140 lines
6.1 KiB
Python
140 lines
6.1 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, HeasarcCSC, HeasarcObjectClass
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from heasarc.models import NSIDE_SOURCES, ORDER
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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 = 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=keywords['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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# convert data frame to pandas
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# df = data.to_pandas()
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# sql = 'DROP TABLE IF EXISTS '+table_name+';'
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# result = engine.execute(sql)
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# Insert whole DataFrame into MySQL
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# df.to_sql(table_name, con = engine, if_exists = 'append', chunksize = 200000)
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tables = HeasarcCSC.objects.all()
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tables.delete()
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hp = HEALPix(nside=NSIDE_SOURCES, order=ORDER, frame=FK5())
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for item in data:
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#crd = SkyCoord(item['ra'], item['dec'], frame=FK5(), unit="deg")
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#healpix = hp.skycoord_to_healpix(crd)
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conf_flag=''
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if(item['conf_flag'] == 'NULL'):
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conf_flag = 'N'
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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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obj = HeasarcCSC.objects.create(healpix=healpix,
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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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significance=item['significance'],
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extent_flag=item['extent_flag'],
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conf_flag=conf_flag,
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error_ellipse_r0=item['error_ellipse_r0'],
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error_ellipse_r1=item['error_ellipse_r1'],
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error_ellipse_angle=item['error_ellipse_angle'],
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b_flux_ap=item['b_flux_ap'],
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b_flux_ap_hi=item['b_flux_ap_hi'],
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b_flux_ap_lo=item['b_flux_ap_lo'],
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m_flux_ap=item['m_flux_ap'],
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m_flux_ap_hi=item['m_flux_ap_hi'],
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m_flux_ap_lo=item['m_flux_ap_lo'],
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s_flux_ap = item['s_flux_ap'],
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s_flux_ap_hi = item['s_flux_ap_hi'],
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m_photflux_ap=item['m_photflux_ap'],
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m_photflux_ap_hi=item['m_photflux_ap_hi'],
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m_photflux_ap_lo=item['m_photflux_ap_lo'],
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s_photflux_ap=item['s_photflux_ap'],
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s_photflux_ap_hi=item['s_photflux_ap_hi'],
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s_photflux_ap_lo=item['s_photflux_ap_lo'],)
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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_csc.tdat.gz')
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self.stdout.write(self.style.SUCCESS('Done'))
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