def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
python类escape()的实例源码
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def post(self):
"""
Example Handler for an `HTTP POST <http://en.wikipedia.org/wiki/POST_(HTTP)>`_
request. Doesn't actually do anything.
"""
# If data is POSTed to this handler via an XMLHTTPRequest send() it
# will show up like this:
#posted_as_a_whole = self.request.body # xhr.send()
# If data was POSTed as arguments (i.e. traditional form) it will show
# up as individual arguments like this:
#posted_as_argument = self.get_argument("arg") # Form elem 'name="arg"'
# This is how you can parse JSON:
#parsed = tornado.escape.json_decode(posted_as_an_argument)
json_output = {'result': 'Success!'}
self.write(json_output)
# You'd put self.finish() here if post() was wrapped with tornado's
# asynchronous decorator.
# WebSocket actions (aka commands or "functions that are exposed")
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def get_upload_text_data(handler):
try:
text_data = {}
text_data['result'] = 'fail'
text_data['con'] = tornado.escape.xhtml_escape(handler.get_argument('con')).replace('&nbsp',' ').replace('<br>','<br>')
text_data['title1'] = tornado.escape.xhtml_escape(handler.get_argument('title1')).replace('&nbsp',' ').replace('<br>','<br>')
text_data['title2'] = tornado.escape.xhtml_escape(handler.get_argument('title2')).replace('&nbsp',' ').replace('<br>','<br>')
text_data['description'] = tornado.escape.xhtml_escape(handler.get_argument('description')).replace('<br>','<br>').replace('&nbsp',' ')
text_data['year'] = tornado.escape.xhtml_escape(handler.get_argument('year'))
text_data['month'] = tornado.escape.xhtml_escape(handler.get_argument('month'))
text_data['background_color'] = tornado.escape.xhtml_escape(handler.get_argument('background_color'))
text_data['result'] = 'success'
return text_data
except Exception as e:
print(str(e))
return text_data
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
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/2008/11/20/anatomy-of-a-subtle-json-vulnerability.aspx
"""
if self._finished:
raise RuntimeError("Cannot write() after finish(). May be caused "
"by using async operations without the "
"@asynchronous decorator.")
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)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
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/2008/11/20/anatomy-of-a-subtle-json-vulnerability.aspx
"""
if self._finished:
raise RuntimeError("Cannot write() after finish(). May be caused "
"by using async operations without the "
"@asynchronous decorator.")
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)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d" % status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d" % status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d" % status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d" % status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d", status_code)
def set_status(self, status_code, reason=None):
"""Sets the status code for our response.
:arg int status_code: Response status code. If ``reason`` is ``None``,
it must be present in `httplib.responses <http.client.responses>`.
:arg string reason: Human-readable reason phrase describing the status
code. If ``None``, it will be filled in from
`httplib.responses <http.client.responses>`.
"""
self._status_code = status_code
if reason is not None:
self._reason = escape.native_str(reason)
else:
try:
self._reason = httputil.responses[status_code]
except KeyError:
raise ValueError("unknown status code %d" % status_code)
def test_linkify(self):
for text, kwargs, html in linkify_tests:
linked = tornado.escape.linkify(text, **kwargs)
self.assertEqual(linked, html)
def test_escape_return_types(self):
# On python2 the escape methods should generally return the same
# type as their argument
self.assertEqual(type(xhtml_escape("foo")), str)
self.assertEqual(type(xhtml_escape(u("foo"))), unicode_type)
def __call__(self, request):
data = {}
response = []
def start_response(status, response_headers, exc_info=None):
data["status"] = status
data["headers"] = response_headers
return response.append
app_response = self.wsgi_application(
WSGIContainer.environ(request), start_response)
try:
response.extend(app_response)
body = b"".join(response)
finally:
if hasattr(app_response, "close"):
app_response.close()
if not data:
raise Exception("WSGI app did not call start_response")
status_code, reason = data["status"].split(' ', 1)
status_code = int(status_code)
headers = data["headers"]
header_set = set(k.lower() for (k, v) in headers)
body = escape.utf8(body)
if status_code != 304:
if "content-length" not in header_set:
headers.append(("Content-Length", str(len(body))))
if "content-type" not in header_set:
headers.append(("Content-Type", "text/html; charset=UTF-8"))
if "server" not in header_set:
headers.append(("Server", "TornadoServer/%s" % tornado.version))
start_line = httputil.ResponseStartLine("HTTP/1.1", status_code, reason)
header_obj = httputil.HTTPHeaders()
for key, value in headers:
header_obj.add(key, value)
request.connection.write_headers(start_line, header_obj, chunk=body)
request.connection.finish()
self._log(status_code, request)
def environ(request):
"""Converts a `tornado.httputil.HTTPServerRequest` to a WSGI environment.
