本文整理汇总了Python中tornado.httpclient.HTTPRequest.headers["Pragma"]方法的典型用法代码示例。如果您正苦于以下问题：Python HTTPRequest.headers["Pragma"]方法的具体用法？Python HTTPRequest.headers["Pragma"]怎么用？Python HTTPRequest.headers["Pragma"]使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tornado.httpclient.HTTPRequest的用法示例。
在下文中一共展示了HTTPRequest.headers["Pragma"]方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _curl_setup_request
# 需要导入模块: from tornado.httpclient import HTTPRequest [as 别名]
# 或者: from tornado.httpclient.HTTPRequest import headers["Pragma"] [as 别名]
def _curl_setup_request(
self,
curl: pycurl.Curl,
request: HTTPRequest,
buffer: BytesIO,
headers: httputil.HTTPHeaders,
) -> None:
curl.setopt(pycurl.URL, native_str(request.url))
# libcurl's magic "Expect: 100-continue" behavior causes delays
# with servers that don't support it (which include, among others,
# Google's OpenID endpoint). Additionally, this behavior has
# a bug in conjunction with the curl_multi_socket_action API
# (https://sourceforge.net/tracker/?func=detail&atid=100976&aid=3039744&group_id=976),
# which increases the delays. It's more trouble than it's worth,
# so just turn off the feature (yes, setting Expect: to an empty
# value is the official way to disable this)
if "Expect" not in request.headers:
request.headers["Expect"] = ""
# libcurl adds Pragma: no-cache by default; disable that too
if "Pragma" not in request.headers:
request.headers["Pragma"] = ""
curl.setopt(
pycurl.HTTPHEADER,
[
"%s: %s" % (native_str(k), native_str(v))
for k, v in request.headers.get_all()
],
)
curl.setopt(
pycurl.HEADERFUNCTION,
functools.partial(
self._curl_header_callback, headers, request.header_callback
),
)
if request.streaming_callback:
def write_function(b: Union[bytes, bytearray]) -> int:
assert request.streaming_callback is not None
self.io_loop.add_callback(request.streaming_callback, b)
return len(b)
else:
write_function = buffer.write
curl.setopt(pycurl.WRITEFUNCTION, write_function)
curl.setopt(pycurl.FOLLOWLOCATION, request.follow_redirects)
curl.setopt(pycurl.MAXREDIRS, request.max_redirects)
assert request.connect_timeout is not None
curl.setopt(pycurl.CONNECTTIMEOUT_MS, int(1000 * request.connect_timeout))
assert request.request_timeout is not None
curl.setopt(pycurl.TIMEOUT_MS, int(1000 * request.request_timeout))
if request.user_agent:
curl.setopt(pycurl.USERAGENT, native_str(request.user_agent))
else:
curl.setopt(pycurl.USERAGENT, "Mozilla/5.0 (compatible; pycurl)")
if request.network_interface:
curl.setopt(pycurl.INTERFACE, request.network_interface)
if request.decompress_response:
curl.setopt(pycurl.ENCODING, "gzip,deflate")
else:
curl.setopt(pycurl.ENCODING, "none")
if request.proxy_host and request.proxy_port:
curl.setopt(pycurl.PROXY, request.proxy_host)
curl.setopt(pycurl.PROXYPORT, request.proxy_port)
if request.proxy_username:
assert request.proxy_password is not None
credentials = httputil.encode_username_password(
request.proxy_username, request.proxy_password
)
curl.setopt(pycurl.PROXYUSERPWD, credentials)
if request.proxy_auth_mode is None or request.proxy_auth_mode == "basic":
curl.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_BASIC)
elif request.proxy_auth_mode == "digest":
curl.setopt(pycurl.PROXYAUTH, pycurl.HTTPAUTH_DIGEST)
else:
raise ValueError(
"Unsupported proxy_auth_mode %s" % request.proxy_auth_mode
)
else:
curl.setopt(pycurl.PROXY, "")
curl.unsetopt(pycurl.PROXYUSERPWD)
if request.validate_cert:
curl.setopt(pycurl.SSL_VERIFYPEER, 1)
curl.setopt(pycurl.SSL_VERIFYHOST, 2)
else:
curl.setopt(pycurl.SSL_VERIFYPEER, 0)
curl.setopt(pycurl.SSL_VERIFYHOST, 0)
if request.ca_certs is not None:
curl.setopt(pycurl.CAINFO, request.ca_certs)
else:
# There is no way to restore pycurl.CAINFO to its default value
# (Using unsetopt makes it reject all certificates).
# I don't see any way to read the default value from python so it
# can be restored later. We'll have to just leave CAINFO untouched
# if no ca_certs file was specified, and require that if any
# request uses a custom ca_certs file, they all must.
#.........这里部分代码省略.........