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Merged revisions 68582,68718,68720-68721,68724-68727,68859,68973,69288-69289,69293,69295,69297-69301,69409,69414,69570,69573,69576,69728-69730,69769,69776,69803-69805,69840,69896 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r68582 | georg.brandl | 2009-01-13 23:14:01 +0100 (Di, 13 Jan 2009) | 2 lines Use assertRaises. ........ r68718 | georg.brandl | 2009-01-18 11:42:35 +0100 (So, 18 Jan 2009) | 1 line #4976: union() and intersection() take multiple args, but talk about "the other". ........ r68720 | georg.brandl | 2009-01-18 11:45:22 +0100 (So, 18 Jan 2009) | 1 line #4974: fix redundant mention of lists and tuples. ........ r68721 | georg.brandl | 2009-01-18 11:48:16 +0100 (So, 18 Jan 2009) | 1 line #4914: trunc is in math. ........ r68724 | georg.brandl | 2009-01-18 14:24:10 +0100 (So, 18 Jan 2009) | 1 line #4979: correct result range for some random functions. ........ r68725 | georg.brandl | 2009-01-18 14:47:26 +0100 (So, 18 Jan 2009) | 1 line #4857: fix augmented assignment target spec. ........ r68726 | georg.brandl | 2009-01-18 15:41:52 +0100 (So, 18 Jan 2009) | 1 line #4923: clarify what was added. ........ r68727 | georg.brandl | 2009-01-18 19:25:30 +0100 (So, 18 Jan 2009) | 1 line #4986: augassigns are not expressions. ........ r68859 | georg.brandl | 2009-01-22 19:29:28 +0100 (Do, 22 Jan 2009) | 2 lines Clarify wording. ........ r68973 | georg.brandl | 2009-01-26 22:29:38 +0100 (Mo, 26 Jan 2009) | 2 lines Copy over docs on advanced role features from Sphinx docs. ........ r69288 | georg.brandl | 2009-02-05 11:30:57 +0100 (Do, 05 Feb 2009) | 1 line #5153: fix typo in example. ........ r69289 | georg.brandl | 2009-02-05 11:37:07 +0100 (Do, 05 Feb 2009) | 1 line #5144: document that PySys_SetArgv prepends the script directory (or the empty string) to sys.path. ........ r69293 | georg.brandl | 2009-02-05 11:59:28 +0100 (Do, 05 Feb 2009) | 1 line #5059: fix example. ........ r69295 | georg.brandl | 2009-02-05 12:23:47 +0100 (Do, 05 Feb 2009) | 1 line PyErr_PrintEx is also in 2.x... ........ r69297 | georg.brandl | 2009-02-05 12:32:18 +0100 (Do, 05 Feb 2009) | 1 line #5015: document PythonHome API functions. ........ r69298 | georg.brandl | 2009-02-05 12:33:21 +0100 (Do, 05 Feb 2009) | 1 line #4827: fix callback example. ........ r69299 | georg.brandl | 2009-02-05 12:35:28 +0100 (Do, 05 Feb 2009) | 1 line #4820: use correct module for ctypes.util. ........ r69300 | georg.brandl | 2009-02-05 12:38:23 +0100 (Do, 05 Feb 2009) | 1 line #4563: disable alpha and roman lists, fixes wrong formatting of contributor list. ........ r69301 | georg.brandl | 2009-02-05 12:40:35 +0100 (Do, 05 Feb 2009) | 1 line #5031: fix Thread.daemon property docs. ........ r69409 | georg.brandl | 2009-02-07 13:21:17 +0100 (Sa, 07 Feb 2009) | 1 line #5174: fix wrong file closing in example. ........ r69414 | georg.brandl | 2009-02-07 19:49:54 +0100 (Sa, 07 Feb 2009) | 1 line make "super only for new-style classes" a note. ........ r69570 | georg.brandl | 2009-02-13 11:40:14 +0100 (Fr, 13 Feb 2009) | 1 line #4894: document "newurl" parameter to redirect_request(). ........ r69573 | georg.brandl | 2009-02-13 11:44:17 +0100 (Fr, 13 Feb 2009) | 1 line #3734: document complex coercing behavior better. ........ r69576 | georg.brandl | 2009-02-13 11:56:50 +0100 (Fr, 13 Feb 2009) | 1 line #1661108: note that urlsafe encoded string can contain "=". ........ r69728 | georg.brandl | 2009-02-18 01:22:55 +0100 (Mi, 18 Feb 2009) | 2 lines #5297: fix example. ........ r69729 | georg.brandl | 2009-02-18 01:25:13 +0100 (Mi, 18 Feb 2009) | 2 lines #5296: sequence -> iterable. ........ r69730 | georg.brandl | 2009-02-18 01:31:36 +0100 (Mi, 18 Feb 2009) | 2 lines #5268: mention VMSError. ........ r69769 | georg.brandl | 2009-02-19 09:30:06 +0100 (Do, 19 Feb 2009) | 1 line #5310, #3558: fix operator precedence table. ........ r69776 | georg.brandl | 2009-02-19 17:34:51 +0100 (Do, 19 Feb 2009) | 2 lines #5317: update IronPython URL. ........ r69803 | georg.brandl | 2009-02-20 08:48:21 +0100 (Fr, 20 Feb 2009) | 1 line #5327: fix a broken link by joining it. ........ r69804 | georg.brandl | 2009-02-20 09:22:21 +0100 (Fr, 20 Feb 2009) | 1 line At least separate imports from other statements. ........ r69805 | georg.brandl | 2009-02-20 09:45:47 +0100 (Fr, 20 Feb 2009) | 2 lines Fix punctuation. ........ r69840 | georg.brandl | 2009-02-21 20:09:40 +0100 (Sa, 21 Feb 2009) | 1 line #5338, #5339: two types in the API manual. ........ r69896 | georg.brandl | 2009-02-23 11:24:23 +0100 (Mo, 23 Feb 2009) | 1 line #5348: format() converts all kinds of values. ........
