def main():
"""Run MOSFiT."""
prt = Printer(wrap_length=100,
quiet=False,
language='en',
exit_on_prompt=False)
parser = get_parser(only='language')
args, remaining = parser.parse_known_args()
if args.language == 'en':
loc = locale.getlocale()
if loc[0]:
args.language = loc[0].split('_')[0]
if args.language != 'en':
try:
from googletrans.constants import LANGUAGES
except Exception:
raise RuntimeError('`--language` requires `googletrans` package, '
'install with `pip install googletrans`.')
if args.language == 'select' or args.language not in LANGUAGES:
languages = list(
sorted([
LANGUAGES[x].title().replace('_', ' ') + ' (' + x + ')'
for x in LANGUAGES
]))
sel = prt.prompt('Select a language:',
kind='select',
options=languages,
message=False)
args.language = sel.split('(')[-1].strip(')')
prt = Printer(language=args.language)
language = args.language
parser = get_parser(printer=prt)
args = parser.parse_args()
args.language = language
prt = Printer(wrap_length=100,
quiet=args.quiet,
language=args.language,
exit_on_prompt=args.exit_on_prompt)
if args.version:
print('MOSFiT v{}'.format(__version__))
return
dir_path = os.path.dirname(os.path.realpath(__file__))
if args.speak:
speak('Mosfit', args.speak)
args.start_time = time.time()
if args.limiting_magnitude == []:
args.limiting_magnitude = 20.0
args.return_fits = False
if (isinstance(args.extrapolate_time, list)
and len(args.extrapolate_time) == 0):
args.extrapolate_time = 100.0
if len(args.band_list) and args.smooth_times == -1:
prt.message('enabling_s')
args.smooth_times = 0
args.method = 'nester' if args.method.lower() in [
'nest', 'nested', 'nested_sampler', 'nester'
] else 'ensembler'
if is_master():
if args.method == 'nester':
unused_args = [[args.burn, '-b'], [args.post_burn, '-p'],
[args.frack_step, '-f'], [args.num_temps, '-T'],
[args.run_until_uncorrelated, '-U'],
[args.draw_above_likelihood, '-d'],
[args.gibbs, '-g'], [args.save_full_chain, '-c'],
[args.maximum_memory, '-M']]
for ua in unused_args:
if ua[0] is not None:
prt.message('argument_not_used',
reps=[ua[1], '-D nester'],
warning=True)
if args.method == 'nester':
if args.run_until_converged and args.iterations >= 0:
raise ValueError(prt.text('R_i_mutually_exclusive'))
if args.walker_paths is not None:
raise ValueError(prt.text('w_nester_mutually_exclusive'))
if args.generative:
if args.iterations > 0:
prt.message('generative_supercedes', warning=True)
args.iterations = 0
no_events = False
if args.iterations == -1:
if len(args.events) == 0:
no_events = True
args.iterations = 0
else:
args.iterations = 5000
if len(args.date_list):
if no_events:
prt.message('no_dates_gen', warning=True)
else:
args.time_list = [
str(astrotime(x.replace('/', '-')).mjd) for x in args.date_list
]
args.time_unit = 'mjd'
if len(args.mjd_list):
if no_events:
prt.message('no_dates_gen', warning=True)
else:
args.time_list = args.mjd_list
args.time_unit = 'mjd'
if len(args.jd_list):
if no_events:
prt.message('no_dates_gen', warning=True)
else:
args.time_list = [
str(astrotime(float(x), format='jd').mjd) for x in args.jd_list
]
args.time_unit = 'mjd'
if len(args.phase_list):
if no_events:
prt.message('no_dates_gen', warning=True)
else:
args.time_list = args.phase_list
args.time_unit = 'phase'
if len(args.time_list):
if any([any([y in x]) for y in ['-', '/'] for x in args.time_list]):
try:
args.time_list = [
astrotime(x.replace('/', '-')).mjd for x in args.time_list
]
except ValueError:
if len(args.time_list) == 1 and isinstance(
args.time_list[0], string_types):
args.time_list = args.time_list[0].split()
args.time_list = [float(x) for x in args.time_list]
args.time_unit = 'phase'
else:
if any(['+' in x for x in args.time_list]):
args.time_unit = 'phase'
args.time_list = [float(x) for x in args.time_list]
if min(args.time_list) > 2400000:
prt.message('assuming_jd')
args.time_list = [x - 2400000.5 for x in args.time_list]
args.time_unit = 'mjd'
elif min(args.time_list) > 50000:
prt.message('assuming_mjd')
args.time_unit = 'mjd'
args.time_unit = None
if args.burn is None and args.post_burn is None:
args.burn = int(np.floor(args.iterations / 2))
if args.frack_step == 0:
args.fracking = False
if (args.run_until_uncorrelated is not None and args.run_until_converged):
raise ValueError(
'`-R` and `-U` options are incompatible, please use one or the '
'other.')
