def __init__(self,
q=None,
max_results=20,
author=None,
orderby='published',
videos_json=None,
youtube_id_url=None,
limit_time='all_time'):
"""
perform search on youtube
parameters:
q: (string) the query to search for
max_results: (int) maximum number of results to return
author: (string) limit to videos uploaded by this youtube user
orderby: (string) how to order the videos, possible values:
relevance, published, viewCount, rating
limit_time: (string) limit to videos uploaded in a certain timeframe
possible values: today, this_week, this_month, all_time
"""
self.videos = []
if videos_json is None and youtube_id_url is not None:
videos_json = urllib.urlopen(youtube_id_url + '?alt=json').read()
if videos_json is None and q is not None:
params = {
'q': q,
'max-results': max_results,
'alt': 'json',
'orderby': orderby
}
if author is not None: params['author'] = author
if limit_time is not None: params['time'] = limit_time
url = build_url(self.GDATA_YOUTUBE_VIDEOS_URL, params)
videos_json = urllib.urlopen(url).read()
if videos_json is not None and len(videos_json) > 0:
try:
videos_json = videos_json[videos_json.
find('{'):videos_json.rfind('}') + 1]
yvideos = json.loads(videos_json)
except:
print "youtube_id_url="
print youtube_id_url
print "url"
print url
print "videos_json="
print videos_json
raise
yentries = parse_dict(yvideos, {'feed': 'entry'})
if yentries is None:
yentry = parse_dict(yvideos, 'entry')
if yentry is None:
yentries = []
else:
yentries = [yentry]
for yentry in yentries:
video = self._parse_youtube_entry(yentry)
self.videos.append(video)
def __init__(
self,q=None,max_results=20,author=None,orderby='published',
videos_json=None,youtube_id_url=None,
limit_time='all_time'
):
"""
perform search on youtube
parameters:
q: (string) the query to search for
max_results: (int) maximum number of results to return
author: (string) limit to videos uploaded by this youtube user
orderby: (string) how to order the videos, possible values:
relevance, published, viewCount, rating
limit_time: (string) limit to videos uploaded in a certain timeframe
possible values: today, this_week, this_month, all_time
"""
self.videos=[]
if videos_json is None and youtube_id_url is not None:
videos_json=urllib.urlopen(youtube_id_url+'?alt=json').read()
if videos_json is None and q is not None:
params={
'q':q,
'max-results':max_results,
'alt':'json',
'orderby':orderby
}
if author is not None: params['author']=author
if limit_time is not None: params['time']=limit_time
url=build_url(self.GDATA_YOUTUBE_VIDEOS_URL,params)
videos_json=urllib.urlopen(url).read()
if videos_json is not None and len(videos_json)>0:
try:
videos_json=videos_json[videos_json.find('{'):videos_json.rfind('}')+1]
yvideos=json.loads(videos_json)
except:
print "youtube_id_url="
print youtube_id_url
print "url"
print url
print "videos_json="
print videos_json
raise
yentries=parse_dict(yvideos,{'feed':'entry'})
if yentries is None:
yentry=parse_dict(yvideos,'entry')
if yentry is None:
yentries=[]
else:
yentries=[yentry]
for yentry in yentries:
video=self._parse_youtube_entry(yentry)
self.videos.append(video)
def testParseDict(self):
self.assertEqual(parse_dict('xxx', 'yyy'), None)
self.assertEqual(parse_dict('xxx', 'yyy', default='a'), 'a')
h = {'id': {'$t': 'test', 'type': 'text'}, 'tmp': 'xxx', 'none': None}
self.assertEqual(parse_dict(h, 'yyy', validate=['z']), None)
self.assertEqual(parse_dict(h, 'yyy', validate=['id']), None)
self.assertEqual(parse_dict(h, 'yyy', validate=['xxx']), None)
