def search_view(request, q, max_results):
"""
在youtube上搜索关键字q，返回结果数设置为max_results
:param request:
:param q:
:param max_results:
:return:
"""
#youtube = get_authenticated_service(request.user)
youtube = get_authenticated_service_s2s()
search_response = youtube.search().list(q=q,
part="id,snippet",
maxResults=max_results).execute()
videos = []
channels = []
playlists = []
# Add each result to the appropriate list, and then display the lists of
# matching videos, channels, and playlists.
for search_result in search_response.get("items", []):
if search_result["id"]["kind"] == "youtube#video":
videos.append("%s (%s)" % (search_result["snippet"]["title"],
search_result["id"]["videoId"]))
elif search_result["id"]["kind"] == "youtube#channel":
channels.append("%s (%s)" % (search_result["snippet"]["title"],
search_result["id"]["channelId"]))
elif search_result["id"]["kind"] == "youtube#playlist":
playlists.append("%s (%s)" % (search_result["snippet"]["title"],
search_result["id"]["playlistId"]))
return render_to_response('result.html', {'list': videos})
def my_watchlater_lists_view(request, max_results):
"""
获取认证用户的watchlater列表
参考： https://developers.google.com/youtube/v3/docs/playlistItems/list#try-it
:param request:
:param max_results:
:return:
"""
#youtube = get_authenticated_service(request.user)
youtube = get_authenticated_service_s2s()
myproxy = httplib2.ProxyInfo(proxy_type=httplib2.socks.PROXY_TYPE_SOCKS5,
proxy_host='127.0.0.1',
proxy_port=8115)
myhttp = httplib2.Http(proxy_info=myproxy)
# Retrieve the contentDetails part of the channel resource for the
# authenticated user's channel.
# 通过channels查询认证用户的contentDetails里的relatedPlaylists的watchLater
channels_response = youtube.channels().list(
mine=True, part="contentDetails").execute(http=myhttp)
for channel in channels_response["items"]:
# From the API response, extract the playlist ID that identifies the
# list
# of videos uploaded to the authenticated user's channel.
watchLater_list_id = channel["contentDetails"]["relatedPlaylists"][
"watchLater"]
# Retrieve the list of watchLater videos in the authenticated user's
# channel.
# fields 的设置参考 https://developers.google.com/youtube/v3/getting
# -started#partial
playlistitems_list_request = youtube.playlistItems().list(
playlistId=watchLater_list_id,
part="snippet",
maxResults=max_results,
fields="items(id,snippet/title)")
# 参考 http://stackoverflow.com/a/31795605/1314124
res = playlistitems_list_request.execute()
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.playlistItems().list(
part="snippet",
playlistId=watchLater_list_id,
maxResults=max_results,
pageToken=nextPageToken).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
return render_to_response('result.html', {'list': res['items']})
def get_my_subscribe_channel_view(request):
"""
获取认证用户订阅的频道channel的信息
同一个google账号有两个用户名的，选择不同的用户名，返回的订阅信息也不一样
:param request:
:return:
"""
max_results = 10
#youtube = get_authenticated_service(request.user)
youtube = get_authenticated_service_s2s()
res = youtube.subscriptions().list(part='snippet',
mine=True,
maxResults=max_results).execute()
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.subscriptions().list(
part='snippet',
mine=True,
maxResults=max_results,
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
subscriptions_list = []
for result in res.get("items", []):
subscriptions_list.append(result['snippet'])
for subscription in subscriptions_list:
channel, created = YouTubeChannel.objects.update_or_create(
channel_id=subscription['resourceId']['channelId'],
defaults={'title': subscription['title'],
'description': subscription['description'],
'thumbnail': subscription['thumbnails']['default']['url']
}
)
return render_to_response('result.html',
{'list': subscriptions_list,
'text': res["pageInfo"]["totalResults"]})
def my_homepage_subscription_view(request, max_results):
"""
获取认证用户的youtube首页显示的订阅频道信息,显示出来，但是不保存
https://developers.google.com/youtube/v3/docs/activities/list#errors
:param request:
:return:
"""
#youtube = get_authenticated_service(request.user)
youtube = get_authenticated_service_s2s()
if youtube:
