diff options
author | Christian Heimes <christian@cheimes.de> | 2007-12-08 17:28:33 (GMT) |
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committer | Christian Heimes <christian@cheimes.de> | 2007-12-08 17:28:33 (GMT) |
commit | 895627ff27aad563b2ae5b272998f17521b6e415 (patch) | |
tree | 3528991cd6bb763acf95258884c3159a6866121b /Doc | |
parent | 576bf65fea78ba6fe41c82f64183b6a8ecdf4643 (diff) | |
download | cpython-895627ff27aad563b2ae5b272998f17521b6e415.zip cpython-895627ff27aad563b2ae5b272998f17521b6e415.tar.gz cpython-895627ff27aad563b2ae5b272998f17521b6e415.tar.bz2 |
Merged revisions 59407-59422 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r59407 | armin.rigo | 2007-12-07 20:19:55 +0100 (Fri, 07 Dec 2007) | 2 lines
This is probably what was meant here.
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r59410 | guido.van.rossum | 2007-12-08 05:38:23 +0100 (Sat, 08 Dec 2007) | 2 lines
Be (just a bit :) more specific about release date.
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r59411 | alexandre.vassalotti | 2007-12-08 05:49:22 +0100 (Sat, 08 Dec 2007) | 3 lines
Fix issue #1530.
Return an error exit status if not all tests passes.
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r59413 | georg.brandl | 2007-12-08 11:56:39 +0100 (Sat, 08 Dec 2007) | 2 lines
Fix tpyo.
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r59414 | georg.brandl | 2007-12-08 12:05:05 +0100 (Sat, 08 Dec 2007) | 2 lines
Fix markup in whatsnew, use new directive in ACKS.
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r59415 | georg.brandl | 2007-12-08 12:05:36 +0100 (Sat, 08 Dec 2007) | 2 lines
Fix Eren's name.
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r59416 | georg.brandl | 2007-12-08 12:23:13 +0100 (Sat, 08 Dec 2007) | 2 lines
Add examples to the datetime documentation. Written for GHOP by "h4wk.cz".
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r59417 | skip.montanaro | 2007-12-08 15:37:43 +0100 (Sat, 08 Dec 2007) | 2 lines
Note that open() is the preferred way to open files (issue 1510).
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r59418 | skip.montanaro | 2007-12-08 16:23:31 +0100 (Sat, 08 Dec 2007) | 1 line
+ "context manager"
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r59419 | skip.montanaro | 2007-12-08 16:26:16 +0100 (Sat, 08 Dec 2007) | 1 line
correct email address
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r59420 | skip.montanaro | 2007-12-08 16:33:24 +0100 (Sat, 08 Dec 2007) | 3 lines
When splitting, avoid making a copy of the string if the split doesn't find
anything (issue 1538).
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Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/ACKS.txt | 399 | ||||
-rw-r--r-- | Doc/glossary.rst | 5 | ||||
-rw-r--r-- | Doc/library/atexit.rst | 4 | ||||
-rw-r--r-- | Doc/library/bsddb.rst | 2 | ||||
-rw-r--r-- | Doc/library/datetime.rst | 337 | ||||
-rw-r--r-- | Doc/library/mhlib.rst | 2 | ||||
-rw-r--r-- | Doc/library/multifile.rst | 2 | ||||
-rw-r--r-- | Doc/library/readline.rst | 2 | ||||
-rw-r--r-- | Doc/library/robotparser.rst | 2 | ||||
-rw-r--r-- | Doc/library/telnetlib.rst | 2 | ||||
-rw-r--r-- | Doc/library/urllib.rst | 2 | ||||
-rw-r--r-- | Doc/whatsnew/2.6.rst | 4 |
12 files changed, 514 insertions, 249 deletions
