Source code for pycbc.catalog.catalog

# Copyright (C) 2017  Alex Nitz
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# Public License for more details.
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

# =============================================================================
#                                   Preamble
# =============================================================================
""" This modules contains information about the announced LIGO/Virgo
compact binary mergers
import logging
import json

from import get_file

logger = logging.getLogger('pycbc.catalog.catalog')

# For the time being all quantities are the 1-d median value
# FIXME with posteriors when available and we can just post-process that

# LVC catalogs
base_lvc_url = "{}/"

[docs]def lvk_catalogs(): _catalog_source = "" catalog_list = json.load(open(get_file(_catalog_source), 'r')) return catalog_list
[docs]def populate_catalogs(): """ Refresh set of known catalogs """ global _catalogs if _catalogs is None: # update the LVK catalog information _catalogs = {cname: 'LVK' for cname in lvk_catalogs().keys()}
_catalogs = None # add some aliases _aliases = {} _aliases['gwtc-1'] = 'GWTC-1-confident' _aliases['gwtc-2'] = 'GWTC-2' _aliases['gwtc-2.1'] = 'GWTC-2.1-confident' _aliases['gwtc-3'] = 'GWTC-3-confident'
[docs]def list_catalogs(): """Return a list of possible GW catalogs to query""" populate_catalogs() return list(_catalogs.keys())
[docs]def get_source(source): """Get the source data for a particular GW catalog """ populate_catalogs() if source in _aliases: source = _aliases[source] if source in _catalogs: catalog_type = _catalogs[source] if catalog_type == 'LVK': fname = get_file(base_lvc_url.format(source), cache=True) data = json.load(open(fname, 'r')) else: raise ValueError('Unkown catalog source {}'.format(source)) return data['events']