# 如果youtube.activities().list().execute(http=myhttp)使用以下代理则会提示错误:
# "Daily Limit for Unauthenticated Use Exceeded. Continued use
# requires signup."
# myproxy = httplib2.ProxyInfo(
# proxy_type=httplib2.socks.PROXY_TYPE_SOCKS5,
# proxy_host='127.0.0.1', proxy_port=8115)
# myhttp = httplib2.Http(proxy_info=myproxy)
# home: This parameter can only be used in a properly authorized
# request.
# Set this
# parameter's value to true to retrieve the activity feed that
# displays on
# the YouTube home page for the currently authenticated user.
response = youtube.activities().list(part='snippet',
home=True,
maxResults=max_results).execute()
homepage_subscription_list = []
else:
return render_to_response('result.html',
{'text': '获取google youtube服务失败，未能查询到结果'})
for result in response.get("items", []):
if result['snippet']["type"] == 'upload':
homepage_subscription_list.append(result['snippet']["title"])
else:
# https://developers.google.com/youtube/v3/docs/activities
# https://developers.google.com/youtube/v3/docs/activities
# #snippet.type
# 有的type没有title
continue
return render_to_response('result.html',
{'list': homepage_subscription_list})
def get_youtube_channel_info(channel_id):
"""
根据channel_id,获取channel的信息，并保存到数据库中
https://developers.google.com/youtube/v3/docs/channels/list#try-it
GET https://www.googleapis.com/youtube/v3/channels?part=contentDetails
%2Csnippet&id=UCEQpJTOXGkvS1UQsdCm6lLA&key={YOUR_API_KEY}
:param channel_id:
:param user:
:return:
"""
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.channels().list(
part='snippet',
id=channel_id).execute()
else:
return False
# channel_info_list = []
# for result in res.get("items", []):
# channel_info_list.append(result['snippet'])
channel_info = res.get("items", [])[0]['snippet']
channel, created = YouTubeChannel.objects.update_or_create(
channel_id=channel_id,
defaults={'title': channel_info['title'],
'description': channel_info['description'],
'thumbnail': channel_info['thumbnails']['default']['url']
}
)
return channel_info
def get_youtube_channel_info(channel_id):
"""
根据channel_id,获取channel的信息，并保存到数据库中
https://developers.google.com/youtube/v3/docs/channels/list#try-it
GET https://www.googleapis.com/youtube/v3/channels?part=contentDetails
%2Csnippet&id=UCEQpJTOXGkvS1UQsdCm6lLA&key={YOUR_API_KEY}
:param channel_id:
:param user:
:return:
"""
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.channels().list(part='snippet', id=channel_id).execute()
else:
return False
# channel_info_list = []
# for result in res.get("items", []):
# channel_info_list.append(result['snippet'])
channel_info = res.get("items", [])[0]['snippet']
channel, created = YouTubeChannel.objects.update_or_create(
channel_id=channel_id,
defaults={
'title': channel_info['title'],
'description': channel_info['description'],
'thumbnail': channel_info['thumbnails']['default']['url']
})
return channel_info
def get_youtube_playlist_video_info(youtube_playlist_id, max_results):
"""
获取youtube_playlist_id的所有video的信息
:param youtube_playlist_id:
:param max_results:最大为50
:param user:
:return:
https://developers.google.com/apis-explorer/#p/youtube/v3/youtube
.playlistItems.list
"""
# filter()返回的是一个list，就算只有一个结果
playlist = YouTubePlaylist.objects.filter(
playlist_id=youtube_playlist_id).first()
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.playlistItems().list(
part='snippet, contentDetails',
playlistId=youtube_playlist_id,
