Merged revisions 80030,80067,80069,80080-80081,80084,80432-80433,80465-80470,81059,81065-81067 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r80030 | georg.brandl | 2010-04-13 08:43:54 +0200 (Di, 13 Apr 2010) | 1 line Get rid of multi-row cells. ........ r80067 | georg.brandl | 2010-04-14 10:53:38 +0200 (Mi, 14 Apr 2010) | 1 line #5341: typo. ........ r80069 | georg.brandl | 2010-04-14 15:50:31 +0200 (Mi, 14 Apr 2010) | 1 line Add an x-ref to where the O_ constants are documented and move the SEEK_ constants after lseek(). ........ r80080 | georg.brandl | 2010-04-14 21:16:38 +0200 (Mi, 14 Apr 2010) | 1 line #8399: add note about Windows and O_BINARY. ........ r80081 | georg.brandl | 2010-04-14 23:34:44 +0200 (Mi, 14 Apr 2010) | 1 line #5250: document __instancecheck__ and __subclasscheck__. I hope the part about the class/metaclass distinction is understandable. ........ r80084 | georg.brandl | 2010-04-14 23:46:45 +0200 (Mi, 14 Apr 2010) | 1 line Fix missing. ........ r80432 | georg.brandl | 2010-04-24 10:56:58 +0200 (Sa, 24 Apr 2010) | 1 line Markup fixes. ........ r80433 | georg.brandl | 2010-04-24 11:08:10 +0200 (Sa, 24 Apr 2010) | 1 line #7507: quote "!" in pipes.quote(); it is a special character for some shells. ........ r80465 | georg.brandl | 2010-04-25 12:29:17 +0200 (So, 25 Apr 2010) | 1 line Remove LaTeXy index entry syntax. ........ r80466 | georg.brandl | 2010-04-25 12:54:42 +0200 (So, 25 Apr 2010) | 1 line Patch from Tim Hatch: Better cross-referencing in socket and winreg docs. ........ r80467 | georg.brandl | 2010-04-25 12:55:16 +0200 (So, 25 Apr 2010) | 1 line Patch from Tim Hatch: Remove reference to winreg being the fabled high-level registry interface. ........ r80468 | georg.brandl | 2010-04-25 12:55:58 +0200 (So, 25 Apr 2010) | 1 line Patch from Tim Hatch: Minor spelling changes to _winreg docs. ........ r80469 | georg.brandl | 2010-04-25 12:56:41 +0200 (So, 25 Apr 2010) | 1 line Fix code example to have valid syntax so that it can be highlighted. ........ r80470 | georg.brandl | 2010-04-25 12:57:15 +0200 (So, 25 Apr 2010) | 1 line Patch from Tim Hatch: Make socket setblocking <-> settimeout examples symmetric. ........ r81059 | georg.brandl | 2010-05-10 23:02:51 +0200 (Mo, 10 Mai 2010) | 1 line #8642: fix wrong function name. ........ r81065 | georg.brandl | 2010-05-10 23:46:50 +0200 (Mo, 10 Mai 2010) | 1 line Fix reference direction. ........ r81066 | georg.brandl | 2010-05-10 23:50:57 +0200 (Mo, 10 Mai 2010) | 1 line Consolidate deprecation messages. ........ r81067 | georg.brandl | 2010-05-10 23:51:33 +0200 (Mo, 10 Mai 2010) | 1 line Fix typo. ........
This commit is contained in:
Georg Brandl
parent
7d79b8b771
commit
8569e582f8
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@ -8,8 +8,8 @@
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.. index::
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pair: UNIX@Unix; file control
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pair: UNIX@Unix; I/O control
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pair: UNIX; file control
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pair: UNIX; I/O control
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This module performs file control and I/O control on file descriptors. It is an
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interface to the :cfunc:`fcntl` and :cfunc:`ioctl` Unix routines.
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@ -122,7 +122,7 @@ The module defines the following items:
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The set of all exceptions (as a tuple) that methods of :class:`FTP`
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instances may raise as a result of problems with the FTP connection (as
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opposed to programming errors made by the caller). This set includes the
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four exceptions listed below as well as :exc:`socket.error` and
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four exceptions listed above as well as :exc:`socket.error` and
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:exc:`IOError`.
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.. seealso::
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@ -240,7 +240,7 @@ I/O Base Classes
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Flush and close this stream. This method has no effect if the file is
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already closed. Once the file is closed, any operation on the file
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(e.g. reading or writing) will raise an :exc:`ValueError`.
