diff options
Diffstat (limited to 'Lib/_pyio.py')
| -rw-r--r-- | Lib/_pyio.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/Lib/_pyio.py b/Lib/_pyio.py index 37157d5..a467ddd 100644 --- a/Lib/_pyio.py +++ b/Lib/_pyio.py @@ -390,7 +390,7 @@ class IOBase(metaclass=abc.ABCMeta): def seekable(self): """Return a bool indicating whether object supports random access. - If False, seek(), tell() and truncate() will raise UnsupportedOperation. + If False, seek(), tell() and truncate() will raise OSError. This method may need to do a test seek(). """ return False @@ -405,7 +405,7 @@ class IOBase(metaclass=abc.ABCMeta): def readable(self): """Return a bool indicating whether object was opened for reading. - If False, read() will raise UnsupportedOperation. + If False, read() will raise OSError. """ return False @@ -419,7 +419,7 @@ class IOBase(metaclass=abc.ABCMeta): def writable(self): """Return a bool indicating whether object was opened for writing. - If False, write() and truncate() will raise UnsupportedOperation. + If False, write() and truncate() will raise OSError. """ return False @@ -787,12 +787,6 @@ class _BufferedIOMixin(BufferedIOBase): def seekable(self): return self.raw.seekable() - def readable(self): - return self.raw.readable() - - def writable(self): - return self.raw.writable() - @property def raw(self): return self._raw @@ -982,6 +976,9 @@ class BufferedReader(_BufferedIOMixin): self._reset_read_buf() self._read_lock = Lock() + def readable(self): + return self.raw.readable() + def _reset_read_buf(self): self._read_buf = b"" self._read_pos = 0 @@ -1170,6 +1167,9 @@ class BufferedWriter(_BufferedIOMixin): self._write_buf = bytearray() self._write_lock = Lock() + def writable(self): + return self.raw.writable() + def write(self, b): if self.closed: raise ValueError("write to closed file") |