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@ -41,12 +41,21 @@ is a separate error indicator for each thread.
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Either alphabetical or some kind of structure.
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.. cfunction:: void PyErr_Print()
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.. cfunction:: void PyErr_PrintEx(int set_sys_last_vars)
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Print a standard traceback to ``sys.stderr`` and clear the error indicator.
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Call this function only when the error indicator is set. (Otherwise it will
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cause a fatal error!)
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If *set_sys_last_vars* is nonzero, the variables :data:`sys.last_type`,
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:data:`sys.last_value` and :data:`sys.last_traceback` will be set to the
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type, value and traceback of the printed exception, respectively.
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.. cfunction:: void PyErr_Print()
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Alias for ``PyErr_PrintEx(1)``.
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.. cfunction:: PyObject* PyErr_Occurred()
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@ -353,18 +353,36 @@ Initialization, Finalization, and Threads
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single: Py_FatalError()
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single: argv (in module sys)
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Set ``sys.argv`` based on *argc* and *argv*. These parameters are similar to
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those passed to the program's :cfunc:`main` function with the difference that
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the first entry should refer to the script file to be executed rather than the
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executable hosting the Python interpreter. If there isn't a script that will be
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run, the first entry in *argv* can be an empty string. If this function fails
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to initialize ``sys.argv``, a fatal condition is signalled using
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:cfunc:`Py_FatalError`.
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Set :data:`sys.argv` based on *argc* and *argv*. These parameters are
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similar to those passed to the program's :cfunc:`main` function with the
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difference that the first entry should refer to the script file to be
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executed rather than the executable hosting the Python interpreter. If there
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isn't a script that will be run, the first entry in *argv* can be an empty
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string. If this function fails to initialize :data:`sys.argv`, a fatal
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condition is signalled using :cfunc:`Py_FatalError`.
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This function also prepends the executed script's path to :data:`sys.path`.
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If no script is executed (in the case of calling ``python -c`` or just the
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interactive interpreter), the empty string is used instead.
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.. XXX impl. doesn't seem consistent in allowing 0/NULL for the params;
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check w/ Guido.
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.. cfunction:: void Py_SetPythonHome(char *home)
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Set the default "home" directory, that is, the location of the standard
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Python libraries. The libraries are searched in
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:file:`{home}/lib/python{version}` and :file:`{home}/lib/python{version}`.
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.. cfunction:: char* Py_GetPythonHome()
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Return the default "home", that is, the value set by a previous call to
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:cfunc:`Py_SetPythonHome`, or the value of the :envvar:`PYTHONHOME`
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environment variable if it is set.
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.. _threads:
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Thread State and the Global Interpreter Lock
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@ -187,7 +187,7 @@ caller is said to receive a *new* reference. When no ownership is transferred,
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the caller is said to *borrow* the reference. Nothing needs to be done for a
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borrowed reference.
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Conversely, when a calling function passes it a reference to an object, there
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Conversely, when a calling function passes in a reference to an object, there
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are two possibilities: the function *steals* a reference to the object, or it
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does not. *Stealing a reference* means that when you pass a reference to a
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function, that function assumes that it now owns that reference, and you are not
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@ -16,7 +16,7 @@ parameter. The available start symbols are :const:`Py_eval_input`,
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:const:`Py_file_input`, and :const:`Py_single_input`. These are described
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following the functions which accept them as parameters.