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(e.g. reading or writing) will raise a :exc:`ValueError`.
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As a convenience, it is allowed to call this method more than once;
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only the first call, however, will have an effect.
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@ -209,7 +209,7 @@ Basic Usage
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specified. Encodings that are not ASCII based (such as UCS-2) are not
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allowed and should be decoded to :class:`str` first.
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The other arguments have the same meaning as in :func:`dump`.
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The other arguments have the same meaning as in :func:`load`.
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Encoders and decoders
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@ -697,6 +697,14 @@ as internal buffering of data.
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Availability: Unix, Windows.
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.. data:: SEEK_SET
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SEEK_CUR
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SEEK_END
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Parameters to the :func:`lseek` function. Their values are 0, 1, and 2,
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respectively. Availability: Windows, Unix.
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.. function:: open(file, flags[, mode])
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Open the file *file* and set various flags according to *flags* and possibly
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@ -706,7 +714,8 @@ as internal buffering of data.
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For a description of the flag and mode values, see the C run-time documentation;
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flag constants (like :const:`O_RDONLY` and :const:`O_WRONLY`) are defined in
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this module too (see below).
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this module too (see :ref:`open-constants`). In particular, on Windows adding
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:const:`O_BINARY` is needed to open files in binary mode.
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Availability: Unix, Windows.
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@ -794,6 +803,12 @@ as internal buffering of data.
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:func:`fdopen`, or :data:`sys.stdout` or :data:`sys.stderr`, use its
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:meth:`~file.write` method.
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.. _open-constants:
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``open()`` flag constants
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~~~~~~~~~~~~~~~~~~~~~~~~~
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The following constants are options for the *flags* parameter to the
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:func:`~os.open` function. They can be combined using the bitwise OR operator
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``|``. Some of them are not available on all platforms. For descriptions of
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@ -845,14 +860,6 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
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the C library.
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.. data:: SEEK_SET
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SEEK_CUR
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SEEK_END
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Parameters to the :func:`lseek` function. Their values are 0, 1, and 2,
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respectively. Availability: Windows, Unix.
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.. _os-file-dir:
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Files and Directories
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@ -89,8 +89,9 @@ All errors raise exceptions. The normal exceptions for invalid argument types
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and out-of-memory conditions can be raised; errors related to socket or address
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semantics raise the error :exc:`socket.error`.
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Non-blocking mode is supported through :meth:`setblocking`. A generalization of
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this based on timeouts is supported through :meth:`settimeout`.
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Non-blocking mode is supported through :meth:`~socket.setblocking`. A
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generalization of this based on timeouts is supported through
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:meth:`~socket.settimeout`.
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The module :mod:`socket` exports the following constants and functions:
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@ -559,7 +560,9 @@ correspond to Unix system calls applicable to sockets.
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:platform: Windows
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The :meth:`ioctl` method is a limited interface to the WSAIoctl system
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interface. Please refer to the MSDN documentation for more information.
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interface. Please refer to the `Win32 documentation
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<http://msdn.microsoft.com/en-us/library/ms741621%28VS.85%29.aspx>`_ for more
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information.
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On other platforms, the generic :func:`fcntl.fcntl` and :func:`fcntl.ioctl`
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functions may be used; they accept a socket object as their first argument.
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@ -662,7 +665,7 @@ correspond to Unix system calls applicable to sockets.
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blocking mode. In non-blocking mode, if a :meth:`recv` call doesn't find any
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data, or if a :meth:`send` call can't immediately dispose of the data, a
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:exc:`error` exception is raised; in blocking mode, the calls block until they
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can proceed. ``s.setblocking(0)`` is equivalent to ``s.settimeout(0)``;
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can proceed. ``s.setblocking(0)`` is equivalent to ``s.settimeout(0.0)``;
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``s.setblocking(1)`` is equivalent to ``s.settimeout(None)``.
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@ -691,21 +694,21 @@ the system returns an error (such as connection timed out). In
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non-blocking mode, operations fail (with an error that is unfortunately
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system-dependent) if they cannot be completed immediately. In timeout mode,
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operations fail if they cannot be completed within the timeout specified for the
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socket or if the system returns an error. The :meth:`setblocking` method is simply
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a shorthand for certain :meth:`settimeout` calls.
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socket or if the system returns an error. The :meth:`~socket.setblocking`
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method is simply a shorthand for certain :meth:`~socket.settimeout` calls.
