Replace pyke nopyke

.gitignore

@@ -35,7 +35,6 @@ pip-cache
 # Created by Iris build
 *.so
 lib/iris/etc/site.cfg
-lib/iris/fileformats/_pyke_rules/compiled_krb/
 lib/iris/std_names.py
 
 # Iris test result files

MANIFEST.in

@@ -3,9 +3,7 @@ include CHANGES COPYING COPYING.LESSER
 
 # Files from setup.py package_data that are not automatically added to source distributions
 recursive-include lib/iris/tests/results *.cml *.cdl *.txt *.xml *.json
-recursive-exclude lib/iris/fileformats/_pyke_rules/compiled_krb *
 recursive-include lib/iris/etc *
-include lib/iris/fileformats/_pyke_rules/*.krb
 
 recursive-include requirements *
 

asv.conf.json

@@ -20,7 +20,6 @@
         "scipy": [],
 
         "setuptools": [],
-        "pyke": [],
         "six": [],
 
         "nose": [],

docs/src/developers_guide/release.rst

@@ -104,7 +104,7 @@ To do this perform the following steps.
 Create a conda environment with the appropriate conda packages to build the
 source distribution (``sdist``) and pure Python wheel (``bdist_wheel``)::
 
-    > conda create -n iris-pypi -c conda-forge --yes pip pyke python setuptools twine wheel
+    > conda create -n iris-pypi -c conda-forge --yes pip python setuptools twine wheel
     > . activate iris-pypi
 
 Checkout the appropriate Iris ``<release>`` tag from the appropriate ``<repo>``.

docs/src/installing.rst

@@ -70,7 +70,7 @@ The rest can be done with pip. Begin with numpy::
 Finally, Iris and its Python dependencies can be installed with the following
 command::
 
-  pip3 install setuptools cftime==1.2.1 cf-units scitools-pyke scitools-iris
+  pip3 install setuptools cftime==1.2.1 cf-units scitools-iris
 
 This procedure was tested on a Ubuntu 20.04 system on the
 27th of January, 2021.

lib/iris/fileformats/_nc_load_rules/__init__.py

@@ -0,0 +1,16 @@
+# Copyright Iris contributors
+#
+# This file is part of Iris and is released under the LGPL license.
+# See COPYING and COPYING.LESSER in the root of the repository for full
+# licensing details.
+"""
+Support for cube-specific CF-to-Iris translation operations.
+
+Interprets CF concepts identified by :mod:`iris.fileformats.cf` to add
+components into loaded cubes.
+
+For now : the API mimics :class:`pyke.knowledge_engine.engine`.
+As this is aiming to replace the old Pyke-based logic rules.
+TODO: simplify once the parallel operation with Pyke is no  longer required.
+
+"""