http:// → https:// (#415)

Update links in the process.

.github/CONTRIBUTING.md

@@ -1,4 +1,4 @@
 Contributing
 ============
 
-Please see the [project documentation](http://numcodecs.readthedocs.io/en/stable/contributing.html) for information about contributing to NumCodecs.
+Please see the [project documentation](https://numcodecs.readthedocs.io/en/stable/contributing.html) for information about contributing to NumCodecs.

CODE_OF_CONDUCT.md

@@ -40,7 +40,7 @@ Project maintainers who do not follow or enforce the Code of Conduct in good fai
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [https://www.contributor-covenant.org/version/1/4/code-of-conduct/][version]
 
-[homepage]: http://contributor-covenant.org
-[version]: http://contributor-covenant.org/version/1/4/
+[homepage]: https://www.contributor-covenant.org/
+[version]: https://www.contributor-covenant.org/version/1/4/code-of-conduct/

README.rst

@@ -5,7 +5,7 @@ Numcodecs is a Python package providing buffer compression and transformation
 codecs for use in data storage and communication applications.
 
 .. image:: https://readthedocs.org/projects/numcodecs/badge/?version=latest
-    :target: http://numcodecs.readthedocs.io/en/latest/?badge=latest
+    :target: https://numcodecs.readthedocs.io/en/latest/?badge=latest
 
 .. image:: https://github.com/zarr-developers/numcodecs/workflows/Linux%20CI/badge.svg?branch=main
     :target: https://github.com/zarr-developers/numcodecs/actions?query=workflow%3A%22Linux+CI%22

docs/index.rst

@@ -11,9 +11,8 @@ Installation
 ------------
 
 Numcodecs depends on NumPy. It is generally best to `install NumPy
-<http://docs.scipy.org/doc/numpy/user/install.html>`_ first using
-whatever method is most appropriate for you operating system and
-Python distribution.
+<https://numpy.org/install/>`_ first using whatever method is most
+appropriate for you operating system and Python distribution.
 
 Install from PyPI::
 
@@ -105,7 +104,7 @@ documentation, code reviews, comments and/or ideas:
 Numcodecs bundles the `c-blosc <https://github.com/Blosc/c-blosc>`_ library.
 
 Development of this package is supported by the
-`MRC Centre for Genomics and Global Health <http://www.cggh.org>`_.
+`MRC Centre for Genomics and Global Health <https://www.sanger.ac.uk/collaboration/mrc-centre-genomics-and-global-health-cggh/>`_.
 
 Indices and tables
 ------------------
@@ -114,4 +113,4 @@ Indices and tables
 * :ref:`modindex`
 * :ref:`search`
 
-.. _Blosc: http://www.blosc.org/
+.. _Blosc: https://www.blosc.org/

docs/release.rst

@@ -691,7 +691,7 @@ Fixed project description in setup.py.
 -----
 
 First release. This version is a port of the ``codecs`` module from `Zarr
-<http://zarr.readthedocs.io>`_ 2.1.0. The following changes have been made from
+<https://zarr.readthedocs.io>`_ 2.1.0. The following changes have been made from
 the original Zarr module:
 
 * Codec classes have been re-organized into separate modules, mostly one per