Django SpacelessHtmlResponse

premature_optimization_middleware.py

from django.utils.html import strip_spaces_between_tags

class SpacelessHtmlResponse(object):
    """
    Equivalent to running {% spaceless %} template tag against a full HTML response.
    """
    def process_response(self, request, response):
        if response.get("Content-Type", "").startswith("text/html"):
            response.content = strip_spaces_between_tags(response.content.strip())
        return response

inb4 “this is a terrible idea”