rerun_bindings::dataframe

Struct PyRecordingView

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pub struct PyRecordingView {
    pub(crate) recording: PyRecordingHandle,
    pub(crate) query_expression: QueryExpression,
}
Expand description

A view of a recording restricted to a given index, containing a specific set of entities and components.

See [Recording.view(…)][rerun.dataframe.Recording.view] for details on how to create a RecordingView.

Note: RecordingView APIs never mutate the underlying view. Instead, they always return new views with the requested modifications applied.

The view will only contain a single row for each unique value of the index that is associated with a component column that was included in the view. Component columns that are not included via the view contents will not impact the rows that make up the view. If the same entity / component pair was logged to a given index multiple times, only the most recent row will be included in the view, as determined by the row_id column. This will generally be the last value logged, as row_ids are guaranteed to be monotonically increasing when data is sent from a single process.

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§recording: PyRecordingHandle§query_expression: QueryExpression

Implementations§

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impl PyRecordingView

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fn select_args( args: &Bound<'_, PyTuple>, columns: Option<Vec<AnyColumn>>, ) -> PyResult<Option<Vec<ColumnSelector>>>

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impl PyRecordingView

A view of a recording restricted to a given index, containing a specific set of entities and components.

Can only be created by calling view(...) on a Recording.

The only type of index currently supported is the name of a timeline.

The view will only contain a single row for each unique value of the index. If the same entity / component pair was logged to a given index multiple times, only the most recent row will be included in the view, as determined by the row_id column. This will generally be the last value logged, as row_ids are guaranteed to be monotonically increasing when data is sent from a single process.

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fn schema(&self, py: Python<'_>) -> PySchema

The schema describing all the columns available in the view.

This schema will only contain the columns that are included in the view via the view contents.

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fn select( &self, py: Python<'_>, args: &Bound<'_, PyTuple>, columns: Option<Vec<AnyColumn>>, ) -> PyResult<PyArrowType<Box<dyn RecordBatchReader + Send>>>

Select the columns from the view.

If no columns are provided, all available columns will be included in the output.

The selected columns do not change the rows that are included in the view. The rows are determined by the index values and the components that were included in the view contents, or can be overridden with [.using_index_values()][rerun.dataframe.RecordingView.using_index_values].

If a column was not provided with data for a given row, it will be null in the output.

The output is a [pyarrow.RecordBatchReader][] that can be used to read out the data.

§Parameters

*args : AnyColumn The columns to select. columns : Optional[SequenceAnyColumn], optional Alternatively the columns to select can be provided as a sequence.

§Returns

pa.RecordBatchReader A reader that can be used to read out the selected data.

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fn select_static( &self, py: Python<'_>, args: &Bound<'_, PyTuple>, columns: Option<Vec<AnyColumn>>, ) -> PyResult<PyArrowType<Box<dyn RecordBatchReader + Send>>>

Select only the static columns from the view.

Because static data has no associated index values it does not cause a row to be generated in the output. If your view only contains static data this method allows you to select it without needing to provide index values.

This method will always return a single row.

Any non-static columns that are included in the selection will generate a warning and produce empty columns.

§Parameters

*args : AnyColumn The columns to select. columns : Optional[SequenceAnyColumn], optional Alternatively the columns to select can be provided as a sequence.

§Returns

pa.RecordBatchReader A reader that can be used to read out the selected data.

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fn filter_range_sequence(&self, start: i64, end: i64) -> PyResult<Self>

Filter the view to only include data between the given index sequence numbers.

This range is inclusive and will contain both the value at the start and the value at the end.

The view must be of a sequential index type to use this method.

§Parameters

start : int The inclusive start of the range. end : int The inclusive end of the range.

§Returns

RecordingView A new view containing only the data within the specified range.

The original view will not be modified.
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fn filter_range_secs(&self, start: f64, end: f64) -> PyResult<Self>

Filter the view to only include data between the given index values expressed as seconds.

This range is inclusive and will contain both the value at the start and the value at the end.

The view must be of a temporal index type to use this method.

§Parameters

start : int The inclusive start of the range. end : int The inclusive end of the range.

§Returns

RecordingView A new view containing only the data within the specified range.

The original view will not be modified.
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fn filter_range_seconds(&self, start: f64, end: f64) -> PyResult<Self>

👎Deprecated since 0.23.0: Renamed to filter_range_secs

DEPRECATED: Renamed to filter_range_secs.

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fn filter_range_nanos(&self, start: i64, end: i64) -> PyResult<Self>

Filter the view to only include data between the given index values expressed as nanoseconds.