diff --git a/Doc/ACKS.txt b/Doc/ACKS.txt index 09ac0ab..f9049c5 100644 --- a/Doc/ACKS.txt +++ b/Doc/ACKS.txt @@ -1,206 +1,207 @@ Contributors to the Python Documentation ---------------------------------------- -This file lists people who have contributed in some way to the Python +This section lists people who have contributed in some way to the Python documentation. It is probably not complete -- if you feel that you or anyone else should be on this list, please let us know (send email to docs@python.org), and we'll be glad to correct the problem. -* Aahz -* Michael Abbott -* Steve Alexander -* Jim Ahlstrom -* Fred Allen -* A. Amoroso -* Pehr Anderson -* Oliver Andrich -* Jesús Cea Avión -* Daniel Barclay -* Chris Barker -* Don Bashford -* Anthony Baxter -* Bennett Benson -* Jonathan Black -* Robin Boerdijk -* Michal Bozon -* Aaron Brancotti -* Georg Brandl -* Keith Briggs -* Lee Busby -* Lorenzo M. Catucci -* Carl Cerecke -* Mauro Cicognini -* Gilles Civario -* Mike Clarkson -* Steve Clift -* Dave Cole -* Matthew Cowles -* Jeremy Craven -* Andrew Dalke -* Ben Darnell -* L. Peter Deutsch -* Robert Donohue -* Fred L. Drake, Jr. -* Josip Dzolonga -* Jeff Epler -* Michael Ernst -* Blame Andy Eskilsson -* Carey Evans -* Martijn Faassen -* Carl Feynman -* Dan Finnie -* Hernán Martínez Foffani -* Stefan Franke -* Jim Fulton -* Peter Funk -* Lele Gaifax -* Matthew Gallagher -* Ben Gertzfield -* Nadim Ghaznavi -* Jonathan Giddy -* Shelley Gooch -* Nathaniel Gray -* Grant Griffin -* Thomas Guettler -* Anders Hammarquist -* Mark Hammond -* Harald Hanche-Olsen -* Manus Hand -* Gerhard Häring -* Peter Harris -* Travis B. Hartwell -* Tim Hatch -* Janko Hauser -* Bernhard Herzog -* Magnus L. Hetland -* Konrad Hinsen -* Stefan Hoffmeister -* Albert Hofkamp -* Gregor Hoffleit -* Steve Holden -* Thomas Holenstein -* Gerrit Holl -* Rob Hooft -* Brian Hooper -* Randall Hopper -* Michael Hudson -* Eric Huss -* Jeremy Hylton -* Roger Irwin -* Jack Jansen -* Philip H. Jensen -* Pedro Diaz Jimenez -* Kent Johnson -* Lucas de Jonge -* Andreas Jung -* Robert Kern -* Jim Kerr -* Jan Kim -* Greg Kochanski -* Guido Kollerie -* Peter A. Koren -* Daniel Kozan -* Andrew M. Kuchling -* Dave Kuhlman -* Erno Kuusela -* Thomas Lamb -* Detlef Lannert -* Piers Lauder -* Glyph Lefkowitz -* Robert Lehmann -* Marc-André Lemburg -* Ross Light -* Ulf A. Lindgren -* Everett Lipman -* Mirko Liss -* Martin von Löwis -* Fredrik Lundh -* Jeff MacDonald -* John Machin -* Andrew MacIntyre -* Vladimir Marangozov -* Vincent Marchetti -* Laura Matson -* Daniel May -* Rebecca McCreary -* Doug Mennella -* Paolo Milani -* Skip Montanaro -* Paul Moore -* Ross Moore -* Sjoerd Mullender -* Dale Nagata -* Ng Pheng Siong -* Koray Oner -* Tomas Oppelstrup -* Denis S. Otkidach -* Zooko O'Whielacronx -* William Park -* Joonas Paalasmaa -* Harri Pasanen -* Bo Peng -* Tim Peters -* Christopher Petrilli -* Justin D. Pettit -* Chris Phoenix -* François Pinard -* Paul Prescod -* Eric S. Raymond -* Edward K. Ream -* Sean Reifschneider -* Bernhard Reiter -* Armin Rigo -* Wes Rishel -* Jim Roskind -* Guido van Rossum -* Donald Wallace Rouse II -* Nick Russo -* Chris Ryland -* Constantina S. -* Hugh Sasse -* Bob Savage -* Scott Schram -* Neil Schemenauer -* Barry Scott -* Joakim Sernbrant -* Justin Sheehy -* Charlie Shepherd -* Michael Simcich -* Ionel Simionescu -* Michael Sloan -* Gregory P. Smith -* Roy Smith -* Clay Spence -* Nicholas Spies -* Tage Stabell-Kulo -* Frank Stajano -* Anthony Starks -* Greg Stein -* Peter Stoehr -* Mark Summerfield -* Reuben Sumner -* Kalle Svensson -* Jim Tittsler -* Ville Vainio -* Martijn Vries -* Charles G. Waldman -* Greg Ward -* Barry Warsaw -* Corran Webster -* Glyn Webster -* Bob Weiner -* Eddy Welbourne -* Jeff Wheeler -* Mats Wichmann -* Gerry Wiener -* Timothy Wild -* Collin Winter -* Blake Winton -* Dan Wolfe -* Steven Work -* Thomas Wouters -* Ka-Ping Yee -* Rory Yorke -* Moshe Zadka -* Milan Zamazal -* Cheng Zhang +.. acks:: + + * Aahz + * Michael Abbott + * Steve Alexander + * Jim Ahlstrom + * Fred Allen + * A. Amoroso + * Pehr Anderson + * Oliver Andrich + * Jesús Cea Avión + * Daniel Barclay + * Chris Barker + * Don Bashford + * Anthony Baxter + * Bennett Benson + * Jonathan Black + * Robin Boerdijk + * Michal Bozon + * Aaron Brancotti + * Georg Brandl + * Keith Briggs + * Lee Busby + * Lorenzo M. Catucci + * Carl Cerecke + * Mauro Cicognini + * Gilles Civario + * Mike Clarkson + * Steve Clift + * Dave Cole + * Matthew Cowles + * Jeremy Craven + * Andrew Dalke + * Ben Darnell + * L. Peter Deutsch + * Robert Donohue + * Fred L. Drake, Jr. + * Josip Dzolonga + * Jeff Epler + * Michael Ernst + * Blame Andy Eskilsson + * Carey Evans + * Martijn Faassen + * Carl Feynman + * Dan Finnie + * Hernán Martínez Foffani + * Stefan Franke + * Jim Fulton + * Peter Funk + * Lele Gaifax + * Matthew Gallagher + * Ben Gertzfield + * Nadim Ghaznavi + * Jonathan Giddy + * Shelley Gooch + * Nathaniel Gray + * Grant Griffin + * Thomas Guettler + * Anders Hammarquist + * Mark Hammond + * Harald Hanche-Olsen + * Manus Hand + * Gerhard Häring + * Travis B. Hartwell + * Tim Hatch + * Janko Hauser + * Bernhard Herzog + * Magnus L. Hetland + * Konrad Hinsen + * Stefan Hoffmeister + * Albert Hofkamp + * Gregor Hoffleit + * Steve Holden + * Thomas Holenstein + * Gerrit Holl + * Rob Hooft + * Brian Hooper + * Randall Hopper + * Michael Hudson + * Eric Huss + * Jeremy Hylton + * Roger Irwin + * Jack Jansen + * Philip H. Jensen + * Pedro Diaz Jimenez + * Kent Johnson + * Lucas de Jonge + * Andreas Jung + * Robert Kern + * Jim Kerr + * Jan Kim + * Greg Kochanski + * Guido Kollerie + * Peter A. Koren + * Daniel Kozan + * Andrew M. Kuchling + * Dave Kuhlman + * Erno Kuusela + * Thomas Lamb + * Detlef Lannert + * Piers Lauder + * Glyph Lefkowitz + * Robert Lehmann + * Marc-André Lemburg + * Ross Light + * Ulf A. Lindgren + * Everett Lipman + * Mirko Liss + * Martin von Löwis + * Fredrik Lundh + * Jeff MacDonald + * John Machin + * Andrew MacIntyre + * Vladimir Marangozov + * Vincent Marchetti + * Laura Matson + * Daniel May + * Rebecca McCreary + * Doug Mennella + * Paolo Milani + * Skip Montanaro + * Paul Moore + * Ross Moore + * Sjoerd Mullender + * Dale Nagata + * Ng Pheng Siong + * Koray Oner + * Tomas Oppelstrup + * Denis S. Otkidach + * Zooko O'Whielacronx + * William Park + * Joonas Paalasmaa + * Harri Pasanen + * Bo Peng + * Tim Peters + * Christopher Petrilli + * Justin D. Pettit + * Chris Phoenix + * François Pinard + * Paul Prescod + * Eric S. Raymond + * Edward K. Ream + * Sean Reifschneider + * Bernhard Reiter + * Armin Rigo + * Wes Rishel + * Jim Roskind + * Guido van Rossum + * Donald Wallace Rouse II + * Nick Russo + * Chris Ryland + * Constantina S. + * Hugh Sasse + * Bob Savage + * Scott Schram + * Neil Schemenauer + * Barry Scott + * Joakim Sernbrant + * Justin Sheehy + * Charlie Shepherd + * Michael Simcich + * Ionel Simionescu + * Michael Sloan + * Gregory P. Smith + * Roy Smith + * Clay Spence + * Nicholas Spies + * Tage Stabell-Kulo + * Frank Stajano + * Anthony Starks + * Greg Stein + * Peter Stoehr + * Mark Summerfield + * Reuben Sumner + * Kalle Svensson + * Jim Tittsler + * Ville Vainio + * Martijn Vries + * Charles G. Waldman + * Greg Ward + * Barry Warsaw + * Corran Webster + * Glyn Webster + * Bob Weiner + * Eddy Welbourne + * Jeff Wheeler + * Mats Wichmann + * Gerry Wiener + * Timothy