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Note also that several of these functions take :ctype:`FILE\*` parameters. On
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Note also that several of these functions take :ctype:`FILE\*` parameters. One
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particular issue which needs to be handled carefully is that the :ctype:`FILE`
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structure for different C libraries can be different and incompatible. Under
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Windows (at least), it is possible for dynamically linked extensions to actually
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@ -285,14 +285,27 @@ Inline markup
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As said before, Sphinx uses interpreted text roles to insert semantic markup in
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documents.
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Variable names are an exception, they should be marked simply with ``*var*``.
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Names of local variables, such as function/method arguments, are an exception,
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they should be marked simply with ``*var*``.
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For all other roles, you have to write ``:rolename:`content```.
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.. note::
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There are some additional facilities that make cross-referencing roles more
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versatile:
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For all cross-referencing roles, if you prefix the content with ``!``, no
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reference/hyperlink will be created.
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* You may supply an explicit title and reference target, like in reST direct
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hyperlinks: ``:role:`title <target>``` will refer to *target*, but the link
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text will be *title*.
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* If you prefix the content with ``!``, no reference/hyperlink will be created.
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* For the Python object roles, if you prefix the content with ``~``, the link
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text will only be the last component of the target. For example,
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``:meth:`~Queue.Queue.get``` will refer to ``Queue.Queue.get`` but only
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display ``get`` as the link text.
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In HTML output, the link's ``title`` attribute (that is e.g. shown as a
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tool-tip on mouse-hover) will always be the full target name.
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The following roles refer to objects in modules and are possibly hyperlinked if
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a matching identifier is found:
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@ -310,7 +323,7 @@ a matching identifier is found:
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.. describe:: data
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The name of a module-level variable.
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The name of a module-level variable or constant.
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.. describe:: const
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@ -99,7 +99,8 @@ simple CGI program::
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# -*- coding: UTF-8 -*-
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# enable debugging
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import cgitb; cgitb.enable()
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import cgitb
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cgitb.enable()
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print "Content-Type: text/plain;charset=utf-8"
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print
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@ -63,7 +63,8 @@ The modern interface, which was introduced in Python 2.4, provides:
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.. function:: urlsafe_b64encode(s)
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Encode string *s* using a URL-safe alphabet, which substitutes ``-`` instead of
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``+`` and ``_`` instead of ``/`` in the standard Base64 alphabet.
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``+`` and ``_`` instead of ``/`` in the standard Base64 alphabet. The result
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can still contain ``=``.
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.. function:: urlsafe_b64decode(s)
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@ -67,16 +67,18 @@ Begin by writing ``import cgi``. Do not use ``from cgi import *`` --- the
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module defines all sorts of names for its own use or for backward compatibility
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that you don't want in your namespace.
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When you write a new script, consider adding the line::
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When you write a new script, consider adding these lines::
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import cgitb; cgitb.enable()
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import cgitb
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cgitb.enable()
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This activates a special exception handler that will display detailed reports in
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the Web browser if any errors occur. If you'd rather not show the guts of your
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program to users of your script, you can have the reports saved to files
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instead, with a line like this::
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instead, with code like this::
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import cgitb; cgitb.enable(display=0, logdir="/tmp")
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import cgitb
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cgitb.enable(display=0, logdir="/tmp")
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It's very helpful to use this feature during script development. The reports
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produced by :mod:`cgitb` provide information that can save you a lot of time in
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@ -470,9 +472,10 @@ discarded altogether.
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Fortunately, once you have managed to get your script to execute *some* code,
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you can easily send tracebacks to the Web browser using the :mod:`cgitb` module.
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If you haven't done so already, just add the line::
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If you haven't done so already, just add the lines::
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import cgitb; cgitb.enable()
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import cgitb
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cgitb.enable()
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to the top of your script. Then try running it again; when a problem occurs,
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you should see a detailed report that will likely make apparent the cause of the
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@ -26,9 +26,10 @@ as well as the values of the arguments and local variables to currently running
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functions, to help you debug the problem. Optionally, you can save this
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information to a file instead of sending it to the browser.
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To enable this feature, simply add one line to the top of your CGI script::
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To enable this feature, simply add this to the top of your CGI script::
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import cgitb; cgitb.enable()
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import cgitb
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cgitb.enable()
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The options to the :func:`enable` function control whether the report is
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displayed in the browser and whether the report is logged to a file for later
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@ -769,7 +769,7 @@ returned::
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import urllib2
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from cookielib import CookieJar, DefaultCookiePolicy
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policy = DefaultCookiePolicy(
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rfc2965=True, strict_ns_domain=Policy.DomainStrict,
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rfc2965=True, strict_ns_domain=DefaultCookiePolicy.DomainStrict,
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blocked_domains=["ads.net", ".ads.net"])
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cj = CookieJar(policy)
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opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
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@ -1274,6 +1274,7 @@ library to load.
