本文整理汇总了Python中tornado.web.html方法的典型用法代码示例。如果您正苦于以下问题：Python web.html方法的具体用法？Python web.html怎么用？Python web.html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.web的用法示例。
在下文中一共展示了web.html方法的13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: write_error
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write_error(self, status_code, **kwargs):
"""复写这个方法来实现自定义错误页.
``write_error`` 可能调用 `write`, `render`, `set_header`,等
来产生一般的输出.
如果错误是由未捕获的异常造成的(包括HTTPError), 三个一组的
``exc_info`` 将变成可用的通过 ``kwargs["exc_info"]``.
注意这个异常可能不是"当前(current)" 目的或方法的异常就像
``sys.exc_info()`` 或 ``traceback.format_exc``.
"""
if self.settings.get("serve_traceback") and "exc_info" in kwargs:
# in debug mode, try to send a traceback
self.set_header('Content-Type', 'text/plain')
for line in traceback.format_exception(*kwargs["exc_info"]):
self.write(line)
self.finish()
else:
self.finish("<html><title>%(code)d: %(message)s</title>"
"<body>%(code)d: %(message)s</body></html>" % {
"code": status_code,
"message": self._reason,
}) 示例2: get_browser_locale
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def get_browser_locale(self, default="en_US"):
"""从 ``Accept-Language`` 头决定用户的位置.
参考 http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
"""
if "Accept-Language" in self.request.headers:
languages = self.request.headers["Accept-Language"].split(",")
locales = []
for language in languages:
parts = language.strip().split(";")
if len(parts) > 1 and parts[1].startswith("q="):
try:
score = float(parts[1][2:])
except (ValueError, TypeError):
score = 0.0
else:
score = 1.0
locales.append((parts[0], score))
if locales:
locales.sort(key=lambda pair: pair[1], reverse=True)
codes = [l[0] for l in locales]
return locale.get(*codes)
return locale.get(default) 示例3: write_error
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write_error(self, status_code: int, **kwargs: Any) -> None:
"""Override to implement custom error pages.
``write_error`` may call `write`, `render`, `set_header`, etc
to produce output as usual.
If this error was caused by an uncaught exception (including
HTTPError), an ``exc_info`` triple will be available as
``kwargs["exc_info"]``. Note that this exception may not be
the "current" exception for purposes of methods like
``sys.exc_info()`` or ``traceback.format_exc``.
"""
if self.settings.get("serve_traceback") and "exc_info" in kwargs:
# in debug mode, try to send a traceback
self.set_header("Content-Type", "text/plain")
for line in traceback.format_exception(*kwargs["exc_info"]):
self.write(line)
self.finish()
else:
self.finish(
"<html><title>%(code)d: %(message)s</title>"
"<body>%(code)d: %(message)s</body></html>"
% {"code": status_code, "message": self._reason}
) 示例4: get_browser_locale
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def get_browser_locale(self, default: str = "en_US") -> tornado.locale.Locale:
"""Determines the user's locale from ``Accept-Language`` header.
See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
"""
if "Accept-Language" in self.request.headers:
languages = self.request.headers["Accept-Language"].split(",")
locales = []
for language in languages:
parts = language.strip().split(";")
if len(parts) > 1 and parts[1].startswith("q="):
try:
score = float(parts[1][2:])
except (ValueError, TypeError):
score = 0.0
else:
score = 1.0
locales.append((parts[0], score))
if locales:
locales.sort(key=lambda pair: pair[1], reverse=True)
codes = [l[0] for l in locales]
return locale.get(*codes)
return locale.get(default) 示例5: write_error
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write_error(self, status_code, **kwargs):
"""Override to implement custom error pages.
``write_error`` may call `write`, `render`, `set_header`, etc
to produce output as usual.
If this error was caused by an uncaught exception (including
HTTPError), an ``exc_info`` triple will be available as
``kwargs["exc_info"]``. Note that this exception may not be
the "current" exception for purposes of methods like
``sys.exc_info()`` or ``traceback.format_exc``.