Wild + * Collin Winter + * Blake Winton + * Dan Wolfe + * Steven Work + * Thomas Wouters + * Ka-Ping Yee + * Rory Yorke + * Moshe Zadka + * Milan Zamazal + * Cheng Zhang diff --git a/Doc/glossary.rst b/Doc/glossary.rst index 3459bda..b9d8424 100644 --- a/Doc/glossary.rst +++ b/Doc/glossary.rst @@ -55,6 +55,11 @@ Glossary advanced mathematical feature. If you're not aware of a need for them, it's almost certain you can safely ignore them. + context manager + Objects which control the environment seen in a :keyword:`with` + statement by defining :meth:`__enter__` and :meth:`__exit__` methods. + See :pep:`343`. + decorator A function returning another function, usually applied as a function transformation using the ``@wrapper`` syntax. Common examples for diff --git a/Doc/library/atexit.rst b/Doc/library/atexit.rst index abef2fe..11b4120 100644 --- a/Doc/library/atexit.rst +++ b/Doc/library/atexit.rst @@ -4,8 +4,8 @@ .. module:: atexit :synopsis: Register and execute cleanup functions. -.. moduleauthor:: Skip Montanaro <skip@mojam.com> -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. moduleauthor:: Skip Montanaro <skip@pobox.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> The :mod:`atexit` module defines functions to register and unregister cleanup diff --git a/Doc/library/bsddb.rst b/Doc/library/bsddb.rst index aff1d5b..1b153c9 100644 --- a/Doc/library/bsddb.rst +++ b/Doc/library/bsddb.rst @@ -4,7 +4,7 @@ .. module:: bsddb :synopsis: Interface to Berkeley DB database library -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> The :mod:`bsddb` module provides an interface to the Berkeley DB library. Users diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst index 87a9bbd..adc1664 100644 --- a/Doc/library/datetime.rst +++ b/Doc/library/datetime.rst @@ -161,6 +161,7 @@ dates or times. Note that normalization of negative values may be surprising at first. For example, :: + >>> from datetime import timedelta >>> d = timedelta(microseconds=-1) >>> (d.days, d.seconds, d.microseconds) (-1, 86399, 999999) @@ -264,6 +265,26 @@ comparison is ``==`` or ``!=``. The latter cases return :const:`False` or efficient pickling, and in Boolean contexts, a :class:`timedelta` object is considered to be true if and only if it isn't equal to ``timedelta(0)``. +Example usage:: + + >>> from datetime import timedelta + >>> year = timedelta(days=365) + >>> another_year = timedelta(weeks=40, days=84, hours=23, + ... minutes=50, seconds=600) # adds up to 365 days + >>> year == another_year + True + >>> ten_years = 10 * year + >>> ten_years, ten_years.days // 365 + (datetime.timedelta(3650), 10) + >>> nine_years = ten_years - year + >>> nine_years, nine_years.days // 365 + (datetime.timedelta(3285), 9) + >>> three_years = nine_years // 3; + >>> three_years, three_years.days // 365 + (datetime.timedelta(1095), 3) + >>> abs(three_years - ten_years) == 2 * three_years + year + True + .. _datetime-date: @@ -485,6 +506,55 @@ Instance methods: Format codes referring to hours, minutes or seconds will see 0 values. See section :ref:`strftime-behavior`. +Example of counting days to an event:: + + >>> import time + >>> from datetime import date + >>> today = date.today() + >>> today + datetime.date(2007, 12, 5) + >>> today == date.fromtimestamp(time.time()) + True + >>> my_birthday = date(today.year, 6, 24) + >>> if my_birthday < today: + ... my_birthday = my_birthday.replace(year=today.year + 1) + >>> my_birthday + datetime.date(2008, 6, 24) + >>> time_to_birthday = abs(my_birthday - today) + >>> time_to_birthday.days + 202 + +Example of working with :class:`date`:: + + >>> from datetime import date + >>> d = date.fromordinal(730920) # 730920th day after 1. 