partition stringclasses 3
values | func_name stringlengths 1 134 | docstring stringlengths 1 46.9k | path stringlengths 4 223 | original_string stringlengths 75 104k | code stringlengths 75 104k | docstring_tokens listlengths 1 1.97k | repo stringlengths 7 55 | language stringclasses 1
value | url stringlengths 87 315 | code_tokens listlengths 19 28.4k | sha stringlengths 40 40 |
|---|---|---|---|---|---|---|---|---|---|---|---|
train | StaticFileHandler.get_content_type | Returns the ``Content-Type`` header to be used for this request.
.. versionadded:: 3.1 | tornado/web.py | def get_content_type(self) -> str:
"""Returns the ``Content-Type`` header to be used for this request.
.. versionadded:: 3.1
"""
assert self.absolute_path is not None
mime_type, encoding = mimetypes.guess_type(self.absolute_path)
# per RFC 6713, use the appropriate type ... | def get_content_type(self) -> str:
"""Returns the ``Content-Type`` header to be used for this request.
.. versionadded:: 3.1
"""
assert self.absolute_path is not None
mime_type, encoding = mimetypes.guess_type(self.absolute_path)
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train | StaticFileHandler.get_cache_time | Override to customize cache control behavior.
Return a positive number of seconds to make the result
cacheable for that amount of time or 0 to mark resource as
cacheable for an unspecified amount of time (subject to
browser heuristics).
By default returns cache expiry of 10 yea... | tornado/web.py | def get_cache_time(
self, path: str, modified: Optional[datetime.datetime], mime_type: str
) -> int:
"""Override to customize cache control behavior.
Return a positive number of seconds to make the result
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self, path: str, modified: Optional[datetime.datetime], mime_type: str
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train | StaticFileHandler.make_static_url | Constructs a versioned url for the given path.
This method may be overridden in subclasses (but note that it
is a class method rather than an instance method). Subclasses
are only required to implement the signature
``make_static_url(cls, settings, path)``; other keyword
argume... | tornado/web.py | def make_static_url(
cls, settings: Dict[str, Any], path: str, include_version: bool = True
) -> str:
"""Constructs a versioned url for the given path.
This method may be overridden in subclasses (but note that it
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... | def make_static_url(
cls, settings: Dict[str, Any], path: str, include_version: bool = True
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This method may be overridden in subclasses (but note that it
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train | StaticFileHandler.parse_url_path | Converts a static URL path into a filesystem path.
``url_path`` is the path component of the URL with
``static_url_prefix`` removed. The return value should be
filesystem path relative to ``static_path``.
This is the inverse of `make_static_url`. | tornado/web.py | def parse_url_path(self, url_path: str) -> str:
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``url_path`` is the path component of the URL with
``static_url_prefix`` removed. The return value should be
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``url_path`` is the path component of the URL with
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train | StaticFileHandler.get_version | Generate the version string to be used in static URLs.
``settings`` is the `Application.settings` dictionary and ``path``
is the relative location of the requested asset on the filesystem.
The returned value should be a string, or ``None`` if no version
could be determined.
.. ... | tornado/web.py | def get_version(cls, settings: Dict[str, Any], path: str) -> Optional[str]:
"""Generate the version string to be used in static URLs.
``settings`` is the `Application.settings` dictionary and ``path``
is the relative location of the requested asset on the filesystem.
The returned value ... | def get_version(cls, settings: Dict[str, Any], path: str) -> Optional[str]:
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``settings`` is the `Application.settings` dictionary and ``path``
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train | UIModule.render_string | Renders a template and returns it as a string. | tornado/web.py | def render_string(self, path: str, **kwargs: Any) -> bytes:
"""Renders a template and returns it as a string."""
return self.handler.render_string(path, **kwargs) | def render_string(self, path: str, **kwargs: Any) -> bytes:
"""Renders a template and returns it as a string."""
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train | xhtml_escape | Escapes a string so it is valid within HTML or XML.
Escapes the characters ``<``, ``>``, ``"``, ``'``, and ``&``.
When used in attribute values the escaped strings must be enclosed
in quotes.
.. versionchanged:: 3.2
Added the single quote to the list of escaped characters. | tornado/escape.py | def xhtml_escape(value: Union[str, bytes]) -> str:
"""Escapes a string so it is valid within HTML or XML.
Escapes the characters ``<``, ``>``, ``"``, ``'``, and ``&``.
When used in attribute values the escaped strings must be enclosed
in quotes.
.. versionchanged:: 3.2
Added the single quo... | def xhtml_escape(value: Union[str, bytes]) -> str:
"""Escapes a string so it is valid within HTML or XML.
Escapes the characters ``<``, ``>``, ``"``, ``'``, and ``&``.
When used in attribute values the escaped strings must be enclosed
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train | xhtml_unescape | Un-escapes an XML-escaped string. | tornado/escape.py | def xhtml_unescape(value: Union[str, bytes]) -> str:
"""Un-escapes an XML-escaped string."""
return re.sub(r"&(#?)(\w+?);", _convert_entity, _unicode(value)) | def xhtml_unescape(value: Union[str, bytes]) -> str:
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train | json_decode | Returns Python objects for the given JSON string.
Supports both `str` and `bytes` inputs. | tornado/escape.py | def json_decode(value: Union[str, bytes]) -> Any:
"""Returns Python objects for the given JSON string.
Supports both `str` and `bytes` inputs.
"""
return json.loads(to_basestring(value)) | def json_decode(value: Union[str, bytes]) -> Any:
"""Returns Python objects for the given JSON string.
Supports both `str` and `bytes` inputs.
"""
return json.loads(to_basestring(value)) | [
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train | url_escape | Returns a URL-encoded version of the given value.
If ``plus`` is true (the default), spaces will be represented
as "+" instead of "%20". This is appropriate for query strings
but not for the path component of a URL. Note that this default
is the reverse of Python's urllib module.
.. versionadded... | tornado/escape.py | def url_escape(value: Union[str, bytes], plus: bool = True) -> str:
"""Returns a URL-encoded version of the given value.
If ``plus`` is true (the default), spaces will be represented
as "+" instead of "%20". This is appropriate for query strings
but not for the path component of a URL. Note that this... | def url_escape(value: Union[str, bytes], plus: bool = True) -> str:
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train | url_unescape | Decodes the given value from a URL.
The argument may be either a byte or unicode string.
If encoding is None, the result will be a byte string. Otherwise,
the result is a unicode string in the specified encoding.
