Summary

This PR implements support for continuous signal iteration while preventing code hanging while iterating by error on a colour.SpectralDistribution or colour.MultiSpectralDistributions class instances.

import colour

sd = colour.SDS_ILLUMINANTS["A"]
for i in sd:
    print(i)

[ 300.          0.930483]
[ 305.         1.12821]
[ 310.         1.35769]
...
[ 780.     241.675]

import colour

sd = colour.MSDS_CMFS["CIE 2012 2 Degree Standard Observer"]
for i in sd:
    print(i)

[  3.90000000e+02   3.76964700e-03   4.14616100e-04   1.84726000e-02]
[  3.91000000e+02   4.53241600e-03   5.02833300e-04   2.22110100e-02]
[  3.92000000e+02   5.44655300e-03   6.08499100e-04   2.66981900e-02]
...
[  8.30000000e+02   1.76246500e-06   7.05386000e-07   0.00000000e+00]

Preflight

Code Style and Quality

• Unit tests have been implemented and passed.
• Pyright static checking has been run and passed.
• Pre-commit hooks have been run and passed.
• [N/A] New transformations have been added to the Automatic Colour Conversion Graph.
• [N/A] New transformations have been exported to the relevant namespaces, e.g. colour, colour.models.

Documentation

• New features are documented along with examples if relevant.
• The documentation is Sphinx and numpydoc compliant.