maxResults=max_results).execute()
# 将该playlist包含的视频数量保存到YouTubePlaylist中
if res:
video_num = res['pageInfo']['totalResults']
playlist.video_num = video_num
playlist.save(update_fields=['video_num'])
else:
return False
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.playlistItems().list(
part='snippet, contentDetails',
playlistId=youtube_playlist_id,
maxResults=max_results,
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
video_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
# 如果视频所属的channel保存在YouTubeChannel中，并且is_download属性为true
# 也就是只下载已经保存到YouTubeChannel中的channel的视频
if channel and channel.is_download:
video = {
'video_id': result['contentDetails']["videoId"],
'title': result['snippet']["title"],
'publishedAt': result['snippet']["publishedAt"],
'thumbnail': result['snippet']['thumbnails']['default']['url'],
'channel': channel,
'playlist': playlist
}
# publishedAt 为ISO 8601 (
# YYYY-MM-DDThh:mm:ss.sZ)格式，类似2008-09-26T01:51:42.000Z
d = dateutil.parser.parse(video['publishedAt'])
# 将获取到的playlist的视频信息保存到数据库的Video model中
youtube_video, created = Video.objects.update_or_create(
video_id=video['video_id'],
defaults={'title': video['title'],
'publishedAt': d,
'thumbnail': video['thumbnail'],
'channel': channel,
'playlist': video['playlist']
}
)
video_list.append(video)
return video_list
def get_youtube_playlist_info(youtube_channel_id, max_results, user):
# 获取channel中的用户自定义的youtube playlist的信息并保存到数据中
# https://developers.google.com/youtube/v3/docs/playlists/list#parameters
# GET https://www.googleapis.com/youtube/v3/playlists?part=snippet
# &channelId=UCEQpJTOXGkvS1UQsdCm6lLA&key={YOUR_API_KEY}
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.playlists().list(
part='snippet',
channelId=youtube_channel_id,
maxResults=max_results).execute()
else:
return False
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.playlists().list(
part='snippet',
channelId=youtube_channel_id,
# maxResults=int(max_results),
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
youtube_playlist_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
# 如果视频所属的channel保存在YouTubeChannel中，
# 也就是只下载已经保存到YouTubeChannel中的channel的playlist
if channel:
playlist = {
'playlist_id': result['id'],
'title': result['snippet']["title"],
'channel': channel,
'description': result['snippet']["description"],
'thumbnail': result['snippet']['thumbnails']['default']['url']
}
d = dateutil.parser.parse(result['snippet']['publishedAt'])
youtube_playlist, created = \
YouTubePlaylist.objects.update_or_create(
playlist_id=playlist['playlist_id'],
defaults={'title': playlist['title'],
'publishedAt': d,
'thumbnail': playlist['thumbnail'],
'channel': channel
}
)
youtube_playlist_list.append(playlist)
return youtube_playlist_list
def get_multi_youtube_video_info():
"""
一次获取max_results个保存在Video model中的youtube视频的时长，播放数等额外信息
:param user:
:param max_results: <50
:return:
"""
video_list = Video.need_get_video_info.order_by('-publishedAt')[:50]
video_id_list = []
for video in video_list:
video_id_list.append(video.video_id)
video_id_string = ', '.join(video_id_list)
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
# https://developers.google.com/youtube/v3/docs/videos/list
res = youtube.videos().list(
part="contentDetails, snippet, statistics",
id=video_id_string
).execute()
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.videos().list(
part="contentDetails, snippet, statistics",