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.. data:: find_library(name)
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:module: ctypes.util
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:noindex:
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Try to find a library and return a pathname. *name* is the library name without
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@ -1497,11 +1497,10 @@ For :class:`date` objects, the format codes for hours, minutes, seconds, and
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microseconds should not be used, as :class:`date` objects have no such
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values. If they're used anyway, ``0`` is substituted for them.
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:class:`time` and :class:`datetime` objects support a ``%f`` format code
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which expands to the number of microseconds in the object, zero-padded on
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the left to six places.
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.. versionadded:: 2.6
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:class:`time` and :class:`datetime` objects support a ``%f`` format code
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which expands to the number of microseconds in the object, zero-padded on
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the left to six places.
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For a naive object, the ``%z`` and ``%Z`` format codes are replaced by empty
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strings.
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@ -1621,7 +1620,9 @@ Notes:
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(1)
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When used with the :func:`strptime` function, the ``%f`` directive
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accepts from one to six digits and zero pads on the right. ``%f`` is
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an extension to the set of format characters in the C standard.
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an extension to the set of format characters in the C standard (but
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implemented separately in datetime objects, and therefore always
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available).
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(2)
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When used with the :func:`strptime` function, the ``%p`` directive only affects
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@ -398,6 +398,11 @@ The following exceptions are the exceptions that are actually raised.
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more precise exception such as :exc:`IndexError`.
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.. exception:: VMSError
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Only available on VMS. Raised when a VMS-specific error occurs.
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.. exception:: WindowsError
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Raised when a Windows-specific error occurs or when the error number does not
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@ -425,6 +425,26 @@ available. They are listed here in alphabetical order.
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The float type is described in :ref:`typesnumeric`.
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.. function:: format(value[, format_spec])
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.. index::
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pair: str; format
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single: __format__
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Convert a *value* to a "formatted" representation, as controlled by
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*format_spec*. The interpretation of *format_spec* will depend on the type
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of the *value* argument, however there is a standard formatting syntax that
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is used by most built-in types: :ref:`formatspec`.
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.. note::
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``format(value, format_spec)`` merely calls
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``value.__format__(format_spec)``.
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.. versionadded:: 2.6
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.. function:: frozenset([iterable])
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:noindex:
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@ -1178,8 +1198,10 @@ available. They are listed here in alphabetical order.
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If the second argument is omitted the super
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object returned is unbound. If the second argument is an object,
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``isinstance(obj, type)`` must be true. If the second argument is a type,
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``issubclass(type2, type)`` must be true. :func:`super` only works for
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:term:`new-style class`\es.
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``issubclass(type2, type)`` must be true.
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.. note::
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:func:`super` only works for :term:`new-style class`\es.
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There are two typical use cases for "super". In a class hierarchy with
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single inheritance, "super" can be used to refer to parent classes without
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|
@ -1511,7 +1511,7 @@ Here's an example of a callback option that takes no arguments, and simply
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records that the option was seen::
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def record_foo_seen(option, opt_str, value, parser):
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parser.saw_foo = True
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parser.values.saw_foo = True
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parser.add_option("--foo", action="callback", callback=record_foo_seen)
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@ -1651,7 +1651,7 @@ arguments::
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value.append(arg)
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del parser.rargs[:len(value)]
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setattr(parser.values, option.dest, value))
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setattr(parser.values, option.dest, value)
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[...]
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parser.add_option("-c", "--callback", dest="vararg_attr",
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|
@ -188,13 +188,13 @@ be found in any statistics text.
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.. function:: uniform(a, b)
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Return a random floating point number *N* such that ``a <= N < b`` for
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``a <= b`` and ``b <= N < a`` for ``b < a``.
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Return a random floating point number *N* such that ``a <= N <= b`` for
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``a <= b`` and ``b <= N <= a`` for ``b < a``.
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.. function:: triangular(low, high, mode)
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Return a random floating point number *N* such that ``low <= N < high`` and
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Return a random floating point number *N* such that ``low <= N <= high`` and
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with the specified *mode* between those bounds. The *low* and *high* bounds
|
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default to zero and one. The *mode* argument defaults to the midpoint
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between the bounds, giving a symmetric distribution.
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@ -204,8 +204,8 @@ be found in any statistics text.
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.. function:: betavariate(alpha, beta)
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Beta distribution. Conditions on the parameters are ``alpha > 0`` and ``beta >
|
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0``. Returned values range between 0 and 1.