If ``plus`` is true (the default), plus signs will be interpreted
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value: Union[str, bytes], encoding: Optional[str] = "utf-8", plus: bool = True
) -> Union[str, bytes]:
"""Decodes the given value from a URL.
The argument may be either a byte or unicode string.
If encoding is None, the result will be a byte string. Otherwise,
the ... | def url_unescape( # noqa: F811
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train | parse_qs_bytes | Parses a query string like urlparse.parse_qs, but returns the
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Keys still become type str (interpreted as latin1 in python3!)
because it's too painful to keep them as byte strings in
python3 and in practice they're nearly always ascii anyway. | tornado/escape.py | def parse_qs_bytes(
qs: str, keep_blank_values: bool = False, strict_parsing: bool = False
) -> Dict[str, List[bytes]]:
"""Parses a query string like urlparse.parse_qs, but returns the
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Keys still become type str (interpreted as latin1 in python3!)
because it's too painful to... | def parse_qs_bytes(
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) -> Dict[str, List[bytes]]:
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train | utf8 | Converts a string argument to a byte string.
If the argument is already a byte string or None, it is returned unchanged.
Otherwise it must be a unicode string and is encoded as utf8. | tornado/escape.py | def utf8(value: Union[None, str, bytes]) -> Optional[bytes]: # noqa: F811
"""Converts a string argument to a byte string.
If the argument is already a byte string or None, it is returned unchanged.
Otherwise it must be a unicode string and is encoded as utf8.
"""
if isinstance(value, _UTF8_TYPES):... | def utf8(value: Union[None, str, bytes]) -> Optional[bytes]: # noqa: F811
"""Converts a string argument to a byte string.
If the argument is already a byte string or None, it is returned unchanged.
Otherwise it must be a unicode string and is encoded as utf8.
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train | to_unicode | Converts a string argument to a unicode string.
If the argument is already a unicode string or None, it is returned
unchanged. Otherwise it must be a byte string and is decoded as utf8. | tornado/escape.py | def to_unicode(value: Union[None, str, bytes]) -> Optional[str]: # noqa: F811
"""Converts a string argument to a unicode string.
If the argument is already a unicode string or None, it is returned
unchanged. Otherwise it must be a byte string and is decoded as utf8.
"""
if isinstance(value, _TO_U... | def to_unicode(value: Union[None, str, bytes]) -> Optional[str]: # noqa: F811
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If the argument is already a unicode string or None, it is returned
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train | recursive_unicode | Walks a simple data structure, converting byte strings to unicode.
Supports lists, tuples, and dictionaries. | tornado/escape.py | def recursive_unicode(obj: Any) -> Any:
"""Walks a simple data structure, converting byte strings to unicode.
Supports lists, tuples, and dictionaries.
"""
if isinstance(obj, dict):
return dict(
(recursive_unicode(k), recursive_unicode(v)) for (k, v) in obj.items()
)
eli... | def recursive_unicode(obj: Any) -> Any:
"""Walks a simple data structure, converting byte strings to unicode.
Supports lists, tuples, and dictionaries.
"""
if isinstance(obj, dict):
return dict(
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train | linkify | Converts plain text into HTML with links.
For example: ``linkify("Hello http://tornadoweb.org!")`` would return
``Hello <a href="http://tornadoweb.org">http://tornadoweb.org</a>!``
Parameters:
* ``shorten``: Long urls will be shortened for display.
* ``extra_params``: Extra text to include in th... | tornado/escape.py | def linkify(
text: Union[str, bytes],
shorten: bool = False,
extra_params: Union[str, Callable[[str], str]] = "",
require_protocol: bool = False,
permitted_protocols: List[str] = ["http", "https"],
) -> str:
"""Converts plain text into HTML with links.
For example: ``linkify("Hello http://t... | def linkify(
text: Union[str, bytes],
shorten: bool = False,
extra_params: Union[str, Callable[[str], str]] = "",
require_protocol: bool = False,
permitted_protocols: List[str] = ["http", "https"],
) -> str:
"""Converts plain text into HTML with links.
For example: ``linkify("Hello http://t... | [
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] | tornadoweb/tornado | python | https://github.com/tornadoweb/tornado/blob/b8b481770bcdb333a69afde5cce7eaa449128326/tornado/escape.py#L273-L375 | [
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train | IOLoop.current | Returns the current thread's `IOLoop`.
If an `IOLoop` is currently running or has been marked as
current by `make_current`, returns that instance. If there is
no current `IOLoop` and ``instance`` is true, creates one.
.. versionchanged:: 4.1
Added ``instance`` argument to c... | tornado/ioloop.py | def current(instance: bool = True) -> Optional["IOLoop"]:
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If an `IOLoop` is currently running or has been marked as
current by `make_current`, returns that instance. If there is
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... | def current(instance: bool = True) -> Optional["IOLoop"]:
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train | IOLoop.clear_current | Clears the `IOLoop` for the current thread.
Intended primarily for use by test frameworks in between tests.
.. versionchanged:: 5.0
This method also clears the current `asyncio` event loop. | tornado/ioloop.py | def clear_current() -> None:
"""Clears the `IOLoop` for the current thread.
Intended primarily for use by test frameworks in between tests.
.. versionchanged:: 5.0
This method also clears the current `asyncio` event loop.
"""
old = IOLoop.current(instance=False)
... | def clear_current() -> None:
"""Clears the `IOLoop` for the current thread.
Intended primarily for use by test frameworks in between tests.
.. versionchanged:: 5.0
This method also clears the current `asyncio` event loop.
"""
old = IOLoop.current(instance=False)
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train | IOLoop.add_handler | Registers the given handler to receive the given events for ``fd``.
The ``fd`` argument may either be an integer file descriptor or
a file-like object with a ``fileno()`` and ``close()`` method.
The ``events`` argument is a bitwise or of the constants
``IOLoop.READ``, ``IOLoop.WRITE``,... | tornado/ioloop.py | def add_handler( # noqa: F811
self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int
) -> None:
"""Registers the given handler to receive the given events for ``fd``.
The ``fd`` argument may either be an integer file descriptor or
a file-like object with a ``f... | def add_handler( # noqa: F811
self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int
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train | IOLoop._setup_logging | The IOLoop catches and logs exceptions, so it's
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default behavior for non-root loggers (prior to python
3.2) is to print an unhelpful "no handlers could be
found" message rather than the actual log entry, so we
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default behavior for non-root loggers (prior to python
3.2) is to print an unhelpful "no handlers could be
found" message rather than the ... | def _setup_logging(self) -> None:
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train | IOLoop.run_sync | Starts the `IOLoop`, runs the given function, and stops the loop.
