Resolve deprecation warnings related to datetime.utcnow in python 3.12

Author: brouberol

jose/jwt.py

@@ -5,7 +5,7 @@
     from collections.abc import Mapping
 except ImportError:
     from collections import Mapping
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, UTC
 
 from jose import jws
 
@@ -281,7 +281,7 @@ def _validate_nbf(claims, leeway=0):
     except ValueError:
         raise JWTClaimsError("Not Before claim (nbf) must be an integer.")
 
-    now = timegm(datetime.utcnow().utctimetuple())
+    now = timegm(datetime.now(UTC).utctimetuple())
 
     if nbf > (now + leeway):
         raise JWTClaimsError("The token is not yet valid (nbf)")
@@ -311,7 +311,7 @@ def _validate_exp(claims, leeway=0):
     except ValueError:
         raise JWTClaimsError("Expiration Time claim (exp) must be an integer.")
 
-    now = timegm(datetime.utcnow().utctimetuple())
+    now = timegm(datetime.now(UTC).utctimetuple())
 
     if exp < (now - leeway):
         raise ExpiredSignatureError("Signature has expired.")

tests/test_jwt.py

@@ -1,6 +1,6 @@
 import base64
 import json
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, UTC
 
 import pytest
 
@@ -180,7 +180,7 @@ def test_leeway_is_int(self):
         pass
 
     def test_leeway_is_timedelta(self, claims, key):
-        nbf = datetime.utcnow() + timedelta(seconds=5)
+        nbf = datetime.now(UTC) + timedelta(seconds=5)
         leeway = timedelta(seconds=10)
 
         claims = {
@@ -209,15 +209,15 @@ def test_nbf_not_int(self, key):
             jwt.decode(token, key)
 
     def test_nbf_datetime(self, key):
-        nbf = datetime.utcnow() - timedelta(seconds=5)
+        nbf = datetime.now(UTC) - timedelta(seconds=5)
 
         claims = {"nbf": nbf}
 
         token = jwt.encode(claims, key)
         jwt.decode(token, key)
 
     def test_nbf_with_leeway(self, key):
-        nbf = datetime.utcnow() + timedelta(seconds=5)
+        nbf = datetime.now(UTC) + timedelta(seconds=5)
 
         claims = {
             "nbf": nbf,
@@ -229,7 +229,7 @@ def test_nbf_with_leeway(self, key):
         jwt.decode(token, key, options=options)
 
     def test_nbf_in_future(self, key):
-        nbf = datetime.utcnow() + timedelta(seconds=5)
+        nbf = datetime.now(UTC) + timedelta(seconds=5)
 
         claims = {"nbf": nbf}
 
@@ -239,7 +239,7 @@ def test_nbf_in_future(self, key):
             jwt.decode(token, key)
 
     def test_nbf_skip(self, key):
-        nbf = datetime.utcnow() + timedelta(seconds=5)
+        nbf = datetime.now(UTC) + timedelta(seconds=5)
 
         claims = {"nbf": nbf}
 
@@ -261,15 +261,15 @@ def test_exp_not_int(self, key):
             jwt.decode(token, key)
 
     def test_exp_datetime(self, key):
-        exp = datetime.utcnow() + timedelta(seconds=5)
+        exp = datetime.now(UTC) + timedelta(seconds=5)
 
         claims = {"exp": exp}
 
         token = jwt.encode(claims, key)
         jwt.decode(token, key)
 
     def test_exp_with_leeway(self, key):
-        exp = datetime.utcnow() - timedelta(seconds=5)
+        exp = datetime.now(UTC) - timedelta(seconds=5)
 
         claims = {
             "exp": exp,
@@ -281,7 +281,7 @@ def test_exp_with_leeway(self, key):
         jwt.decode(token, key, options=options)
 
     def test_exp_in_past(self, key):
-        exp = datetime.utcnow() - timedelta(seconds=5)
+        exp = datetime.now(UTC) - timedelta(seconds=5)
 
         claims = {"exp": exp}
 
@@ -291,7 +291,7 @@ def test_exp_in_past(self, key):
             jwt.decode(token, key)
 
     def test_exp_skip(self, key):
-        exp = datetime.utcnow() - timedelta(seconds=5)
+        exp = datetime.now(UTC) - timedelta(seconds=5)
 
         claims = {"exp": exp}
 
@@ -504,8 +504,8 @@ def test_unverified_claims_object(self, claims, key):
         [
             ("aud", "aud"),
             ("ait", "ait"),
-            ("exp", datetime.utcnow() + timedelta(seconds=3600)),
-            ("nbf", datetime.utcnow() - timedelta(seconds=5)),
+            ("exp", datetime.now(UTC) + timedelta(seconds=3600)),
+            ("nbf", datetime.now(UTC) - timedelta(seconds=5)),
             ("iss", "iss"),
             ("sub", "sub"),
             ("jti", "jti"),