id=video_id_string,
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
# 从返回的对象里找出type为upload的
youtube_video_id_list = []
for result in res.get("items", []):
video = Video.objects.get(pk=result['id'])
# 某些youtube视频没有tags
# 比如 https://www.youtube.com/watch?v=_Po6DWVPbmQ
# 如果没有tags,则返回'',这样json.dumps(tags_list)的结果就是''
# video model的tags是TEXTField，''就是其空值
tags_list = result['snippet'].get('tags', '')
video.tags = json.dumps(tags_list)
# https://docs.djangoproject.com/en/1.6/ref/models/instances
# /#specifying-which-fields-to-save
video.view_count = result['statistics'].get('viewCount', 0)
# 某些youtube视频没有likeCount
# 比如 https://www.youtube.com/watch?v=YiTAEQNFI4A
video.like_count = result['statistics'].get('likeCount', 0)
# 将list转成json的格式保存到数据库中
# http://stackoverflow.com/a/16743442/1314124
duration = isodate.parse_duration(result['contentDetails']['duration'])
video.duration = duration.total_seconds()
video.save(
update_fields=['view_count', 'like_count', 'tags', 'duration'])
youtube_video_id_list.append(result['id'])
return youtube_video_id_list
def get_youtube_playlist_video_info(youtube_playlist_id, max_results):
"""
获取youtube_playlist_id的所有video的信息，并保存到数据库中
:param youtube_playlist_id:
:param max_results:最大为50
:param user:
:return:
https://developers.google.com/apis-explorer/#p/youtube/v3/youtube
.playlistItems.list
"""
# filter()返回的是一个list，就算只有一个结果
playlist = YouTubePlaylist.objects.filter(
playlist_id=youtube_playlist_id).first()
# youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.playlistItems().list(
part='snippet, contentDetails',
playlistId=youtube_playlist_id,
maxResults=max_results).execute()
# 将该playlist包含的视频数量保存到YouTubePlaylist中
if res:
video_num = res['pageInfo']['totalResults']
playlist.video_num = video_num
playlist.save(update_fields=['video_num'])
else:
result_text = '获取youtube的认证失败'
return False, result_text
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.playlistItems().list(
part='snippet, contentDetails',
playlistId=youtube_playlist_id,
maxResults=max_results,
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
video_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
# 如果视频所属的channel保存在YouTubeChannel中，并且is_download属性为true
# 也就是只下载已经保存到YouTubeChannel中的channel的视频
if channel:
if channel.is_download:
video = {
'video_id': result['contentDetails']["videoId"],
'title': result['snippet']["title"],
'publishedAt': result['snippet']["publishedAt"],
'thumbnail': result['snippet']['thumbnails']['default'][
'url'],
'channel': channel,
'playlist': playlist
}
# publishedAt 为ISO 8601 (
# YYYY-MM-DDThh:mm:ss.sZ)格式，类似2008-09-26T01:51:42.000Z
d = dateutil.parser.parse(video['publishedAt'])
# 将获取到的playlist的视频信息保存到数据库的Video model中
youtube_video, created = Video.objects.update_or_create(
video_id=video['video_id'],
defaults={'title': video['title'],
'publishedAt': d,
'thumbnail': video['thumbnail'],
'channel': channel,
'playlist': video['playlist']
}
)
video_list.append(video)
else:
result = False
result_text = 'youtube_playlist_id为 {' \
'youtube_playlist_id}对应的channel的is_download属性设置为false'.format(
youtube_playlist_id=youtube_playlist_id)
else:
result = False
result_text = '在数据库中无法查找到 youtube_playlist_id为 {youtube_playlist_id}' \
'对应的channel'.format(
youtube_playlist_id=youtube_playlist_id)
result_text = 'YouTube Playlist为{youtube_playlist_id}的视频已保存'.format(
youtube_playlist_id=youtube_playlist_id)
return video_list, result_text
