def process_response(self, request, response):
content_type = response.get('Content-Type', '').split(';')[0].strip().lower()
if (not settings.DEBUG or
content_type not in ['text/html', 'application/xhtml+xml'] or
not hasattr(response, 'content')):
return response
soup = BeautifulSoup(
smart_str(response.content),
'html.parser',
)
head = getattr(soup, 'head', None)
if not head:
return response
script = soup.new_tag(
'script', src='http://%s:%d/livereload.js' % (
livereload_host(),
livereload_port(),
)
)
head.append(script)
response.content = str(soup)
return response
def process_response(self, request, response):
content_type = response.get('Content-Type',
'').split(';')[0].strip().lower()
if (not settings.DEBUG
or content_type not in ['text/html', 'application/xhtml+xml']
or not hasattr(response, 'content')):
return response
soup = BeautifulSoup(
smart_str(response.content),
'html.parser',
)
head = getattr(soup, 'head', None)
if not head:
return response
script = soup.new_tag('script',
src='http://%s:%d/livereload.js' % (
livereload_host(),
livereload_port(),
))
head.append(script)
response.content = str(soup)
return response
def livereload_script_tag():
if settings.DEBUG:
return format_html(
"""<script src="{}:{}/livereload.js"></script>""",
livereload_host(),
livereload_port(),
)
else:
return ""
class Command(RunserverCommand):
"""
Command for running the development server with LiveReload.
"""
option_args = [('--nolivereload',
{'action': 'store_false', 'dest': 'use_livereload', 'default': True,
'help': 'Tells Django to NOT use LiveReload.'}),
('--livereload-port',
{'action': 'store', 'dest': 'livereload_port', 'type': int,
'default': livereload_port(),
'help': 'Port where LiveReload listens.'}),
('--livereload-host',
{'action': 'store', 'dest': 'livereload_host', 'type': str,
'default': livereload_host(),
'help': 'Address to LiveReload server.'})
]
def add_arguments(self, parser):
super(Command, self).add_arguments(parser)
for name, kwargs in self.option_args:
parser.add_argument(name, **kwargs)
help = 'Starts a lightweight Web server for development with LiveReload.'
def message(self, message, verbosity=1, style=None):
if verbosity:
if style:
message = style(message)
self.stdout.write(message)
def livereload_request(self, **options):
"""
Performs the LiveReload request.
"""
style = color_style()
verbosity = int(options['verbosity'])
host = '%s:%d' % (
options['livereload_host'],
options['livereload_port'],
)
try:
urlopen('http://%s/forcereload' % host)
self.message('LiveReload request emitted.\n',
verbosity, style.HTTP_INFO)
except IOError:
pass
def get_handler(self, *args, **options):
"""
Entry point to plug the LiveReload feature.
"""
handler = super(Command, self).get_handler(*args, **options)
if options['use_livereload']:
threading.Timer(1, self.livereload_request, kwargs=options).start()
return handler
def process_response(self, request, response):
content_type = response.get('Content-Type', '').split(';')[0].strip().lower()
if content_type not in ['text/html', 'application/xhtml+xml'] or settings.DEBUG == False:
return response
soup = BeautifulSoup(
smart_str(response.content),
'html.parser',
)
if not getattr(soup, 'head', None):
return response
script = soup.new_tag(
'script', src='http://localhost:%d/livereload.js' % livereload_port(),
)
soup.head.append(script)
response.content = str(soup)
return response