This range is inclusive and will contain both the value at the start and the value at the end.

The view must be of a temporal index type to use this method.

§Parameters

start : int The inclusive start of the range. end : int The inclusive end of the range.

§Returns

RecordingView A new view containing only the data within the specified range.

The original view will not be modified.
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fn filter_index_values(&self, values: IndexValuesLike<'_>) -> PyResult<Self>

Filter the view to only include data at the provided index values.

The index values returned will be the intersection between the provided values and the original index values.

This requires index values to be a precise match. Index values in Rerun are represented as i64 sequence counts or nanoseconds. This API does not expose an interface in floating point seconds, as the numerical conversion would risk false mismatches.

§Parameters

values : IndexValuesLike The index values to filter by.

§Returns

RecordingView A new view containing only the data at the specified index values.

The original view will not be modified.
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fn filter_is_not_null(&self, column: AnyComponentColumn) -> PyResult<Self>

Filter the view to only include rows where the given component column is not null.

This corresponds to rows for index values where this component was provided to Rerun explicitly via .log() or .send_columns().

§Parameters

column : AnyComponentColumn The component column to filter by.

§Returns

RecordingView A new view containing only the data where the specified component column is not null.

The original view will not be modified.
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fn using_index_values(&self, values: IndexValuesLike<'_>) -> PyResult<Self>

Replace the index in the view with the provided values.

The output view will always have the same number of rows as the provided values, even if those rows are empty. Use with [.fill_latest_at()][rerun.dataframe.RecordingView.fill_latest_at] to populate these rows with the most recent data.

This requires index values to be a precise match. Index values in Rerun are represented as i64 sequence counts or nanoseconds. This API does not expose an interface in floating point seconds, as the numerical conversion would risk false mismatches.

§Parameters

values : IndexValuesLike The index values to use.

§Returns

RecordingView A new view containing the provided index values.

The original view will not be modified.
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fn fill_latest_at(&self) -> Self

Populate any null values in a row with the latest valid data according to the index.

§Returns

RecordingView A new view with the null values filled in.

The original view will not be modified.

Trait Implementations§

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impl Clone for PyRecordingView

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fn clone(&self) -> PyRecordingView

Returns a copy 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 PyRecordingView

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

👎Deprecated since 0.23.0: IntoPy is going to be replaced by IntoPyObject. See the migration guide (https://pyo3.rs/v0.23.0/migration) for more information.
Performs the conversion.
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impl<'py> IntoPyObject<'py> for PyRecordingView

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type Target = PyRecordingView

The Python output type
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type Output = Bound<'py, <PyRecordingView 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 as IntoPyObject<'_>>::Output, <Self as IntoPyObject<'_>>::Error>

Performs the conversion.
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impl PyClass for PyRecordingView

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type Frozen = False

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

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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<PyRecordingView>

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

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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 PyRecordingView

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

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

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

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

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

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impl PyMethods<PyRecordingView> for PyClassImplCollector<PyRecordingView>

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fn py_methods(self) -> &'static PyClassItems

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impl PyTypeInfo for PyRecordingView

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const NAME: &'static str = "RecordingView"

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

Module name, if any.
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fn type_object_raw(py: Python<'_>) -> *mut PyTypeObject

Returns the PyTypeObject instance for this type.
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Returns the safe abstraction over the type object.
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fn type_object_bound(py: Python<'_>) -> Bound<'_, PyType>

👎Deprecated since 0.23.0: renamed to PyTypeInfo::type_object
Deprecated name for [PyTypeInfo::type_object].
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Checks if object is an instance of this type or a subclass of this type.
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fn is_type_of_bound(object: &Bound<'_, PyAny>) -> bool

👎Deprecated since 0.23.0: renamed to PyTypeInfo::is_type_of
Deprecated name for [PyTypeInfo::is_type_of].
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fn is_exact_type_of(object: &Bound<'_, PyAny>) -> bool

Checks if object is an instance of this type.
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fn is_exact_type_of_bound(object: &Bound<'_, PyAny>) -> bool

👎Deprecated since 0.23.0: renamed to PyTypeInfo::is_exact_type_of
Deprecated name for [PyTypeInfo::is_exact_type_of].
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impl DerefToPyAny for PyRecordingView

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fn f_swap<F>(&mut self, offset: FieldOffset<S, F, Unaligned>, right: &mut S)

Swaps a field (determined by offset) with the same field in right. Read more
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fn f_get_copy<F>(&self, offset: FieldOffset<S, F, Unaligned>) -> F
where F: Copy,

Gets a copy of a field (determined by offset). The field is determined by offset. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> SaturatingAs for T