def get_youtube_playlist_info(youtube_channel_id, max_results, user):
# 获取channel中的用户自定义的youtube playlist的信息并保存到数据中
# https://developers.google.com/youtube/v3/docs/playlists/list#parameters
# GET https://www.googleapis.com/youtube/v3/playlists?part=snippet
# &channelId=UCEQpJTOXGkvS1UQsdCm6lLA&key={YOUR_API_KEY}
# youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
if youtube:
res = youtube.playlists().list(
part='snippet',
channelId=youtube_channel_id,
maxResults=max_results).execute()
else:
return False
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.playlists().list(
part='snippet',
channelId=youtube_channel_id,
# maxResults=int(max_results),
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
youtube_playlist_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
# 如果视频所属的channel保存在YouTubeChannel中，
# 也就是只下载已经保存到YouTubeChannel中的channel的playlist
if channel:
playlist = {
'playlist_id': result['id'],
'title': result['snippet']["title"],
'channel': channel,
'description': result['snippet']["description"],
'thumbnail': result['snippet']['thumbnails']['default']['url']
}
d = dateutil.parser.parse(result['snippet']['publishedAt'])
youtube_playlist, created = \
YouTubePlaylist.objects.update_or_create(
playlist_id=playlist['playlist_id'],
defaults={'title': playlist['title'],
'publishedAt': d,
'thumbnail': playlist['thumbnail'],
'channel': channel
}
)
youtube_playlist_list.append(playlist)
return youtube_playlist_list
def get_multi_youtube_video_info():
"""
一次获取max_results个保存在Video model中的youtube视频的时长，播放数等额外信息
:param user:
:param max_results: <50
:return:
"""
video_list = Video.need_get_video_info.order_by('-publishedAt')[:50]
video_id_list = []
for video in video_list:
video_id_list.append(video.video_id)
video_id_string = ', '.join(video_id_list)
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
# https://developers.google.com/youtube/v3/docs/videos/list
res = youtube.videos().list(part="contentDetails, snippet, statistics",
id=video_id_string).execute()
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.videos().list(
part="contentDetails, snippet, statistics",
id=video_id_string,
pageToken=nextPageToken).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
# 从返回的对象里找出type为upload的
youtube_video_id_list = []
for result in res.get("items", []):
video = Video.objects.get(pk=result['id'])
# 某些youtube视频没有tags
# 比如 https://www.youtube.com/watch?v=_Po6DWVPbmQ
# 如果没有tags,则返回'',这样json.dumps(tags_list)的结果就是''
# video model的tags是TEXTField，''就是其空值
tags_list = result['snippet'].get('tags', '')
video.tags = json.dumps(tags_list)
# https://docs.djangoproject.com/en/1.6/ref/models/instances
# /#specifying-which-fields-to-save
video.view_count = result['statistics'].get('viewCount', 0)
# 某些youtube视频没有likeCount
# 比如 https://www.youtube.com/watch?v=YiTAEQNFI4A
video.like_count = result['statistics'].get('likeCount', 0)
# 将list转成json的格式保存到数据库中
# http://stackoverflow.com/a/16743442/1314124
duration = isodate.parse_duration(result['contentDetails']['duration'])
video.duration = duration.total_seconds()
video.save(
update_fields=['view_count', 'like_count', 'tags', 'duration'])
youtube_video_id_list.append(result['id'])
return youtube_video_id_list
def get_subscription_update_video(user, max_results):
"""
获取认证用户的youtube首页显示的订阅频道的视频信息，保存到本地数据库
https://developers.google.com/youtube/v3/docs/activities/list#errors
:param request:
max_results：最大为50
:return:
"""
