first version of arttools python package

arttools/__init__.py

@@ -0,0 +1,7 @@
+# from pkg_resources import get_distribution, DistributionNotFound
+# try:
+#     __version__ = get_distribution(__name__).version
+# except DistributionNotFound:
+#     pass  # package is not installed
+
+__version__ = '1.0'

arttools/arttime.py

@@ -0,0 +1,238 @@
+#!/usr/bin/env python3
+# -*- coding: utf8 -*-
+
+from datetime import datetime
+
+import astropy.units as u
+from astropy.time.formats import erfa
+from astropy.time import Time
+from astropy.time import TimezoneInfo
+
+MJDREF = Time(51543.875, format='mjd')     #corresponds to date 01.01.2000 00:00:00 (UTC+3)
+TZ_UTC = TimezoneInfo(utc_offset=0*u.hour) #UTC time zone
+TZ_MSK = TimezoneInfo(utc_offset=3*u.hour) #UTC+3 (Moscow) time zone
+
+class MissionTime(object):
+
+    def __init__(self, mtime):
+        self._mtime = mtime
+
+    def get(self):
+        return self._mtime
+
+    def __str__(self):
+        return str(self._mtime)    
+
+    def to_datetime(self, tzone=TZ_UTC):
+        days = self.to_mjd()
+        return days.to_datetime(timezone=tzone)
+
+    def to_artday(self):
+        ARTDAYLEN = erfa.DAYSEC
+        return self._mtime / ARTDAYLEN 
+
+    def to_mjd(self):
+        mjd_value = MJDREF.mjd + Time(self._mtime / erfa.DAYSEC, format='mjd').mjd
+        return Time(mjd_value, format='mjd')
+
+
+class ArtDay(object):
+
+    def __init__(self, aday):
+        self._aday = aday
+
+    def get(self):
+        return self._aday
+
+    def __str__(self):
+        return str(self._aday)  
+
+    def to_mission(self):
+        ARTDAYLEN = erfa.DAYSEC
+        return self._aday * ARTDAYLEN
+
+    def to_datetime(self, tzone=TZ_UTC):
+        days = self.to_mjd()
+        return days.to_datetime(timezone=tzone)
+
+    def to_mjd(self):
+        mjd_value = MJDREF.mjd + Time(self._aday, format='mjd').mjd
+        return Time(mjd_value, format='mjd')
+
+
+class MjdDay(object):
+
+    def __init__(self, mjd):
+        self._mjd = Time(mjd, format='mjd')
+
+    def get(self):
+        return self._mjd
+
+    def __str__(self):
+        return str(self._mjd)
+
+    def to_mission(self):
+        ARTDAYLEN = erfa.DAYSEC
+        return (self._mjd.mjd - MJDREF.mjd) * ARTDAYLEN
+
+    def to_artday(self):
+        return self._mjd.mjd - MJDREF.mjd
+
+    def to_datetime(self, tzone=TZ_UTC):
+        return Time(self._mjd, format='mjd').to_datetime(timezone=tzone)
+
+
+class Dtime(object):
+
+    def __init__(self, dtime, tzone=None):
+        dtime       = datetime.fromisoformat(dtime)
+        if tzone is None:
+            self._dtime = dtime
+        else:
+            self._dtime = dtime.replace(tzinfo=tzone)   
+        self._tzone = tzone
+
+    def get(self):
+        return self._dtime
+
+    def __str__(self):
+        return str(self._dtime)
+
+    def to_mjd(self):
+        days = Time(self._dtime)
+        return days
+
+    def to_artday(self):
+        return self.to_mjd().mjd - MJDREF.mjd
+
+    def to_mission(self):
+        ARTDAYLEN = erfa.DAYSEC
+        return self.to_artday() * ARTDAYLEN
+
+    def to_msk(self):
+        dtime_utc = Time(self._dtime)
+        return dtime_utc.to_datetime(timezone=TZ_MSK)
+
+    def to_utc(self):
+        dtime_msk = Time(self._dtime)
+        return dtime_msk.to_datetime(timezone=TZ_UTC)
+
+
+class ArtTime(object):
+
+    def __init__(self, aday=None, mjd=None, mtime=None, dtime_utc=None, dtime_msk=None):
+
+        self._has_value = False
+        self._try_mtime(mtime)
+        self._try_aday(aday)
+        self._try_mjd(mjd)
