def jd_to(jd):
## hijriAlg==0
if hijriUseDB:
#jd = ifloor(jd)
date = monthDb.getDateFromJd(jd)
if date:
return date
year = ifloor(((30 * (jd - 1 - epoch)) + 10646) // 10631)
month = min(12, iceil((jd - (29 + to_jd_c(year, 1, 1))) / 29.5) + 1)
day = jd - to_jd_c(year, month, 1) + 1
return year, month, day
def getYearRangeTickValues(u0, y1, minStepYear):
data = {}
step = 10 ** max(0, ifloor(log10(y1 - u0)) - 1)
u0 = step * (u0//step)
for y in range(u0, y1, step):
n = 10 ** getNum10Pow(y)
if n >= minStepYear:
data[y] = n
if u0 <= 0 <= y1:
data[0] = max(data.values())
return sorted(data.items())
def getYearRangeTickValues(u0, y1, minStepYear):
data = {}
step = 10**max(0, ifloor(log10(y1 - u0)) - 1)
u0 = step * (u0 // step)
for y in range(u0, y1, step):
n = 10**getNum10Pow(y)
if n >= minStepYear:
data[y] = n
if u0 <= 0 <= y1:
data[0] = max(data.values())
return sorted(data.items())
def jd_to(jd):
## hijriAlg==0
if hijriUseDB:
#jd = ifloor(jd)
date = monthDb.getDateFromJd(jd)
if date:
return date
##jd = ifloor(jd) + 0.5
year = ifloor(((30 * (jd - epoch)) + 10646) // 10631)
month = min(
12,
iceil(
(jd - (29 + to_jd(year, 1, 1))) / 29.5
) + 1
)
day = jd - to_jd(year, month, 1) + 1
return year, month, day
def getJhmsFromEpoch(epoch, local=False):## return a tuple (julain_day, hour, minute, second) from epoch
#if local:
# epoch -= getCurrentTimeZone()
days, second = divmod(ifloor(epoch), 24*3600)
return (days+J1970,) + getHmsFromSeconds(second)
# with this program. If not, see <http://www.gnu.org/licenses/gpl.txt>.
# Also avalable in /usr/share/common-licenses/GPL on Debian systems
# or /usr/share/licenses/common/GPL3/license.txt on ArchLinux
from time import time, localtime
#from time import timezone, altzone, daylight
import datetime
import struct
from scal2.cal_types.gregorian import J1970
from scal2.utils import ifloor, iceil
## time() ~~ epoch
## jd == epoch/(24*3600.0) + J1970
## epoch == (jd-J1970)*24*3600
getJdFromEpoch = lambda epoch: ifloor(epoch//(24*3600) + J1970)
getFloatJdFromEpoch = lambda epoch: epoch/(24.0*3600) + J1970
getEpochFromJd = lambda jd: (jd-J1970)*(24*3600)
roundEpochToDay = lambda epoch: getEpochFromJd(round(getFloatJdFromEpoch(epoch)))
def getJdListFromEpochRange(startEpoch, endEpoch):
startJd = getJdFromEpoch(startEpoch)
endJd = getJdFromEpoch(endEpoch-0.01) + 1
return range(startJd, endJd)
def getHmsFromSeconds(second):
minute, second = divmod(int(second), 60)
hour, minute = divmod(minute, 60)
return hour, minute, second
def getJhmsFromEpoch(epoch, currentOffset=False, tz=None):
## return a tuple (julain_day, hour, minute, second) from epoch
offset = getUtcOffsetCurrent(tz) if currentOffset else getUtcOffsetByEpoch(epoch, tz) ## FIXME
days, second = divmod(ifloor(epoch + offset), 24*3600)
return (days+J1970,) + getHmsFromSeconds(second)
y, m, d = jd_to_g(jd)
return getUtcOffsetByDateSec(y, m, d, tz)
getUtcOffsetCurrent = lambda tz=None: getUtcOffsetByEpoch(now(), tz)
#getUtcOffsetCurrent = lambda: -time.altzone if time.daylight and localtime().tm_isdst else -time.timezone
getGtkTimeFromEpoch = lambda epoch: int((epoch-1.32171528839e+9)*1000 // 1)
getFloatJdFromEpoch = lambda epoch, tz=None: \
