django-embed-video/embed_video/base.py

112 lines
3.3 KiB
Python

import re
import urlparse
import requests
import json
DETECT_YOUTUBE = re.compile(
# r'^(http(s)?://(www\.)?)?youtu(\.?)be(\.com)?.*', re.I
r'(?:www.|)?youtu(\.?)be(\.com)?.*', re.I
)
DETECT_VIMEO = re.compile(
r'^(http(s)?://(www\.)?)?vimeo\.com.*', re.I
)
DETECT_SOUNDCLOUD = re.compile(
r'^(http(s)?://(www\.)?)?soundcloud\.com.*', re.I
)
class UnknownBackendException(Exception):
pass
class NoIdFound(Exception):
pass
def detect_backend(url):
if DETECT_YOUTUBE.search(url):
return YoutubeBackend(url)
elif DETECT_VIMEO.match(url):
return VimeoBackend(url)
elif DETECT_SOUNDCLOUD.match(url):
return SoundCloundBackend(url)
else:
raise UnknownBackendException
class VideoBackend(object):
def __init__(self, url):
self._url = url
self.code = self.get_code()
self.url = self.get_url()
self.thumbnail = self.get_thumbnail_url()
def get_code(self):
match = self.re_code.search(self._url)
if match:
return match.group('code')
else:
parse_data = urlparse.urlparse(self._url)
try:
return urlparse.parse_qs(parse_data.query)['v'][0]
except KeyError:
pass
raise NoIdFound
def get_url(self):
return self.pattern_url % self.code
def get_thumbnail_url(self):
return self.pattern_thumbnail_url % self.code
class SoundCloundBackend(VideoBackend):
base_url = 'http://soundcloud.com/oembed'
re_code = re.compile(r'src=".*%2F(?P<code>\d+)&show_artwork.*"', re.I)
re_url = re.compile(r'src="(?P<url>.*?)"', re.I)
def __init__(self, url):
params = {
'format': 'json',
'url': url,
}
r = requests.get(self.base_url, data=params)
self.response = json.loads(r.text)
self.width = self.response.get('width')
self.height = self.response.get('height')
super(SoundCloundBackend, self).__init__(url)
def get_thumbnail_url(self):
return self.response.get('thumbnail_url')
def get_url(self):
match = self.re_url.search(self.response.get('html'))
return match.group('url')
def get_code(self):
match = self.re_code.search(self.response.get('html'))
return match.group('code')
class YoutubeBackend(VideoBackend):
re_code = re.compile(
r'(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))(?P<code>[\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*',
# r'(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))(?P<code>[\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*',
# r'youtu(?:be\.com/watch\?v=|\.be/)(?P<code>[\w-]*)(&(amp;)?[\w\?=]*)?',
re.I
)
pattern_url = 'http://www.youtube.com/embed/%s?wmode=opaque'
pattern_thumbnail_url = 'http://img.youtube.com/vi/%s/hqdefault.jpg'
class VimeoBackend(VideoBackend):
re_code = re.compile(r'vimeo\.com/(?P<code>[0-9]+)', re.I)
pattern_url = 'http://player.vimeo.com/video/%s'
def get_thumbnail_url(self):
pass # not implemented