if args.run_until_uncorrelated is not None:
args.convergence_type = 'acor'
args.convergence_criteria = args.run_until_uncorrelated
elif args.run_until_converged:
if args.method == 'ensembler':
args.convergence_type = 'psrf'
args.convergence_criteria = (1.1
if args.run_until_converged is True
else args.run_until_converged)
else:
args.convergence_type = 'dlogz'
if args.method == 'nester':
args.convergence_criteria = (0.02 if args.run_until_converged is True
else args.run_until_converged)
if is_master():
# Get hash of ourselves
mosfit_hash = get_mosfit_hash()
# Print our amazing ASCII logo.
if not args.quiet:
with codecs.open(os.path.join(dir_path, 'logo.txt'), 'r',
'utf-8') as f:
logo = f.read()
firstline = logo.split('\n')[0]
# if isinstance(firstline, bytes):
# firstline = firstline.decode('utf-8')
width = len(normalize('NFC', firstline))
prt.prt(logo, colorify=True)
prt.message(
'byline',
reps=[__version__, mosfit_hash, __author__, __contributors__],
center=True,
colorify=True,
width=width,
wrapped=False)
# Get/set upload token
upload_token = ''
get_token_from_user = False
if args.set_upload_token:
if args.set_upload_token is not True:
upload_token = args.set_upload_token
get_token_from_user = True
upload_token_path = os.path.join(dir_path, 'cache', 'dropbox.token')
# Perform a few checks on upload before running (to keep size
# manageable)
if args.upload and not args.test and args.smooth_times > 100:
response = prt.prompt('ul_warning_smooth')
if response:
args.upload = False
else:
sys.exit()
if (args.upload and not args.test and args.num_walkers is not None
and args.num_walkers < 100):
response = prt.prompt('ul_warning_few_walkers')
if response:
args.upload = False
else:
sys.exit()
if (args.upload and not args.test and args.num_walkers
and args.num_walkers * args.num_temps > 500):
response = prt.prompt('ul_warning_too_many_walkers')
if response:
args.upload = False
else:
sys.exit()
if args.upload:
if not os.path.isfile(upload_token_path):
get_token_from_user = True
else:
with open(upload_token_path, 'r') as f:
upload_token = f.read().splitlines()
if len(upload_token) != 1:
get_token_from_user = True
elif len(upload_token[0]) != 64:
get_token_from_user = True
else:
upload_token = upload_token[0]
if get_token_from_user:
if args.test:
upload_token = ('1234567890abcdefghijklmnopqrstuvwxyz'
'1234567890abcdefghijklmnopqr')
while len(upload_token) != 64:
prt.message('no_ul_token', ['https://sne.space/mosfit/'],
wrapped=True)
upload_token = prt.prompt('paste_token', kind='string')
if len(upload_token) != 64:
prt.prt(
'Error: Token must be exactly 64 characters in '
'length.',
wrapped=True)
continue
break
with open_atomic(upload_token_path, 'w') as f:
f.write(upload_token)
if args.upload:
prt.prt("Upload flag set, will upload results after completion.",
wrapped=True)
prt.prt("Dropbox token: " + upload_token, wrapped=True)
args.upload_token = upload_token
if no_events:
prt.message('iterations_0', wrapped=True)