"""
if self.settings.get("serve_traceback") and "exc_info" in kwargs:
# in debug mode, try to send a traceback
self.set_header('Content-Type', 'text/plain')
for line in traceback.format_exception(*kwargs["exc_info"]):
self.write(line)
self.finish()
else:
self.finish("<html><title>%(code)d: %(message)s</title>"
"<body>%(code)d: %(message)s</body></html>" % {
"code": status_code,
"message": self._reason,
}) 示例6: get_browser_locale
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def get_browser_locale(self, default="en_US"):
"""Determines the user's locale from ``Accept-Language`` header.
See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
"""
if "Accept-Language" in self.request.headers:
languages = self.request.headers["Accept-Language"].split(",")
locales = []
for language in languages:
parts = language.strip().split(";")
if len(parts) > 1 and parts[1].startswith("q="):
try:
score = float(parts[1][2:])
except (ValueError, TypeError):
score = 0.0
else:
score = 1.0
locales.append((parts[0], score))
if locales:
locales.sort(key=lambda pair: pair[1], reverse=True)
codes = [l[0] for l in locales]
return locale.get(*codes)
return locale.get(default) 示例7: clear
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def clear(self):
"""重置这个响应的所有头部和内容."""
self._headers = httputil.HTTPHeaders({
"Server": "TornadoServer/%s" % tornado.version,
"Content-Type": "text/html; charset=UTF-8",
"Date": httputil.format_timestamp(time.time()),
})
self.set_default_headers()
self._write_buffer = []
self._status_code = 200
self._reason = httputil.responses[200] 示例8: set_cookie
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def set_cookie(self, name, value, domain=None, expires=None, path="/",
expires_days=None, **kwargs):
"""设置给定的cookie 名称/值还有其他给定的选项.
另外的关键字参数在Cookie.Morsel直接设置.
参见 https://docs.python.org/2/library/cookie.html#morsel-objects
查看可用的属性.
"""
# The cookie library only accepts type str, in both python 2 and 3
name = escape.native_str(name)
value = escape.native_str(value)
if re.search(r"[\x00-\x20]", name + value):
# Don't let us accidentally inject bad stuff
raise ValueError("Invalid cookie %r: %r" % (name, value))
if not hasattr(self, "_new_cookie"):
self._new_cookie = Cookie.SimpleCookie()
if name in self._new_cookie:
del self._new_cookie[name]
self._new_cookie[name] = value
morsel = self._new_cookie[name]
if domain:
morsel["domain"] = domain
if expires_days is not None and not expires:
expires = datetime.datetime.utcnow() + datetime.timedelta(
days=expires_days)
if expires:
morsel["expires"] = httputil.format_timestamp(expires)
if path:
morsel["path"] = path
for k, v in kwargs.items():
if k == 'max_age':
k = 'max-age'
# skip falsy values for httponly and secure flags because
# SimpleCookie sets them regardless
if k in ['httponly', 'secure'] and not v:
continue
morsel[k] = v 示例9: write
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write(self, chunk):
"""把给定块写到输出buffer.
为了把输出写到网络, 使用下面的flush()方法.
如果给定的块是一个字典, 我们会把它作为JSON来写同时会把响应头
设置为 ``application/json``. (如果你写JSON但是设置不同的
``Content-Type``, 可以调用set_header *在调用write()之后* ).
