code: def build(cls, path):
          
          with zipfile.ZipFile(path) as zfile:
              items = (
                  (
                      name.replace('/', os.sep),
                      zfile.getinfo(name),
                  )
                  for name in zfile.namelist()
              )
              return dict(items)
docs: Build a dictionary similar to the zipimport directory
          caches, except instead of tuples, store ZipInfo objects.
  
          Use a platform-specific path separator (os.sep) for the path keys
          for compatibility with pypy on Windows.