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Timeout mode internally sets the socket in non-blocking mode. The blocking and
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timeout modes are shared between file descriptors and socket objects that refer
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to the same network endpoint. A consequence of this is that file objects
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returned by the :meth:`makefile` method must only be used when the socket is in
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blocking mode; in timeout or non-blocking mode file operations that cannot be
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completed immediately will fail.
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returned by the :meth:`~socket.makefile` method must only be used when the
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socket is in blocking mode; in timeout or non-blocking mode file operations
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that cannot be completed immediately will fail.
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Note that the :meth:`connect` operation is subject to the timeout setting, and
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in general it is recommended to call :meth:`settimeout` before calling
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:meth:`connect` or pass a timeout parameter to :meth:`create_connection`.
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The system network stack may return a connection timeout error
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of its own regardless of any Python socket timeout setting.
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Note that the :meth:`~socket.connect` operation is subject to the timeout
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setting, and in general it is recommended to call :meth:`~socket.settimeout`
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before calling :meth:`~socket.connect` or pass a timeout parameter to
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:meth:`create_connection`. The system network stack may return a connection
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timeout error of its own regardless of any Python socket timeout setting.
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.. method:: socket.setsockopt(level, optname, value)
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@ -727,8 +730,8 @@ of its own regardless of any Python socket timeout setting.
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are disallowed. If *how* is :const:`SHUT_RDWR`, further sends and receives are
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disallowed.
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Note that there are no methods :meth:`read` or :meth:`write`; use :meth:`recv`
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and :meth:`send` without *flags* argument instead.
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Note that there are no methods :meth:`read` or :meth:`write`; use
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:meth:`~socket.recv` and :meth:`~socket.send` without *flags* argument instead.
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Socket objects also have these (read-only) attributes that correspond to the
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values given to the :class:`socket` constructor.
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@ -757,11 +760,12 @@ Example
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Here are four minimal example programs using the TCP/IP protocol: a server that
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echoes all data that it receives back (servicing only one client), and a client
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using it. Note that a server must perform the sequence :func:`socket`,
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:meth:`bind`, :meth:`listen`, :meth:`accept` (possibly repeating the
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:meth:`accept` to service more than one client), while a client only needs the
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sequence :func:`socket`, :meth:`connect`. Also note that the server does not
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:meth:`send`/:meth:`recv` on the socket it is listening on but on the new
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socket returned by :meth:`accept`.
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:meth:`~socket.bind`, :meth:`~socket.listen`, :meth:`~socket.accept` (possibly
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repeating the :meth:`~socket.accept` to service more than one client), while a
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client only needs the sequence :func:`socket`, :meth:`~socket.connect`. Also
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note that the server does not :meth:`~socket.send`/:meth:`~socket.recv` on the
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socket it is listening on but on the new socket returned by
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:meth:`~socket.accept`.
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The first two examples support IPv4 only. ::
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@ -10,66 +10,63 @@ This module provides an interface to the Unix ``syslog`` library routines.
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Refer to the Unix manual pages for a detailed description of the ``syslog``
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facility.
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This module wraps the system ``syslog`` module. A pure Python
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library that can speak to a syslog server is available in
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the :mod:`logging.handlers` module as :class:`SysLogHandler`.
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This module wraps the system ``syslog`` family of routines. A pure Python
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library that can speak to a syslog server is available in the
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:mod:`logging.handlers` module as :class:`SysLogHandler`.
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The module defines the following functions:
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.. function:: syslog([priority,] message)
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Send the string *message* to the system logger. A trailing newline is
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added if necessary. Each message is tagged with a priority composed
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of a *facility* and a *level*. The optional *priority* argument, which
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defaults to :const:`LOG_INFO`, determines the message priority. If the
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facility is not encoded in *priority* using logical-or (``LOG_INFO |
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LOG_USER``), the value given in the :func:`openlog` call is used.
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Send the string *message* to the system logger. A trailing newline is added
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if necessary. Each message is tagged with a priority composed of a
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*facility* and a *level*. The optional *priority* argument, which defaults
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to :const:`LOG_INFO`, determines the message priority. If the facility is
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not encoded in *priority* using logical-or (``LOG_INFO | LOG_USER``), the
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value given in the :func:`openlog` call is used.
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If :func:`openlog` has not been called prior to the call to
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:func:'syslog', ``openlog()`` will be called with no arguments.
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If :func:`openlog` has not been called prior to the call to :func:`syslog`,
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``openlog()`` will be called with no arguments.
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.. function:: openlog([ident[, logopt[, facility]]])
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Logging options of subsequent :func:`syslog` calls can be set by
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calling :func:`openlog`. :func:`syslog` will call :func:`openlog`
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with no arguments if the log is not currently open.