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Beta distribution. Conditions on the parameters are ``alpha > 0`` and
|
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``beta > 0``. Returned values range between 0 and 1.
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.. function:: expovariate(lambd)
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@ -219,14 +219,15 @@ be found in any statistics text.
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.. function:: gammavariate(alpha, beta)
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Gamma distribution. (*Not* the gamma function!) Conditions on the parameters
|
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are ``alpha > 0`` and ``beta > 0``.
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Gamma distribution. (*Not* the gamma function!) Conditions on the
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parameters are ``alpha > 0`` and ``beta > 0``.
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.. function:: gauss(mu, sigma)
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|
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Gaussian distribution. *mu* is the mean, and *sigma* is the standard deviation.
|
||||
This is slightly faster than the :func:`normalvariate` function defined below.
|
||||
Gaussian distribution. *mu* is the mean, and *sigma* is the standard
|
||||
deviation. This is slightly faster than the :func:`normalvariate` function
|
||||
defined below.
|
||||
|
||||
|
||||
.. function:: lognormvariate(mu, sigma)
|
||||
|
@ -517,7 +517,7 @@ An example for the :class:`ThreadingMixIn` class::
|
||||
# Exit the server thread when the main thread terminates
|
||||
server_thread.setDaemon(True)
|
||||
server_thread.start()
|
||||
print "Server loop running in thread:", t.getName()
|
||||
print "Server loop running in thread:", server_thread.getName()
|
||||
|
||||
client(ip, port, "Hello World 1")
|
||||
client(ip, port, "Hello World 2")
|
||||
|
@ -375,7 +375,7 @@ All :class:`numbers.Real` types (:class:`int`, :class:`long`, and
|
||||
+--------------------+------------------------------------+--------+
|
||||
| Operation | Result | Notes |
|
||||
+====================+====================================+========+
|
||||
| ``trunc(x)`` | *x* truncated to Integral | |
|
||||
| ``math.trunc(x)`` | *x* truncated to Integral | |
|
||||
+--------------------+------------------------------------+--------+
|
||||
| ``round(x[, n])`` | *x* rounded to n digits, | |
|
||||
| | rounding half to even. If n is | |
|
||||
@ -601,9 +601,9 @@ Sequence Types --- :class:`str`, :class:`unicode`, :class:`list`, :class:`tuple`
|
||||
|
||||
There are six sequence types: strings, Unicode strings, lists, tuples, buffers,
|
||||
and xrange objects.
|
||||
(For other containers see the built in :class:`dict`, :class:`list`,
|
||||
:class:`set`, and :class:`tuple` classes, and the :mod:`collections`
|
||||
module.)
|
||||
|
||||
For other containers see the built in :class:`dict` and :class:`set` classes,
|
||||
and the :mod:`collections` module.
|
||||
|
||||
|
||||
.. index::
|
||||
@ -1648,7 +1648,7 @@ The constructors for both classes work the same:
|
||||
.. method:: union(other, ...)
|
||||
set | other | ...
|
||||
|
||||
Return a new set with elements from both sets.
|
||||
Return a new set with elements from the set and all others.
|
||||
|
||||
.. versionchanged:: 2.6
|
||||
Accepts multiple input iterables.
|
||||
@ -1656,7 +1656,7 @@ The constructors for both classes work the same:
|
||||
.. method:: intersection(other, ...)
|
||||
set & other & ...
|
||||
|
||||
Return a new set with elements common to both sets.
|
||||
Return a new set with elements common to the set and all others.
|
||||
|
||||
.. versionchanged:: 2.6
|
||||
Accepts multiple input iterables.
|
||||
|
@ -210,7 +210,7 @@ changed through the :attr:`name` attribute.
|
||||
A thread can be flagged as a "daemon thread". The significance of this flag is
|
||||
that the entire Python program exits when only daemon threads are left. The
|
||||
initial value is inherited from the creating thread. The flag can be set
|
||||
through the :attr:`daemon` attribute.
|
||||
through the :attr:`daemon` property.
|
||||
|
||||
There is a "main thread" object; this corresponds to the initial thread of
|
||||
control in the Python program. It is not a daemon thread.
|
||||
@ -332,10 +332,11 @@ impossible to detect the termination of alien threads.
|
||||
|
||||
.. attribute:: Thread.daemon
|
||||
|
||||
The thread's daemon flag. This must be set before :meth:`start` is called,
|
||||
otherwise :exc:`RuntimeError` is raised.
|
||||
|
||||
The initial value is inherited from the creating thread.
