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lib/python/DateTime/DateTime.py
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...@@ -44,7 +44,7 @@ ...@@ -44,7 +44,7 @@
"""Encapsulation of date/time values""" """Encapsulation of date/time values"""
__version__='$Revision: 1.2 $'[11:-2] __version__='$Revision: 1.3 $'[11:-2]
import sys,os,regex,DateTimeZone import sys,os,regex,DateTimeZone
...@@ -383,11 +383,8 @@ class DateTime: ...@@ -383,11 +383,8 @@ class DateTime:
d=t=s=None d=t=s=None
ac=len(args) ac=len(args)
dcomp=1L
# Fast unpickling support
if ac and args[0]==None: return if ac and args[0]==None: return
elif ac==10: elif ac==10:
# Internal format called only by DateTime # Internal format called only by DateTime
yr,mo,dy,hr,mn,sc,tz,t,d,s=args yr,mo,dy,hr,mn,sc,tz,t,d,s=args
...@@ -397,7 +394,7 @@ class DateTime: ...@@ -397,7 +394,7 @@ class DateTime:
t,tz=time(),self._localzone t,tz=time(),self._localzone
yr,mo,dy,hr,mn,sc=gmtime(int(t))[:6] yr,mo,dy,hr,mn,sc=gmtime(int(t))[:6]
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
yr,mo,dy,hr,mn,sc=localtime(t)[:6] yr,mo,dy,hr,mn,sc=localtime(t)[:6]
sc=sc+(t-int(t)) sc=sc+(t-int(t))
...@@ -408,7 +405,7 @@ class DateTime: ...@@ -408,7 +405,7 @@ class DateTime:
t,tz=time(),self._tzinfo._zmap[lower(arg)] t,tz=time(),self._tzinfo._zmap[lower(arg)]
yr,mo,dy,hr,mn,sc=gmtime(t)[:6] yr,mo,dy,hr,mn,sc=gmtime(t)[:6]
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
_d=d+(self._tzinfo[tz].info(t)[0]/86400.0) _d=d+(self._tzinfo[tz].info(t)[0]/86400.0)
yr,mo,dy=self._calendarday(_d+jd1901) yr,mo,dy=self._calendarday(_d+jd1901)
_s=(_d-int(_d))*86400.0 _s=(_d-int(_d))*86400.0
...@@ -436,22 +433,20 @@ class DateTime: ...@@ -436,22 +433,20 @@ class DateTime:
if not self._validTime(hr,mn,int(sc)): if not self._validTime(hr,mn,int(sc)):
raise self.DateTimeError, 'Invalid time: %s' % arg raise self.DateTimeError, 'Invalid time: %s' % arg
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
t=(d*86400.0)-EPOCH+86400.0 t=(d*86400.0)-EPOCH+86400.0
tza=self._tzinfo[tz].info(t)[0] tza=self._tzinfo[tz].info(t)[0]
d,t=d-(tza/86400.0),t-tza d,t=d-(tza/86400.0),t-tza
dcomp=2L
elif (arg > 0) and (int(arg)/365+1901 > 2030): elif (arg > 0) and (int(arg)/365+1901 > 2030):
# Seconds from epoch, gmt # Seconds from epoch, gmt
# Working;
t,tz=arg,self._localzone t,tz=arg,self._localzone
yr,mo,dy,hr,mn,sc=gmtime(int(t))[:6] yr,mo,dy,hr,mn,sc=gmtime(int(t))[:6]
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
yr,mo,dy,hr,mn,sc=localtime(t)[:6] yr,mo,dy,hr,mn,sc=localtime(t)[:6]
sc=sc+(t-int(t)) sc=sc+(t-int(t))
else: else:
# Float days since Jan 1, 1901 machine tz # Float days since Jan 1, 1901 machine tz
_j,tz=arg*86400.0,self._localzone _j,tz=arg*86400.0,self._localzone