The function must return either an awaitable object or
``None``. If the function returns an awaitable object, the
`IOLoop` will run until the awaitable is resolved (and
`run_sync()` will return the awaitable's result). If... | tornado/ioloop.py | def run_sync(self, func: Callable, timeout: float = None) -> Any:
"""Starts the `IOLoop`, runs the given function, and stops the loop.
The function must return either an awaitable object or
``None``. If the function returns an awaitable object, the
`IOLoop` will run until the awaitable ... | def run_sync(self, func: Callable, timeout: float = None) -> Any:
"""Starts the `IOLoop`, runs the given function, and stops the loop.
The function must return either an awaitable object or
``None``. If the function returns an awaitable object, the
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train | IOLoop.add_timeout | Runs the ``callback`` at the time ``deadline`` from the I/O loop.
Returns an opaque handle that may be passed to
`remove_timeout` to cancel.
``deadline`` may be a number denoting a time (on the same
scale as `IOLoop.time`, normally `time.time`), or a
`datetime.timedelta` object... | tornado/ioloop.py | def add_timeout(
self,
deadline: Union[float, datetime.timedelta],
callback: Callable[..., None],
*args: Any,
**kwargs: Any
) -> object:
"""Runs the ``callback`` at the time ``deadline`` from the I/O loop.
Returns an opaque handle that may be passed to
... | def add_timeout(
self,
deadline: Union[float, datetime.timedelta],
callback: Callable[..., None],
*args: Any,
**kwargs: Any
) -> object:
"""Runs the ``callback`` at the time ``deadline`` from the I/O loop.
Returns an opaque handle that may be passed to
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train | IOLoop.call_later | Runs the ``callback`` after ``delay`` seconds have passed.
Returns an opaque handle that may be passed to `remove_timeout`
to cancel. Note that unlike the `asyncio` method of the same
name, the returned object does not have a ``cancel()`` method.
See `add_timeout` for comments on thre... | tornado/ioloop.py | def call_later(
self, delay: float, callback: Callable[..., None], *args: Any, **kwargs: Any
) -> object:
"""Runs the ``callback`` after ``delay`` seconds have passed.
Returns an opaque handle that may be passed to `remove_timeout`
to cancel. Note that unlike the `asyncio` method o... | def call_later(
self, delay: float, callback: Callable[..., None], *args: Any, **kwargs: Any
) -> object:
"""Runs the ``callback`` after ``delay`` seconds have passed.
Returns an opaque handle that may be passed to `remove_timeout`
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train | IOLoop.call_at | Runs the ``callback`` at the absolute time designated by ``when``.
``when`` must be a number using the same reference point as
`IOLoop.time`.
Returns an opaque handle that may be passed to `remove_timeout`
to cancel. Note that unlike the `asyncio` method of the same
name, the ... | tornado/ioloop.py | def call_at(
self, when: float, callback: Callable[..., None], *args: Any, **kwargs: Any
) -> object:
"""Runs the ``callback`` at the absolute time designated by ``when``.
``when`` must be a number using the same reference point as
`IOLoop.time`.
Returns an opaque handle th... | def call_at(
self, when: float, callback: Callable[..., None], *args: Any, **kwargs: Any
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"""Runs the ``callback`` at the absolute time designated by ``when``.
``when`` must be a number using the same reference point as
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train | IOLoop.spawn_callback | Calls the given callback on the next IOLoop iteration.
As of Tornado 6.0, this method is equivalent to `add_callback`.
.. versionadded:: 4.0 | tornado/ioloop.py | def spawn_callback(self, callback: Callable, *args: Any, **kwargs: Any) -> None:
"""Calls the given callback on the next IOLoop iteration.
As of Tornado 6.0, this method is equivalent to `add_callback`.
.. versionadded:: 4.0
"""
self.add_callback(callback, *args, **kwargs) | def spawn_callback(self, callback: Callable, *args: Any, **kwargs: Any) -> None:
"""Calls the given callback on the next IOLoop iteration.
As of Tornado 6.0, this method is equivalent to `add_callback`.
.. versionadded:: 4.0
"""
self.add_callback(callback, *args, **kwargs) | [
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train | IOLoop.add_future | Schedules a callback on the ``IOLoop`` when the given
`.Future` is finished.
The callback is invoked with one argument, the
`.Future`.
This method only accepts `.Future` objects and not other
awaitables (unlike most of Tornado where the two are
interchangeable). | tornado/ioloop.py | def add_future(
self,
future: "Union[Future[_T], concurrent.futures.Future[_T]]",
callback: Callable[["Future[_T]"], None],
) -> None:
"""Schedules a callback on the ``IOLoop`` when the given
`.Future` is finished.
The callback is invoked with one argument, the
... | def add_future(
self,
future: "Union[Future[_T], concurrent.futures.Future[_T]]",
callback: Callable[["Future[_T]"], None],
) -> None:
"""Schedules a callback on the ``IOLoop`` when the given
`.Future` is finished.
The callback is invoked with one argument, the
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train | IOLoop.run_in_executor | Runs a function in a ``concurrent.futures.Executor``. If
``executor`` is ``None``, the IO loop's default executor will be used.
Use `functools.partial` to pass keyword arguments to ``func``.
.. versionadded:: 5.0 | tornado/ioloop.py | def run_in_executor(
self,
executor: Optional[concurrent.futures.Executor],
func: Callable[..., _T],
*args: Any
) -> Awaitable[_T]:
"""Runs a function in a ``concurrent.futures.Executor``. If
``executor`` is ``None``, the IO loop's default executor will be used.
... | def run_in_executor(
self,
executor: Optional[concurrent.futures.Executor],
func: Callable[..., _T],
*args: Any
) -> Awaitable[_T]:
"""Runs a function in a ``concurrent.futures.Executor``. If
``executor`` is ``None``, the IO loop's default executor will be used.
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train | IOLoop._run_callback | Runs a callback with error handling.
.. versionchanged:: 6.0
CancelledErrors are no longer logged. | tornado/ioloop.py | def _run_callback(self, callback: Callable[[], Any]) -> None:
"""Runs a callback with error handling.
.. versionchanged:: 6.0
CancelledErrors are no longer logged.
"""
try:
ret = callback()
if ret is not None:
from tornado import gen
... | def _run_callback(self, callback: Callable[[], Any]) -> None:
"""Runs a callback with error handling.
.. versionchanged:: 6.0
CancelledErrors are no longer logged.
"""
try:
ret = callback()
if ret is not None:
from tornado import gen
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train | PeriodicCallback.start | Starts the timer. | tornado/ioloop.py | def start(self) -> None:
"""Starts the timer."""