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
# home: This parameter can only be used in a properly
# authorized request. Set this
# parameter's value to true to retrieve the activity feed that displays on
# the YouTube home page for the currently authenticated user.
# home=True 获取登陆用户的首页推荐视频
# mine=True 获取登陆用户进行like，upload等操作的视频
# home和mine 不能同时为True，否者会提示错误
if youtube:
res = youtube.activities().list(part='snippet, contentDetails',
home=True,
maxResults=max_results).execute()
else:
return False
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.activities().list(
part='snippet, contentDetails',
home=True,
maxResults=max_results,
pageToken=nextPageToken).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
# 从返回的对象里找出type为upload的
video_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
#如果视频所属的channel保存在YouTubeChannel中，并且is_download属性为true
if channel and channel.is_download:
# 如果该视频所属的频道 is_download 属性被设置为True，才进行下载
# todo 待测试
if result['snippet']["type"] == 'upload':
video = {
'video_id': result['contentDetails']["upload"]["videoId"],
'title': result['snippet']["title"],
'publishedAt': result['snippet']["publishedAt"],
'thumbnail':
result['snippet']['thumbnails']["default"]["url"],
'channel': result['snippet']["channelId"]
}
import datetime, dateutil.parser
# publishedAt 为ISO 8601 (
# YYYY-MM-DDThh:mm:ss.sZ)格式，类似2008-09-26T01:51:42.000Z
d = dateutil.parser.parse(video['publishedAt'])
youtube_video, created = Video.objects.update_or_create(
video_id=video['video_id'],
defaults={
'title': video['title'],
'publishedAt': d,
'thumbnail': video['thumbnail'],
'channel': channel
})
video_list.append(video)
else:
# https://developers.google.com/youtube/v3/docs/activities
# https://developers.google.com/youtube/v3/docs/activities
# #snippet.type
# 有的type没有title
continue
return video_list
def get_subscription_update_video(user, max_results):
"""
获取认证用户的youtube首页显示的订阅频道的视频信息，保存到本地数据库
https://developers.google.com/youtube/v3/docs/activities/list#errors
:param request:
max_results：最大为50
:return:
"""
#youtube = get_authenticated_service(user)
youtube = get_authenticated_service_s2s()
# home: This parameter can only be used in a properly
# authorized request. Set this
# parameter's value to true to retrieve the activity feed that displays on
# the YouTube home page for the currently authenticated user.
# home=True 获取登陆用户的首页推荐视频
# mine=True 获取登陆用户进行like，upload等操作的视频
# home和mine 不能同时为True，否者会提示错误
if youtube:
res = youtube.activities().list(
part='snippet, contentDetails',
home=True,
maxResults=max_results).execute()
else:
return False
# 循环获取完所有的结果
nextPageToken = res.get('nextPageToken')
while ('nextPageToken' in res):
nextPage = youtube.activities().list(
part='snippet, contentDetails',
home=True,
maxResults=max_results,
pageToken=nextPageToken
).execute()
res['items'] = res['items'] + nextPage['items']
if 'nextPageToken' not in nextPage:
res.pop('nextPageToken', None)
else:
nextPageToken = nextPage['nextPageToken']
# 从返回的对象里找出type为upload的
video_list = []
for result in res.get("items", []):
# 查询看该视频所属的channel是否保存到了数据库中
channel = YouTubeChannel.objects.filter(
channel_id=result['snippet']["channelId"]).first()
#如果视频所属的channel保存在YouTubeChannel中，并且is_download属性为true
if channel and channel.is_download:
# 如果该视频所属的频道 is_download 属性被设置为True，才进行下载
# todo 待测试
if result['snippet']["type"] == 'upload':
video = {
'video_id': result['contentDetails']["upload"]["videoId"],
'title': result['snippet']["title"],
'publishedAt': result['snippet']["publishedAt"],
'thumbnail': result['snippet']['thumbnails']["default"][
"url"],
'channel': result['snippet']["channelId"]
}
import datetime, dateutil.parser
# publishedAt 为ISO 8601 (
# YYYY-MM-DDThh:mm:ss.sZ)格式，类似2008-09-26T01:51:42.000Z
d = dateutil.parser.parse(video['publishedAt'])
youtube_video, created = Video.objects.update_or_create(
video_id=video['video_id'],
defaults={'title': video['title'],
'publishedAt': d,
'thumbnail': video['thumbnail'],
'channel': channel
}
)
video_list.append(video)
else:
# https://developers.google.com/youtube/v3/docs/activities
# https://developers.google.com/youtube/v3/docs/activities
# #snippet.type
# 有的type没有title
continue
return video_list