...@@ -475,7 +470,6 @@ class DateTime: ...@@ -475,7 +470,6 @@ class DateTime:
tza=self._tzinfo[tz].info(t)[0] tza=self._tzinfo[tz].info(t)[0]
d,t=arg-(tza/86400.0),t-tza d,t=arg-(tza/86400.0),t-tza
s=d-int(d) s=d-int(d)
dcomp=2L
elif ac==2: elif ac==2:
if type(args[1])==StringType: if type(args[1])==StringType:
...@@ -484,7 +478,7 @@ class DateTime: ...@@ -484,7 +478,7 @@ class DateTime:
tz=self._tzinfo._zmap[lower(tz)] tz=self._tzinfo._zmap[lower(tz)]
yr,mo,dy,hr,mn,sc=gmtime(t)[:6] yr,mo,dy,hr,mn,sc=gmtime(t)[:6]
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
_d=d+(self._tzinfo[tz].info(t)[0]/86400.0) _d=d+(self._tzinfo[tz].info(t)[0]/86400.0)
yr,mo,dy=self._calendarday(_d+jd1901) yr,mo,dy=self._calendarday(_d+jd1901)
_s=(_d-int(_d))*86400.0 _s=(_d-int(_d))*86400.0
...@@ -502,13 +496,12 @@ class DateTime: ...@@ -502,13 +496,12 @@ class DateTime:
if sc<0: if sc<0:
if (sc-int(sc)>=0.999): sc=round(sc) if (sc-int(sc)>=0.999): sc=round(sc)
sc=59+sc sc=59+sc
else: else:
# Year, julean expressed in local zone # Year, julean expressed in local zone
tz=self._localzone tz=self._localzone
yr,jul=args yr,jul=args
if not yr>100: yr=yr+CENTURY if not yr>100: yr=yr+CENTURY
d=(self._julianday(yr,1,1)-jd1901)+jul d=(self._julianday(yr,1,0)-jd1901)+jul
yr,mo,dy=self._calendarday(d+jd1901) yr,mo,dy=self._calendarday(d+jd1901)
_s=(d-int(d))*86400.0 _s=(d-int(d))*86400.0
hr=int(_s/3600) hr=int(_s/3600)
...@@ -528,7 +521,6 @@ class DateTime: ...@@ -528,7 +521,6 @@ class DateTime:
d=d-(self._tzinfo[tz].info(t)[0]/86400.0) d=d-(self._tzinfo[tz].info(t)[0]/86400.0)
s=d-int(d) s=d-int(d)
t=(d*86400.0)-EPOCH t=(d*86400.0)-EPOCH
dcomp=2L
else: else:
# Explicit format # Explicit format
...@@ -554,11 +546,10 @@ class DateTime: ...@@ -554,11 +546,10 @@ class DateTime:
else: tz=self._tzinfo._zmap[lower(tz)] else: tz=self._tzinfo._zmap[lower(tz)]
leap=yr%4==0 and (yr%100!=0 or yr%400==0) leap=yr%4==0 and (yr%100!=0 or yr%400==0)
s=(hr/24.0+mn/1440.0+sc/86400.0) s=(hr/24.0+mn/1440.0+sc/86400.0)
d=(self._julianday(yr,mo,dy)-jd1901)+s+1 d=(self._julianday(yr,mo,dy)-jd1901)+s
t=(d*86400.0)-EPOCH+86400.0 t=(d*86400.0)-EPOCH+86400.0
tza=self._tzinfo[tz].info(t)[0] tza=self._tzinfo[tz].info(t)[0]
d,t=d-(tza/86400.0),t-tza d,t=d-(tza/86400.0),t-tza
dcomp=2L
if hr>12: if hr>12:
self._pmhour=hr-12 self._pmhour=hr-12
...@@ -566,13 +557,7 @@ class DateTime: ...@@ -566,13 +557,7 @@ class DateTime:
else: else:
self._pmhour=hr or 12 self._pmhour=hr or 12
self._pm= (hr==12) and 'pm' or 'am' self._pm= (hr==12) and 'pm' or 'am'
# self._dayoffset=dx=(int(d)+1)%7 self._dayoffset=dx=int((self._julianday(yr,mo,dy)+2L)%7)
# ddd=int(d)+jd1901+2L
# ans=ddd%7
# print `ddd,ans`
#d= int(d-(self._tzinfo[tz].info(t)[0]/86400.0))
