grasp.py 文件源码

def sniff(url, *args, **kwargs):
    """ Returns the media type for the given URL.
    """
    return request(url, *args, **kwargs).headers.get('Content-Type', '').split(";")[0]

# print(sniff('http://www.textgain.com')) # 'text/html'

# Clear cache from 7+ days ago:

# t = time.time() - 7 * 24 * 60 * 60 
# for f in glob.glob(cd(CACHE, '*')):
#     if os.stat(f).st_ctime < t:
#         os.remove(f)

#---- SEARCH --------------------------------------------------------------------------------------
# The Bing Search API grants 5,000 free requests per month.
# The Google Search API grants 100 free requests per day.