colour.utilities.ndarray_write#

colour.utilities.ndarray_write(a: ArrayLike) → Generator[source]#

Define a context manager setting given array \(a\) writeable to operate one and then read-only.

Parameters:: a (ArrayLike) – Array \(a\) to operate on.
Yields:: Generator – Array \(a\) operated.
Return type:: Generator

Examples

>>> a = np.linspace(0, 1, 10)
>>> a.setflags(write=False)
>>> try:
...     a += 1
... except ValueError:
...     pass
>>> with ndarray_write(a):
...     a += 1