def change_theme(theme_name):
"""
Hot-swap theme.
:param theme_name: New theme name
"""
if theme_name == app.THEME_NAME:
return False
old_theme_name = app.THEME_NAME
old_data_root = os.path.join(app.DATA_ROOT, old_theme_name)
app.THEME_NAME = theme_name
app.THEME_DATA_ROOT = os.path.join(app.DATA_ROOT, theme_name)
static_file_handlers = app.instance.web_server.app.static_file_handlers
log.info('Switching theme from "{old}" to "{new}"', {'old': old_theme_name, 'new': theme_name})
for rule in static_file_handlers.target.rules:
if old_data_root not in rule.target_kwargs['path']:
# Skip other static file handlers
continue
old_path = rule.target_kwargs['path']
new_path = old_path.replace(old_data_root, app.THEME_DATA_ROOT)
rule.target_kwargs['path'] = new_path
log.debug('Changed {old} to {new}', {'old': old_path, 'new': new_path})
# Reset cache
StaticFileHandler.reset()
return True
def get(self):
request_log.info('ACCESS RELOAD (%s)', self.request.remote_ip)
if self.request.remote_ip not in ['127.0.0.1', '::1']:
return self.send_error(403)
try:
cfg = yaml.load(open('config.yaml', 'r', encoding='utf8'))
if os.path.exists('downstream.yaml'):
cfg_d = yaml.load(open('downstream.yaml', 'r',
encoding='utf8'))
cfg['downstream'] = cfg_d['downstream']
cfg['user'] = cfg_d['user']
cfg['domain'] = cfg_d['domain']
cfg['interface'] = cfg_d['interface']
self.application.config = cfg
for downstream in sorted(cfg['downstream']):
self.write(downstream + '\n')
if os.path.exists('password.yaml'):
password = yaml.load(
open('password.yaml', 'r', encoding='utf8'))
self.application.password = password
self.finish()
StaticFileHandler.reset()
except Exception as e:
request_log.exception('RELOAD FAIL')
return self.finish('RELOAD FAIL %s' % repr(e))
