peterbe/middleware.py

## middleware.py
"""
To use this, add::

    MIDDLEWARE_CLASSES += ('airmozilla.base.middleware.JsonAsHTML',)

to your settings and for any AJAX request, you can open it
separately and add `&_debug=true` to the URL.
"""

from urllib import quote

from django.conf import settings


class JsonAsHTML(object):  # pragma: no cover
    '''
    View a JSON response in your browser as HTML
    Useful for viewing stats using Django Debug Toolbar

    This middleware should be place AFTER Django Debug Toolbar middleware
    '''

    def process_response(self, request, response):

        # not for production or production like environment
        if not settings.DEBUG:
            return response

        # do nothing for actual ajax requests
        if request.is_ajax() or not request.GET.get('_debug'):
            return response

        # only do something if this is a json response
        if response['Content-Type'].lower().startswith('application/json'):
            title = (
                'JSON as HTML Middleware for: %s' %
                quote(request.get_full_path())
            )
            content = response.content
            content = content.replace('<', '&lt;').replace('>', '&gt;')
            response.content = (
                '<!doctype html>\n<html><head><title>%s</title>'
                '<meta content="text/html; charset=UTF-8" '
                'http-equiv="Content-Type">'
                '</head>\n<body>\n%s\n</body></html>'
                % (title, content)
            )
            response['Content-Type'] = 'text/html'

        return response
	"""
	To use this, add::

	MIDDLEWARE_CLASSES += ('airmozilla.base.middleware.JsonAsHTML',)

	to your settings and for any AJAX request, you can open it
	separately and add `&_debug=true` to the URL.
	"""

	from urllib import quote

	from django.conf import settings


	class JsonAsHTML(object): # pragma: no cover
	'''
	View a JSON response in your browser as HTML
	Useful for viewing stats using Django Debug Toolbar

	This middleware should be place AFTER Django Debug Toolbar middleware
	'''

	def process_response(self, request, response):

	# not for production or production like environment
	if not settings.DEBUG:
	return response

	# do nothing for actual ajax requests
	if request.is_ajax() or not request.GET.get('_debug'):
	return response

	# only do something if this is a json response
	if response['Content-Type'].lower().startswith('application/json'):
	title = (
	'JSON as HTML Middleware for: %s' %
	quote(request.get_full_path())
	)
	content = response.content
	content = content.replace('<', '<').replace('>', '>')
	response.content = (
	'<!doctype html>\n<html><head><title>%s</title>'
	'<meta content="text/html; charset=UTF-8" '
	'http-equiv="Content-Type">'
	'</head>\n<body>\n%s\n</body></html>'
	% (title, content)
	)
	response['Content-Type'] = 'text/html'

	return response