# Create the user directory structure, if it doesn't already exist.
if args.copy:
prt.message('copying')
fc = False
if args.force_copy:
fc = prt.prompt('force_copy')
if not os.path.exists('jupyter'):
os.mkdir(os.path.join('jupyter'))
if not os.path.isfile(os.path.join('jupyter',
'mosfit.ipynb')) or fc:
shutil.copy(
os.path.join(dir_path, 'jupyter', 'mosfit.ipynb'),
os.path.join(os.getcwd(), 'jupyter', 'mosfit.ipynb'))
if not os.path.exists('modules'):
os.mkdir(os.path.join('modules'))
module_dirs = next(os.walk(os.path.join(dir_path, 'modules')))[1]
for mdir in module_dirs:
if mdir.startswith('__'):
continue
full_mdir = os.path.join(dir_path, 'modules', mdir)
copy_path = os.path.join(full_mdir, '.copy')
to_copy = []
if os.path.isfile(copy_path):
to_copy = list(
filter(None,
open(copy_path, 'r').read().split()))
mdir_path = os.path.join('modules', mdir)
if not os.path.exists(mdir_path):
os.mkdir(mdir_path)
for tc in to_copy:
tc_path = os.path.join(full_mdir, tc)
if os.path.isfile(tc_path):
shutil.copy(tc_path, os.path.join(mdir_path, tc))
elif os.path.isdir(tc_path) and not os.path.exists(
os.path.join(mdir_path, tc)):
os.mkdir(os.path.join(mdir_path, tc))
readme_path = os.path.join(mdir_path, 'README')
if not os.path.exists(readme_path):
txt = prt.message('readme-modules', [
os.path.join(dir_path, 'modules', 'mdir'),
os.path.join(dir_path, 'modules')
],
prt=False)
open(readme_path, 'w').write(txt)
if not os.path.exists('models'):
os.mkdir(os.path.join('models'))
model_dirs = next(os.walk(os.path.join(dir_path, 'models')))[1]
for mdir in model_dirs:
if mdir.startswith('__'):
continue
mdir_path = os.path.join('models', mdir)
if not os.path.exists(mdir_path):
os.mkdir(mdir_path)
model_files = next(
os.walk(os.path.join(dir_path, 'models', mdir)))[2]
readme_path = os.path.join(mdir_path, 'README')
if not os.path.exists(readme_path):
txt = prt.message('readme-models', [
os.path.join(dir_path, 'models', mdir),
os.path.join(dir_path, 'models')
],
prt=False)
with open(readme_path, 'w') as f:
f.write(txt)
for mfil in model_files:
if 'parameters.json' not in mfil:
continue
fil_path = os.path.join(mdir_path, mfil)
if os.path.isfile(fil_path) and not fc:
continue
shutil.copy(os.path.join(dir_path, 'models', mdir, mfil),
os.path.join(fil_path))
# Set some default values that we checked above.
if args.frack_step == 0:
args.fracking = False
elif args.frack_step is None:
args.frack_step = 50
if args.burn is None and args.post_burn is None:
args.burn = int(np.floor(args.iterations / 2))
if args.draw_above_likelihood is None:
args.draw_above_likelihood = False
if args.maximum_memory is None:
args.maximum_memory = np.inf
if args.gibbs is None:
args.gibbs = False
if args.save_full_chain is None:
args.save_full_chain = False
if args.num_temps is None:
args.num_temps = 1
if args.walker_paths is None:
args.walker_paths = []
# Then, fit the listed events with the listed models.
fitargs = vars(args)
Fitter(**fitargs).fit_events(**fitargs)
def get_parser(only=None, printer=None):
"""Retrieve MOSFiT's `argparse.ArgumentParser` object."""
prt = Printer() if printer is None else printer
parser = argparse.ArgumentParser(
prog='mosfit',
description='Fit astrophysical transients.',
formatter_class=SortingHelpFormatter,
add_help=only is None)
parser.add_argument('--language',
dest='language',
type=str,
const='select',
default='en',
nargs='?',
help=("Language for output text."))