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fn saturating_as<Dst>(self) -> Dst
where T: SaturatingCast<Dst>,

Casts the value.
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impl<Src, Dst> SaturatingCastFrom<Src> for Dst
where Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> SelfOps for T
where T: ?Sized,

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fn eq_id(&self, other: &Self) -> bool

Compares the address of self with the address of other. Read more
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fn piped<F, U>(self, f: F) -> U
where F: FnOnce(Self) -> U, Self: Sized,

Emulates the pipeline operator, allowing method syntax in more places. Read more
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fn piped_ref<'a, F, U>(&'a self, f: F) -> U
where F: FnOnce(&'a Self) -> U,

The same as piped except that the function takes &Self Useful for functions that take &Self instead of Self. Read more
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fn piped_mut<'a, F, U>(&'a mut self, f: F) -> U
where F: FnOnce(&'a mut Self) -> U,

The same as piped, except that the function takes &mut Self. Useful for functions that take &mut Self instead of Self.
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fn mutated<F>(self, f: F) -> Self
where F: FnOnce(&mut Self), Self: Sized,

Mutates self using a closure taking self by mutable reference, passing it along the method chain. Read more
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fn observe<F>(self, f: F) -> Self
where F: FnOnce(&Self), Self: Sized,

Observes the value of self, passing it along unmodified. Useful in long method chains. Read more
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fn into_<T>(self) -> T
where Self: Into<T>,

Performs a conversion with Into. using the turbofish .into_::<_>() syntax. Read more
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fn as_ref_<T>(&self) -> &T
where Self: AsRef<T>, T: ?Sized,

Performs a reference to reference conversion with AsRef, using the turbofish .as_ref_::<_>() syntax. Read more
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fn as_mut_<T>(&mut self) -> &mut T
where Self: AsMut<T>, T: ?Sized,

Performs a mutable reference to mutable reference conversion with AsMut, using the turbofish .as_mut_::<_>() syntax. Read more
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fn drop_(self)
where Self: Sized,

Drops self using method notation. Alternative to std::mem::drop. Read more
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> To for T
where T: ?Sized,

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fn to<T>(self) -> T
where Self: Into<T>,

Converts to T by calling Into<T>::into.
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fn try_to<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Tries to convert to T by calling TryInto<T>::try_into.
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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<This> TransmuteElement for This
where This: ?Sized,

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unsafe fn transmute_element<T>(self) -> Self::TransmutedPtr
where Self: CanTransmuteElement<T>,

Transmutes the element type of this pointer.. Read more
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. 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> TypeIdentity for T
where T: ?Sized,

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type Type = T

This is always Self.
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fn into_type(self) -> Self::Type
where Self: Sized, Self::Type: Sized,

Converts a value back to the original type.
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fn as_type(&self) -> &Self::Type

Converts a reference back to the original type.
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fn as_type_mut(&mut self) -> &mut Self::Type

Converts a mutable reference back to the original type.
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fn into_type_box(self: Box<Self>) -> Box<Self::Type>

Converts a box back to the original type.
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fn into_type_arc(this: Arc<Self>) -> Arc<Self::Type>

Converts an Arc back to the original type. Read more
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fn into_type_rc(this: Rc<Self>) -> Rc<Self::Type>

Converts an Rc back to the original type. Read more
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fn from_type(this: Self::Type) -> Self
where Self: Sized, Self::Type: Sized,

Converts a value back to the original type.
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fn from_type_ref(this: &Self::Type) -> &Self

Converts a reference back to the original type.
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fn from_type_mut(this: &mut Self::Type) -> &mut Self

Converts a mutable reference back to the original type.
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fn from_type_box(this: Box<Self::Type>) -> Box<Self>

Converts a box back to the original type.
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fn from_type_arc(this: Arc<Self::Type>) -> Arc<Self>

Converts an Arc back to the original type.
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fn from_type_rc(this: Rc<Self::Type>) -> Rc<Self>

Converts an Rc back to the original type.
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impl<T> UnwrappedAs for T

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fn unwrapped_as<Dst>(self) -> Dst
where T: UnwrappedCast<Dst>,

Casts the value.
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impl<Src, Dst> UnwrappedCastFrom<Src> for Dst
where Src: UnwrappedCast<Dst>,

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fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WrappingAs for T

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fn wrapping_as<Dst>(self) -> Dst
where T: WrappingCast<Dst>,

Casts the value.
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impl<Src, Dst> WrappingCastFrom<Src> for Dst
where Src: WrappingCast<Dst>,

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fn wrapping_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

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impl<T> Ungil for T
where T: Send,