stupid parser

parser.py

import re

NUM_REGEXP = "[0-9]+\.?[0-9]*"


def parse_data(input_file):
    with open(input_file, 'r') as fb:
        num = parse_single_number(fb)
        matrix = parse_matrix(fb, cast=float)
        fb.readline()
        loc_min = parse_vector(fb)
        fb.readline()
        loc_max = parse_vector(fb)
        fb.readline()
        loc_duration = parse_vector(fb)

        return (num, matrix, loc_min, loc_max, loc_duration)


def parse_single_number(fb, cast=int):
    return parse_vector(fb, cast)[0]


def parse_vector(fb, cast=int):
    v = re.findall(NUM_REGEXP, fb.readline())
    return list(map(cast, v))


def parse_matrix(fb, cast=int):
    matrix = []
    v = []
    while len(v) == 0:
        v = parse_vector(fb, cast)

    while len(v) != 0:
        matrix.append(v)
        v = parse_vector(fb, cast)
    return matrix