if only == 'language':
return parser
parser.add_argument('--events',
'-e',
dest='events',
default=[],
nargs='+',
help=prt.text('parser_events'))
parser.add_argument('--models',
'-m',
dest='models',
default=[],
nargs='?',
help=prt.text('parser_models'))
parser.add_argument('--parameter-paths',
'-P',
dest='parameter_paths',
default=['parameters.json'],
nargs='+',
help=prt.text('parser_parameter_paths'))
parser.add_argument('--walker-paths',
'-w',
dest='walker_paths',
nargs='+',
help=prt.text('parser_walker_paths'))
parser.add_argument('--max-time',
dest='max_time',
type=float,
default=1000.,
help=prt.text('parser_max_time'))
parser.add_argument('--limiting-magnitude',
'-l',
dest='limiting_magnitude',
default=None,
nargs='+',
help=prt.text('parser_limiting_magnitude'))
parser.add_argument('--prefer-fluxes',
dest='prefer_fluxes',
default=False,
action='store_true',
help=prt.text('parser_prefer_fluxes'))
parser.add_argument('--time-list',
'--extra-times',
dest='time_list',
default=[],
nargs='+',
help=prt.text('parser_time_list'))
parser.add_argument('--extra-dates',
dest='date_list',
default=[],
nargs='+',
help=prt.text('parser_time_list'))
parser.add_argument('--extra-mjds',
dest='mjd_list',
default=[],
nargs='+',
help=prt.text('parser_time_list'))
parser.add_argument('--extra-jds',
dest='jd_list',
default=[],
nargs='+',
help=prt.text('parser_time_list'))
parser.add_argument('--extra-phases',
dest='phase_list',
default=[],
nargs='+',
help=prt.text('parser_time_list'))
parser.add_argument('--band-list',
'--extra-bands',
dest='band_list',
default=[],
nargs='+',
help=prt.text('parser_band_list'))
parser.add_argument('--band-systems',
'--extra-systems',
dest='band_systems',
default=[],
nargs='+',
help=prt.text('parser_band_systems'))
parser.add_argument('--band-instruments',
'--extra-instruments',
dest='band_instruments',
default=[],
nargs='+',
help=prt.text('parser_band_instruments'))
parser.add_argument('--band-bandsets',
'--extra-bandsets',
dest='band_bandsets',
default=[],
nargs='+',
help=prt.text('parser_band_bandsets'))
parser.add_argument('--band-sampling-points',
dest='band_sampling_points',
type=int,
default=17,
help=prt.text('parser_band_sampling_points'))
parser.add_argument('--exclude-bands',
dest='exclude_bands',
default=[],
nargs='+',
help=prt.text('parser_exclude_bands'))
parser.add_argument('--exclude-instruments',
dest='exclude_instruments',
default=[],
nargs='+',
help=prt.text('parser_exclude_instruments'))
parser.add_argument('--exclude-systems',
dest='exclude_systems',
default=[],
nargs='+',
help=prt.text('parser_exclude_systems'))
parser.add_argument('--exclude-sources',
dest='exclude_sources',
default=[],
nargs='+',
help=prt.text('parser_exclude_sources'))
parser.add_argument('--exclude-kinds',
dest='exclude_kinds',
default=[],
nargs='+',
help=prt.text('parser_exclude_kinds'))
parser.add_argument('--fix-parameters',
'-F',
dest='user_fixed_parameters',
default=[],
nargs='+',
help=prt.text('parser_user_fixed_parameters'))
parser.add_argument('--iterations',
'-i',
dest='iterations',
type=int,
const=0,
default=-1,
nargs='?',
help=prt.text('parser_iterations'))
parser.add_argument('--generative',
'-G',
dest='generative',
default=False,
action='store_true',
help=prt.text('parser_generative'))
parser.add_argument('--smooth-times',
'--plot-points',
'-S',
dest='smooth_times',
type=int,
const=0,
default=21,
nargs='?',
action='store',
help=prt.text('parser_smooth_times'))
parser.add_argument('--extrapolate-time',
'-E',
dest='extrapolate_time',
type=float,
default=0.0,
nargs='*',
help=prt.text('parser_extrapolate_time'))
parser.add_argument('--limit-fitting-mjds',
'-L',
dest='limit_fitting_mjds',
type=float,
default=False,
nargs=2,
help=prt.text('parser_limit_fitting_mjds'))
parser.add_argument('--output-path',
'-o',
dest='output_path',
default='',
help=prt.text('parser_output_path'))
parser.add_argument('--suffix',
'-s',
dest='suffix',
default='',
help=prt.text('parser_suffix'))
parser.add_argument('--num-walkers',
'-N',
dest='num_walkers',
type=int,
default=None,
help=prt.text('parser_num_walkers'))
parser.add_argument('--num-temps',
'-T',
dest='num_temps',
type=int,
help=prt.text('parser_num_temps'))
parser.add_argument('--no-fracking',
dest='fracking',
default=True,
action='store_false',
help=prt.text('parser_fracking'))