注意列表不能转换为JSON 因为一个潜在的跨域安全漏洞. 所有的JSON
输出应该包在一个字典中. 更多细节参考
http://haacked.com/archive/2009/06/25/json-hijacking.aspx/ 和
https://github.com/facebook/tornado/issues/1009
"""
if self._finished:
raise RuntimeError("Cannot write() after finish()")
if not isinstance(chunk, (bytes, unicode_type, dict)):
message = "write() only accepts bytes, unicode, and dict objects"
if isinstance(chunk, list):
message += ". Lists not accepted for security reasons; see http://www.tornadoweb.org/en/stable/web.html#tornado.web.RequestHandler.write"
raise TypeError(message)
if isinstance(chunk, dict):
chunk = escape.json_encode(chunk)
self.set_header("Content-Type", "application/json; charset=UTF-8")
chunk = utf8(chunk)
self._write_buffer.append(chunk) 示例10: clear
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def clear(self) -> None:
"""Resets all headers and content for this response."""
self._headers = httputil.HTTPHeaders(
{
"Server": "TornadoServer/%s" % tornado.version,
"Content-Type": "text/html; charset=UTF-8",
"Date": httputil.format_timestamp(time.time()),
}
)
self.set_default_headers()
self._write_buffer = [] # type: List[bytes]
self._status_code = 200
self._reason = httputil.responses[200] 示例11: write
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write(self, chunk: Union[str, bytes, dict]) -> None:
"""Writes the given chunk to the output buffer.
To write the output to the network, use the `flush()` method below.
If the given chunk is a dictionary, we write it as JSON and set
the Content-Type of the response to be ``application/json``.
(if you want to send JSON as a different ``Content-Type``, call
``set_header`` *after* calling ``write()``).
Note that lists are not converted to JSON because of a potential
cross-site security vulnerability. All JSON output should be
wrapped in a dictionary. More details at
http://haacked.com/archive/2009/06/25/json-hijacking.aspx/ and
https://github.com/facebook/tornado/issues/1009
"""
if self._finished:
raise RuntimeError("Cannot write() after finish()")
if not isinstance(chunk, (bytes, unicode_type, dict)):
message = "write() only accepts bytes, unicode, and dict objects"
if isinstance(chunk, list):
message += (
". Lists not accepted for security reasons; see "
+ "http://www.tornadoweb.org/en/stable/web.html#tornado.web.RequestHandler.write" # noqa: E501
)
raise TypeError(message)
if isinstance(chunk, dict):
chunk = escape.json_encode(chunk)
self.set_header("Content-Type", "application/json; charset=UTF-8")
chunk = utf8(chunk)
self._write_buffer.append(chunk) 示例12: clear
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def clear(self):
"""Resets all headers and content for this response."""
self._headers = httputil.HTTPHeaders({
"Server": "TornadoServer/%s" % tornado.version,
"Content-Type": "text/html; charset=UTF-8",
"Date": httputil.format_timestamp(time.time()),
})
self.set_default_headers()
self._write_buffer = []
self._status_code = 200
self._reason = httputil.responses[200] 示例13: write
# 需要导入模块: from tornado import web [as 别名]
# 或者: from tornado.web import html [as 别名]
def write(self, chunk):
"""Writes the given chunk to the output buffer.
To write the output to the network, use the flush() method below.
If the given chunk is a dictionary, we write it as JSON and set
the Content-Type of the response to be ``application/json``.
(if you want to send JSON as a different ``Content-Type``, call
set_header *after* calling write()).
Note that lists are not converted to JSON because of a potential
cross-site security vulnerability. All JSON output should be
wrapped in a dictionary. More details at
http://haacked.com/archive/2009/06/25/json-hijacking.aspx/ and
https://github.com/facebook/tornado/issues/1009
"""
if self._finished:
raise RuntimeError("Cannot write() after finish()")
if not isinstance(chunk, (bytes, unicode_type, dict)):
message = "write() only accepts bytes, unicode, and dict objects"
if isinstance(chunk, list):
message += ". Lists not accepted for security reasons; see " + \
"http://www.tornadoweb.org/en/stable/web.html#tornado.web.RequestHandler.write"
raise TypeError(message)
if isinstance(chunk, dict):
chunk = escape.json_encode(chunk)
self.set_header("Content-Type", "application/json; charset=UTF-8")
chunk = utf8(chunk)
self._write_buffer.append(chunk)