[−][src]Struct pyo3::types::PyByteArray
Represents a Python bytearray
.
Methods
impl PyByteArray
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pub fn new<'p>(py: Python<'p>, src: &[u8]) -> &'p PyByteArray
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Creates a new Python bytearray object.
The byte string is initialized by copying the data from the &[u8]
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pub fn from<'p, I>(py: Python<'p>, src: &'p I) -> PyResult<&'p PyByteArray> where
I: AsPyPointer,
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I: AsPyPointer,
Creates a new Python bytearray object from other PyObject, that implements the buffer protocol.
pub fn len(&self) -> usize
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Gets the length of the bytearray.
pub fn is_empty(&self) -> bool
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Check if bytearray is empty.
pub fn to_vec(&self) -> Vec<u8>
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Copies the contents of the bytearray to a rust vector
Example
let bytearray = PyByteArray::new(py, b"Hello World."); let mut copied_message = bytearray.to_vec(); assert_eq!(b"Hello World.", copied_message.as_slice()); copied_message[11] = b'!'; assert_eq!(b"Hello World!", copied_message.as_slice()); let locals = [("bytearray", bytearray)].into_py_dict(py); py.run("assert bytearray == b'Hello World.'", None, Some(locals)).unwrap();
pub fn resize(&self, len: usize) -> PyResult<()>
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Resize bytearray object to len
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Trait Implementations
impl AsPyPointer for PyByteArray
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impl AsRef<PyAny> for PyByteArray
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impl Debug for PyByteArray
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impl Display for PyByteArray
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impl<'a> From<&'a PyByteArray> for &'a PyAny
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fn from(ob: &'a PyByteArray) -> Self
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impl PartialEq<PyByteArray> for PyByteArray
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impl PyNativeType for PyByteArray
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impl PyObjectLayout<PyByteArray> for PyObject
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const IS_NATIVE_TYPE: bool
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fn get_super_or(
&mut self
) -> Option<&mut <T::BaseType as PyTypeInfo>::ConcreteLayout>
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&mut self
) -> Option<&mut <T::BaseType as PyTypeInfo>::ConcreteLayout>
unsafe fn internal_ref_cast(obj: &PyAny) -> &T
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unsafe fn internal_mut_cast(obj: &PyAny) -> &mut T
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unsafe fn py_init(&mut self, _value: T)
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unsafe fn py_drop(&mut self, _py: Python)
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impl PyTypeInfo for PyByteArray
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type Type = ()
Type of objects to store in PyObject struct
type BaseType = PyAny
Base class
type ConcreteLayout = PyObject
Layout
type Initializer = PyNativeTypeInitializer<Self>
Initializer for layout
const NAME: &'static str
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const MODULE: Option<&'static str>
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unsafe fn type_object() -> &'static mut PyTypeObject
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fn is_instance(ptr: &PyAny) -> bool
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const DESCRIPTION: &'static str
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const FLAGS: usize
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fn is_exact_instance(object: &PyAny) -> bool
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impl PyTypeObject for PyByteArray
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fn init_type() -> NonNull<PyTypeObject>
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fn type_object() -> Py<PyType>
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impl ToPyObject for PyByteArray
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Auto Trait Implementations
impl !RefUnwindSafe for PyByteArray
impl !Send for PyByteArray
impl !Sync for PyByteArray
impl Unpin for PyByteArray
impl UnwindSafe for PyByteArray
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> PyTypeObject for T where
T: PyClass,
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T: PyClass,
fn init_type() -> NonNull<PyTypeObject>
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fn type_object() -> Py<PyType>
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,