1. 0001 + >>> d + datetime.date(2002, 3, 11) + >>> t = d.timetuple() + >>> for i in t: + ... print i + 2002 # year + 3 # month + 11 # day + 0 + 0 + 0 + 0 # weekday (0 = Monday) + 70 # 70th day in the year + -1 + >>> ic = d.isocalendar() + >>> for i in ic: + ... print i # doctest: +SKIP + 2002 # ISO year + 11 # ISO week number + 1 # ISO day number ( 1 = Monday ) + >>> d.isoformat() + '2002-03-11' + >>> d.strftime("%d/%m/%y") + '11/03/02' + >>> d.strftime("%A %d. %B %Y") + 'Monday 11. March 2002' + .. _datetime-datetime: @@ -919,6 +989,106 @@ Instance methods: Return a string representing the date and time, controlled by an explicit format string. See section :ref:`strftime-behavior`. +Examples of working with datetime objects:: + + >>> from datetime import datetime, date, time + >>> # Using datetime.combine() + >>> d = date(2005, 7, 14) + >>> t = time(12, 30) + >>> datetime.combine(d, t) + datetime.datetime(2005, 7, 14, 12, 30) + >>> # Using datetime.now() or datetime.utcnow() + >>> datetime.now() + datetime.datetime(2007, 12, 6, 16, 29, 43, 79043) # GMT +1 + >>> datetime.utcnow() + datetime.datetime(2007, 12, 6, 15, 29, 43, 79060) + >>> # Using datetime.strptime() + >>> dt = datetime.strptime("21/11/06 16:30", "%d/%m/%y %H:%M") + >>> dt + datetime.datetime(2006, 11, 21, 16, 30) + >>> # Using datetime.timetuple() to get tuple of all attributes + >>> tt = dt.timetuple() + >>> for it in tt: + ... print it + ... + 2006 # year + 11 # month + 21 # day + 16 # hour + 30 # minute + 0 # second + 1 # weekday (0 = Monday) + 325 # number of days since 1st January + -1 # dst - method tzinfo.dst() returned None + >>> # Date in ISO format + >>> ic = dt.isocalendar() + >>> for it in ic: + ... print it + ... + 2006 # ISO year + 47 # ISO week + 2 # ISO weekday + >>> # Formatting datetime + >>> dt.strftime("%A, %d. %B %Y %I:%M%p") + 'Tuesday, 21. November 2006 04:30PM' + +Using datetime with tzinfo:: + + >>> from datetime import timedelta, datetime, tzinfo + >>> class GMT1(tzinfo): + ... def __init__(self): # DST starts last Sunday in March + ... d = datetime(dt.year, 4, 1) # ends last Sunday in October + ... self.dston = d - timedelta(days=d.weekday() + 1) + ... d = datetime(dt.year, 11, 1) + ... self.dstoff = d - timedelta(days=d.weekday() + 1) + ... def utcoffset(self, dt): + ... return timedelta(hours=1) + self.dst(dt) + ... def dst(self, dt): + ... if self.dston <= dt.replace(tzinfo=None) < self.dstoff: + ... return timedelta(hours=1) + ... else: + ... return timedelta(0) + ... def tzname(self,dt): + ... return "GMT +1" + ... + >>> class GMT2(tzinfo): + ... def __init__(self): + ... d = datetime(dt.year, 4, 1) + ... self.dston = d - timedelta(days=d.weekday() + 1) + ... d = datetime(dt.year, 11, 1) + ... self.dstoff = d - timedelta(days=d.weekday() + 1) + ... def utcoffset(self, dt): + ... return timedelta(hours=1) + self.dst(dt) + ... def dst(self, dt): + ... if self.dston <= dt.replace(tzinfo=None) < self.dstoff: + ... return timedelta(hours=2) + ... else: + ... return timedelta(0) + ... def tzname(self,dt): + ... return "GMT +2" + ... + >>> gmt1 = GMT1() + >>> # Daylight Saving Time + >>> dt1 = datetime(2006, 11, 21, 16, 30, tzinfo=gmt1) + >>> dt1.dst() + datetime.timedelta(0) + >>> dt1.utcoffset() + datetime.timedelta(0, 3600) + >>> dt2 = datetime(2006, 6, 14, 13, 0, tzinfo=gmt1) + >>> dt2.dst() + datetime.timedelta(0, 3600) + >>> dt2.utcoffset() + datetime.timedelta(0, 7200) + >>> # Convert datetime to another time zone + >>> dt3 = dt2.astimezone(GMT2()) + >>> dt3 # doctest: +ELLIPSIS + datetime.datetime(2006, 6, 14, 14, 0, tzinfo=<GMT2 object at 0x...