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Logging options of subsequent :func:`syslog` calls can be set by calling
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:func:`openlog`. :func:`syslog` will call :func:`openlog` with no arguments
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if the log is not currently open.
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The optional *ident* keyword argument is a string which is prepended
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to every message, and defaults to ''sys.argv[0]'' with leading
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path components stripped. The optional *logopt* keyword argument
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(default=0) is a bit field - see below for possible values to combine.
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The optional *facility* keyword argument (default=:const:`LOG_USER`)
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sets the default facility for messages which do not have a facility
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explicitly encoded.
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The optional *ident* keyword argument is a string which is prepended to every
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message, and defaults to ``sys.argv[0]`` with leading path components
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stripped. The optional *logopt* keyword argument (default is 0) is a bit
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field -- see below for possible values to combine. The optional *facility*
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keyword argument (default is :const:`LOG_USER`) sets the default facility for
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messages which do not have a facility explicitly encoded.
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.. versionchanged::3.2
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In previous versions, keyword arguments were not allowed, and *ident*
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was required. The default for *ident* was dependent on the system
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libraries, and often was ''python'' instead of the name of the
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python program file.
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.. versionchanged:: 3.2
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In previous versions, keyword arguments were not allowed, and *ident* was
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required. The default for *ident* was dependent on the system libraries,
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and often was ``python`` instead of the name of the python program file.
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.. function:: closelog()
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Reset the syslog module values and call the system library
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''closelog()''.
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Reset the syslog module values and call the system library ``closelog()``.
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This causes the module to behave as it does when initially imported.
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For example, :func:'openlog' will be called on the first :func:'syslog'
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call (if :func:'openlog' hasn't already been called), and *ident*
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and other :func:'openlog' parameters are reset to defaults.
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This causes the module to behave as it does when initially imported. For
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example, :func:`openlog` will be called on the first :func:`syslog` call (if
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:func:`openlog` hasn't already been called), and *ident* and other
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:func:`openlog` parameters are reset to defaults.
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.. function:: setlogmask(maskpri)
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Set the priority mask to *maskpri* and return the previous mask value.
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Calls to :func:`syslog` with a priority level not set in *maskpri*
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are ignored. The default is to log all priorities. The function
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``LOG_MASK(pri)`` calculates the mask for the individual priority
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*pri*. The function ``LOG_UPTO(pri)`` calculates the mask for all
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priorities up to and including *pri*.
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Set the priority mask to *maskpri* and return the previous mask value. Calls
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to :func:`syslog` with a priority level not set in *maskpri* are ignored.
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The default is to log all priorities. The function ``LOG_MASK(pri)``
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calculates the mask for the individual priority *pri*. The function
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``LOG_UPTO(pri)`` calculates the mask for all priorities up to and including
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*pri*.
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The module defines the following constants:
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@ -100,11 +97,11 @@ A simple set of examples::
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syslog.syslog('Processing started')
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if error:
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syslog.syslog(syslog.LOG_ERR, 'Processing started')
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syslog.syslog(syslog.LOG_ERR, 'Processing started')
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An example of setting some log options, these would include the process ID
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in logged messages, and write the messages to the destination facility
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used for mail logging::
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An example of setting some log options, these would include the process ID in
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logged messages, and write the messages to the destination facility used for
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mail logging::
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syslog.openlog(logopt=syslog.LOG_PID, facility=syslog.LOG_MAIL)
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syslog.syslog('E-mail processing initiated...')
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@ -773,8 +773,7 @@ Test cases
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will be *msg* if given, otherwise it will be :const:`None`.
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.. deprecated:: 3.1
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:meth:`failUnless`; use one of the ``assert`` variants.
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:meth:`assert_`; use :meth:`assertTrue`.
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:meth:`failUnless` and :meth:`assert_`; use :meth:`assertTrue`.
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.. method:: assertEqual(first, second, msg=None)
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|
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@ -1587,6 +1587,46 @@ the new type and it saves the ordered dictionary keys in an attribute
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called *members*.
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Customizing instance and subclass checks
|
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----------------------------------------
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The following methods are used to override the default behavior of the
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:func:`isinstance` and :func:`issubclass` built-in functions.
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In particular, the metaclass :class:`abc.ABCMeta` implements these methods in
|
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order to allow the addition of Abstract Base Classes (ABCs) as "virtual base
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classes" to any class or type (including built-in types), and including to other
|
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ABCs.
|
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|
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.. method:: class.__instancecheck__(self, instance)
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Return true if *instance* should be considered a (direct or indirect)
|
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instance of *class*. If defined, called to implement ``isinstance(instance,
|
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class)``.
