文字列をグラフ化

ソース

# -*- coding:utf-8 -*-

import hashlib
import re
import itertools
import numpy as np
import matplotlib.pyplot as plt


# グラフ化する文字列の数
UNIT_OF_SECTION = 5


def trans_to_nums(s):
    s = s.encode('UTF-8')
    m = hashlib.md5()
    m.update(s)
    h = m.hexdigest()
    # hは16進数32桁
    # 4桁づつ、リストにする。
    # https://stackoverflow.com/questions/13673060/split-string-into-strings-by-length
    nums = [ int(i, 16) for i in re.split('(.{4})', h)[1::2] ]
    return nums


def get_strings():
    strings = [
        'hoge1',
        'hoge2',
        'hoge3',
        'hoge4',
        'hoge5',
        'fuga1',
        'fuga2',
        'fuga3',
        'fuga4',
        'piyo1',
        'piyo2',
        'piyo3'
    ]
    return strings


def get_data():
    all_strings = get_strings()
    all_strings = itertools.zip_longest(*[iter(all_strings)]*UNIT_OF_SECTION)
    data = list()
    for section_strings in all_strings:
        section_data = list()
        for s in section_strings:
            if s:
                section_data.extend(trans_to_nums(s))
        data.append(section_data)
    return data


def output_graph(data):
    # https://stackoverflow.com/questions/24943991/change-grid-interval-and-specify-tick-labels-in-matplotlib
    for d in data:
        x, y = (range(len(d)), d)
        fig, ax = plt.subplots()
        major_xticks = np.arange(0, UNIT_OF_SECTION*8+1, 8)
        minor_xticks = np.arange(0, UNIT_OF_SECTION*8+1, 1)
        major_yticks = np.arange(0, 65535+1, (65535+1)/5)
        minor_yticks = np.arange(0, 65535+1, (65535+1)/5/5)

        ax.set_xticks(major_xticks)
        ax.set_xticks(minor_xticks, minor=True)
        ax.set_yticks(major_yticks)
        ax.set_yticks(minor_yticks, minor=True)

        ax.grid(which='both')
        ax.grid(which='minor', alpha=0.2)
        ax.grid(which='major', alpha=0.8)

        plt.plot(x, y)
        plt.xlim([0, UNIT_OF_SECTION*8])
        plt.ylim([0, 65535])
        plt.show()


def main():
    data = get_data()
    output_graph(data)


main()

アウトプット

1〜5個目までの文字列の画像化

　
6〜10個目までの文字列の画像化　

　
11〜13個目までの文字列の画像化