Add support for Python 3.10

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

etc/scripts/README.rst

@@ -1,10 +1,6 @@
-This directory contains the tools to:
-
-- manage a directory of thirdparty Python package source, wheels and metadata:
-  pin, build, update, document and publish to a PyPI-like repo (GitHub release)
-
-- build and publish scancode releases as wheel, sources and OS-specific bundles.
-
+This directory contains the tools to manage a directory of thirdparty Python
+package source, wheels and metadata pin, build, update, document and publish to
+a PyPI-like repo (GitHub release).
 
 NOTE: These are tested to run ONLY on Linux.
 
@@ -38,7 +34,7 @@ Scripts
 ~~~~~~~
 
 **gen_requirements.py**: create/update requirements files from currently
-  installed requirements.
+  installed requirements. 
 
 **gen_requirements_dev.py** does the same but can subtract the main requirements
   to get extra requirements used in only development.

etc/scripts/utils_thirdparty.py

@@ -87,13 +87,14 @@
 TRACE = False
 
 # Supported environments
-PYTHON_VERSIONS = '36', '37', '38', '39',
+PYTHON_VERSIONS = '36', '37', '38', '39', '310'
 
 ABIS_BY_PYTHON_VERSION = {
     '36':['cp36', 'cp36m'],
     '37':['cp37', 'cp37m'],
     '38':['cp38', 'cp38m'],
     '39':['cp39', 'cp39m'],
+    '310':['cp310', 'cp310m'],
 }
 
 PLATFORMS_BY_OS = {
@@ -102,6 +103,7 @@
         'manylinux1_x86_64',
         'manylinux2014_x86_64',
         'manylinux2010_x86_64',
+        'manylinux_2_12_x86_64',
     ],
     'macos': [
         'macosx_10_6_intel', 'macosx_10_6_x86_64',
@@ -112,6 +114,9 @@
         'macosx_10_13_intel', 'macosx_10_13_x86_64',
         'macosx_10_14_intel', 'macosx_10_14_x86_64',
         'macosx_10_15_intel', 'macosx_10_15_x86_64',
+        'macosx_10_15_x86_64',
+        'macosx_11_0_x86_64',
+        # 'macosx_11_0_arm64',
     ],
     'windows': [
         'win_amd64',