(epoch + getUtcOffsetByEpoch(epoch, tz)) / (24.0*3600) + J1970
#getFloatJdFromEpoch = lambda epoch: datetime.fromtimestamp(epoch).toordinal() - 1 + J0001
getJdFromEpoch = lambda epoch, tz=None: ifloor(getFloatJdFromEpoch(epoch, tz))
def getEpochFromJd(jd, tz=None):
localEpoch = (jd-J1970) * 24*3600
year, month, day = jd_to_g(jd-1) ## FIXME
return localEpoch - getUtcOffsetByDateSec(year, month, day, tz)
#getEpochFromJd = lambda jd: int(mktime(datetime.fromordinal(int(jd)-J0001+1).timetuple()))
roundEpochToDay = lambda epoch: getEpochFromJd(round(getFloatJdFromEpoch(epoch)))
def getJdListFromEpochRange(startEpoch, endEpoch):
startJd = getJdFromEpoch(startEpoch)
endJd = getJdFromEpoch(endEpoch-0.01) + 1
return list(range(startJd, endJd))
def getUtcOffsetByJd(jd, tz=None):
y, m, d = jd_to_g(jd)
return getUtcOffsetByDateSec(y, m, d, tz)
getUtcOffsetCurrent = lambda tz=None: getUtcOffsetByEpoch(now(), tz)
#getUtcOffsetCurrent = lambda: -time.altzone if time.daylight and localtime().tm_isdst else -time.timezone
getGtkTimeFromEpoch = lambda epoch: int((epoch-1.32171528839e+9)*1000 // 1)
getFloatJdFromEpoch = lambda epoch: (epoch + getUtcOffsetByEpoch(epoch))/(24.0*3600) + J1970
#getFloatJdFromEpoch = lambda epoch: datetime.fromtimestamp(epoch).toordinal() - 1 + J0001
getJdFromEpoch = lambda epoch: ifloor(getFloatJdFromEpoch(epoch))
def getEpochFromJd(jd, tz=None):
localEpoch = (jd-J1970) * 24*3600
year, month, day = jd_to_g(jd-1) ## FIXME
return localEpoch - getUtcOffsetByDateSec(year, month, day, tz)
#getEpochFromJd = lambda jd: int(mktime(datetime.fromordinal(int(jd)-J0001+1).timetuple()))
roundEpochToDay = lambda epoch: getEpochFromJd(round(getFloatJdFromEpoch(epoch)))
def getJdListFromEpochRange(startEpoch, endEpoch):
startJd = getJdFromEpoch(startEpoch)
endJd = getJdFromEpoch(endEpoch-0.01) + 1
return list(range(startJd, endJd))
def getJhmsFromEpoch(epoch, currentOffset=False, tz=None):
## return a tuple (julain_day, hour, minute, second) from epoch
offset = getUtcOffsetCurrent(tz) if currentOffset else getUtcOffsetByEpoch(
epoch, tz) ## FIXME
days, second = divmod(ifloor(epoch + offset), 24 * 3600)
return (days + J1970, ) + getHmsFromSeconds(second)
def getUtcOffsetByJd(jd, tz=None):
y, m, d = jd_to_g(jd)
return getUtcOffsetByGDate(y, m, d, tz)
getUtcOffsetCurrent = lambda tz=None: getUtcOffsetByEpoch(now(), tz)
#getUtcOffsetCurrent = lambda: -time.altzone if time.daylight and localtime().tm_isdst else -time.timezone
getGtkTimeFromEpoch = lambda epoch: int((epoch - 1.32171528839e+9) * 1000 // 1)
getFloatJdFromEpoch = lambda epoch, tz=None: \
(epoch + getUtcOffsetByEpoch(epoch, tz)) / (24.0*3600) + J1970
#getFloatJdFromEpoch = lambda epoch: datetime.fromtimestamp(epoch).toordinal() - 1 + J0001
getJdFromEpoch = lambda epoch, tz=None: ifloor(getFloatJdFromEpoch(epoch, tz))
def getEpochFromJd(jd, tz=None):
localEpoch = (jd - J1970) * 24 * 3600
year, month, day = jd_to_g(jd) ## jd or jd-1? FIXME
return localEpoch - getUtcOffsetByGDate(year, month, day, tz)
#getEpochFromJd = lambda jd: int(mktime(datetime.fromordinal(int(jd)-J0001+1).timetuple()))
roundEpochToDay = lambda epoch: getEpochFromJd(
round(getFloatJdFromEpoch(epoch)))
def getJdListFromEpochRange(startEpoch, endEpoch):