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Copyright (c) 1998-2001, Marc-Andre Lemburg; mailto:mal@lemburg.com
Copyright (c) 2000-2001, eGenix.com Software GmbH; mailto:info@egenix.com
See the documentation for further information on copyrights,
or contact the author. All Rights Reserved.
( t *( s __version__i i i c C s
t | | S( N( t DateTimeFromAbsDateTimet absdatet abstime( R R ( ( t8 /usr/lib/python2.4/site-packages/mx/DateTime/DateTime.pyt _DT s c C s
t | S( N( t DateTimeDeltaFromSecondst seconds( R ( ( R t _DTD s t modinitc B s5 t Z d k Z d k Z d k Z e a e a e a RS( N( t __name__t
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| | |
| S( s localtime(ticks=None)
Construct a DateTime instance using local time from ticks. If
ticks are not given, it defaults to the current time. The
result is similar to time.localtime(). Fractions of a second
are rounded to the nearest micro-second.
i N( t tickst NoneR t floatt roundt floort ftickst localtimet Yt Mt Dt ht mt st DateTime( R R R R R t intR R R R R R R R R ( ( R R ) s
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} } } } } | | |
} | |
| | | | | S( s gmtime(ticks=None)
Construct a DateTime instance using UTC time from ticks. If
ticks are not given, it defaults to the current time. The
result is similar to time.gmtime(). Fractions of a second are
rounded to the nearest micro-second.
i N( R R R R R R R t gmtimeR R R R R R R ( R R R R! R R R R R R R R R R R ( ( R R! @ s
"c C s: | \ } } } } } } } } }
| | | | | | | S( s mktime((year,month,day,hour,minute,second,dow,doy,dst))
Same as the DateTime() constructor accept that the interface
used is compatible to the similar time.mktime() API.
Note that the tuple elements dow, doy and dst are not used in
any way.
N(
t yeart montht dayt hourt minutet secondt dowt doyt dstR ( t .0R R" R# R$ R% R& R' R( R) R* ( ( R t mktimeW s ! c C s
| i d S( s ctime(datetime)
Returns a string representation of the given DateTime instance
using the current locale's default settings.
s %cN( t datetimet strftime( R- ( ( R t ctimef s f0.0c C s5 | | d \ } } } | | | | | | | S( s today(hour=0,minute=0,second=0.0)
Returns a DateTime instance for today (in local time) at the
given time (defaults to midnight).
i N( R R R R R R R% R& R' ( R% R& R' R R R R R R ( ( R t todayp s c C s | d | | | S( s TimeDelta(hours=0.0,minutes=0.0,seconds=0.0)
Returns a DateTimeDelta-object reflecting the given time
delta. Seconds can be given as float to indicate fractions.
i N( t
DateTimeDeltat hourst minutesR ( R2 R3 R R1 ( ( R t TimeDelta} s c C s t | i S( s gm2local(datetime)
Convert a DateTime instance holding UTC time to a DateTime
instance using local time.
N( R R- t gmticks( R- ( ( R t gm2local s c C s t | i S( s local2gm(datetime)
Convert a DateTime instance holding local time to a DateTime
instance using UTC time.
N( R! R- R ( R- ( ( R t local2gm s c C s t | | d d S( se DateTimeFromTJD(tjd[,myriad])
Return a DateTime instance for the given Truncated Julian Day.
myriad defaults to the TJD myriad current at package import
time.
Note that this version of Truncated Julian Day number does
real truncation of important information. It's use is
discouraged and unsupported.
f10000.0f 1721425.0N( t DateTimeFromAbsDayst tjdt
tjd_myriad( R9 R: ( ( R t DateTimeFromTJD s c C s t | d S( s DateTimeFromJDN(jdn)
Return a DateTime instance for the given Julian Day Number.
References:
-----------
Gregorian 2000-01-01 12:00:00 corresponds to JDN 2451545.0.
Gregorian 1858-11-17 00:00:00.00 corresponds to JDN 2400000.5; MJD 0.0.
Julian -4712-01-01 12:00:00.00 corresponds to JDN 0.0.
Gregorian -4713-11-24 12:00:00.00 corresponds to JDN 0.0.
f 1721425.5N( R8 t jdn( R< ( ( R t DateTimeFromJDN s
c C s t | d S( s DateTimeFromMJD(mjd)
Return a DateTime instance for the given Modified Julian Day
(MJD). The MJD is calculated the same way as the JDN except
that 1858-11-17 00:00:00.00 is taken as origin of the scale.
f678575.0N( R8 t mjd( R> ( ( R t DateTimeFromMJD s c
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d S( s DateTimeFrom(*args,**kws)
Generic DateTime instance constructor. Can handle parsing
strings, numbers and keywords.
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Generic DateTimeDelta instance constructor. Can handle parsing
strings, numbers and keywords.
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c O s< t | d j o t t d | Sn t t | | Sd S( s TimeDeltaFrom(*args,**kws)
Generic TimeDelta instance constructor. Can handle parsing
strings, numbers and keywords.
i i N( i ( RB RC RN R1 RU RO ( RC RO ( ( R t
TimeDeltaFrom* s c C s t | | | d S( s DateFromTicks(ticks)
Constructs a DateTime instance pointing to the local time date
at 00:00:00.00 (midnight) indicated by the given ticks value.
The time part is ignored.
i N( RN R R R ( R R R ( ( R t
DateFromTicks; s
c C s t | | | d S( s TimestampFromTicks(ticks)
Constructs a DateTime instance pointing to the local date and
time indicated by the given ticks value.
i N( RN R R R ( R R R ( ( R t TimestampFromTicksH s c C s t | d | | d d ! S( s TimeFromTicks(ticks)
Constructs a DateTimeDelta instance pointing to the local time
indicated by the given ticks value. The date part is ignored.
i i i N( i ( RN R1 R R ( R R1 R ( ( R t
TimeFromTicksT s c C s
| i S( s gmticks(datetime)
[DEPRECIATED: use the .gmticks() method]
Returns a ticks value based on the values stored in
datetime under the assumption that they are given in UTC,
rather than local time.
