Monkey patch collections module to support Python 3.10.

kolibri/utils/compat.py

@@ -82,3 +82,22 @@ def parse_version(v):
     parsed = _parse_version(v)
 
     return VersionCompat(parsed)
+
+
+def monkey_patch_collections():
+    """
+    Monkey-patching for the collections module is required for Python 3.10
+    and above.
+    Prior to 3.10, the collections module still contained all the entities defined in
+    collections.abc from Python 3.3 onwards. Here we patch those back into main
+    collections module.
+    This can be removed when we upgrade to a version of Django that is Python 3.10 compatible.
+    """
+    if sys.version_info < (3, 10):
+        return
+    import collections
+    from collections import abc
+
+    for name in dir(abc):
+        if not hasattr(collections, name):
+            setattr(collections, name, getattr(abc, name))

kolibri/utils/env.py

@@ -18,6 +18,7 @@
     ColoredFormatter = None
 
 from .logger import LOG_COLORS
+from kolibri.utils.compat import monkey_patch_collections
 
 
 logging.basicConfig(format="%(levelname)s: %(message)s", level=logging.INFO)
@@ -124,6 +125,8 @@ def set_env():
 
     check_python_versions()
 
+    monkey_patch_collections()
+
     sys.path = [os.path.realpath(os.path.dirname(kolibri_dist.__file__))] + sys.path
 
     # Add path for c extensions to sys.path