<http://docutils.sf.net/rst.html>`_ sources by *Sphinx*, a document processor
specifically written for the Python documentation.
-In the online version of these documents, you can submit comments and suggest
-changes directly on the documentation pages.
+.. In the online version of these documents, you can submit comments and suggest
+ changes directly on the documentation pages.
Development of the documentation and its toolchain takes place on the
docs@python.org mailing list. We're always looking for volunteers wanting
<http://effbot.org/zone/pyref.htm>`_ project from which Sphinx got many good
ideas.
-See :ref:`reporting-bugs` for information how to report bugs in Python itself.
+See :ref:`reporting-bugs` for information how to report bugs in this
+documentation, or Python itself.
.. including the ACKS file here so that it can be maintained separately
.. include:: ACKS.txt
information is needed (in which case you are welcome to provide it if you can!).
To do this, search the bug database using the search box on the top of the page.
+In the case of documentation bugs, look at the most recent development docs at
+http://docs.python.org/dev to see if the bug has been fixed.
+
If the problem you're reporting is not already in the bug tracker, go back to
the Python Bug Tracker. If you don't already have a tracker account, select the
"Register" link in the sidebar and undergo the registration procedure.
row = cur.fetchone()
assert row[0] == AUSTRIA
-# but we can make pysqlite always return bytestrings ...
+# but we can make sqlite3 always return bytestrings ...
con.text_factory = str
cur.execute("select ?", (AUSTRIA,))
row = cur.fetchone()
# here we implement one that will ignore Unicode characters that cannot be
# decoded from UTF-8
con.text_factory = lambda x: str(x, "utf-8", "ignore")
-cur.execute("select ?", ("this is latin1 and would normally create errors" + "\xe4\xf6\xfc".encode("latin1"),))
+cur.execute("select ?", ("this is latin1 and would normally create errors" +
+ "\xe4\xf6\xfc".encode("latin1"),))
row = cur.fetchone()
assert type(row[0]) == str
-# pysqlite offers a builtin optimized text_factory that will return bytestring
+# sqlite3 offers a builtin optimized text_factory that will return bytestring
# objects, if the data is in ASCII only, and otherwise return unicode objects
con.text_factory = sqlite3.OptimizedUnicode
cur.execute("select ?", (AUSTRIA,))
>>> printf("Hello, %s\n", "World!")
Hello, World!
14
- >>> printf("Hello, %S", u"World!")
+ >>> printf("Hello, %S\n", u"World!")
Hello, World!
- 13
+ 14
>>> printf("%d bottles of beer\n", 42)
42 bottles of beer
19
that they can be converted to the required C data type::
>>> printf("An int %d, a double %f\n", 1234, c_double(3.14))
- Integer 1234, double 3.1400001049
+ An int 1234, a double 3.140000
31
>>>
Traceback (most recent call last):
File "<stdin>", line 1, in ?
ArgumentError: argument 2: exceptions.TypeError: wrong type
- >>> printf("%s %d %f", "X", 2, 3)
- X 2 3.00000012
- 12
+ >>> printf("%s %d %f\n", "X", 2, 3)
+ X 2 3.000000
+ 13
>>>
If you have defined your own classes which you pass to function calls, you have
tells :mod:`optparse` where to write it: :attr:`dest` names an attribute of the
``options`` object that :mod:`optparse` builds as it parses the command line.
-* ``default`` (deprecated)
+* ``default``
The value to use for this option's destination if the option is not seen on the
- command line. Deprecated; use ``parser.set_defaults()`` instead.
+ command line. See also ``parser.set_defaults()``.
* ``nargs`` (default: 1)
application using SQLite and then port the code to a larger database such as
PostgreSQL or Oracle.
-pysqlite was written by Gerhard Häring and provides a SQL interface compliant
+sqlite3 was written by Gerhard Häring and provides a SQL interface compliant
with the DB-API 2.0 specification described by :pep:`249`.
To use the module, you must first create a :class:`Connection` object that
Instead, use the DB-API's parameter substitution. Put ``?`` as a placeholder
wherever you want to use a value, and then provide a tuple of values as the
-second argument to the cursor's :meth:`~Cursor.execute` method. (Other database modules
-may use a different placeholder, such as ``%s`` or ``:1``.) For example::
+second argument to the cursor's :meth:`~Cursor.execute` method. (Other database
+modules may use a different placeholder, such as ``%s`` or ``:1``.) For
+example::
# Never do this -- insecure!
symbol = 'IBM'
.. seealso::
http://www.pysqlite.org
- The pysqlite web page.
+ The pysqlite web page -- sqlite3 is developed externally under the name
+ "pysqlite".
http://www.sqlite.org
- The SQLite web page; the documentation describes the syntax and the available
- data types for the supported SQL dialect.
+ The SQLite web page; the documentation describes the syntax and the
+ available data types for the supported SQL dialect.
:pep:`249` - Database API Specification 2.0
PEP written by Marc-André Lemburg.
...``, ``VACUUM``, ``PRAGMA``, the :mod:`sqlite3` module will commit implicitly
before executing that command. There are two reasons for doing that. The first
is that some of these commands don't work within transactions. The other reason
-is that pysqlite needs to keep track of the transaction state (if a transaction
+is that sqlite3 needs to keep track of the transaction state (if a transaction
is active or not).
-You can control which kind of ``BEGIN`` statements pysqlite implicitly executes
+You can control which kind of ``BEGIN`` statements sqlite3 implicitly executes
(or none at all) via the *isolation_level* parameter to the :func:`connect`
call, or via the :attr:`isolation_level` property of connections.
-Using pysqlite efficiently
---------------------------
+Using :mod:`sqlite3` efficiently
+--------------------------------
Using shortcut methods
of browsers to try in order. When the value of a list part contains the string
``%s``, then it is interpreted as a literal browser command line to be used
with the argument URL substituted for ``%s``; if the part does not contain
-``%s``, it is simply interpreted as the name of the browser to launch.
+``%s``, it is simply interpreted as the name of the browser to launch. [1]_
For non-Unix platforms, or when a remote browser is available on Unix, the
controlling process will not wait for the user to finish with the browser, but
Open *url* in a new page ("tab") of the browser handled by this controller, if
possible, otherwise equivalent to :func:`open_new`.
+
+
+.. rubric:: Footnotes
+
+.. [1] Executables named here without a full path will be searched in the
+ directories given in the :envvar:`PATH` environment variable.
The :func:`parse` function can take either a filename or an open file object.
-.. function:: parse(filename_or_file, parser)
+.. function:: parse(filename_or_file[, parser[, bufsize]])
Return a :class:`Document` from the given input. *filename_or_file* may be
either a file name, or a file-like object. *parser*, if given, must be a SAX2
reverse iteration. It should return a new iterator object that iterates
over all the objects in the container in reverse order.
- If the :meth:`__reversed__` method is not provided, the
- :func:`reversed` builtin will fall back to using the sequence protocol
- (:meth:`__len__` and :meth:`__getitem__`). Objects should normally
- only provide :meth:`__reversed__` if they do not support the sequence
- protocol and an efficient implementation of reverse iteration is possible.
+ If the :meth:`__reversed__` method is not provided, the :func:`reversed`
+ builtin will fall back to using the sequence protocol (:meth:`__len__` and
+ :meth:`__getitem__`). Objects that support the sequence protocol should
+ only provide :meth:`__reversed__` if they can provide an implementation
+ that is more efficient than the one provided by :func:`reversed`.
The membership test operators (:keyword:`in` and :keyword:`not in`) are normally
projects / python / commitdiff