N( R- R5 ( R- ( ( R R5 r s
c C s
| i S( s+ tz_offset(datetime)
[DEPRECIATED: use the .gmtoffset() method]
Returns a DateTimeDelta instance representing the UTC
offset for datetime assuming that the stored values refer
to local time. If you subtract this value from datetime,
you'll get UTC time.
N( R- t gmtoffset( R- t oneSecond( ( R t tz_offset s
i i i i i t Saturdayt Sundayt Thursdayt Wednesdayt Fridayt Tuesdayt Mondayi i i
i i t Februaryt Marcht Julyt Novembert Decembert Junet Januaryt Septembert Augustt Aprilt Mayt OctoberiY i iif86400.0t RelativeDateTimec B s
t Z d Z d Z d Z d Z e Z d Z d Z d Z
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Z e i d Z! d Z" RS(
s RelativeDateTime(years=0,months=0,days=0,
hours=0,minutes=0,seconds=0,
year=0,month=0,day=0,
hour=None,minute=None,second=None,
weekday=None,weeks=None)
Returns a RelativeDateTime instance for the specified relative
time. The constructor handles keywords, so you'll only have to
give those parameters which should be changed when you add the
relative to an absolute DateTime instance.
Adding RelativeDateTime instances is supported with the
following rules: deltas will be added together, right side
absolute values override left side ones.
Adding RelativeDateTime instances to DateTime instances will
return DateTime instances with the appropriate calculations
applied, e.g. to get a DateTime instance for the first of next
month, you'd call now() + RelativeDateTime(months=+1,day=1).
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d n t t | | Sd S( s RelativeDateTimeFrom(*args,**kws)
Generic RelativeDateTime instance constructor. Can handle
parsing strings and keywords.
i i Ns+ cannot convert argument to RelativeDateTime(
RB RC RD RA RE RF RG t RelativeDateTimeFromStringRw Rp RK RN RO ( RC RO RG RD RA ( ( R t RelativeDateTimeFrom
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| i S( s5 RelativeDateTimeDiff(date1,date2)
Returns a RelativeDateTime instance representing the difference
between date1 and date2 in relative terms.
The following should hold:
date2 + RelativeDateDiff(date1,date2) == date1
for all dates date1 and date2.
Note that due to the algorithm used by this function, not the
whole range of DateTime instances is supported; there could
also be a loss of precision.
XXX There are still some problems left (thanks to Carel
Fellinger for pointing these out):
29 1 1901 -> 1 3 1901 = 1 month
29 1 1901 -> 1 3 1900 = -10 month and -28 days, but
29 1 1901 -> 28 2 1900 = -11 month and -1 day
and even worse:
>>> print RelativeDateDiff(Date(1900,3,1),Date(1901,2,1))
YYYY-(-11)-DD HH:MM:SS
with:
>>> print Date(1901,1,29) + RelativeDateTime(months=-11)
1900-03-01 00:00:00.00
>>> print Date(1901,2,1) + RelativeDateTime(months=-11)
1900-03-01 00:00:00.00
i i i iRq Rs RS R2 R3 R N( t date1t date2R RS Rp R" R# t date1monthst date2monthst
diffmonthst divmodRq Rs t date3t diff3t absdaysR R R% R& R' ( R R R R R Rp R R R Rs R RS R R Rq ( ( R t RelativeDateTimeDiff" sD '
id c C sp | d j o | Sn | | } | | } | d j o | d j o | Sn" | d j o | d Sn | d Sd S( s Sliding window approach to the Y2K problem: adds a suitable
century to the given year and returns it as integer.
The window used depends on the current year (at import time).
If adding the current century to the given year gives a year
within the range current_year-70...current_year+30 [both
inclusive], then the current century is added. Otherwise the
century (current + 1 or - 1) producing the least difference is
chosen.
ic ii id N( R" t current_centuryt current_yearR ( R" R R R ( ( R t add_century s
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im i id i i-} ( R# t aR" t yR R$ ( R" R# R$ R R R ( ( R t
gregorian_jdn s c C sV d | d } | d | } | d | d } | d | d d | d | d d
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im i iS} ( R# R R" R R R$ ( R" R# R$ R R R ( ( R t
julian_jdn s N(c R t
mxDateTimet __version__R1 R[ t oneMinutet oneHourt oneDayt oneWeekR t EpochR R R R R R R R R R R R R R! R, R/ R0 R4 R6 R7 t utct gmtR: t current_myriadR; R= R? RR RU RV RW RX RY t utctimet utc2localt local2utcRM t Datet Timet Timestampt DateFromt TimeFromt
TimestampFromt GregorianDateTimet
GregorianDatet JulianDateTimet
JulianDateR5 t utcticksR\ Rc Rb R` R_ Ra R] R^ R Rj Rd Re Rm Rn Ri Rf Rl Rk Ro Rg Rh t Montht MaxDateTimet MinDateTimeR t MaxDateTimeDeltat MinDateTimeDeltaRp t RelativeDateR R R t RelativeDateDifft AgeRQ R" R R R (O R^ R R R Re Ra R, RX R R R7 RR R5 Rp R/ R R R R? R RY R R R\ Rf R R= R! R; RM R R R6 R Rk R Rb R R R R R R R R R Rl Rc R Ri R R Rg R0 Ro Rj R` R R R R[ R Rh R R RV R_ R Rn R R Rd R4 Rm R RW RU R R] ( ( R t ? s
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