生成指定大小的文件，如：字典类型，json类型，整型等

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# -*- coding:utf-8 -*- # 生成指定大小文件 import json import os import random import numpy as np   # 生成指定大小的文件 def genSizeFile(filename, filesize):     file_path = "Data" +filename + ".txt"     ds = 0     with open(file_path, "w") as f:         while ds < filesize:             f.write(str(round(random.uniform(-1000, 1000),2)))             f.write("\n")             ds = os.path.getsize(file_path)     print(ds)     # 生成指定数量 def genNfile(fileNum):     numCount = fileNum     numRange = 3*numCount       tmpList = random.sample(range(numRange), numCount)     print(tmpList)     i = 0     filePath = "" + str(numCount) + ".txt"     with open(filePath, "w") as f:         while i < numCount:             f.write(str(tmpList[i]))             f.write("\n")             i += 1     ds = os.path.getsize(filePath)     print(ds)     # 查看文件记录数 def countLine(thefilepath):     count = 0     with open(thefilepath, 'rb') as thefile:         while True:             buffer = thefile.read(100*1024*1024)             if not buffer:                 break             count += str(buffer).count("\n")     print(count)     def genJsonFileSize(KB):     dic = {"power_switch": True,            "color": 2,            "message": "mece",            "low_voltage": 24.6,            "time": "202205111006"            }       flag = 0     size = 0     dic_json = {}     while size < KB * 1024:         for i in dic.keys():             dic.update({i + str(flag): dic[i]})         dic_json = json.dumps(dic)      # 字典转json         with open('./data.json', 'w') as f:             f.write(dic_json)         size = os.path.getsize('./data.json')         flag += 1     print(dic_json)     size_KB1 = size / 1024     size_KB2 = size % 1024     size = str(size_KB1) + '.' + str(size_KB2)     print('dicsize:', size)     return dic     # 此处 传入的dic是作为str类型传入的 def join_json_file(dic):     json_content = json.dumps({         "type": "update",         "version": 0,         "state": {             "reported": dic,         },         "clientToken": "client_token2"     })       with open('./json_data.json', 'w') as f:         f.write(str(json_content))     size = os.path.getsize('./json_data.json')     size_KB1 = size / 1024     size_KB2 = size % 1024     size = str(size_KB1) + '.' + str(size_KB2)     print('jsonsize:', size)   if __name__ == '__main__':     #dic = genJsonFileSize(10)    # join_json_file(dic)     with open('./adjust.json', 'r') as f:         content = f.read()     print('content', len(content))     size = os.path.getsize('./adjust.json')     size_KB1 = size / 1024     size_KB2 = size % 1024     size = str(size_KB1) + '.' + str(size_KB2)     print('jsonsize:', size)