# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1650493489 -7200
# Node ID f69353f269374688bd5a694ba7922122cc41acc2
# Parent  b46673c428949fe06d073963426c48f78fd4468e
Support for using the pyblake2 package if native support for BLAKE2 is not available in hashlib.

This is to support BLAKE2 on Python2 and pre-Python 3.6.

diff -r b46673c42894 -r f69353f26937 cutils/shasum.py
--- a/cutils/shasum.py	Thu Apr 21 00:09:17 2022 +0200
+++ b/cutils/shasum.py	Thu Apr 21 00:24:49 2022 +0200
@@ -382,19 +382,37 @@
 
 def get_blake2b():
     """Get the factory for blake2b"""
-    return hashlib.blake2b
+    try:
+        return hashlib.blake2b
+    except AttributeError:
+        import pyblake2
+        return pyblake2.blake2b
 
 
 def get_blake2s():
     """Get the factory for blake2s"""
-    return hashlib.blake2s
+    try:
+        return hashlib.blake2s
+    except AttributeError:
+        import pyblake2
+        return pyblake2.blake2s
 
 
 def get_blake2_256():
     """Get the factory for blake2-256"""
 
-    def _get_blake():
-        return hashlib.blake2b(digest_size=32)
+    try:
+        hashlib.blake2b
+    except AttributeError:
+        import pyblake2
+
+        def _get_blake():
+            return pyblake2.blake2b(digest_size=32)
+
+    else:
+
+        def _get_blake():
+            return hashlib.blake2b(digest_size=32)
 
     return _get_blake