AsyncReader

Struct AsyncReader 

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pub struct AsyncReader(/* private fields */);
Expand description

AsyncReader implements AsyncRead.

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impl AsyncReader

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pub fn new(inner: Box<dyn AsyncRead + Send + Sync + Unpin + 'static>) -> Self

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impl AsyncReader

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pub fn read<'a>( &'a self, chunk_size: usize, py: Python<'a>, ) -> PyResult<&'a PyAny>

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pub fn read_exact<'a>( &'a self, bytes: usize, py: Python<'a>, ) -> PyResult<&'a PyAny>

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pub fn read_to_end<'a>( &'a self, chunk_size: usize, py: Python<'a>, ) -> PyResult<&'a PyAny>

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pub fn read_to_string<'a>(&'a self, py: Python<'a>) -> PyResult<&'a PyAny>

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pub fn close<'a>(&'a self, py: Python<'a>) -> PyResult<&'a PyAny>

Trait Implementations§

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impl AsyncRead for AsyncReader

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fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8], ) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into buf. Read more
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fn poll_read_vectored( self: Pin<&mut Self>, cx: &mut Context<'_>, bufs: &mut [IoSliceMut<'_>], ) -> Poll<Result<usize, Error>>

Attempt to read from the AsyncRead into bufs using vectored IO operations. Read more
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impl Clone for AsyncReader

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fn clone(&self) -> AsyncReader

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl IntoPy<Py<PyAny>> for AsyncReader

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fn into_py(self, py: Python<'_>) -> PyObject

Performs the conversion.
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impl PyClass for AsyncReader

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type Frozen = False

Whether the pyclass is frozen. Read more
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impl PyClassImpl for AsyncReader

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const IS_BASETYPE: bool = false

#[pyclass(subclass)]
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const IS_SUBCLASS: bool = false

#[pyclass(extends=…)]
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const IS_MAPPING: bool = false

#[pyclass(mapping)]
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const IS_SEQUENCE: bool = false

#[pyclass(sequence)]
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type BaseType = PyAny

Base class
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type ThreadChecker = SendablePyClass<AsyncReader>

This handles following two situations: Read more
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type PyClassMutability = <<PyAny as PyClassBaseType>::PyClassMutability as PyClassMutability>::MutableChild

Immutable or mutable
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type Dict = PyClassDummySlot

Specify this class has #[pyclass(dict)] or not.
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type WeakRef = PyClassDummySlot

Specify this class has #[pyclass(weakref)] or not.
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type BaseNativeType = PyAny

The closest native ancestor. This is PyAny by default, and when you declare #[pyclass(extends=PyDict)], it’s PyDict.
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fn items_iter() -> PyClassItemsIter

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fn doc(py: Python<'_>) -> PyResult<&'static CStr>

Rendered class doc
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fn lazy_type_object() -> &'static LazyTypeObject<Self>

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fn dict_offset() -> Option<isize>

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fn weaklist_offset() -> Option<isize>

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impl<'a, 'py> PyFunctionArgument<'a, 'py> for &'a AsyncReader

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type Holder = Option<PyRef<'py, AsyncReader>>

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fn extract(obj: &'py PyAny, holder: &'a mut Self::Holder) -> PyResult<Self>

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impl<'a, 'py> PyFunctionArgument<'a, 'py> for &'a mut AsyncReader

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type Holder = Option<PyRefMut<'py, AsyncReader>>

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fn extract(obj: &'py PyAny, holder: &'a mut Self::Holder) -> PyResult<Self>

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impl PyMethods<AsyncReader> for PyClassImplCollector<AsyncReader>

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fn py_methods(self) -> &'static PyClassItems

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impl PyTypeInfo for AsyncReader

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const NAME: &'static str = "AsyncReader"

Class name.
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const MODULE: Option<&'static str> = ::core::option::Option::None

Module name, if any.
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type AsRefTarget = PyCell<AsyncReader>

Utility type to make Py::as_ref work.
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fn type_object_raw(py: Python<'_>) -> *mut PyTypeObject

Returns the PyTypeObject instance for this type.
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fn type_object(py: Python<'_>) -> &PyType

Returns the safe abstraction over the type object.
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fn is_type_of(object: &PyAny) -> bool

Checks if object is an instance of this type or a subclass of this type.
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fn is_exact_type_of(object: &PyAny) -> bool

Checks if object is an instance of this type.