+        self._try_dtime_utc(dtime_utc)
+        self._try_dtime_msk(dtime_msk)
+
+    def _try_mtime(self, mtime):
+        if mtime is None:
+            return
+
+        self._has_value = True
+
+        self._mtime     = MissionTime(mtime) 
+        self._aday      = ArtDay(self._mtime.to_artday())
+        self._mjd       = MjdDay(self._mtime.to_mjd())
+        self._dtime_utc = Dtime(dtime=str(self._mtime.to_datetime(tzone=TZ_UTC)))
+        self._dtime_msk = Dtime(dtime=str(self._mtime.to_datetime(tzone=TZ_MSK)))
+
+    def _try_aday(self, aday):
+        if aday is None:
+            return
+
+        self._has_value = True
+
+        self._aday      = ArtDay(aday)
+        self._mtime     = MissionTime(self._aday.to_mission()) 
+        self._mjd       = MjdDay(self._aday.to_mjd())
+        self._dtime_utc = Dtime(dtime=str(self._aday.to_datetime(tzone=TZ_UTC)))
+        self._dtime_msk = Dtime(dtime=str(self._aday.to_datetime(tzone=TZ_MSK)))
+
+    def _try_mjd(self, mjd):
+        if mjd is None:
+            return
+
+        self._has_value = True
+
+        self._mjd       = MjdDay(mjd)
+        self._aday      = ArtDay(self._mjd.to_artday())
+        self._mtime     = MissionTime(self._mjd.to_mission()) 
+        self._dtime_utc = Dtime(dtime=str(self._mjd.to_datetime(tzone=TZ_UTC)))
+        self._dtime_msk = Dtime(dtime=str(self._mjd.to_datetime(tzone=TZ_MSK)))
+
+    def _try_dtime_utc(self, dtime_utc):
+        if dtime_utc is None:
+            return
+
+        self._has_value = True
+
+        self._dtime_utc = Dtime(dtime_utc, tzone=TZ_UTC)
+        self._dtime_msk = Dtime(str(self._dtime_utc.to_msk()))
+        self._mtime     = MissionTime(self._dtime_utc.to_mission()) 
+        self._aday      = ArtDay(self._dtime_utc.to_artday())
+        self._mjd       = MjdDay(self._dtime_utc.to_mjd())
+
+    def _try_dtime_msk(self, dtime_msk):
+        if dtime_msk is None:
+            return
+
+        self._has_value = True
+
+        self._dtime_msk = Dtime(dtime_msk, tzone=TZ_MSK)
+        self._dtime_utc = Dtime(str(self._dtime_msk.to_utc()))
+        self._mtime     = MissionTime(self._dtime_msk.to_mission()) 
+        self._aday      = ArtDay(self._dtime_msk.to_artday())
+        self._mjd       = MjdDay(self._dtime_msk.to_mjd())
+
+
+    @property
+    def mission(self):
+        return self._mtime
+    
+    @property
+    def artday(self):
+        return self._aday
+
+    @property
+    def mjd(self):
+        return self._mjd
+
+    @property
+    def date_utc(self):
+        return self._dtime_utc
+
+    @property
+    def date_msk(self):
+        return self._dtime_msk
+
+    def __str__(self):
+        aday_str     = 'Artday       --> '+str(self._aday)+'\n'
+        mtime_str    = 'Mission time --> '+str(self._mtime)+'\n'
+        mjd_str      = 'MJD          --> '+str(self._mjd)+'\n'
+        date_msk_str = 'Date MSK     --> '+str(self._dtime_msk)+'\n'
+        date_utc_str = 'Date UTC     --> '+str(self._dtime_utc)+'\n'
+
+        return str(aday_str+mtime_str+mjd_str+date_msk_str+date_utc_str)
+
+
+
+def main():
+
+    atime = ArtTime(dtime_msk='2021-12-12T00:00:00')
+    print(atime)
+    print(atime.mission)
+    print(atime.artday)
+    print(atime.date_utc)
+    print(atime.date_msk)
+    print(atime.mjd)
+
+
+
+if __name__ == '__main__':
+    
+    main()

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
-name = arttime
+name = arttools
-description = ART-XC time converter
+description = ART-XC package
 version = 1.0
 long_description = file: README.rst
 author = Kuznetsova E., Shtykovsky A.