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PythonFileReaderBuilder

polars_io::external_reader::python

Struct PythonFileReaderBuilder 

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pub struct PythonFileReaderBuilder { /* private fields */ }
Available on crate feature python only.

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impl PythonFileReaderBuilder

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pub fn new(builder: Py<PyAny>) -> Self

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pub fn builder(&self) -> &Arc<PythonObject> ⓘ

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pub fn explain_properties(&self) -> PolarsResult<PlIndexMap<String, String>>

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pub fn init_multi_scan_context( &self, py: Python<'_>, cx: &Py<PyDict>, ) -> PolarsResult<()>

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impl Clone for PythonFileReaderBuilder

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fn clone(&self) -> PythonFileReaderBuilder

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PythonFileReaderBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for PythonFileReaderBuilder

Available on crate feature serde only.
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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for PythonFileReaderBuilder

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impl<'a, 'py> FromPyObject<'a, 'py> for PythonFileReaderBuilder

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type Error = PyErr

The type returned in the event of a conversion error. Read more
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fn extract(ob: Borrowed<'a, 'py, PyAny>) -> PyResult<Self>

Extracts Self from the bound smart pointer obj. Read more
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impl Hash for PythonFileReaderBuilder

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'py> IntoPyObject<'py> for PythonFileReaderBuilder

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type Target = PyAny

The Python output type
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type Output = Bound<'py, <PythonFileReaderBuilder as IntoPyObject<'py>>::Target>

The smart pointer type to use. Read more
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type Error = PyErr

The type returned in the event of a conversion error.
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fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error>

Performs the conversion.
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impl<'py> IntoPyObject<'py> for &PythonFileReaderBuilder

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type Target = PyAny

The Python output type
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type Output = Bound<'py, <&PythonFileReaderBuilder as IntoPyObject<'py>>::Target>

The smart pointer type to use. Read more
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type Error = PyErr

The type returned in the event of a conversion error.
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fn into_pyobject(self, py: Python<'py>) -> Result<Self::Output, Self::Error>

Performs the conversion.
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impl JsonSchema for PythonFileReaderBuilder

Available on crate feature dsl-schema only.
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fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema. Read more
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fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type. Read more
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fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type. Read more
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fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword. Read more
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impl PartialEq for PythonFileReaderBuilder

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fn eq(&self, other: &PythonFileReaderBuilder) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for PythonFileReaderBuilder

Available on crate feature serde only.
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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for PythonFileReaderBuilder

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

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Gets the TypeId of self. 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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fn __clone_box(&self, _: Private) -> *mut ()

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Returns the argument unchanged.

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

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impl<'py, T> IntoPyObjectExt<'py> for T
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fn into_bound_py_any(self, py: Python<'py>) -> Result<Bound<'py, PyAny>, PyErr>

Converts self into an owned Python object, dropping type information.
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Converts self into an owned Python object, dropping type information and unbinding it from the 'py lifetime.
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Converts self into a Python object. Read more
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fn and<P, B, E>(self, other: P) -> And<T, P>
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where T: for<'py> IntoPyObject<'py> + Send + Sync,

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

Arguments for exception
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