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fit_command.py

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fit Command: Example and Test

import sys
import os
import copy
import subprocess
# ---------------------------------------------------------------------------
# check execution is from distribution directory
example = 'example/get_started/fit_command.py'
if sys.argv[0] != example  or len(sys.argv) != 1 :
    usage  = 'python3 ' + example + '\n'
    usage += 'where python3 is the python 3 program on your system\n'
    usage += 'and working directory is the dismod_at distribution directory\n'
    sys.exit(usage)
#
# import dismod_at
local_dir = os.getcwd() + '/python'
if( os.path.isdir( local_dir + '/dismod_at' ) ) :
    sys.path.insert(0, local_dir)
import dismod_at
#
# import get_started_db example
sys.path.append( os.getcwd() + '/example/get_started' )
import get_started_db
#
# change into the build/example/get_started directory
if not os.path.exists('build/example/get_started') :
    os.makedirs('build/example/get_started')
os.chdir('build/example/get_started')
# ---------------------------------------------------------------------------
# create get_started.db
get_started_db.get_started_db()
# -----------------------------------------------------------------------
program        = '../../devel/dismod_at'
file_name      = 'get_started.db'
for command in [ 'init', 'fit' ] :
    cmd = [ program, file_name, command ]
    if command == 'fit' :
        variables = 'both'
        cmd.append(variables)
    print( ' '.join(cmd) )
    flag = subprocess.call( cmd )
    if flag != 0 :
        sys.exit('The dismod_at ' + command + ' command failed')
# -----------------------------------------------------------------------
# connect to database
connection = dismod_at.create_connection(
    file_name, new = False, readonly = True
)
# -----------------------------------------------------------------------
# get variable and fit_var tables
var_table       = dismod_at.get_table_dict(connection, 'var')
fit_var_table   = dismod_at.get_table_dict(connection, 'fit_var')
connection.close()
#
for var_id in range( len(var_table) ) :
    var_row     = var_table[var_id]
    fit_row     = fit_var_table[var_id]
    var_type    = var_row['var_type']
    if var_type == 'mulcov_rate_value' :
        income_multiplier = fit_row['fit_var_value']
        assert income_multiplier == -1e-3
    elif var_type == 'rate' :
        omega_world = fit_row['fit_var_value']
        assert abs( omega_world / 1e-2 - 1.0) < 1e-6
    else :
        assert False
# -----------------------------------------------------------------------
print('fit_command: OK')