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import os
import urllib
import webapp2
import jinja2
from apiclient.discovery import build
from optparse import OptionParser
import json
JINJA_ENVIRONMENT = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
extensions=['jinja2.ext.autoescape'])
REGISTRATION_INSTRUCTIONS = """
You must set up a project and get an API key to run this code. Please see
the instructions for creating a project and a key at <a
href="https://developers.google.com/youtube/registering_an_application"
>https://developers.google.com/youtube/registering_an_application</a>.
<br><br>
Make sure that you have enabled the YouTube Data API (v3) and the Freebase
API for your project."""
# Set API_KEY to the "API key" value from the Google Developers Console:
# https://console.developers.google.com/project/_/apiui/credential
# Please ensure that you have enabled the YouTube Data API and Freebase API
# for your project.
API_KEY = "REPLACE_ME"
YOUTUBE_API_SERVICE_NAME = "youtube"
YOUTUBE_API_VERSION = "v3"
FREEBASE_SEARCH_URL = "https://www.googleapis.com/freebase/v1/search?%s"
QUERY_TERM = "dog"
class MainHandler(webapp2.RequestHandler):
def get(self):
if API_KEY == 'REPLACE_ME':
self.response.write(REGISTRATION_INSTRUCTIONS)
else:
# Present a list of Freebase topic IDs for the query term
self.request_channel()
def request_channel(self):
# Display a text box where the user can enter a channel name or
# channel ID.
select_channel_page = '''
<html>
<body>
<p>Which channel's videos do you want to see?</p>
<form method="post">
<p>
<select name="channel_type">
<option value="id">Channel ID</option>
<option value="name">Channel name</option>
</select>
<input name="channel" size="30">
</p>
<p><input type="submit" /></p>
</form>
</body>
</html>
'''
# Display the HTML page that shows the form.
self.response.out.write(select_channel_page)
def post(self):
# Service for calling the YouTube API
youtube = build(YOUTUBE_API_SERVICE_NAME,
YOUTUBE_API_VERSION,
developerKey=API_KEY)
# Use form inputs to create request params for channel details
channel_type = self.request.get('channel_type')
channels_response = None
if channel_type == 'id':
channels_response = youtube.channels().list(
id=self.request.get('channel'),
part='snippet,contentDetails'
).execute()
else:
channels_response = youtube.channels().list(
forUsername=self.request.get('channel'),
part='snippet,contentDetails'
).execute()
channel_name = ''
videos = []
for channel in channels_response['items']:
uploads_list_id = channel['contentDetails']['relatedPlaylists']['uploads']
channel_name = channel['snippet']['title']
next_page_token = ''
while next_page_token is not None:
playlistitems_response = youtube.playlistItems().list(
playlistId=uploads_list_id,
part='snippet',
maxResults=50,
pageToken=next_page_token
).execute()
for playlist_item in playlistitems_response['items']:
videos.append(playlist_item)
next_page_token = playlistitems_response.get('tokenPagination', {}).get(
'nextPageToken')
if len(videos) > 100:
break
template_values = {
'channel_name': channel_name,
'videos': videos
}
self.response.headers['Content-type'] = 'text/html'
template = JINJA_ENVIRONMENT.get_template('index.html')
self.response.write(template.render(template_values))
app = webapp2.WSGIApplication([
('/.*', MainHandler),
], debug=True)