Revert "bpo-40066: [Enum] update str() and format() output (GH-30582)"

This reverts commit acf7403.

Author: vstinner

Doc/howto/enum.rst

@@ -2070,7 +2070,7 @@ to speed up repeated connections from the same clients.
       :attr:`SSLContext.verify_flags` returns :class:`VerifyFlags` flags:
 
          >>> ssl.create_default_context().verify_flags  # doctest: +SKIP
-         <VerifyFlags.VERIFY_X509_TRUSTED_FIRST: 32768>
+         ssl.VERIFY_X509_TRUSTED_FIRST
 
 .. attribute:: SSLContext.verify_mode
 
@@ -2082,7 +2082,7 @@ to speed up repeated connections from the same clients.
       :attr:`SSLContext.verify_mode` returns :class:`VerifyMode` enum:
 
          >>> ssl.create_default_context().verify_mode
-         <VerifyMode.CERT_REQUIRED: 2>
+         ssl.CERT_REQUIRED
 
 .. index:: single: certificates
 

Doc/library/enum.rst

@@ -2567,28 +2567,30 @@ class _empty:
 
 
 class _ParameterKind(enum.IntEnum):
-    POSITIONAL_ONLY = 'positional-only'
-    POSITIONAL_OR_KEYWORD = 'positional or keyword'
-    VAR_POSITIONAL = 'variadic positional'
-    KEYWORD_ONLY = 'keyword-only'
-    VAR_KEYWORD = 'variadic keyword'
-
-    def __new__(cls, description):
-        value = len(cls.__members__)
-        member = int.__new__(cls, value)
-        member._value_ = value
-        member.description = description
-        return member
+    POSITIONAL_ONLY = 0
+    POSITIONAL_OR_KEYWORD = 1
+    VAR_POSITIONAL = 2
+    KEYWORD_ONLY = 3
+    VAR_KEYWORD = 4
 
-    def __str__(self):
-        return self.name
+    @property
+    def description(self):
+        return _PARAM_NAME_MAPPING[self]
 
 _POSITIONAL_ONLY         = _ParameterKind.POSITIONAL_ONLY
 _POSITIONAL_OR_KEYWORD   = _ParameterKind.POSITIONAL_OR_KEYWORD
 _VAR_POSITIONAL          = _ParameterKind.VAR_POSITIONAL
 _KEYWORD_ONLY            = _ParameterKind.KEYWORD_ONLY
 _VAR_KEYWORD             = _ParameterKind.VAR_KEYWORD
 
+_PARAM_NAME_MAPPING = {
+    _POSITIONAL_ONLY: 'positional-only',
+    _POSITIONAL_OR_KEYWORD: 'positional or keyword',
+    _VAR_POSITIONAL: 'variadic positional',
+    _KEYWORD_ONLY: 'keyword-only',
+    _VAR_KEYWORD: 'variadic keyword'
+}
+
 
 class Parameter:
     """Represents a parameter in a function signature.

Doc/library/ssl.rst

@@ -61,8 +61,7 @@
 from xml.parsers.expat import ParserCreate
 
 
-PlistFormat = enum.Enum('PlistFormat', 'FMT_XML FMT_BINARY', module=__name__)
-globals().update(PlistFormat.__members__)
+PlistFormat = enum.global_enum(enum.Enum('PlistFormat', 'FMT_XML FMT_BINARY', module=__name__))
 
 
 class UID:

Lib/enum.py

@@ -155,8 +155,6 @@ class RegexFlag:
     # sre extensions (experimental, don't rely on these)
     TEMPLATE = T = sre_compile.SRE_FLAG_TEMPLATE # disable backtracking
     DEBUG = sre_compile.SRE_FLAG_DEBUG # dump pattern after compilation
-    __str__ = object.__str__
-    _numeric_repr_ = hex
 
 # sre exception
 error = sre_compile.error

Lib/inspect.py

@@ -119,6 +119,7 @@
 )
 from _ssl import _DEFAULT_CIPHERS, _OPENSSL_API_VERSION
 
+
 _IntEnum._convert_(
     '_SSLMethod', __name__,
     lambda name: name.startswith('PROTOCOL_') and name != 'PROTOCOL_SSLv23',