"""
hostport = request.host.split(":")
if len(hostport) == 2:
host = hostport[0]
port = int(hostport[1])
else:
host = request.host
port = 443 if request.protocol == "https" else 80
environ = {
"REQUEST_METHOD": request.method,
"SCRIPT_NAME": "",
"PATH_INFO": to_wsgi_str(escape.url_unescape(
request.path, encoding=None, plus=False)),
"QUERY_STRING": request.query,
"REMOTE_ADDR": request.remote_ip,
"SERVER_NAME": host,
"SERVER_PORT": str(port),
"SERVER_PROTOCOL": request.version,
"wsgi.version": (1, 0),
"wsgi.url_scheme": request.protocol,
"wsgi.input": BytesIO(escape.utf8(request.body)),
"wsgi.errors": sys.stderr,
"wsgi.multithread": False,
"wsgi.multiprocess": True,
"wsgi.run_once": False,
}
if "Content-Type" in request.headers:
environ["CONTENT_TYPE"] = request.headers.pop("Content-Type")
if "Content-Length" in request.headers:
environ["CONTENT_LENGTH"] = request.headers.pop("Content-Length")
for key, value in request.headers.items():
environ["HTTP_" + key.replace("-", "_").upper()] = value
return environ
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)
def xsrf_form_html(self):
"""An HTML ``<input/>`` element to be included with all POST forms.
It defines the ``_xsrf`` input value, which we check on all POST
requests to prevent cross-site request forgery. If you have set
the ``xsrf_cookies`` application setting, you must include this
HTML within all of your HTML forms.
In a template, this method should be called with ``{% module
xsrf_form_html() %}``
See `check_xsrf_cookie()` above for more information.
"""
return '<input type="hidden" name="_xsrf" value="' + \
escape.xhtml_escape(self.xsrf_token) + '"/>'
def render(self, text, **kwargs):
return escape.linkify(text, **kwargs)
def reverse(self, *args):
assert self._path is not None, \
"Cannot reverse url regex " + self.regex.pattern
assert len(args) == self._group_count, "required number of arguments "\
"not found"
if not len(args):
return self._path
converted_args = []
for a in args:
if not isinstance(a, (unicode_type, bytes)):
a = str(a)
converted_args.append(escape.url_escape(utf8(a), plus=False))
return self._path % tuple(converted_args)
def test_linkify(self):
for text, kwargs, html in linkify_tests:
linked = tornado.escape.linkify(text, **kwargs)
self.assertEqual(linked, html)
def test_escape_return_types(self):
# On python2 the escape methods should generally return the same
# type as their argument
self.assertEqual(type(xhtml_escape("foo")), str)
self.assertEqual(type(xhtml_escape(u("foo"))), unicode_type)
def __call__(self, request):
data = {}
response = []
def start_response(status, response_headers, exc_info=None):
data["status"] = status
data["headers"] = response_headers
return response.append
app_response = self.wsgi_application(
WSGIContainer.environ(request), start_response)
try:
response.extend(app_response)
body = b"".join(response)
finally:
if hasattr(app_response, "close"):
app_response.close()
if not data:
raise Exception("WSGI app did not call start_response")
status_code, reason = data["status"].split(' ', 1)
status_code = int(status_code)
headers = data["headers"]
header_set = set(k.lower() for (k, v) in headers)
body = escape.utf8(body)
if status_code != 304:
if "content-length" not in header_set:
headers.append(("Content-Length", str(len(body))))
if "content-type" not in header_set:
headers.append(("Content-Type", "text/html; charset=UTF-8"))
if "server" not in header_set:
headers.append(("Server", "TornadoServer/%s" % tornado.version))
start_line = httputil.ResponseStartLine("HTTP/1.1", status_code, reason)
header_obj = httputil.HTTPHeaders()
for key, value in headers:
header_obj.add(key, value)
request.connection.write_headers(start_line, header_obj, chunk=body)
request.connection.finish()
self._log(status_code, request)
