diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/io.rst | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Doc/library/io.rst b/Doc/library/io.rst index 90573bd..e9cae7c 100644 --- a/Doc/library/io.rst +++ b/Doc/library/io.rst @@ -235,8 +235,10 @@ I/O Base Classes Flush and close this stream. This method has no effect if the file is already closed. Once the file is closed, any operation on the file - (e.g. reading or writing) will raise an :exc:`IOError`. The internal - file descriptor isn't closed if *closefd* was False. + (e.g. reading or writing) will raise an :exc:`ValueError`. + + As a convenience, it is allowed to call this method more than once; + only the first call, however, will have an effect. .. attribute:: closed @@ -308,7 +310,9 @@ I/O Base Classes .. method:: truncate(size=None) Truncate the file to at most *size* bytes. *size* defaults to the current - file position, as returned by :meth:`tell`. + file position, as returned by :meth:`tell`. Note that the current file + position isn't changed; if you want to change it to the new end of + file, you have to :meth:`seek()` explicitly. .. method:: writable() @@ -517,11 +521,6 @@ In many situations, buffered I/O streams will provide higher performance In :class:`BytesIO`, this is the same as :meth:`read`. - .. method:: truncate([size]) - - Truncate the buffer to at most *size* bytes. *size* defaults to the - current stream position, as returned by :meth:`tell`. - .. class:: BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE) |