old_contents: import shutil
  import os
  import sys
  from tqdm import tqdm
  from urllib.request import urlretrieve
  import argparse
  
  
  def tqdm_hook(t):
      last_b = [0]
  
      def inner(b=1, bsize=1, tsize=None):
          if tsize is not None:
              t.total = tsize
          t.update((b - last_b[0]) * bsize)
          last_b[0] = b
  
      return inner
  
  
  def download(args):
      base_dir = args.temp_directory
      if not args.temp_directory:
          base_dir = os.path.dirname(os.path.abspath(__file__))
      os.makedirs(base_dir, exist_ok=True)
      if sys.platform == 'darwin':
          plat = 'macosx'
      elif sys.platform == 'win32':
          plat = 'win'
      else:
          plat = 'linux'
      print('Downloading precompiled binaries for {}...'.format(plat))
  
      download_link = 'http://mlmlab.org/mfa/precompiled_binaries/{}.zip'.format(
          plat)
      path = os.path.join(base_dir, '{}.zip'.format(plat))
      if not os.path.exists(path):
          with tqdm(unit='B', unit_scale=True, miniters=1) as t:
              filename, headers = urlretrieve(download_link, path, reporthook=tqdm_hook(t), data=None)
          shutil.unpack_archive(filename, base_dir)
      if not args.keep:
          os.remove(path)
      if plat != 'win':
          import stat
          bin_dir = os.path.join(base_dir, 'bin')
          for f in os.listdir(bin_dir):
              if '.' in f:
                  continue
              os.chmod(os.path.join(bin_dir, f), stat.S_IEXEC | stat.S_IWUSR | stat.S_IRUSR)
      return True
  
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser()
      parser.add_argument('temp_directory', nargs='?', default='', help='Full path to the directory to save to')
      parser.add_argument('--keep', action='store_true')
      args = parser.parse_args()
      download(args)
  
new_contents: import shutil
  import os
  import sys
  from tqdm import tqdm
  from urllib.request import urlretrieve
  import argparse
  
  
  def tqdm_hook(t):
      last_b = [0]
  
      def inner(b=1, bsize=1, tsize=None):
          if tsize is not None:
              t.total = tsize
          t.update((b - last_b[0]) * bsize)
          last_b[0] = b
  
      return inner
  
  
  def download(args):
      base_dir = os.path.dirname(os.path.abspath(__file__))
      temp_dir = args.temp_directory
      if not args.temp_directory:
          temp_dir = base_dir
      os.makedirs(base_dir, exist_ok=True)
      if sys.platform == 'darwin':
          plat = 'macosx'
      elif sys.platform == 'win32':
          plat = 'win'
      else:
          plat = 'linux'
      print('Downloading precompiled binaries for {}...'.format(plat))
  
      download_link = 'http://mlmlab.org/mfa/precompiled_binaries/{}.zip'.format(
          plat)
      path = os.path.join(temp_dir, '{}.zip'.format(plat))
      if not os.path.exists(path):
          with tqdm(unit='B', unit_scale=True, miniters=1) as t:
              filename, headers = urlretrieve(download_link, path, reporthook=tqdm_hook(t), data=None)
      shutil.unpack_archive(path, base_dir)
      if not args.keep:
          os.remove(path)
      if plat != 'win':
          import stat
          bin_dir = os.path.join(base_dir, 'bin')
          for f in os.listdir(bin_dir):
              if '.' in f:
                  continue
              os.chmod(os.path.join(bin_dir, f), stat.S_IEXEC | stat.S_IWUSR | stat.S_IRUSR)
      return True
  
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser()
      parser.add_argument('temp_directory', nargs='?', default='', help='Full path to the directory to save to')
      parser.add_argument('--keep', action='store_true')
      args = parser.parse_args()
      download(args)
  
subject: Update binaries script