|
||||
A boolean value indicating whether this thread is a daemon thread (True) or
|
||||
not (False). This must be set before :meth:`start` is called, otherwise
|
||||
:exc:`RuntimeError` is raised. Its initial value is inherited from the
|
||||
creating thread; the main thread is not a daemon thread and therefore all
|
||||
threads created in the main thread default to :attr:`daemon` = ``False``.
|
||||
|
||||
The entire Python program exits when no alive non-daemon threads are left.
|
||||
|
||||
|
@ -602,14 +602,15 @@ HTTPRedirectHandler Objects
|
||||
precise meanings of the various redirection codes.
|
||||
|
||||
|
||||
.. method:: HTTPRedirectHandler.redirect_request(req, fp, code, msg, hdrs)
|
||||
.. method:: HTTPRedirectHandler.redirect_request(req, fp, code, msg, hdrs, newurl)
|
||||
|
||||
Return a :class:`Request` or ``None`` in response to a redirect. This is called
|
||||
by the default implementations of the :meth:`http_error_30\*` methods when a
|
||||
redirection is received from the server. If a redirection should take place,
|
||||
return a new :class:`Request` to allow :meth:`http_error_30\*` to perform the
|
||||
redirect. Otherwise, raise :exc:`HTTPError` if no other handler should try to
|
||||
handle this URL, or return ``None`` if you can't but another handler might.
|
||||
redirect to *newurl*. Otherwise, raise :exc:`HTTPError` if no other handler
|
||||
should try to handle this URL, or return ``None`` if you can't but another
|
||||
handler might.
|
||||
|
||||
.. note::
|
||||
|
||||
@ -622,8 +623,8 @@ HTTPRedirectHandler Objects
|
||||
|
||||
.. method:: HTTPRedirectHandler.http_error_301(req, fp, code, msg, hdrs)
|
||||
|
||||
Redirect to the ``Location:`` URL. This method is called by the parent
|
||||
:class:`OpenerDirector` when getting an HTTP 'moved permanently' response.
|
||||
Redirect to the ``Location:`` or ``URI:`` URL. This method is called by the
|
||||
parent :class:`OpenerDirector` when getting an HTTP 'moved permanently' response.
|
||||
|
||||
|
||||
.. method:: HTTPRedirectHandler.http_error_302(req, fp, code, msg, hdrs)
|
||||
|
@ -529,5 +529,5 @@ This is an example of counting the maximum depth of an XML file::
|
||||
.. [#] The encoding string included in XML output should conform to the
|
||||
appropriate standards. For example, "UTF-8" is valid, but "UTF8" is
|
||||
not. See http://www.w3.org/TR/2006/REC-xml11-20060816/#NT-EncodingDecl
|
||||
and http://www.iana.org/assignments/character-sets .
|
||||
and http://www.iana.org/assignments/character-sets.
|
||||
|
||||
|
@ -318,9 +318,8 @@ XMLRPC::
|
||||
import xmlrpclib
|
||||
|
||||
def python_logo():
|
||||
handle = open("python_logo.jpg")
|
||||
return xmlrpclib.Binary(handle.read())
|
||||
handle.close()
|
||||
with open("python_logo.jpg") as handle:
|
||||
return xmlrpclib.Binary(handle.read())
|
||||
|
||||
server = SimpleXMLRPCServer(("localhost", 8000))
|
||||
print "Listening on port 8000..."
|
||||
@ -333,9 +332,8 @@ The client gets the image and saves it to a file::
|
||||
import xmlrpclib
|
||||
|
||||
proxy = xmlrpclib.ServerProxy("http://localhost:8000/")
|
||||
handle = open("fetched_python_logo.jpg", "w")
|
||||
handle.write(proxy.python_logo().data)
|
||||
handle.close()
|
||||
with open("fetched_python_logo.jpg", "w") as handle:
|
||||
handle.write(proxy.python_logo().data)
|
||||
|
||||
.. _fault-objects:
|
||||
|
||||
|
@ -2078,13 +2078,13 @@ left undefined.
|
||||
object.__ixor__(self, other)
|
||||
object.__ior__(self, other)
|
||||
|
||||
These methods are called to implement the augmented arithmetic operations
|
||||
These methods are called to implement the augmented arithmetic assignments
|
||||
(``+=``, ``-=``, ``*=``, ``/=``, ``//=``, ``%=``, ``**=``, ``<<=``, ``>>=``,
|
||||
``&=``, ``^=``, ``|=``). These methods should attempt to do the operation
|
||||
in-place (modifying *self*) and return the result (which could be, but does
|
||||
not have to be, *self*). If a specific method is not defined, the augmented
|
||||
operation falls back to the normal methods. For instance, to evaluate the
|
||||
expression ``x += y``, where *x* is an instance of a class that has an
|
||||
assignment falls back to the normal methods. For instance, to execute the
|
||||
statement ``x += y``, where *x* is an instance of a class that has an
|
||||
:meth:`__iadd__` method, ``x.__iadd__(y)`` is called. If *x* is an instance
|
||||
of a class that does not define a :meth:`__iadd__` method, ``x.__add__(y)``
|
||||
and ``y.__radd__(x)`` are considered, as with the evaluation of ``x + y``.
