144 lines
5.8 KiB
Python
144 lines
5.8 KiB
Python
from django.core.management.base import BaseCommand, CommandError
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from datetime import date
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from heasarc.models import INPUT_DATA_DIR
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import datetime
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from django.utils import timezone
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import astropy
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from astropy.io import ascii
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import pandas as pd
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import pymysql
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from sqlalchemy import create_engine
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import numpy.ma as ma
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from heasarc.tdat import tDat
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from heasarc.models import HeasarcTable, TableColumn, HeasarcMAXIGSCHGL, HeasarcObjectClass
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from heasarc.models import NSIDE_SOURCES, ORDER
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from monthplan.models import NSIDE_PLATES
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from astropy_healpix import HEALPix
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from astropy.coordinates import SkyCoord # High-level coordinates
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from astropy.coordinates import ICRS, Galactic, FK4, FK5 # Low-level frames
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from astropy.coordinates import Angle, Latitude, Longitude # Angles
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import astropy.units as u
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def load_heasarc_table(filename):
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tdatfile=INPUT_DATA_DIR+'/dump/'+filename
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data = astropy.table.Table.read(tdatfile, format='ascii.tdat',encoding='latin1')
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keywords = data.meta['keywords']
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for key, value in keywords.items():
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print(key, '->', value)
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try:
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table=HeasarcTable.objects.get(name__exact=keywords['table_name'])
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table.delete()
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except:
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pass
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table_name=keywords['table_name']
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table_author = (keywords['table_author'][:36]) if len(keywords['table_author']) > 36 else keywords['table_author']
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table = HeasarcTable(name=keywords['table_name'])
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table.description=keywords['table_description'].replace('\"', '')
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table.document_url=keywords['table_document_url']
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if 'default_search_radius' in keywords:
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table.search_radius=int(keywords['default_search_radius'])
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if 'frequency_regime' in keywords:
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table.frequency_regime=keywords['frequency_regime']
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table.observatory_name=keywords['observatory_name']
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table.security=keywords['table_security']
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if 'table_author' in keywords:
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table.author=table_author
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if 'catalog_bibcode' in keywords:
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table.bibcode=keywords['catalog_bibcode']
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if 'declination' in keywords:
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table.declination=keywords['declination'].replace('@', '')
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if 'right_ascension' in keywords:
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table.right_ascension=keywords['right_ascension'].replace('@', '')
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table.observatory_name = keywords['observatory_name']
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if 'parameter_defaults' in keywords:
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table.parameter_defaults = keywords['parameter_defaults']
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table.save()
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cols = data.meta['cols']
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for key, value in cols.items():
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column = TableColumn(table=table)
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column.name=key
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column.tdat_type=value['type']
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column.description=value['description']
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column.save()
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print(key, '->', value)
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print("*** Delete all MAXI objects ***")
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tables = HeasarcMAXIGSCHGL.objects.all()
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tables.delete()
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print("*** Create new MAXI objects ***")
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hp = HEALPix(nside=NSIDE_SOURCES, order=ORDER, frame=FK5())
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hp_plate = HEALPix(nside=NSIDE_PLATES, order=ORDER, frame=FK5())
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for item in data:
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class_id = int(item['class'])
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try:
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object_class = HeasarcObjectClass.objects.get(class_id=class_id)
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except:
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object_class = None
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pass
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redshift=0.0
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if not (ma.is_masked(item['redshift'])):
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redshift=float(item['redshift'])
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healpix = 0
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ra = 0.0
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dec = 0.0
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if not (ma.is_masked(item['ra']) or ma.is_masked(item['dec'])):
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ra = float(item['ra'])
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dec = float(item['dec'])
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crd = SkyCoord(ra, dec, frame=FK5(), unit="deg")
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healpix = hp.skycoord_to_healpix(crd)
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healpix_plate = hp_plate.skycoord_to_healpix(crd)
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obj = HeasarcMAXIGSCHGL.objects.create(healpix=healpix,
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healpix_plate=healpix_plate,
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ra=ra,
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dec=dec,
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lii=item['lii'],
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bii=item['bii'],
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name=item['name'],
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error_radius=float(item['error_radius']),
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redshift = redshift,
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object_class = object_class,
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class_id = int(item['class']),
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hardness_ratio = item['hardness_ratio'],
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hardness_ratio_error = item['hardness_ratio_error'],
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hb_flux = item['hb_flux'],
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hb_flux_error = item['hb_flux_error'],
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hb_significance = item['hb_significance'],
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ctrpart_name = item['ctrpart_name'])
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obj.save()
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print('--> Successfully loaded "%s"' % table_name)
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pass
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class Command(BaseCommand):
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help = 'Initiates data dase'
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# def add_arguments(self, parser):
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# parser.add_argument('poll_id', nargs='+', type=int)
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def handle(self, *args, **options):
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load_heasarc_table('heasarc_maxigschgl.tdat.gz')
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return
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hp = HEALPix(nside=NSIDE_SOURCES, order=ORDER, frame=FK5())
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# update healpix only
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srcs = HeasarcXMMSSC.objects.all()
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for src in srcs:
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crd = SkyCoord(src.ra, src.dec, frame=FK5(), unit="deg")
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src.healpix = hp.skycoord_to_healpix(crd)
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src.save()
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self.stdout.write(self.style.SUCCESS('Done'))
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