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#4441: improve doc for os.open() flags.

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Georg Brandl 2008-12-05 08:02:17 +00:00
parent 5b5f273640
commit 0c880bd4fb
1 changed files with 10 additions and 12 deletions
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22
Doc/library/os.rst
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@ -681,10 +681,11 @@ by file descriptors.
:func:`fdopen`, or :data:`sys.stdout` or :data:`sys.stderr`, use its :meth:`write` :func:`fdopen`, or :data:`sys.stdout` or :data:`sys.stderr`, use its :meth:`write`
method. method.
The following data items are available for use in constructing the *flags* The following constants are options for the *flags* parameter to the
parameter to the :func:`open` function. Some items will not be available on all :func:`open` function. They can be combined using the bitwise OR operator
platforms. For descriptions of their availability and use, consult ``|``. Some of them are not available on all platforms. For descriptions of
:manpage:`open(2)`. their availability and use, consult the :manpage:`open(2)` manual page or the
respective documentation for your operating system.
.. data:: O_RDONLY .. data:: O_RDONLY
@ -695,8 +696,7 @@ platforms. For descriptions of their availability and use, consult
O_EXCL O_EXCL
O_TRUNC O_TRUNC
Options for the *flag* argument to the :func:`open` function. These can be These constants are available on Unix and Windows.
combined using the bitwise OR operator ``|``. Availability: Unix, Windows.
.. data:: O_DSYNC .. data:: O_DSYNC
@ -708,8 +708,7 @@ platforms. For descriptions of their availability and use, consult
O_SHLOCK O_SHLOCK
O_EXLOCK O_EXLOCK
More options for the *flag* argument to the :func:`open` function. Availability: These constants are only available on Unix.
Unix.
.. data:: O_BINARY .. data:: O_BINARY
@ -720,8 +719,7 @@ platforms. For descriptions of their availability and use, consult
O_SEQUENTIAL O_SEQUENTIAL
O_TEXT O_TEXT
Options for the *flag* argument to the :func:`open` function. These can be These constants are only available on Windows.
combined using the bitwise OR operator ``|``. Availability: Windows.
.. data:: O_ASYNC .. data:: O_ASYNC
@ -730,8 +728,8 @@ platforms. For descriptions of their availability and use, consult
O_NOFOLLOW O_NOFOLLOW
O_NOATIME O_NOATIME
Options for the *flag* argument to the :func:`open` function. These are These constants are GNU extensions and not present if they are not defined by
GNU extensions and not present if they are not defined by the C library. the C library.
.. data:: SEEK_SET .. data:: SEEK_SET