Upgrade idna to 3.7

Author: pradyunsg

news/idna.vendor.rst

@@ -1 +1 @@
-Upgrade idna to 3.6
+Upgrade idna to 3.7

src/pip/_vendor/idna/LICENSE.md

@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2013-2023, Kim Davies and contributors.
+Copyright (c) 2013-2024, Kim Davies and contributors.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

src/pip/_vendor/idna/core.py

@@ -150,9 +150,11 @@ def valid_contextj(label: str, pos: int) -> bool:
             joining_type = idnadata.joining_types.get(ord(label[i]))
             if joining_type == ord('T'):
                 continue
-            if joining_type in [ord('L'), ord('D')]:
+            elif joining_type in [ord('L'), ord('D')]:
                 ok = True
                 break
+            else:
+                break
 
         if not ok:
             return False
@@ -162,9 +164,11 @@ def valid_contextj(label: str, pos: int) -> bool:
             joining_type = idnadata.joining_types.get(ord(label[i]))
             if joining_type == ord('T'):
                 continue
-            if joining_type in [ord('R'), ord('D')]:
+            elif joining_type in [ord('R'), ord('D')]:
                 ok = True
                 break
+            else:
+                break
         return ok
 
     if cp_value == 0x200d:
@@ -236,12 +240,8 @@ def check_label(label: Union[str, bytes, bytearray]) -> None:
         if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']):
             continue
         elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']):
-            try:
-                if not valid_contextj(label, pos):
-                    raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format(
-                        _unot(cp_value), pos+1, repr(label)))
-            except ValueError:
-                raise IDNAError('Unknown codepoint adjacent to joiner {} at position {} in {}'.format(
+            if not valid_contextj(label, pos):
+                raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format(
                     _unot(cp_value), pos+1, repr(label)))
         elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']):
             if not valid_contexto(label, pos):
@@ -262,13 +262,8 @@ def alabel(label: str) -> bytes:
     except UnicodeEncodeError:
         pass
 
-    if not label:
-        raise IDNAError('No Input')
-
-    label = str(label)
     check_label(label)
-    label_bytes = _punycode(label)
-    label_bytes = _alabel_prefix + label_bytes
+    label_bytes = _alabel_prefix + _punycode(label)
 
     if not valid_label_length(label_bytes):
         raise IDNAError('Label too long')