/usr/lib64/python2.6/site-packages/matplotlib
Edit: /usr/lib64/python2.6/site-packages/matplotlib/dates.pyc (40017B)
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`_ for
information on :mod:`pytz` and timezone handling.
The `dateutil module `_ provides
additional code to handle date ticking, making it easy to place ticks
on any kinds of dates. See examples below.
Date tickers
------------
Most of the date tickers can locate single or multiple values. For
example::
# tick on mondays every week
loc = WeekdayLocator(byweekday=MO, tz=tz)
# tick on mondays and saturdays
loc = WeekdayLocator(byweekday=(MO, SA))
In addition, most of the constructors take an interval argument::
# tick on mondays every second week
loc = WeekdayLocator(byweekday=MO, interval=2)
The rrule locator allows completely general date ticking::
# tick every 5th easter
rule = rrulewrapper(YEARLY, byeaster=1, interval=5)
loc = RRuleLocator(rule)
Here are all the date tickers:
* :class:`MinuteLocator`: locate minutes
* :class:`HourLocator`: locate hours
* :class:`DayLocator`: locate specifed days of the month
* :class:`WeekdayLocator`: Locate days of the week, eg MO, TU
* :class:`MonthLocator`: locate months, eg 7 for july
* :class:`YearLocator`: locate years that are multiples of base
* :class:`RRuleLocator`: locate using a
:class:`matplotlib.dates.rrulewrapper`. The
:class:`rrulewrapper` is a simple wrapper around a
:class:`dateutils.rrule` (`dateutil
`_) which allow almost
arbitrary date tick specifications. See `rrule example
<../examples/pylab_examples/date_demo_rrule.html>`_.
Date formatters
---------------
Here all all the date formatters:
* :class:`DateFormatter`: use :func:`strftime` format strings
* :class:`IndexDateFormatter`: date plots with implicit *x*
indexing.
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DayLocatort HourLocatort
MinuteLocatort
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Convert :mod:`datetime` to the Gregorian date as UTC float days,
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is a :func:`float`.
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Convert Gregorian float of the date, preserving hours, minutes,
seconds and microseconds. Return value is a :class:`datetime`.
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Use this class to parse date strings to matplotlib datenums when
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:file:`examples/load_demo.py`.
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sequence of strings.
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*d* is either a :class:`datetime` instance or a sequence of datetimes.
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minutes, seconds) since 0001-01-01 00:00:00 UTC.
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*x* is a float value which gives number of days (fraction part
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rcparams TZ value).
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be returned.
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Return a date range as float Gregorian ordinals. *dstart* and
*dend* are :class:`datetime` instances. *delta* is a
:class:`datetime.timedelta` instance.
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Tick location is seconds since the epoch. Use a :func:`strftime`
format string.
Python only supports :mod:`datetime` :func:`strftime` formatting
for years greater than 1900. Thanks to Andrew Dalke, Dalke
Scientific Software who contributed the :func:`strftime` code
below to include dates earlier than this year.
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*fmt* is an :func:`strftime` format string; *tz* is the
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strings by index.
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*t* is a sequence of dates (floating point days). *fmt* is a
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Set the view limits to include the data range.
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On autoscale, this class picks the best
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locations.
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Make ticks on a given day of each year that is a multiple of base.
Examples::
# Tick every year on Jan 1st
locator = YearLocator()
# Tick every 5 years on July 4th
locator = YearLocator(5, month=7, day=4)
i c C sY t i | | t i | | _ h | d 6| d 6d d 6d d 6d d 6| d 6| _ d S( sh
Mark years that are multiple of base on a given month and day
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Return how many days a unit of the locator is; used for
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Set the view limits to include the data range.
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Make ticks on occurances of each month month, eg 1, 3, 12.
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example, if ``interval=2``, mark every second occurance.
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Make ticks on occurances of each weekday.
i c C s5 t t d | d | | i } t i | | | d S( s]
Mark every weekday in *byweekday*; *byweekday* can be a number or
sequence.
Elements of *byweekday* must be one of MO, TU, WE, TH, FR, SA,
SU, the constants from :mod:`dateutils.rrule`.
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t byweekdayR N( R R R R RP ( RO R R RI R ( ( s6 /usr/lib64/python2.6/site-packages/matplotlib/dates.pyRP + s c C s d S( sj
return how many days a unit of the locator is; used for
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Make ticks on occurances of each day of the month. For example,
1, 15, 30.
i c C sU | d j o t d d } n t t d | d | | i } t i | | | d S( s
Mark every day in *bymonthday*; *bymonthday* can be an int or
sequence.
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Return how many days a unit of the locator is; used for
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Make ticks on occurances of each hour.
i c
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Mark every hour in *byhour*; *byhour* can be an int or sequence.
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*interval* is the interval between each iteration. For
example, if ``interval=2``, mark every second occurrence.
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return how many days a unit of the locator is; use for
intelligent autoscaling
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Make ticks on occurances of each minute.
i c C sR | d j o t d } n t t d | d | d d } t i | | | d S( s
Mark every minute in *byminute*; *byminute* can be an int or
sequence. Default is to tick every minute: ``byminute=range(60)``
*interval* is the interval between each iteration. For
example, if ``interval=2``, mark every second occurrence.
i< R R R i N( R/ R R R R RP ( RO R R RI R ( ( s6 /usr/lib64/python2.6/site-packages/matplotlib/dates.pyRP v s
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Return how many days a unit of the locator is; used for
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Make ticks on occurances of each second.
i c C sL | d j o t d } n t t d | d | } t i | | | d S( s
Mark every second in *bysecond*; *bysecond* can be an int or
sequence. Default is to tick every second: ``bysecond = range(60)``
*interval* is the interval between each iteration. For
example, if ``interval=2``, mark every second occurrence.
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Return how many days a unit of the locator is; used for
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i c C sG | | } t | i t | i d | i } | | j p t d S( sF Assert that datetimes *d1* and *d2* are within *epsilon* microseconds.g .AN( t absRg R9 R" R> t AssertionError( t d1t d2t epsilonR; t mus( ( s6 /usr/lib64/python2.6/site-packages/matplotlib/dates.pyt _close_to_dt s
c C s, t | | t } | | j p t d S( sK Assert that float ordinals *o1* and *o2* are within *epsilon* microseconds.N( R R9 R ( t o1t o2R R; ( ( s6 /usr/lib64/python2.6/site-packages/matplotlib/dates.pyt
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Convert an epoch or sequence of epochs to the new date format,
that is days since 0001.
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Convert days since 0001 to epoch. *d* can be a number or sequence.
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Convert mx :class:`datetime` instance (or sequence of mx
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Create a date locator with *numticks* (approx) and a date formatter
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DateFormatters IndexDateFormatters DateLocators RRuleLocators YearLocators MonthLocators WeekdayLocators
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