>) + >>> dt2 # doctest: +ELLIPSIS + datetime.datetime(2006, 6, 14, 13, 0, tzinfo=<GMT1 object at 0x...>) + >>> dt2.utctimetuple() == dt3.utctimetuple() + True + + .. _datetime-time: @@ -1064,6 +1234,30 @@ Instance methods: ``self.tzinfo.tzname(None)``, or raises an exception if the latter doesn't return ``None`` or a string object. +Example:: + + >>> from datetime import time, tzinfo + >>> class GMT1(tzinfo): + ... def utcoffset(self, dt): + ... return timedelta(hours=1) + ... def dst(self, dt): + ... return timedelta(0) + ... def tzname(self,dt): + ... return "Europe/Prague" + ... + >>> t = time(12, 10, 30, tzinfo=GMT1()) + >>> t # doctest: +ELLIPSIS + datetime.time(12, 10, 30, tzinfo=<GMT1 object at 0x...>) + >>> gmt = GMT1() + >>> t.isoformat() + '12:10:30+01:00' + >>> t.dst() + datetime.timedelta(0) + >>> t.tzname() + 'Europe/Prague' + >>> t.strftime("%H:%M:%S %Z") + '12:10:30 Europe/Prague' + .. _datetime-tzinfo: @@ -1277,7 +1471,7 @@ Applications that can't bear such ambiguities should avoid using hybrid :class:`tzinfo` subclasses; there are no ambiguities when using UTC, or any other fixed-offset :class:`tzinfo` subclass (such as a class representing only EST (fixed offset -5 hours), or only EDT (fixed offset -4 hours)). - + .. _strftime-behavior: @@ -1298,48 +1492,113 @@ For :class:`date` objects, the format codes for hours, minutes, and seconds should not be used, as :class:`date` objects have no such values. If they're used anyway, ``0`` is substituted for them. -For a naive object, the ``%z`` and ``%Z`` format codes are replaced by empty -strings. - -For an aware object: - -``%z`` - :meth:`utcoffset` is transformed into a 5-character string of the form +HHMM or - -HHMM, where HH is a 2-digit string giving the number of UTC offset hours, and - MM is a 2-digit string giving the number of UTC offset minutes. For example, if - :meth:`utcoffset` returns ``timedelta(hours=-3, minutes=-30)``, ``%z`` is - replaced with the string ``'-0330'``. - -``%Z`` - If :meth:`tzname` returns ``None``, ``%Z`` is replaced by an empty string. - Otherwise ``%Z`` is replaced by the returned value, which must be a string. - The full set of format codes supported varies across platforms, because Python calls the platform C library's :func:`strftime` function, and platform -variations are common. The documentation for Python's :mod:`time` module lists -the format codes that the C standard (1989 version) requires, and those work on -all platforms with a standard C implementation. Note that the 1999 version of -the C standard added additional format codes. +variations are common. + +The following is a list of all the format codes that the C standard (1989 +version) requires, and these work on all platforms with a standard C +implementation. Note that the 1999 version of the C standard added additional +format codes. The exact range of years for which :meth:`strftime` works also varies across platforms. Regardless of platform, years before 1900 cannot be used. -.. % %% This example is obsolete, since strptime is now supported by datetime. -.. % -.. % \subsection{Examples} -.. % -.. % \subsubsection{Creating Datetime Objects from Formatted Strings} -.. % -.. % The \class{datetime} class does not directly support parsing formatted time -.. % strings. You can use \function{time.strptime} to do the parsing and create -.. % a \class{datetime} object