diff options
Diffstat (limited to 'Lib/_pyio.py')
| -rw-r--r-- | Lib/_pyio.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/_pyio.py b/Lib/_pyio.py index 0b6493b..c355164 100644 --- a/Lib/_pyio.py +++ b/Lib/_pyio.py @@ -36,6 +36,8 @@ BlockingIOError = BlockingIOError # Does io.IOBase finalizer log the exception if the close() method fails? # The exception is ignored silently by default in release build. _IOBASE_EMITS_UNRAISABLE = (hasattr(sys, "gettotalrefcount") or sys.flags.dev_mode) +# Does open() check its 'errors' argument? +_CHECK_ERRORS = _IOBASE_EMITS_UNRAISABLE def open(file, mode="r", buffering=-1, encoding=None, errors=None, @@ -2022,6 +2024,8 @@ class TextIOWrapper(TextIOBase): else: if not isinstance(errors, str): raise ValueError("invalid errors: %r" % errors) + if _CHECK_ERRORS: + codecs.lookup_error(errors) self._buffer = buffer self._decoded_chars = '' # buffer for text returned from decoder |