# Looking up the IOLoop here allows to first instantiate the
# PeriodicCallback in another thread, then start it using
# IOLoop.add_callback().
self.io_loop = IOLoop.current()
self._running = True
self._next_timeout... | def start(self) -> None:
"""Starts the timer."""
# Looking up the IOLoop here allows to first instantiate the
# PeriodicCallback in another thread, then start it using
# IOLoop.add_callback().
self.io_loop = IOLoop.current()
self._running = True
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train | PeriodicCallback.stop | Stops the timer. | tornado/ioloop.py | def stop(self) -> None:
"""Stops the timer."""
self._running = False
if self._timeout is not None:
self.io_loop.remove_timeout(self._timeout)
self._timeout = None | def stop(self) -> None:
"""Stops the timer."""
self._running = False
if self._timeout is not None:
self.io_loop.remove_timeout(self._timeout)
self._timeout = None | [
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``args`` may be either a dictionary or a list of key-value pairs
(the latter allows for multiple values with the same key.
>>> url_concat("http://example.com/foo", dict(c="d"))
'http://example.com/foo?c=d'
>... | tornado/httputil.py | def url_concat(
url: str,
args: Union[
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],
) -> str:
"""Concatenate url and arguments regardless of whether
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``args`` may be either a dictionary or a list of key-value pairs
(th... | def url_concat(
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train | _parse_request_range | Parses a Range header.
Returns either ``None`` or tuple ``(start, end)``.
Note that while the HTTP headers use inclusive byte positions,
this method returns indexes suitable for use in slices.
>>> start, end = _parse_request_range("bytes=1-2")
>>> start, end
(1, 3)
>>> [0, 1, 2, 3, 4][star... | tornado/httputil.py | def _parse_request_range(
range_header: str
) -> Optional[Tuple[Optional[int], Optional[int]]]:
"""Parses a Range header.
Returns either ``None`` or tuple ``(start, end)``.
Note that while the HTTP headers use inclusive byte positions,
this method returns indexes suitable for use in slices.
>>... | def _parse_request_range(
range_header: str
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"""Parses a Range header.
Returns either ``None`` or tuple ``(start, end)``.
Note that while the HTTP headers use inclusive byte positions,
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train | _get_content_range | Returns a suitable Content-Range header:
>>> print(_get_content_range(None, 1, 4))
bytes 0-0/4
>>> print(_get_content_range(1, 3, 4))
bytes 1-2/4
>>> print(_get_content_range(None, None, 4))
bytes 0-3/4 | tornado/httputil.py | def _get_content_range(start: Optional[int], end: Optional[int], total: int) -> str:
"""Returns a suitable Content-Range header:
>>> print(_get_content_range(None, 1, 4))
bytes 0-0/4
>>> print(_get_content_range(1, 3, 4))
bytes 1-2/4
>>> print(_get_content_range(None, None, 4))
bytes 0-3/4
... | def _get_content_range(start: Optional[int], end: Optional[int], total: int) -> str:
"""Returns a suitable Content-Range header:
>>> print(_get_content_range(None, 1, 4))
bytes 0-0/4
>>> print(_get_content_range(1, 3, 4))
bytes 1-2/4
>>> print(_get_content_range(None, None, 4))
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train | parse_body_arguments | Parses a form request body.
Supports ``application/x-www-form-urlencoded`` and
``multipart/form-data``. The ``content_type`` parameter should be
a string and ``body`` should be a byte string. The ``arguments``
and ``files`` parameters are dictionaries that will be updated
with the parsed contents... | tornado/httputil.py | def parse_body_arguments(
content_type: str,
body: bytes,
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files: Dict[str, List[HTTPFile]],
headers: HTTPHeaders = None,
) -> None:
"""Parses a form request body.
Supports ``application/x-www-form-urlencoded`` and
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content_type: str,
body: bytes,
arguments: Dict[str, List[bytes]],
files: Dict[str, List[HTTPFile]],
headers: HTTPHeaders = None,
) -> None:
"""Parses a form request body.
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train | parse_multipart_form_data | Parses a ``multipart/form-data`` body.
The ``boundary`` and ``data`` parameters are both byte strings.
The dictionaries given in the arguments and files parameters
will be updated with the contents of the body.
.. versionchanged:: 5.1
Now recognizes non-ASCII filenames in RFC 2231/5987
... | tornado/httputil.py | def parse_multipart_form_data(
boundary: bytes,
data: bytes,
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files: Dict[str, List[HTTPFile]],
) -> None:
"""Parses a ``multipart/form-data`` body.
The ``boundary`` and ``data`` parameters are both byte strings.
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files: Dict[str, List[HTTPFile]],
) -> None:
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train | format_timestamp | Formats a timestamp in the format used by HTTP.
The argument may be a numeric timestamp as returned by `time.time`,
a time tuple as returned by `time.gmtime`, or a `datetime.datetime`
object.
>>> format_timestamp(1359312200)
'Sun, 27 Jan 2013 18:43:20 GMT' | tornado/httputil.py | def format_timestamp(
ts: Union[int, float, tuple, time.struct_time, datetime.datetime]
) -> str:
"""Formats a timestamp in the format used by HTTP.
The argument may be a numeric timestamp as returned by `time.time`,
a time tuple as returned by `time.gmtime`, or a `datetime.datetime`
object.
>... | def format_timestamp(
ts: Union[int, float, tuple, time.struct_time, datetime.datetime]
) -> str:
"""Formats a timestamp in the format used by HTTP.
The argument may be a numeric timestamp as returned by `time.time`,
a time tuple as returned by `time.gmtime`, or a `datetime.datetime`
object.
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train | parse_request_start_line | Returns a (method, path, version) tuple for an HTTP 1.x request line.
The response is a `collections.namedtuple`.
>>> parse_request_start_line("GET /foo HTTP/1.1")
RequestStartLine(method='GET', path='/foo', version='HTTP/1.1') | tornado/httputil.py | def parse_request_start_line(line: str) -> RequestStartLine:
"""Returns a (method, path, version) tuple for an HTTP 1.x request line.
The response is a `collections.namedtuple`.
>>> parse_request_start_line("GET /foo HTTP/1.1")
RequestStartLine(method='GET', path='/foo', version='HTTP/1.1')
"""
... | def parse_request_start_line(line: str) -> RequestStartLine:
"""Returns a (method, path, version) tuple for an HTTP 1.x request line.
The response is a `collections.namedtuple`.
