youtube.py

#

# Includes

#

from urllib.request import urlopen

import re



#

# Exceptions

#

class YoutubeException(Exception): pass



#

# Regex

#

def tag_regex_construct(tag):

    return re.compile(r"<%s ?[^>]*>(.*?)</%s>" %(tag, tag), re.IGNORECASE | re.DOTALL )



title_re = tag_regex_construct("title")

desc_re  = tag_regex_construct("content")

auth_re  = tag_regex_construct("name")



#

# Video class

#

class Video:

    def __init__(self, vid, update = True):

        self.vid = vid

        if(update): self.update()



    def update(self):

        resp = urlopen(self.get_api_link())

        if(resp):

            data = resp.read().decode()

            self.title = title_re.search(data).group(1)

            try:

                self.desc = desc_re.search(data).group(1)

            except:

                self.desc = "No description avaiable."

            self.auth = auth_re.search(data).group(1)

        else:

            raise YoutubeException("video id seems invalid")



    def get_api_link(self):

        return "http://gdata.youtube.com/feeds/api/videos/%s" %(self.vid)



    def get_id(self):

        return self.vid



    def get_title(self):

        return self.title



    def get_desc(self):

        return self.desc



    def get_auth(self):

        return self.auth