iolib.py 文件源码

def getfile(url, outdir=None):
    """Function to fetch files using urllib

    Works with ftp

    """
    fn = os.path.split(url)[-1]
    if outdir is not None:
        fn = os.path.join(outdir, fn)
    if not os.path.exists(fn):
        #Find appropriate urlretrieve for Python 2 and 3
        try:
            from urllib.request import urlretrieve
        except ImportError:
            from urllib import urlretrieve 
        print("Retrieving: %s" % url)
        #Add progress bar
        urlretrieve(url, fn)
    return fn

#Function to get files using requests
#Works with https authentication