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| author | Ethan Smith <ethan@ethanhs.me> | 2020-04-14 23:14:15 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-14 23:14:15 (GMT) |
| commit | d01628e411752ee6849f862cae66a1c69fe512b7 (patch) | |
| tree | 4b6fc066cc0dc4c1aa2352896d81c0573e5a9138 /Lib/mailbox.py | |
| parent | 33986465bde2a2188537c4ef6cdb6055e348f31f (diff) | |
| download | cpython-d01628e411752ee6849f862cae66a1c69fe512b7.zip cpython-d01628e411752ee6849f862cae66a1c69fe512b7.tar.gz cpython-d01628e411752ee6849f862cae66a1c69fe512b7.tar.bz2 | |
bpo-39481: PEP 585 for dataclasses, mailbox, contextvars (GH-19425)
Diffstat (limited to 'Lib/mailbox.py')
| -rw-r--r-- | Lib/mailbox.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/mailbox.py b/Lib/mailbox.py index 5b4e864..70da07e 100644 --- a/Lib/mailbox.py +++ b/Lib/mailbox.py @@ -18,6 +18,7 @@ import email.message import email.generator import io import contextlib +from types import GenericAlias try: import fcntl except ImportError: @@ -260,6 +261,8 @@ class Mailbox: else: raise TypeError('Invalid message type: %s' % type(message)) + __class_getitem__ = classmethod(GenericAlias) + class Maildir(Mailbox): """A qmail-style Maildir mailbox.""" @@ -2015,6 +2018,8 @@ class _ProxyFile: return False return self._file.closed + __class_getitem__ = classmethod(GenericAlias) + class _PartialFile(_ProxyFile): """A read-only wrapper of part of a file.""" |