diff options
Diffstat (limited to 'Lib/io.py')
| -rw-r--r-- | Lib/io.py | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -49,7 +49,8 @@ class BlockingIOError(IOError): self.characters_written = characters_written -def open(file, mode="r", buffering=None, encoding=None, newline=None): +def open(file, mode="r", buffering=None, encoding=None, newline=None, + closefd=True): r"""Replacement for the built-in open function. Args: @@ -81,9 +82,12 @@ def open(file, mode="r", buffering=None, encoding=None, newline=None): other legal values, any `'\n'` characters written are translated to the given string. + closefd: optional argument to keep the underlying file descriptor + open when the file is closed. It must not be false when + a filename is given. + (*) If a file descriptor is given, it is closed when the returned - I/O object is closed. If you don't want this to happen, use - os.dup() to create a duplicate file descriptor. + I/O object is closed, unless closefd=False is give. Mode strings characters: 'r': open for reading (default) @@ -138,7 +142,8 @@ def open(file, mode="r", buffering=None, encoding=None, newline=None): (reading and "r" or "") + (writing and "w" or "") + (appending and "a" or "") + - (updating and "+" or "")) + (updating and "+" or ""), + closefd) if buffering is None: buffering = -1 if buffering < 0 and raw.isatty(): |