Download apk file from APKPure.com

apkpure-dl.py

#!/usr/bin/env python
# -*- encoding: utf-8 -*-

__version__ = '1.0.0'

import re
import os
import sys
import argparse
import urllib
import urllib2
import urlparse

def download_file(url, directory, file_name):
    # create folder if not exists
    if not os.path.isdir(directory):
        os.mkdir(directory)
    # download code from http://stackoverflow.com/a/22776
    response = urllib2.urlopen(url)
    file = open(directory + '/' + file_name, 'wb')
    meta = response.info()
    file_size = int(meta.getheaders("Content-Length")[0])
    print "Downloading: %s (%s Bytes)" % (file_name, file_size)
    
    file_size_dl = 0
    block_sz = 8192
    while True:
        buffer = response.read(block_sz)
        if not buffer:
            break
    
        file_size_dl += len(buffer)
        file.write(buffer)
        status = r"%10d  [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
        status = status + chr(8)*(len(status)+1)
        print status,
    
    file.close()


def fetch_html(url, headers={}):
    req = urllib2.Request(url, None, headers)
    response = urllib2.urlopen(req)
    html = response.read()
    return html

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('app_id', help='the app id from google play')
    parser.add_argument('-d', '--dir', help='dir to store download files')
    parser.add_argument('-n', '--name', help='rename the apk file')
    parser.add_argument('-v', '--version', action='version', version='%(prog)s ' + __version__)
    args = parser.parse_args()
    # step 1: get app page html
    url = 'https://m.apkpure.com/store/apps/details?id=' + args.app_id
    html = fetch_html(url)
    # step 2: find download link, get file name
    download_link = re.search('https:\/\/download\.apkpure\.com[^"]*', html).group(0)
    query = urlparse.urlparse(download_link).query
    file_name = urlparse.parse_qs(query)['fn'][0]
    # step 3: prepare optional arguments
    directory = args.dir if args.dir else './apks'
    file_name = args.name if args.name else file_name
    # step 4: download it
    print 'Download link Found, prepare to download...'
    download_file(download_link, directory, file_name)

    
if __name__ == '__main__':
    main()