from the tuple it returns: -.. % -.. % \begin{verbatim} -.. % >>> s = "2005-12-06T12:13:14" -.. % >>> from datetime import datetime -.. % >>> from time import strptime -.. % >>> datetime(*strptime(s, "%Y-%m-%dT%H:%M:%S")[0:6]) -.. % datetime.datetime(2005, 12, 6, 12, 13, 14) -.. % \end{verbatim} -.. % ++-----------+--------------------------------+-------+ +| Directive | Meaning | Notes | ++===========+================================+=======+ +| ``%a`` | Locale's abbreviated weekday | | +| | name. | | ++-----------+--------------------------------+-------+ +| ``%A`` | Locale's full weekday name. | | ++-----------+--------------------------------+-------+ +| ``%b`` | Locale's abbreviated month | | +| | name. | | ++-----------+--------------------------------+-------+ +| ``%B`` | Locale's full month name. | | ++-----------+--------------------------------+-------+ +| ``%c`` | Locale's appropriate date and | | +| | time representation. | | ++-----------+--------------------------------+-------+ +| ``%d`` | Day of the month as a decimal | | +| | number [01,31]. | | ++-----------+--------------------------------+-------+ +| ``%H`` | Hour (24-hour clock) as a | | +| | decimal number [00,23]. | | ++-----------+--------------------------------+-------+ +| ``%I`` | Hour (12-hour clock) as a | | +| | decimal number [01,12]. | | ++-----------+--------------------------------+-------+ +| ``%j`` | Day of the year as a decimal | | +| | number [001,366]. | | ++-----------+--------------------------------+-------+ +| ``%m`` | Month as a decimal number | | +| | [01,12]. | | ++-----------+--------------------------------+-------+ +| ``%M`` | Minute as a decimal number | | +| | [00,59]. | | ++-----------+--------------------------------+-------+ +| ``%p`` | Locale's equivalent of either | \(1) | +| | AM or PM. | | ++-----------+--------------------------------+-------+ +| ``%S`` | Second as a decimal number | \(2) | +| | [00,61]. | | ++-----------+--------------------------------+-------+ +| ``%U`` | Week number of the year | \(3) | +| | (Sunday as the first day of | | +| | the week) as a decimal number | | +| | [00,53]. All days in a new | | +| | year preceding the first | | +| | Sunday are considered to be in | | +| | week 0. | | ++-----------+--------------------------------+-------+ +| ``%w`` | Weekday as a decimal number | | +| | [0(Sunday),6]. | | ++-----------+--------------------------------+-------+ +| ``%W`` | Week number of the year | \(3) | +| | (Monday as the first day of | | +| | the week) as a decimal number | | +| | [00,53]. All days in a new | | +| | year preceding the first | | +| | Monday are considered to be in | | +| | week 0. | | ++-----------+--------------------------------+-------+ +| ``%x`` | Locale's appropriate date | | +| | representation. | | ++-----------+--------------------------------+-------+ +| ``%X`` | Locale's appropriate time | | +| | representation. | | ++-----------+--------------------------------+-------+ +| ``%y`` | Year without century as a | | +| | decimal number [00,99]. | | ++-----------+--------------------------------+-------+ +| ``%Y`` | Year with century as a decimal | | +| | number. | | ++-----------+--------------------------------+-------+ +| ``%z`` | UTC offset in the form +HHMM | \(4) | +| | or -HHMM (empty string if the | | +| | the object is naive). | | ++-----------+--------------------------------+-------+ +| ``%Z`` | Time zone name (empty string | | +| | if the object is naive). | | ++-----------+--------------------------------+-------+ +| ``%%`` | A