diff options
Diffstat (limited to 'Lib/_pyio.py')
| -rw-r--r-- | Lib/_pyio.py | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/Lib/_pyio.py b/Lib/_pyio.py index a9ff985..ffbfda1 100644 --- a/Lib/_pyio.py +++ b/Lib/_pyio.py @@ -325,6 +325,7 @@ class IOBase(metaclass=abc.ABCMeta): This is not implemented for read-only and non-blocking streams. """ + self._checkClosed() # XXX Should this return the number of bytes written??? __closed = False @@ -335,10 +336,7 @@ class IOBase(metaclass=abc.ABCMeta): This method has no effect if the file is already closed. """ if not self.__closed: - try: - self.flush() - except IOError: - pass # If flush() fails, just give up + self.flush() self.__closed = True def __del__(self) -> None: @@ -705,14 +703,13 @@ class _BufferedIOMixin(BufferedIOBase): ### Flush and close ### def flush(self): + if self.closed: + raise ValueError("flush of closed file") self.raw.flush() def close(self): - if not self.closed and self.raw is not None: - try: - self.flush() - except IOError: - pass # If flush() fails, just give up + if self.raw is not None and not self.closed: + self.flush() self.raw.close() def detach(self): @@ -1514,11 +1511,8 @@ class TextIOWrapper(TextIOBase): self._telling = self._seekable def close(self): - if self.buffer is not None: - try: - self.flush() - except IOError: - pass # If flush() fails, just give up + if self.buffer is not None and not self.closed: + self.flush() self.buffer.close() @property |