cxccat.py 文件源码

def download_file(url, path, overwrite=False):
    local_filename = url.split('/')[-1]
    # NOTE the stream=True parameter
    local_path = os.path.join(path, local_filename)
    if os.path.isfile(local_path) and not overwrite:
        return local_path
    r = requests.get(url, stream=True)
    with open(local_path, 'wb') as f:
        for chunk in r.iter_content(chunk_size=1024): 
            if chunk: # filter out keep-alive new chunks
                f.write(chunk)
                #f.flush() commented by recommendation from J.F.Sebastian
    return local_path