>>> parse_request_start_line("GET /foo HTTP/1.1")
RequestStartLine(method='GET', path='/foo', version='HTTP/1.1')
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train | parse_response_start_line | Returns a (version, code, reason) tuple for an HTTP 1.x response line.
The response is a `collections.namedtuple`.
>>> parse_response_start_line("HTTP/1.1 200 OK")
ResponseStartLine(version='HTTP/1.1', code=200, reason='OK') | tornado/httputil.py | def parse_response_start_line(line: str) -> ResponseStartLine:
"""Returns a (version, code, reason) tuple for an HTTP 1.x response line.
The response is a `collections.namedtuple`.
>>> parse_response_start_line("HTTP/1.1 200 OK")
ResponseStartLine(version='HTTP/1.1', code=200, reason='OK')
"""
... | def parse_response_start_line(line: str) -> ResponseStartLine:
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The response is a `collections.namedtuple`.
>>> parse_response_start_line("HTTP/1.1 200 OK")
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train | _parse_header | r"""Parse a Content-type like header.
Return the main content-type and a dictionary of options.
>>> d = "form-data; foo=\"b\\\\a\\\"r\"; file*=utf-8''T%C3%A4st"
>>> ct, d = _parse_header(d)
>>> ct
'form-data'
>>> d['file'] == r'T\u00e4st'.encode('ascii').decode('unicode_escape')
True
>... | tornado/httputil.py | def _parse_header(line: str) -> Tuple[str, Dict[str, str]]:
r"""Parse a Content-type like header.
Return the main content-type and a dictionary of options.
>>> d = "form-data; foo=\"b\\\\a\\\"r\"; file*=utf-8''T%C3%A4st"
>>> ct, d = _parse_header(d)
>>> ct
'form-data'
>>> d['file'] == r'T\... | def _parse_header(line: str) -> Tuple[str, Dict[str, str]]:
r"""Parse a Content-type like header.
Return the main content-type and a dictionary of options.
>>> d = "form-data; foo=\"b\\\\a\\\"r\"; file*=utf-8''T%C3%A4st"
>>> ct, d = _parse_header(d)
>>> ct
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>>> d['file'] == r'T\... | [
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train | _encode_header | Inverse of _parse_header.
>>> _encode_header('permessage-deflate',
... {'client_max_window_bits': 15, 'client_no_context_takeover': None})
'permessage-deflate; client_max_window_bits=15; client_no_context_takeover' | tornado/httputil.py | def _encode_header(key: str, pdict: Dict[str, str]) -> str:
"""Inverse of _parse_header.
>>> _encode_header('permessage-deflate',
... {'client_max_window_bits': 15, 'client_no_context_takeover': None})
'permessage-deflate; client_max_window_bits=15; client_no_context_takeover'
"""
if not pd... | def _encode_header(key: str, pdict: Dict[str, str]) -> str:
"""Inverse of _parse_header.
>>> _encode_header('permessage-deflate',
... {'client_max_window_bits': 15, 'client_no_context_takeover': None})
'permessage-deflate; client_max_window_bits=15; client_no_context_takeover'
"""
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train | encode_username_password | Encodes a username/password pair in the format used by HTTP auth.
The return value is a byte string in the form ``username:password``.
.. versionadded:: 5.1 | tornado/httputil.py | def encode_username_password(
username: Union[str, bytes], password: Union[str, bytes]
) -> bytes:
"""Encodes a username/password pair in the format used by HTTP auth.
The return value is a byte string in the form ``username:password``.
.. versionadded:: 5.1
"""
if isinstance(username, unicode... | def encode_username_password(
username: Union[str, bytes], password: Union[str, bytes]
) -> bytes:
"""Encodes a username/password pair in the format used by HTTP auth.
The return value is a byte string in the form ``username:password``.
.. versionadded:: 5.1
"""
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train | split_host_and_port | Returns ``(host, port)`` tuple from ``netloc``.
Returned ``port`` will be ``None`` if not present.
.. versionadded:: 4.1 | tornado/httputil.py | def split_host_and_port(netloc: str) -> Tuple[str, Optional[int]]:
"""Returns ``(host, port)`` tuple from ``netloc``.
Returned ``port`` will be ``None`` if not present.
.. versionadded:: 4.1
"""
match = re.match(r"^(.+):(\d+)$", netloc)
if match:
host = match.group(1)
port = in... | def split_host_and_port(netloc: str) -> Tuple[str, Optional[int]]:
"""Returns ``(host, port)`` tuple from ``netloc``.
Returned ``port`` will be ``None`` if not present.
.. versionadded:: 4.1
"""
match = re.match(r"^(.+):(\d+)$", netloc)
if match:
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train | qs_to_qsl | Generator converting a result of ``parse_qs`` back to name-value pairs.
.. versionadded:: 5.0 | tornado/httputil.py | def qs_to_qsl(qs: Dict[str, List[AnyStr]]) -> Iterable[Tuple[str, AnyStr]]:
"""Generator converting a result of ``parse_qs`` back to name-value pairs.
.. versionadded:: 5.0
"""
for k, vs in qs.items():
for v in vs:
yield (k, v) | def qs_to_qsl(qs: Dict[str, List[AnyStr]]) -> Iterable[Tuple[str, AnyStr]]:
"""Generator converting a result of ``parse_qs`` back to name-value pairs.
.. versionadded:: 5.0
"""
for k, vs in qs.items():
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train | _unquote_cookie | Handle double quotes and escaping in cookie values.
This method is copied verbatim from the Python 3.5 standard
library (http.cookies._unquote) so we don't have to depend on
non-public interfaces. | tornado/httputil.py | def _unquote_cookie(s: str) -> str:
"""Handle double quotes and escaping in cookie values.
This method is copied verbatim from the Python 3.5 standard
library (http.cookies._unquote) so we don't have to depend on
non-public interfaces.
"""
# If there aren't any doublequotes,
# then there ca... | def _unquote_cookie(s: str) -> str:
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This method is copied verbatim from the Python 3.5 standard
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train | parse_cookie | Parse a ``Cookie`` HTTP header into a dict of name/value pairs.
This function attempts to mimic browser cookie parsing behavior;
it specifically does not follow any of the cookie-related RFCs
(because browsers don't either).
The algorithm used is identical to that used by Django version 1.9.10.
