load matrix from an ascii file into a numpy.matrix object.

loadmatrix.py

def load_matrix_from_file(f):
    """
    This function is to load an ascii format matrix (float numbers separated by
    whitespace characters and newlines) into a numpy matrix object.

    f is a file object or a file path.
    """

    import types
    import numpy

    if type(f) == types.StringType:
        fo = open(f, 'r')
        matrix = load_matrix_from_file(fo)
        fo.close()
        return matrix
    elif type(f) == types.FileType:
        file_content = f.read().strip()
        file_content = file_content.replace('\r\n', ';')
        file_content = file_content.replace('\n', ';')
        file_content = file_content.replace('\r', ';')

        return numpy.matrix(file_content)
    
    raise TypeError('f must be a file object or a file name.')