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|
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.. method:: class.__subclasscheck__(self, subclass)
|
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|
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Return true if *subclass* should be considered a (direct or indirect)
|
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subclass of *class*. If defined, called to implement ``issubclass(subclass,
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class)``.
|
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|
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|
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Note that these methods are looked up on the type (metaclass) of a class. They
|
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cannot be defined as class methods in the actual class. This is consistent with
|
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the lookup of special methods that are called on instances, only that in this
|
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case the instance is itself a class.
|
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|
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.. seealso::
|
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|
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:pep:`3119` - Introducing Abstract Base Classes
|
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Includes the specification for customizing :func:`isinstance` and
|
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:func:`issubclass` behavior through :meth:`__instancecheck__` and
|
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:meth:`__subclasscheck__`, with motivation for this functionality in the
|
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context of adding Abstract Base Classes (see the :mod:`abc` module) to the
|
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language.
|
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|
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|
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.. _callable-types:
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|
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Emulating callable objects
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|
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17
Lib/pipes.py
17
Lib/pipes.py
|
|
@ -249,11 +249,11 @@ def makepipeline(infile, steps, outfile):
|
|||
|
||||
# Reliably quote a string as a single argument for /bin/sh
|
||||
|
||||
_safechars = string.ascii_letters + string.digits + '!@%_-+=:,./' # Safe unquoted
|
||||
_funnychars = '"`$\\' # Unsafe inside "double quotes"
|
||||
# Safe unquoted
|
||||
_safechars = frozenset(string.ascii_letters + string.digits + '@%_-+=:,./')
|
||||
|
||||
def quote(file):
|
||||
''' return a shell-escaped version of the file string '''
|
||||
"""Return a shell-escaped version of the file string."""
|
||||
for c in file:
|
||||
if c not in _safechars:
|
||||
break
|
||||
|
|
@ -261,11 +261,6 @@ def quote(file):
|
|||
if not file:
|
||||
return "''"
|
||||
return file
|
||||
if '\'' not in file:
|
||||
return '\'' + file + '\''
|
||||
res = ''
|
||||
for c in file:
|
||||
if c in _funnychars:
|
||||
c = '\\' + c
|
||||
res = res + c
|
||||
return '"' + res + '"'
|
||||
# use single quotes, and put single quotes into double quotes
|
||||
# the string $'b is then quoted as '$'"'"'b'
|
||||
return "'" + file.replace("'", "'\"'\"'") + "'"
|
||||
|
|
|
|||
|
|
@ -70,9 +70,10 @@ class SimplePipeTests(unittest.TestCase):
|
|||
self.assertEqual(open(TESTFN).read(), d)
|
||||
|
||||
def testQuoting(self):
|
||||
safeunquoted = string.ascii_letters + string.digits + '!@%_-+=:,./'
|
||||
unsafe = '"`$\\'
|
||||
safeunquoted = string.ascii_letters + string.digits + '@%_-+=:,./'
|
||||
unsafe = '"`$\\!'
|
||||
|
||||
self.assertEqual(pipes.quote(''), "''")
|
||||
self.assertEqual(pipes.quote(safeunquoted), safeunquoted)
|
||||
self.assertEqual(pipes.quote('test file name'), "'test file name'")
|
||||
for u in unsafe:
|
||||
|
|
@ -80,9 +81,7 @@ class SimplePipeTests(unittest.TestCase):
|
|||
"'test%sname'" % u)
|
||||
for u in unsafe:
|
||||
self.assertEqual(pipes.quote("test%s'name'" % u),
|
||||
'"test\\%s\'name\'"' % u)
|
||||
|
||||
self.assertEqual(pipes.quote(''), "''")
|
||||
"'test%s'\"'\"'name'\"'\"''" % u)
|
||||
|
||||
def testRepr(self):
|
||||
t = pipes.Template()
|
||||
|
|
|
|||
|
|
@ -38,6 +38,8 @@ Core and Builtins
|
|||
PyUnicode_FromString() to support surrogates in the filename and use the
|
||||
right encoding
|
||||
|
||||
- Issue #7507: Quote "!" in pipes.quote(); it is special to some shells.
|
||||
|
||||
- PyUnicode_DecodeFSDefaultAndSize() uses surrogateescape error handler
|
||||
|
||||
- Issue #8419: Prevent the dict constructor from accepting non-string keyword
|
||||
|
|
|
|||
Loading…
Reference in New Issue