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it specifically does not follow any of the cookie-related RFCs
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train | HTTPHeaders.add | Adds a new value for the given key. | tornado/httputil.py | def add(self, name: str, value: str) -> None:
"""Adds a new value for the given key."""
norm_name = _normalized_headers[name]
self._last_key = norm_name
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norm_name = _normalized_headers[name]
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if norm_name in self:
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train | HTTPHeaders.get_list | Returns all values for the given header as a list. | tornado/httputil.py | def get_list(self, name: str) -> List[str]:
"""Returns all values for the given header as a list."""
norm_name = _normalized_headers[name]
return self._as_list.get(norm_name, []) | def get_list(self, name: str) -> List[str]:
"""Returns all values for the given header as a list."""
norm_name = _normalized_headers[name]
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train | HTTPHeaders.get_all | Returns an iterable of all (name, value) pairs.
If a header has multiple values, multiple pairs will be
returned with the same name. | tornado/httputil.py | def get_all(self) -> Iterable[Tuple[str, str]]:
"""Returns an iterable of all (name, value) pairs.
If a header has multiple values, multiple pairs will be
returned with the same name.
"""
for name, values in self._as_list.items():
for value in values:
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"""Returns an iterable of all (name, value) pairs.
If a header has multiple values, multiple pairs will be
returned with the same name.
"""
for name, values in self._as_list.items():
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train | HTTPHeaders.parse_line | Updates the dictionary with a single header line.
>>> h = HTTPHeaders()
>>> h.parse_line("Content-Type: text/html")
>>> h.get('content-type')
'text/html' | tornado/httputil.py | def parse_line(self, line: str) -> None:
"""Updates the dictionary with a single header line.
>>> h = HTTPHeaders()
>>> h.parse_line("Content-Type: text/html")
>>> h.get('content-type')
'text/html'
"""
if line[0].isspace():
# continuation of a multi-l... | def parse_line(self, line: str) -> None:
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>>> h = HTTPHeaders()
>>> h.parse_line("Content-Type: text/html")
>>> h.get('content-type')
'text/html'
"""
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train | HTTPHeaders.parse | Returns a dictionary from HTTP header text.
>>> h = HTTPHeaders.parse("Content-Type: text/html\\r\\nContent-Length: 42\\r\\n")
>>> sorted(h.items())
[('Content-Length', '42'), ('Content-Type', 'text/html')]
.. versionchanged:: 5.1
Raises `HTTPInputError` on malformed header... | tornado/httputil.py | def parse(cls, headers: str) -> "HTTPHeaders":
"""Returns a dictionary from HTTP header text.
>>> h = HTTPHeaders.parse("Content-Type: text/html\\r\\nContent-Length: 42\\r\\n")
>>> sorted(h.items())
[('Content-Length', '42'), ('Content-Type', 'text/html')]
.. versionchanged:: 5... | def parse(cls, headers: str) -> "HTTPHeaders":
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>>> h = HTTPHeaders.parse("Content-Type: text/html\\r\\nContent-Length: 42\\r\\n")
>>> sorted(h.items())
[('Content-Length', '42'), ('Content-Type', 'text/html')]
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train | HTTPServerRequest.cookies | A dictionary of ``http.cookies.Morsel`` objects. | tornado/httputil.py | def cookies(self) -> Dict[str, http.cookies.Morsel]:
"""A dictionary of ``http.cookies.Morsel`` objects."""
if not hasattr(self, "_cookies"):
self._cookies = http.cookies.SimpleCookie()
if "Cookie" in self.headers:
try:
parsed = parse_cookie(se... | def cookies(self) -> Dict[str, http.cookies.Morsel]:
"""A dictionary of ``http.cookies.Morsel`` objects."""
if not hasattr(self, "_cookies"):
self._cookies = http.cookies.SimpleCookie()
if "Cookie" in self.headers:
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parsed = parse_cookie(se... | [
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train | HTTPServerRequest.request_time | Returns the amount of time it took for this request to execute. | tornado/httputil.py | def request_time(self) -> float:
"""Returns the amount of time it took for this request to execute."""
if self._finish_time is None:
return time.time() - self._start_time
else:
return self._finish_time - self._start_time | def request_time(self) -> float:
"""Returns the amount of time it took for this request to execute."""
if self._finish_time is None:
return time.time() - self._start_time
else:
return self._finish_time - self._start_time | [
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train | HTTPServerRequest.get_ssl_certificate | Returns the client's SSL certificate, if any.
To use client certificates, the HTTPServer's
`ssl.SSLContext.verify_mode` field must be set, e.g.::
ssl_ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
ssl_ctx.load_cert_chain("foo.crt", "foo.key")
ssl_ctx.load... | tornado/httputil.py | def get_ssl_certificate(
self, binary_form: bool = False
) -> Union[None, Dict, bytes]:
"""Returns the client's SSL certificate, if any.
To use client certificates, the HTTPServer's
`ssl.SSLContext.verify_mode` field must be set, e.g.::
ssl_ctx = ssl.create_default_cont... | def get_ssl_certificate(
self, binary_form: bool = False
) -> Union[None, Dict, bytes]:
"""Returns the client's SSL certificate, if any.
To use client certificates, the HTTPServer's
`ssl.SSLContext.verify_mode` field must be set, e.g.::
ssl_ctx = ssl.create_default_cont... | [
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train | bind_sockets | Creates listening sockets bound to the given port and address.
Returns a list of socket objects (multiple sockets are returned if
the given address maps to multiple IP addresses, which is most common
for mixed IPv4 and IPv6 use).
Address may be either an IP address or hostname. If it's a hostname,
... | tornado/netutil.py | def bind_sockets(
port: int,
address: str = None,
family: socket.AddressFamily = socket.AF_UNSPEC,
backlog: int = _DEFAULT_BACKLOG,
flags: int = None,
reuse_port: bool = False,
) -> List[socket.socket]:
"""Creates listening sockets bound to the given port and address.
Returns a list of ... | def bind_sockets(
port: int,
address: str = None,
family: socket.AddressFamily = socket.AF_UNSPEC,
backlog: int = _DEFAULT_BACKLOG,
flags: int = None,
reuse_port: bool = False,
) -> List[socket.socket]:
"""Creates listening sockets bound to the given port and address.
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train | add_accept_handler | Adds an `.IOLoop` event handler to accept new connections on ``sock``.
When a connection is accepted, ``callback(connection, address)`` will
be run (``connection`` is a socket object, and ``address`` is the
address of the other end of the connection). Note that this signature
is different from the ``c... | tornado/netutil.py | def add_accept_handler(
sock: socket.socket, callback: Callable[[socket.socket, Any], None]
) -> Callable[[], None]:
"""Adds an `.IOLoop` event handler to accept new connections on ``sock``.