self.assertEqual(parse_dict(h, 'tmp', validate=['id']), 'xxx')
self.assertEqual(parse_dict(h, {'id': '$t2'}), None)
self.assertEqual(parse_dict(h, {'id': '$t'}), 'test')
def testParseDict(self):
self.assertEqual(parse_dict('xxx','yyy'),None)
self.assertEqual(parse_dict('xxx','yyy',default='a'),'a')
h={'id':{'$t':'test','type':'text'},'tmp':'xxx','none':None}
self.assertEqual(parse_dict(h,'yyy',validate=['z']),None)
self.assertEqual(parse_dict(h,'yyy',validate=['id']),None)
self.assertEqual(parse_dict(h,'yyy',validate=['xxx']),None)
self.assertEqual(parse_dict(h,'tmp',validate=['id']),'xxx')
self.assertEqual(parse_dict(h,{'id':'$t2'}),None)
self.assertEqual(parse_dict(h,{'id':'$t'}),'test')
def _parse_youtube_entry(self, yentry):
video = {
'id':
parse_dict(yentry, {'id': '$t'}),
'title':
parse_dict(yentry, {'title': '$t'},
validate={'title': {
'type': 'text'
}}),
'description':
parse_dict(yentry, {'content': '$t'},
validate={'content': {
'type': 'text'
}}),
}
published = parse_dict(yentry, {'published': '$t'})
if published is not None:
video['published'] = dateutil.parser.parse(published)
yauthors = parse_dict(yentry, 'author', default=[])
if len(yauthors) > 0:
yauthor = yauthors[0]
video['author'] = parse_dict(yauthor, {'name': '$t'})
ylinks = parse_dict(yentry, 'link', default=[])
for ylink in ylinks:
link = parse_dict(ylink,
'href',
validate={
'type': 'text/html',
'rel': 'alternate'
})
if link is not None:
video['link'] = link
ymediaGroup = parse_dict(yentry, 'media$group', default={})
ymediaContents = parse_dict(ymediaGroup, 'media$content', default=[])
for ymediaContent in ymediaContents:
embed_url = parse_dict(ymediaContent,
'url',
validate={'isDefault': 'true'})
if embed_url is not None:
video['embed_url'] = embed_url
video['embed_url_autoplay'] = embed_url + '&autoplay=1'
ymediaThumbnails = parse_dict(ymediaGroup,
'media$thumbnail',
default=[])
if len(ymediaThumbnails) > 0:
ymediaThumbnail = ymediaThumbnails[0]
video['thumbnail480x360'] = parse_dict(ymediaThumbnail, 'url')
if len(ymediaThumbnails) > 1:
ymediaThumbnail = ymediaThumbnails[1]
video['thumbnail90x120'] = parse_dict(ymediaThumbnail, 'url')
return video
def _parse_youtube_entry(self,yentry):
video={
'id':parse_dict(yentry,{'id':'$t'}),
'title':parse_dict(yentry,{'title':'$t'},validate={'title':{'type':'text'}}),
'description':parse_dict(yentry,{'content':'$t'},validate={'content':{'type':'text'}}),
}
published=parse_dict(yentry,{'published':'$t'})
if published is not None:
video['published']=dateutil.parser.parse(published)
yauthors=parse_dict(yentry,'author',default=[])
if len(yauthors)>0:
yauthor=yauthors[0]
video['author']=parse_dict(yauthor,{'name':'$t'})
ylinks=parse_dict(yentry,'link',default=[])
for ylink in ylinks:
link=parse_dict(ylink,'href',validate={'type':'text/html','rel':'alternate'})
if link is not None:
video['link']=link
ymediaGroup=parse_dict(yentry,'media$group',default={})
ymediaContents=parse_dict(ymediaGroup,'media$content',default=[])
for ymediaContent in ymediaContents:
embed_url=parse_dict(ymediaContent,'url',validate={'isDefault':'true'})
if embed_url is not None:
video['embed_url']=embed_url
video['embed_url_autoplay']=embed_url+'&autoplay=1'
ymediaThumbnails=parse_dict(ymediaGroup,'media$thumbnail',default=[])
if len(ymediaThumbnails)>0:
ymediaThumbnail=ymediaThumbnails[0]
video['thumbnail480x360']=parse_dict(ymediaThumbnail,'url')
if len(ymediaThumbnails)>1:
ymediaThumbnail=ymediaThumbnails[1]
video['thumbnail90x120']=parse_dict(ymediaThumbnail,'url')
return video