Python Programming

import wave

from random import randint

def randomAudioFiles():
    # array of filenames to return
    infiles = []
    count = 1

# creates list of 16 randomly chosen measures for the minuet
    while count < 17 :
        file = "waves/M" + str(count)
        rollOne = randint(1, 6)
        rollTwo = randint(1, 6)
        rollTotal = rollOne + rollTwo
        file += "-" + str(rollTotal) + ".wav"
        infiles.append(file)
        count += 1

# creates list of 16 randomly chosen measures for the trio
    while count < 33 :
        file = "waves/T" + str(count)
        roll = randint(1, 6)
        file += "-" + str(roll) + ".wav"
        infiles.append(file)
        count += 1

    return infiles

def audioGenerator():
    # files to read in and file to output to
    infiles = randomAudioFiles();
    outfile = "dice.wav"

    # reads through each .wav file
    # gets the parameters and frames of each .wav file
    data = []
    for infile in infiles:
        w = wave.open(infile, 'rb')
        print(w.getparams())
        data.append([w.getparams(), w.readframes(w.getnframes())])
        w.close()

# writes to the outfile 
    # generates the combined .wav file and returns it
    output = wave.open(outfile, 'wb')
    output.setparams(data[0][0])
    for val in data:
        output.writeframes(val[1])
    output.close()
    #composition = wave.open("dice.wav");
    return infiles

from wordcloud import WordCloud
 
string = 'Importance of relative word frequencies for font-size.\
With relative_scaling=0, only word-ranks are considered. With \
relative_scaling=1, a word that is twice as frequent will have \
twice the size. If you want to consider the word frequencies \
and not only their rank, relative_scaling around .5 often looks good.'

font = r'C:\Windows\Fonts\Arial.TTF'
wc = WordCloud(font_path=font, # Chinese
               background_color='white',
               width=1000,
               height=800,
               ).generate(string)
wc.to_file('s1.png') # save figure

from matplotlib import pyplot as plt
plt.imshow(wc)  # show figure by plt
plt.axis('off') 
plt.show() 

from wordcloud import WordCloud
 
filename = 'Harry Potter.txt'
with open(filename, encoding="utf-8") as f_obj:
    contents = f_obj.read()

#font = r'C:\Windows\Fonts\Arial.TTF'
font = "/System/Library/Fonts/STHeiti Medium.ttc"
wc = WordCloud(font_path=font, 
               background_color='white',
               width=1000,
               height=800,
               ).generate(contents)
wc.to_file('s2.png') 

from wordcloud import WordCloud

filename = 'sanguo.txt'
with open(filename , encoding="utf-8") as f_obj:
    contents = f_obj.read()

#font = r'C:\Windows\Fonts\Arial.TTF'
font = "/System/Library/Fonts/STHeiti Medium.ttc"
wc = WordCloud(font_path=font, 
               background_color='white',
               width=1000,
               height=800,
               ).generate(contents)
wc.to_file('s3.png') 

from wordcloud import WordCloud
import jieba

filename = 'sanguo.txt'
with open(filename , encoding="utf-8") as f_obj:
    contents = f_obj.read()

s = jieba.lcut(contents) 
txt = " ".join(s)

#font = r'C:\Windows\Fonts\Arial.TTF'
font = "/System/Library/Fonts/STHeiti Medium.ttc"
wc = WordCloud(font_path=font, 
               background_color='white',
               width=1000,
               height=800,
               ).generate(txt)
wc.to_file('s4.png') 

from wordcloud import WordCloud
import jieba

filename = 'sanguo.txt'
with open(filename, encoding="utf-8") as f_obj:
    contents = f_obj.read()

def sw(filename):
    with open(filename, encoding="utf-8") as f_obj:
        x = f_obj.readlines()
    y = [word.strip() for word in x]
    return y

name_list = ['baidu_stopwords.txt', 'cn_stopwords.txt', 
             'hit_stopwords.txt','scu_stopwords.txt']

stop_word = []
for x in name_list:
    stop_word.extend(sw(x))
stop_word = list(set(stop_word))

s = jieba.lcut(contents) 
result = [word for word in s if word not in stop_word]
s = [word for word in result if len(word)>1]
txt = " ".join(s)

#font = r'C:\Windows\Fonts\Arial.TTF'
font = "/System/Library/Fonts/STHeiti Medium.ttc"
wc = WordCloud(font_path=font, 
               background_color='white',
               width=1000,
               height=800,
               ).generate(txt)
wc.to_file('s5.png') 

from moviepy.editor import *

clip = VideoFileClip("ultraman.flv")
clip = clip.subclip(0, 8) #剪切前8秒
clip.write_gif("video.gif") #保存为gif

import os
exist = os.path.exists('images')  # 判断是否存在文件夹
if not exist:
    os.mkdir('images')
else:
    pass

from PIL import Image
#将gif的每一帧保存为png图片到images文件夹

def get_imgs():
    gif = Image.open('video.gif')
    try:
        gif.save(f"images/{gif.tell()}.png")
        while True:
            gif.seek(gif.tell()+1)
            gif.save(f"images/{gif.tell()}.png")
    except Exception as e:
        print("finished")

get_imgs()

# 设置要用的ascii码
ASCII_CHAR = "$@B%8&WM#*oahkbdpqwmZO0QLaCJUYXzczjhdhsdavunxr \
jft/\|()1{}[]?-_+~<>i!lI;:,\"^`'."  

def rgb_to_ascii(r, g, b, alpha=256): 
    # 通过灰度值的映射
    # 将没一个rgb值对应成一个ascii符
    # 也就实现了rgb -> ascii

    # 当像素透明时，直接返回一个空白字符串
    if alpha == 0:
        return ' '
     
    length = len(ASCII_CHAR)
    gray = int(0.299 * r + 0.587 * g + 0.114 * b)
    # 灰度值和字符串的对应关系
    # 每个字符串对应灰度值的区间是
    unit = (256.0 + 1)/length
    # 找到灰度值所对应字符串的下标
    index = int(gray/unit)
    return ASCII_CHAR[index]

def image_to_ascii_chart(image):

    width, height = image.size
    text = ''
    for y in range(0,height,10):
        line = ''
        for x in range(0,width,5):
            # 找到对应位置的像素点
            dot = image.getpixel((x, y))
            line += rgb_to_ascii(*dot)
        text += line
        text += '\n'
    return text

# 每个图转化为字符串
files = os.listdir('images')
xxx = []
for i in range(0,len(files)):
    pic = Image.open(f'images/{i}.png').convert('RGB')
    xxx.append(image_to_ascii_chart(pic))

def Start():
    os.system("clear")
    print('Press any key...')
    input()
    os.system("clear")
    i=0
    print(xxx[i])
    c = input()
    while c != 'q':
        os.system("clear")
        print(xxx[i])
        c = input()
        i=i+1
    print('End')

Start()