When a connection is accepted, ``callback(connection, address)`` will
be run (``connection`` is a socket object,... | def add_accept_handler(
sock: socket.socket, callback: Callable[[socket.socket, Any], None]
) -> Callable[[], None]:
"""Adds an `.IOLoop` event handler to accept new connections on ``sock``.
When a connection is accepted, ``callback(connection, address)`` will
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train | is_valid_ip | Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6. | tornado/netutil.py | def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = soc... | def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = soc... | [
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train | ssl_options_to_context | Try to convert an ``ssl_options`` dictionary to an
`~ssl.SSLContext` object.
The ``ssl_options`` dictionary contains keywords to be passed to
`ssl.wrap_socket`. In Python 2.7.9+, `ssl.SSLContext` objects can
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`~ssl.SSLContext` equivalent... | tornado/netutil.py | def ssl_options_to_context(
ssl_options: Union[Dict[str, Any], ssl.SSLContext]
) -> ssl.SSLContext:
"""Try to convert an ``ssl_options`` dictionary to an
`~ssl.SSLContext` object.
The ``ssl_options`` dictionary contains keywords to be passed to
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ssl_options: Union[Dict[str, Any], ssl.SSLContext]
) -> ssl.SSLContext:
"""Try to convert an ``ssl_options`` dictionary to an
`~ssl.SSLContext` object.
The ``ssl_options`` dictionary contains keywords to be passed to
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train | ssl_wrap_socket | Returns an ``ssl.SSLSocket`` wrapping the given socket.
``ssl_options`` may be either an `ssl.SSLContext` object or a
dictionary (as accepted by `ssl_options_to_context`). Additional
keyword arguments are passed to ``wrap_socket`` (either the
`~ssl.SSLContext` method or the `ssl` module function as
... | tornado/netutil.py | def ssl_wrap_socket(
socket: socket.socket,
ssl_options: Union[Dict[str, Any], ssl.SSLContext],
server_hostname: str = None,
**kwargs: Any
) -> ssl.SSLSocket:
"""Returns an ``ssl.SSLSocket`` wrapping the given socket.
``ssl_options`` may be either an `ssl.SSLContext` object or a
dictionary ... | def ssl_wrap_socket(
socket: socket.socket,
ssl_options: Union[Dict[str, Any], ssl.SSLContext],
server_hostname: str = None,
**kwargs: Any
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train | run_on_executor | Decorator to run a synchronous method asynchronously on an executor.
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train | chain_future | Chain two futures together so that when one completes, so does the other.
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.. versionchanged:: 5.0
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train | future_set_exc_info | Set the given ``exc_info`` as the `Future`'s exception.
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.. versionadded:: 5.0
.. versionchanged:: 6.0
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If ``future`` is already done, ``callback`` is invoked immediately.
This may differ from the behavior of ``Future.add_done_callback``,
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train | filter_whitespace | Transform whitespace in ``text`` according to ``mode``.
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* ``all``: Return all whitespace unmodified.
* ``single``: Collapse consecutive whitespace with a single whitespace
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train | Template.generate | Generate this template with the given arguments. | tornado/template.py | def generate(self, **kwargs: Any) -> bytes:
"""Generate this template with the given arguments."""
namespace = {
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"url_escape": escape.url_escape,
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train | BaseLoader.load | Loads a template. | tornado/template.py | def load(self, name: str, parent_path: str = None) -> Template:
"""Loads a template."""
name = self.resolve_path(name, parent_path=parent_path)
with self.lock:
if name not in self.templates:
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train | coroutine | Decorator for asynchronous generators.
For compatibility with older versions of Python, coroutines may
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Functions with this decorator return a `.Future`.
.. warning::
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func: Callable[..., "Generator[Any, Any, _T]"]
) -> Callable[..., "Future[_T]"]:
"""Decorator for asynchronous generators.
For compatibility with older versions of Python, coroutines may
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train | multi_future | Wait for multiple asynchronous futures in parallel.
Since Tornado 6.0, this function is exactly the same as `multi`.
.. versionadded:: 4.0
.. versionchanged:: 4.2
If multiple ``Futures`` fail, any exceptions after the first (which is
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) -> "Union[Future[List], Future[Dict]]":
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train | maybe_future | Converts ``x`` into a `.Future`.
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it is wrapped in a new `.Future`. This is suitable for use as
``result = yield gen.maybe_future(f())`` when you don't know whether
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.. deprecated:: 4.3
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"""Converts ``x`` into a `.Future`.
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it is wrapped in a new `.Future`. This is suitable for use as
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train | with_timeout | Wraps a `.Future` (or other yieldable object) in a timeout.
Raises `tornado.util.TimeoutError` if the input future does not
complete before ``timeout``, which may be specified in any form
allowed by `.IOLoop.add_timeout` (i.e. a `datetime.timedelta` or
an absolute time relative to `.IOLoop.time`)
... | tornado/gen.py | def with_timeout(
timeout: Union[float, datetime.timedelta],
future: _Yieldable,
quiet_exceptions: "Union[Type[Exception], Tuple[Type[Exception], ...]]" = (),
) -> Future:
"""Wraps a `.Future` (or other yieldable object) in a timeout.
Raises `tornado.util.TimeoutError` if the input future does not
... | def with_timeout(
timeout: Union[float, datetime.timedelta],
future: _Yieldable,
quiet_exceptions: "Union[Type[Exception], Tuple[Type[Exception], ...]]" = (),
) -> Future:
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yield gen.sleep(0.5)
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yield gen.sleep(0.5)
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train | Runner.run | Starts or resumes the generator, running until it reaches a
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train | _StreamBuffer.peek | Get a view over at most ``size`` bytes (possibly fewer) at the
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train | _StreamBuffer.advance | Advance the current buffer position by ``size`` bytes. | tornado/iostream.py | def advance(self, size: int) -> None:
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train | BaseIOStream.read_bytes | Asynchronously read a number of bytes.
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If ``partial`` is true, data is returned as soon as we have
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.. versionchanged:: 4.0
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train | BaseIOStream.read_into | Asynchronously read a number of bytes.
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If ``partial`` is true, the callback is run as soon as any bytes
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"""Asynchronously read a number of bytes.
``buf`` must be a writable buffer into which data will be read.
If ``partial`` is true, the callback is run as soon as any bytes
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train | BaseIOStream.read_until_close | Asynchronously reads all data from the socket until it is closed.
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train | BaseIOStream.write | Asynchronously write the given data to this stream.
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The ``data`` argument may be of type `bytes` or `memoryview`.
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"""Asynchronously write the given data to this stream.