|
||||
@ -2244,7 +2244,8 @@ will not be supported.
|
||||
|
||||
In the current implementation, the built-in numeric types :class:`int`,
|
||||
:class:`long` and :class:`float` do not use coercion; the type :class:`complex`
|
||||
however does use it. The difference can become apparent when subclassing these
|
||||
however does use coercion for binary operators and rich comparisons, despite
|
||||
the above rules. The difference can become apparent when subclassing these
|
||||
types. Over time, the type :class:`complex` may be fixed to avoid coercion.
|
||||
All these types implement a :meth:`__coerce__` method, for use by the built-in
|
||||
:func:`coerce` function.
|
||||
|
@ -816,14 +816,14 @@ Raising a negative number to a fractional power results in a :exc:`ValueError`.
|
||||
|
||||
.. _unary:
|
||||
|
||||
Unary arithmetic operations
|
||||
===========================
|
||||
Unary arithmetic and bitwise operations
|
||||
=======================================
|
||||
|
||||
.. index::
|
||||
triple: unary; arithmetic; operation
|
||||
triple: unary; bitwise; operation
|
||||
|
||||
All unary arithmetic (and bitwise) operations have the same priority:
|
||||
All unary arithmetic and bitwise operations have the same priority:
|
||||
|
||||
.. productionlist::
|
||||
u_expr: `power` | "-" `u_expr` | "+" `u_expr` | "~" `u_expr`
|
||||
@ -1276,12 +1276,9 @@ groups from right to left).
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| :keyword:`not` *x* | Boolean NOT |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| :keyword:`in`, :keyword:`not` :keyword:`in` | Membership tests |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| :keyword:`is`, :keyword:`is not` | Identity tests |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``<``, ``<=``, ``>``, ``>=``, ``<>``, ``!=``, | Comparisons |
|
||||
| ``==`` | |
|
||||
| :keyword:`in`, :keyword:`not` :keyword:`in`, | Comparisons, including membership |
|
||||
| :keyword:`is`, :keyword:`is not`, ``<``, | tests and identity tests, |
|
||||
| ``<=``, ``>``, ``>=``, ``<>``, ``!=``, ``==`` | |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``|`` | Bitwise OR |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
@ -1293,29 +1290,19 @@ groups from right to left).
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``+``, ``-`` | Addition and subtraction |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``*``, ``/``, ``%`` | Multiplication, division, remainder |
|
||||
| ``*``, ``/``, ``//``, ``%`` | Multiplication, division, remainder |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``+x``, ``-x`` | Positive, negative |
|
||||
| ``+x``, ``-x``, ``~x`` | Positive, negative, bitwise NOT |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``~x`` | Bitwise not |
|
||||
| ``**`` | Exponentiation [#]_ |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``**`` | Exponentiation |
|
||||
| ``x[index]``, ``x[index:index]``, | Subscription, slicing, |
|
||||
| ``x(arguments...)``, ``x.attribute`` | call, attribute reference |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``x[index]`` | Subscription |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``x[index:index]`` | Slicing |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``x(arguments...)`` | Call |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``x.attribute`` | Attribute reference |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``(expressions...)`` | Binding or tuple display |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``[expressions...]`` | List display |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ``{key:datum...}`` | Dictionary display |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
| ```expressions...``` | String conversion |
|
||||
| ``(expressions...)``, | Binding or tuple display, |
|
||||
| ``[expressions...]``, | list display, |
|
||||
| ``{key:datum...}``, | dictionary display, |
|
||||
| ```expressions...``` | string conversion |
|
||||
+-----------------------------------------------+-------------------------------------+
|
||||
|
||||
.. rubric:: Footnotes
|
||||
@ -1358,3 +1345,6 @@ groups from right to left).
|
||||
descriptors, you may notice seemingly unusual behaviour in certain uses of
|
||||
the :keyword:`is` operator, like those involving comparisons between instance
|
||||
methods, or constants. Check their documentation for more info.
|
||||
|
||||
.. [#] The power operator ``**`` binds less tightly than an arithmetic or
|
||||
bitwise unary operator on its right, that is, ``2**-1`` is ``0.5``.
