diff options
Diffstat (limited to 'Lib/_pyio.py')
| -rw-r--r-- | Lib/_pyio.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Lib/_pyio.py b/Lib/_pyio.py index 0d98b74476..d0947f06d5 100644 --- a/Lib/_pyio.py +++ b/Lib/_pyio.py @@ -6,7 +6,6 @@ import os import abc import codecs import errno -import array import stat import sys # Import _thread instead of threading to reduce startup cost @@ -161,6 +160,8 @@ def open(file, mode="r", buffering=-1, encoding=None, errors=None, opened in a text mode, and for bytes a BytesIO can be used like a file opened in a binary mode. """ + if not isinstance(file, int): + file = os.fspath(file) if not isinstance(file, (str, bytes, int)): raise TypeError("invalid file: %r" % file) if not isinstance(mode, str): @@ -182,8 +183,8 @@ def open(file, mode="r", buffering=-1, encoding=None, errors=None, text = "t" in modes binary = "b" in modes if "U" in modes: - if creating or writing or appending: - raise ValueError("can't use U and writing mode at once") + if creating or writing or appending or updating: + raise ValueError("mode U cannot be combined with 'x', 'w', 'a', or '+'") import warnings warnings.warn("'U' mode is deprecated", DeprecationWarning, 2) @@ -1516,7 +1517,7 @@ class FileIO(RawIOBase): if self._fd >= 0 and self._closefd and not self.closed: import warnings warnings.warn('unclosed file %r' % (self,), ResourceWarning, - stacklevel=2) + stacklevel=2, source=self) self.close() def __getstate__(self): |