This method returns a `.Future` that resolves (with a result
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The ``data`` argument may be of type `bytes` or `memory... | def write(self, data: Union[bytes, memoryview]) -> "Future[None]":
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train | BaseIOStream.set_close_callback | Call the given callback when the stream is closed.
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This mostly is not necessary for applications that use the
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train | BaseIOStream.close | Close this stream.
If ``exc_info`` is true, set the ``error`` attribute to the current
exception from `sys.exc_info` (or if ``exc_info`` is a tuple,
use that instead of `sys.exc_info`). | tornado/iostream.py | def close(
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Optional[TracebackType],
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If the read can be completed without blocking, schedules the
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train | BaseIOStream._read_from_buffer | Attempts to complete the currently-pending read from the buffer.
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train | BaseIOStream._find_read_pos | Attempts to find a position in the read buffer that satisfies
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Returns a position in the buffer if the current read can be satisfied,
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train | BaseIOStream._add_io_state | Adds `state` (IOLoop.{READ,WRITE} flags) to our event handler.
Implementation notes: Reads and writes have a fast path and a
slow path. The fast path reads synchronously from socket
buffers, while the slow path uses `_add_io_state` to schedule
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Implementation notes: Reads and writes have a fast path and a
slow path. The fast path reads synchronously from socket
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train | BaseIOStream._is_connreset | Return ``True`` if exc is ECONNRESET or equivalent.
May be overridden in subclasses. | tornado/iostream.py | def _is_connreset(self, exc: BaseException) -> bool:
"""Return ``True`` if exc is ECONNRESET or equivalent.
May be overridden in subclasses.
"""
return (
isinstance(exc, (socket.error, IOError))
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) | def _is_connreset(self, exc: BaseException) -> bool:
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train | IOStream.connect | Connects the socket to a remote address without blocking.
May only be called if the socket passed to the constructor was
not previously connected. The address parameter is in the
same format as for `socket.connect <socket.socket.connect>` for
the type of socket passed to the IOStream c... | tornado/iostream.py | def connect(
self: _IOStreamType, address: tuple, server_hostname: str = None
) -> "Future[_IOStreamType]":
"""Connects the socket to a remote address without blocking.
May only be called if the socket passed to the constructor was
not previously connected. The address parameter is... | def connect(
self: _IOStreamType, address: tuple, server_hostname: str = None
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train | IOStream.start_tls | Convert this `IOStream` to an `SSLIOStream`.
This enables protocols that begin in clear-text mode and
switch to SSL after some initial negotiation (such as the
``STARTTLS`` extension to SMTP and IMAP).
This method cannot be used if there are outstanding reads
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self,
server_side: bool,
ssl_options: Union[Dict[str, Any], ssl.SSLContext] = None,
server_hostname: str = None,
) -> Awaitable["SSLIOStream"]:
"""Convert this `IOStream` to an `SSLIOStream`.
This enables protocols that begin in clear-text mode and
... | def start_tls(
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server_hostname: str = None,
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This enables protocols that begin in clear-text mode and
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train | SSLIOStream._verify_cert | Returns ``True`` if peercert is valid according to the configured
validation mode and hostname.
The ssl handshake already tested the certificate for a valid
CA signature; the only thing that remains is to check
the hostname. | tornado/iostream.py | def _verify_cert(self, peercert: Any) -> bool:
"""Returns ``True`` if peercert is valid according to the configured
validation mode and hostname.
The ssl handshake already tested the certificate for a valid
CA signature; the only thing that remains is to check
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... | def _verify_cert(self, peercert: Any) -> bool:
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train | SSLIOStream.wait_for_handshake | Wait for the initial SSL handshake to complete.
If a ``callback`` is given, it will be called with no
arguments once the handshake is complete; otherwise this
method returns a `.Future` which will resolve to the
stream itself after the handshake is complete.
Once the handshake ... | tornado/iostream.py | def wait_for_handshake(self) -> "Future[SSLIOStream]":
"""Wait for the initial SSL handshake to complete.
If a ``callback`` is given, it will be called with no
arguments once the handshake is complete; otherwise this
method returns a `.Future` which will resolve to the
stream it... | def wait_for_handshake(self) -> "Future[SSLIOStream]":
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train | enable_pretty_logging | Turns on formatted logging output as configured.
This is called automatically by `tornado.options.parse_command_line`
and `tornado.options.parse_config_file`. | tornado/log.py | def enable_pretty_logging(options: Any = None, logger: logging.Logger = None) -> None:
"""Turns on formatted logging output as configured.
This is called automatically by `tornado.options.parse_command_line`
and `tornado.options.parse_config_file`.
"""
if options is None:
import tornado.opt... | def enable_pretty_logging(options: Any = None, logger: logging.Logger = None) -> None:
"""Turns on formatted logging output as configured.
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train | define_logging_options | Add logging-related flags to ``options``.
These options are present automatically on the default options instance;
this method is only necessary if you have created your own `.OptionParser`.
.. versionadded:: 4.2
This function existed in prior versions but was broken and undocumented until 4.2. | tornado/log.py | def define_logging_options(options: Any = None) -> None:
"""Add logging-related flags to ``options``.
These options are present automatically on the default options instance;
this method is only necessary if you have created your own `.OptionParser`.
.. versionadded:: 4.2
This function existed... | def define_logging_options(options: Any = None) -> None:
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train | SimpleAsyncHTTPClient.initialize | Creates a AsyncHTTPClient.
Only a single AsyncHTTPClient instance exists per IOLoop
in order to provide limitations on the number of pending connections.
``force_instance=True`` may be used to suppress this behavior.
Note that because of this implicit reuse, unless ``force_instance``
... | tornado/simple_httpclient.py | def initialize( # type: ignore
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hostname_mapping: Dict[str, str] = None,
max_buffer_size: int = 104857600,
resolver: Resolver = None,
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max_header_size: int = None,
max_body_size: int = None,
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train | SimpleAsyncHTTPClient._on_timeout | Timeout callback of request.
Construct a timeout HTTPResponse when a timeout occurs.
:arg object key: A simple object to mark the request.
:info string key: More detailed timeout information. | tornado/simple_httpclient.py | def _on_timeout(self, key: object, info: str = None) -> None:
"""Timeout callback of request.
Construct a timeout HTTPResponse when a timeout occurs.
:arg object key: A simple object to mark the request.
:info string key: More detailed timeout information.
"""
request, ... | def _on_timeout(self, key: object, info: str = None) -> None:
"""Timeout callback of request.
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:arg object key: A simple object to mark the request.
:info string key: More detailed timeout information.
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