Content-Type') and 'text/html' in response['Content-Type']:
try:
response.content = minify_html(response.content.strip())
response['Content-Length'] = str(len(response.content))
except DjangoUnicodeDecodeError:
pass
return response
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