graphclust.py 文件源码

def pipe_unweighted_edgelist_to_convert(matrix, bin_filename):
    """ Pipe an unweighted edgelist (COO sparse matrix) to Louvain's convert utility """
    devnull = open(os.devnull, 'w')

    proc = subprocess.Popen([LOUVAIN_CONVERT_BINPATH,
                           '-i', '/dev/stdin',
                           '-o', bin_filename,
                         ], stdin=subprocess.PIPE, stdout=devnull, stderr=devnull)

    # Stream text triplets to 'convert'
    for ij in itertools.izip(matrix.row, matrix.col):
        proc.stdin.write('%d\t%d\n' % ij)

    proc.stdin.close()
    proc.wait()
    devnull.close()