python使用urllib2模块获取gravatar头像实例


            Gravatar注册地址: http://en.gravatar.com/

复制代码 代码如下:"""`Gravatar <http://en.gravatar.com/site/implement/>`_"""

# import code for encoding urls and generating md5 hashesimport urllib2, hashlib

# Make response slow if verify whether default avatar or not.# So let js do it, see `/static/js/article.js`.def gravatar_url(email, size=40, verify_default=False):    """Construct the gravatar url."""    gravatar_url = ''.join(['http://www.gravatar.com/avatar/',        hashlib.md5(email.lower()).hexdigest(), '?s=%d' % size])    # if default return None    if (verify_default):        gravatar_url += '&d=404'        try:            urllib2.urlopen(gravatar_url)        except urllib2.URLError, e:            return None    return gravatar_url

if __name__ == '__main__':    import webbrowser as wb    for email in ['xxx@gmail.com']:        url = gravatar_url(email)        print(url)        if url:            wb.open(url)