|
||||
|
@ -65,8 +65,7 @@ IronPython
|
||||
An alternate Python for .NET. Unlike Python.NET, this is a complete Python
|
||||
implementation that generates IL, and compiles Python code directly to .NET
|
||||
assemblies. It was created by Jim Hugunin, the original creator of Jython. For
|
||||
more information, see `the IronPython website
|
||||
<http://workspaces.gotdotnet.com/ironpython>`_.
|
||||
more information, see `the IronPython website <http://www.ironpython.com/>`_.
|
||||
|
||||
PyPy
|
||||
An implementation of Python written in Python; even the bytecode interpreter is
|
||||
|
@ -118,8 +118,8 @@ Assignment of an object to a target list is recursively defined as follows.
|
||||
|
||||
* If the target list is a single target: The object is assigned to that target.
|
||||
|
||||
* If the target list is a comma-separated list of targets: The object must be a
|
||||
sequence with the same number of items as there are targets in the target list,
|
||||
* If the target list is a comma-separated list of targets: The object must be an
|
||||
iterable with the same number of items as there are targets in the target list,
|
||||
and the items are assigned, from left to right, to the corresponding targets.
|
||||
(This rule is relaxed as of Python 1.5; in earlier versions, the object had to
|
||||
be a tuple. Since strings are sequences, an assignment like ``a, b = "xy"`` is
|
||||
@ -143,9 +143,9 @@ Assignment of an object to a single target is recursively defined as follows.
|
||||
be deallocated and its destructor (if it has one) to be called.
|
||||
|
||||
* If the target is a target list enclosed in parentheses or in square brackets:
|
||||
The object must be a sequence with the same number of items as there are targets
|
||||
in the target list, and its items are assigned, from left to right, to the
|
||||
corresponding targets.
|
||||
The object must be an iterable with the same number of items as there are
|
||||
targets in the target list, and its items are assigned, from left to right,
|
||||
to the corresponding targets.
|
||||
|
||||
.. index:: pair: attribute; assignment
|
||||
|
||||
@ -228,7 +228,8 @@ Augmented assignment is the combination, in a single statement, of a binary
|
||||
operation and an assignment statement:
|
||||
|
||||
.. productionlist::
|
||||
augmented_assignment_stmt: `target` `augop` (`expression_list` | `yield_expression`)
|
||||
augmented_assignment_stmt: `augtarget` `augop` (`expression_list` | `yield_expression`)
|
||||
augtarget: `identifier` | `attributeref` | `subscription` | `slicing`
|
||||
augop: "+=" | "-=" | "*=" | "/=" | "//=" | "%=" | "**="
|
||||
: | ">>=" | "<<=" | "&=" | "^=" | "|="
|
||||
|
||||
|
@ -6,6 +6,9 @@
|
||||
#
|
||||
# 01/2009, Georg Brandl
|
||||
|
||||
# TODO: - wrong versions in versionadded/changed
|
||||
# - wrong markup after versionchanged directive
|
||||
|
||||
from __future__ import with_statement
|
||||
|
||||
import os
|
||||
|
@ -13,6 +13,14 @@ ISSUE_URI = 'http://bugs.python.org/issue%s'
|
||||
|
||||
from docutils import nodes, utils
|
||||
|
||||
# monkey-patch reST parser to disable alphabetic and roman enumerated lists
|
||||
from docutils.parsers.rst.states import Body
|
||||
Body.enum.converters['loweralpha'] = \
|
||||
Body.enum.converters['upperalpha'] = \
|
||||
Body.enum.converters['lowerroman'] = \
|
||||
Body.enum.converters['upperroman'] = lambda x: None
|
||||
|
||||
|
||||
def issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
|
||||
issue = utils.unescape(text)
|
||||
text = 'issue ' + issue
|
||||
|
@ -1761,8 +1761,8 @@ ElementTree 1.2.6. The :mod:`cElementTree` accelerator module is also
|
||||
included.
|
||||
|
||||
The rest of this section will provide a brief overview of using ElementTree.
|
||||
Full documentation for ElementTree is available at http://effbot.org/zone
|
||||
/element-index.htm.
|
||||
Full documentation for ElementTree is available at
|
||||
http://effbot.org/zone/element-index.htm.
|
||||
|
||||
ElementTree represents an XML document as a tree of element nodes. The text
|
||||
content of the document is stored as the :attr:`.text` and :attr:`.tail`
|
||||
|
@ -271,7 +271,6 @@ class ASTHelpers_Test(unittest.TestCase):
|
||||
self.assertEqual(ast.literal_eval('(True, False, None)'), (True, False, None))
|
||||
self.assertRaises(ValueError, ast.literal_eval, 'foo()')
|
||||
|
||||
|
||||
def test_main():
|
||||
test_support.run_unittest(AST_Tests, ASTHelpers_Test)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user