literal ``'%'`` character. | | ++-----------+--------------------------------+-------+ +Notes: + +(1) + When used with the :func:`strptime` function, the ``%p`` directive only affects + the output hour field if the ``%I`` directive is used to parse the hour. + +(2) + The range really is ``0`` to ``61``; this accounts for leap seconds and the + (very rare) double leap seconds. + +(3) + When used with the :func:`strptime` function, ``%U`` and ``%W`` are only used in + calculations when the day of the week and the year are specified. + +(4) + For example, if :meth:`utcoffset` returns ``timedelta(hours=-3, minutes=-30)``, + ``%z`` is replaced with the string ``'-0330'``. diff --git a/Doc/library/mhlib.rst b/Doc/library/mhlib.rst index 15d2b05..0dd5353 100644 --- a/Doc/library/mhlib.rst +++ b/Doc/library/mhlib.rst @@ -7,7 +7,7 @@ .. % LaTeX'ized from the comments in the module by Skip Montanaro -.. % <skip@mojam.com>. +.. % <skip@pobox.com>. The :mod:`mhlib` module provides a Python interface to MH folders and their contents. diff --git a/Doc/library/multifile.rst b/Doc/library/multifile.rst index 3e79229..0614b86 100644 --- a/Doc/library/multifile.rst +++ b/Doc/library/multifile.rst @@ -155,7 +155,7 @@ Finally, :class:`MultiFile` instances have two public instance variables: :class:`MultiFile` Example -------------------------- -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> :: diff --git a/Doc/library/readline.rst b/Doc/library/readline.rst index 9426504..5399d3e 100644 --- a/Doc/library/readline.rst +++ b/Doc/library/readline.rst @@ -5,7 +5,7 @@ .. module:: readline :platform: Unix :synopsis: GNU readline support for Python. -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> The :mod:`readline` module defines a number of functions to facilitate diff --git a/Doc/library/robotparser.rst b/Doc/library/robotparser.rst index 1a66955..2451799 100644 --- a/Doc/library/robotparser.rst +++ b/Doc/library/robotparser.rst @@ -4,7 +4,7 @@ .. module:: robotparser :synopsis: Loads a robots.txt file and answers questions about fetchability of other URLs. -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> .. index:: diff --git a/Doc/library/telnetlib.rst b/Doc/library/telnetlib.rst index 7f08e70..4c8ce45 100644 --- a/Doc/library/telnetlib.rst +++ b/Doc/library/telnetlib.rst @@ -4,7 +4,7 @@ .. module:: telnetlib :synopsis: Telnet client class. -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> .. index:: single: protocol; Telnet diff --git a/Doc/library/urllib.rst b/Doc/library/urllib.rst index f4c85bc..77eb632 100644 --- a/Doc/library/urllib.rst +++ b/Doc/library/urllib.rst @@ -363,7 +363,7 @@ Restrictions: URLopener Objects ----------------- -.. sectionauthor:: Skip Montanaro <skip@mojam.com> +.. sectionauthor:: Skip Montanaro <skip@pobox.com> :class:`URLopener` and :class:`FancyURLopener` objects have the following diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst index 3a0096c..65cf3d1 100644 --- a/Doc/whatsnew/2.6.rst +++ b/Doc/whatsnew/2.6.rst @@ -545,9 +545,9 @@ complete list of changes, or look through the CVS logs for all the details. (Contributed by Raymond Hettinger.) * Another change to the :mod:`collections` module is that the - :class:`deque` type now supports an optional `maxlen` parameter; + :class:`deque` type now supports an optional *maxlen* parameter; if supplied, the deque's size will be restricted to no more - than ``maxlen`` items. Adding more items to a full deque causes + than *maxlen* items. Adding more items to a full deque causes old items to be discarded. :: |