def handle_response(response):
if response.error and not isinstance(response.error, tornado.httpclient.HTTPError) \
or response.code == 599:
self.set_status(500)
self.write(''.join([
'<html><head><meta charset="utf8">',
'<script>',
'setTimeout(function() { location.reload(); }, 1000);',
'</script>',
'</head><body>',
'源服务器错误：<br>',
str(response.error),
response.body or '',
'<p>正在为您自动重试...</p>',
'</body></html>',
]))
self.finish()
else:
self.set_status(response.code)
for header in response.headers:
if header not in [
'Transfer-Encoding', # 防止 chunked
'Content-Encoding', 'Content-Length', # 防止gzip
'Etag', 'Expires', 'Last-Modified' # 防止缓存
]:
self.set_header(header, response.headers.get(header))
# 防止缓存
self.set_header('Cache-Control', 'no-cache, no-store, must-revalidate')
self.set_header('Pragma', 'no-cache')
self.set_header('Expires', '0')
# 多个Set-Cookie会在response.headers中被合并，这还原成多个Set-Cookie
if header == 'Set-Cookie':
raw_cookie_list = response.headers.get_list(header)
if len(raw_cookie_list) == 1:
self.set_header('Set-Cookie', response.headers.get(header))
elif len(raw_cookie_list) > 1:
if not hasattr(self, "_new_cookie"):
self._new_cookie = Cookie.SimpleCookie()
for raw_cookie in raw_cookie_list:
self._new_cookie.load(raw_cookie)
if response.body:
content_type = response.headers.get('Content-Type', '')
if content_type and 'text/html' in content_type:
body = process_html(response.body)
elif content_type and 'text/css' in content_type:
body = process_css(response.body)
else:
body = response.body
self.set_header('Content-Length', len(body))
self.write(body)
self.finish()
def get_content(cls, abspath, start=None, end=None):
gc.collect() # 在mp4内容的时候，如果刷新网页会导致10053错误，并且内存不能回收，这里粗暴处理一下
_, ext = os.path.splitext(abspath)
if ext in SPECIAL_EXTENSIONS:
content = open(abspath, 'r').read()
if ext in HTML_EXTENSIONS:
return process_html(content)
elif ext in CSS_EXTENSIONS:
return process_css(content)
return StaticFileHandler.get_content(abspath, start, end)
def get_content(cls, abspath, start=None, end=None):
gc.collect() # 在mp4内容的时候，如果刷新网页会导致10053错误，并且内存不能回收，这里粗暴处理一下
_, ext = os.path.splitext(abspath)
if ext in SPECIAL_EXTENSIONS:
content = open(abspath, 'r').read()
if ext in HTML_EXTENSIONS:
return process_html(content)
elif ext in CSS_EXTENSIONS:
return process_css(content)
return StaticFileHandler.get_content(abspath, start, end)
def handle_response(response):
if response.error and not isinstance(response.error, tornado.httpclient.HTTPError) \
or response.code == 599:
self.set_status(500)
self.write(''.join([
'<html><head><meta charset="utf8">',
'<script>',
'setTimeout(function() { location.reload(); }, 1000);',
'</script>',
'</head><body>',
'源服务器错误：<br>',
str(response.error),
response.body or '',
'<p>正在为您自动重试...</p>',
'</body></html>',
]))
self.finish()
else:
self.set_status(response.code)
for header in response.headers:
if header not in [
'Transfer-Encoding', # 防止 chunked
'Content-Encoding', 'Content-Length', # 防止gzip
'Etag', 'Expires', 'Last-Modified', # 防止缓存
'Set-Cookie' # 后面cookie会另外处理
]:
self.set_header(header, response.headers.get(header))
# 防止缓存
self.set_header('Cache-Control', 'no-cache, no-store, must-revalidate')
self.set_header('Pragma', 'no-cache')
self.set_header('Expires', '0')
# 多个Set-Cookie会在response.headers中被合并，这还原成多个Set-Cookie
if header == 'Set-Cookie':
raw_cookie_list = response.headers.get_list(header)
if len(raw_cookie_list) == 1:
self.set_header('Set-Cookie', response.headers.get(header))
elif len(raw_cookie_list) > 1:
for raw_cookie in raw_cookie_list:
self.add_header('Set-Cookie', raw_cookie)
if response.body:
content_type = response.headers.get('Content-Type', '')
if content_type and 'text/html' in content_type:
body = process_html(response.body)
elif content_type and 'text/css' in content_type:
body = process_css(response.body)
else:
body = response.body
self.set_header('Content-Length', len(body))
self.write(body)
self.finish()