parser.add_argument('--no-write',
dest='write',
default=True,
action='store_false',
help=prt.text('parser_write'))
parser.add_argument('--quiet',
dest='quiet',
default=False,
action='store_true',
help=prt.text('parser_quiet'))
parser.add_argument('--cuda',
dest='cuda',
default=False,
action='store_true',
help=prt.text('parser_cuda'))
parser.add_argument('--no-copy-at-launch',
dest='copy',
default=True,
action='store_false',
help=prt.text('parser_copy'))
parser.add_argument('--force-copy-at-launch',
dest='force_copy',
default=False,
action='store_true',
help=prt.text('parser_force_copy'))
parser.add_argument('--offline',
dest='offline',
default=False,
action='store_true',
help=prt.text('parser_offline'))
parser.add_argument('--prefer-cache',
dest='prefer_cache',
default=False,
action='store_true',
help=prt.text('parser_prefer_cache'))
parser.add_argument('--frack-step',
'-f',
dest='frack_step',
type=int,
help=prt.text('parser_frack_step'))
parser.add_argument('--burn',
'-b',
dest='burn',
type=int,
help=prt.text('parser_burn'))
parser.add_argument('--post-burn',
'-p',
dest='post_burn',
type=int,
help=prt.text('parser_post_burn'))
parser.add_argument('--upload',
'-u',
dest='upload',
default=False,
action='store_true',
help=prt.text('parser_upload'))
parser.add_argument('--run-until-converged',
'-R',
dest='run_until_converged',
type=float,
default=False,
const=True,
nargs='?',
help=prt.text('parser_run_until_converged'))
parser.add_argument('--run-until-uncorrelated',
'-U',
dest='run_until_uncorrelated',
type=int,
default=None,
const=5,
nargs='?',
help=prt.text('parser_run_until_uncorrelated'))
parser.add_argument('--maximum-walltime',
'-W',
dest='maximum_walltime',
type=float,
default=False,
help=prt.text('parser_maximum_walltime'))
parser.add_argument('--maximum-memory',
'-M',
dest='maximum_memory',
type=float,
help=prt.text('parser_maximum_memory'))
parser.add_argument('--seed',
dest='seed',
type=int,
help=prt.text('parser_seed'))
parser.add_argument('--draw-above-likelihood',
'-d',
dest='draw_above_likelihood',
type=float,
const=True,
nargs='?',
help=prt.text('parser_draw_above_likelihood'))
parser.add_argument('--gibbs',
'-g',
dest='gibbs',
action='store_const',
const=True,
help=prt.text('parser_gibbs'))
parser.add_argument('--save-full-chain',
'-c',
dest='save_full_chain',
action='store_const',
const=True,
help=prt.text('parser_save_full_chain'))
parser.add_argument('--print-trees',
dest='print_trees',
default=False,
action='store_true',
help=prt.text('parser_print_trees'))
parser.add_argument('--set-upload-token',
dest='set_upload_token',
const=True,
default=False,
nargs='?',
help=prt.text('parser_set_upload_token'))
parser.add_argument('--ignore-upload-quality',
dest='check_upload_quality',
default=True,
action='store_false',
help=prt.text('parser_check_upload_quality'))
parser.add_argument('--test',
dest='test',
default=False,
action='store_true',
help=prt.text('parser_test'))
parser.add_argument('--variance-for-each',
dest='variance_for_each',
default=[],
nargs='+',
help=prt.text('parser_variance_for_each'))
parser.add_argument('--speak',
dest='speak',
const='en',
default=False,
nargs='?',
help=prt.text('parser_speak'))
parser.add_argument('--version',
dest='version',
default=False,
action='store_true',
help=prt.text('parser_version'))
parser.add_argument('--extra-outputs',
'-x',
dest='extra_outputs',
default=[],
nargs='+',
help=prt.text('parser_extra_outputs'))
parser.add_argument('--catalogs',
'-C',
dest='catalogs',
default=[],
nargs='+',
help=prt.text('parser_catalogs'))
parser.add_argument('--open-in-browser',
'-O',
dest='open_in_browser',
default=False,
action='store_true',
help=prt.text('parser_open_in_browser'))
parser.add_argument('--exit-on-prompt',
dest='exit_on_prompt',
default=False,
action='store_true',
help=prt.text('parser_exit_on_prompt'))
parser.add_argument('--download-recommended-data',
dest='download_recommended_data',
default=False,
action='store_true',
help=prt.text('parser_download_recommended_data'))
parser.add_argument('--local-data-only',
dest='local_data_only',
default=False,
action='store_true',
help=prt.text('parser_local_data_only'))
parser.add_argument('--method',
'-D',
dest='method',
type=str,
const='select',
default='ensembler',
nargs='?',
help=prt.text('parser_method'))
return parser