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<R> AsyncReadExt for R
where R: AsyncRead + ?Sized,

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fn chain<R>(self, next: R) -> Chain<Self, R>
where Self: Sized, R: AsyncRead,

Creates an adaptor which will chain this stream with another. Read more
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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>
where Self: Unpin,

Tries to read some bytes directly into the given buf in asynchronous manner, returning a future type. Read more
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fn read_vectored<'a>( &'a mut self, bufs: &'a mut [IoSliceMut<'a>], ) -> ReadVectored<'a, Self>
where Self: Unpin,

Creates a future which will read from the AsyncRead into bufs using vectored IO operations. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>
where Self: Unpin,

Creates a future which will read exactly enough bytes to fill buf, returning an error if end of file (EOF) is hit sooner. Read more
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fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>
where Self: Unpin,

Creates a future which will read all the bytes from this AsyncRead. Read more
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fn read_to_string<'a>( &'a mut self, buf: &'a mut String, ) -> ReadToString<'a, Self>
where Self: Unpin,

Creates a future which will read all the bytes from this AsyncRead. Read more
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fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>)
where Self: Sized + AsyncWrite,

Helper method for splitting this read/write object into two halves. Read more
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fn take(self, limit: u64) -> Take<Self>
where Self: Sized,

Creates an AsyncRead adapter which will read at most limit bytes from the underlying reader. Read more
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impl<R> AsyncReadExt for R
where R: AsyncRead + ?Sized,

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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>
where Self: Unpin,

Reads some bytes from the byte stream. Read more
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fn read_vectored<'a>( &'a mut self, bufs: &'a mut [IoSliceMut<'a>], ) -> ReadVectoredFuture<'a, Self>
where Self: Unpin,

Like read(), except it reads into a slice of buffers. Read more
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fn read_to_end<'a>( &'a mut self, buf: &'a mut Vec<u8>, ) -> ReadToEndFuture<'a, Self>
where Self: Unpin,

Reads the entire contents and appends them to a Vec. Read more
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fn read_to_string<'a>( &'a mut self, buf: &'a mut String, ) -> ReadToStringFuture<'a, Self>
where Self: Unpin,

Reads the entire contents and appends them to a String. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>
where Self: Unpin,

Reads the exact number of bytes required to fill buf. Read more
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fn take(self, limit: u64) -> Take<Self>
where Self: Sized,

Creates an adapter which will read at most limit bytes from it. Read more
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fn bytes(self) -> Bytes<Self>
where Self: Sized,

Converts this AsyncRead into a Stream of bytes. Read more
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fn chain<R>(self, next: R) -> Chain<Self, R>
where R: AsyncRead, Self: Sized,

Creates an adapter which will chain this stream with another. Read more
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fn boxed_reader<'a>(self) -> Pin<Box<dyn AsyncRead + Send + 'a>>
where Self: Sized + Send + 'a,

Boxes the reader and changes its type to dyn AsyncRead + Send + 'a. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<'a, T> FromPyObject<'a> for T
where T: PyClass + Clone,

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fn extract(obj: &'a PyAny) -> Result<T, PyErr>

Extracts Self from the source PyObject.
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> PyErrArguments for T
where T: IntoPy<Py<PyAny>> + Send + Sync,

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fn arguments(self, py: Python<'_>) -> Py<PyAny>

Arguments for exception
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impl<T> ReadExt for T
where T: AsyncRead + ?Sized,

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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadFuture<'a, Self>
where Self: Unpin,

Reads some bytes from the byte stream. Read more
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fn read_vectored<'a>( &'a mut self, bufs: &'a mut [IoSliceMut<'a>], ) -> ReadVectoredFuture<'a, Self>
where Self: Unpin,

Like read, except that it reads into a slice of buffers. Read more
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fn read_to_end<'a>( &'a mut self, buf: &'a mut Vec<u8>, ) -> ReadToEndFuture<'a, Self>
where Self: Unpin,

Reads all bytes from the byte stream. Read more
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fn read_to_string<'a>( &'a mut self, buf: &'a mut String, ) -> ReadToStringFuture<'a, Self>
where Self: Unpin,

Reads all bytes from the byte stream and appends them into a string. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExactFuture<'a, Self>
where Self: Unpin,

Reads the exact number of bytes required to fill buf. Read more
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fn take(self, limit: u64) -> Take<Self>
where Self: Sized,

Creates an adaptor which will read at most limit bytes from it. Read more
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fn by_ref(&mut self) -> &mut Self
where Self: Sized,

Creates a “by reference” adaptor for this instance of Read. Read more
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fn bytes(self) -> Bytes<Self>
where Self: Sized,

Transforms this Read instance to a Stream over its bytes. Read more
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fn chain<R>(self, next: R) -> Chain<Self, R>
where R: AsyncRead, Self: Sized,

Creates an adaptor which will chain this stream with another. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Ungil for T
where T: Send,