self._dayoffset=dx= \
int((int(d-(self._tzinfo[tz].info(t)[0]/86400.0))+jd1901+dcomp)%7)
self._fmon,self._amon,self._pmon= \ self._fmon,self._amon,self._pmon= \
self._months[mo],self._months_a[mo],self._months_p[mo] self._months[mo],self._months_a[mo],self._months_p[mo]
self._fday,self._aday,self._pday= \ self._fday,self._aday,self._pday= \
...@@ -773,9 +758,11 @@ class DateTime: ...@@ -773,9 +758,11 @@ class DateTime:
m=-m m=-m
y=y-m/12L-1L y=y-m/12L-1L
m=12L-m%12L m=12L-m%12L
yr_correct=(y > 0) and 0L or 3L if y > 0L: yr_correct=0L
else: yr_correct=3L
if m < 3L: y, m=y-1L,m+12L if m < 3L: y, m=y-1L,m+12L
b=((y*10000L+m*100L+d) > 15821014L) and (2L-y/100L+y/400L) or 0L if y*10000L+m*100L+d > 15821014L: b=2L-y/100L+y/400L
else: b=0L
return (1461L*y-yr_correct)/4L+306001L*(m+1L)/10000L+d+1720994L+b return (1461L*y-yr_correct)/4L+306001L*(m+1L)/10000L+d+1720994L+b
def _calendarday(self,j): def _calendarday(self,j):
...@@ -815,11 +802,10 @@ class DateTime: ...@@ -815,11 +802,10 @@ class DateTime:
if (t>0 and ((t/86400.0) < 24837)): return t if (t>0 and ((t/86400.0) < 24837)): return t
raise self.DateTimeError,'No time module compatible time to return' raise self.DateTimeError,'No time module compatible time to return'
def toZone(self, z): def toZone(self, z):
"""Return a DateTime with the value as the current """Return a DateTime with the value as the current
object, represented in the indicated timezone.""" object, represented in the indicated timezone."""
t,tz=self._t,self._tzinfo._zmap[z] t,tz=self._t,self._tzinfo._zmap[lower(z)]
if (t>0 and ((t/86400.0) < 24837)): if (t>0 and ((t/86400.0) < 24837)):
# Try to cheat and use time module for speed... # Try to cheat and use time module for speed...
yr,mo,dy,hr,mn,sc=gmtime(t+self._tzinfo[tz].info(t)[0])[:6] yr,mo,dy,hr,mn,sc=gmtime(t+self._tzinfo[tz].info(t)[0])[:6]
...@@ -907,7 +893,11 @@ class DateTime: ...@@ -907,7 +893,11 @@ class DateTime:
timezone) is a leap year""" timezone) is a leap year"""
return self._year%4==0 and (self._year%100!=0 or self._year%400==0) return self._year%4==0 and (self._year%100!=0 or self._year%400==0)
def dayOfYear(self):
"""Return the day of the year, in context of
the timezone representation of the object"""
d=int(self._d+(self._tzinfo[self._tz].info(self._t)[0]/86400.0))
return int((d+jd1901)-self._julianday(self._year,1,0))
# Component access # Component access
def parts(self): def parts(self):
...@@ -1122,19 +1112,3 @@ def Timezones(): ...@@ -1122,19 +1112,3 @@ def Timezones():
#$Log: DateTime.py,v $
#Revision 1.2 1997/03/13 00:51:56 brian
#*** empty log message ***
#
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