def get(self):
from models import VideoData, VideoViewsData
"""
Selects the videos from the database that are due a check. This is based on the amount of time since they were last checked and on their alert level.
"""
# find the time now
now = datetime.datetime.now()
queryModel = VideoData.all()
count = 0
for video in queryModel:
# get all the views info for that video
video_views_data = video.views.order("-dateTime")
# get the last one
latest_views_data = video_views_data.get()
#compare the times
timeElapsed = now - latest_views_data.dateTime
# if the amount of time passed since last check exceeds the alertLevel for this video
if (timeElapsed > ALERT_LEVELS[video.alertLevel]):
video.checkMeFlag = True
count += 1
else:
video.checkMeFlag = False
video.put()
logging.info('Selected %i videos for checking', count)
def get(self):
from models import VideoData, VideoViewsData
"""
Selects videos from database and tracks their views over time
"""
# get current datetime
now = datetime.datetime.now()
# query db for videos which have been flagged
videos_to_check = VideoData.gql("WHERE checkMeFlag = True") # CHANGE THIS BACK TO TRUE WHEN DEPLOYING
logging.info('Checking %i videos', videos_to_check.count())
for video in videos_to_check:
# get the current number of views
newViewsEntry = self.getEntryData(video.token)
new_views_data = VideoViewsData(video=video, dateTime=now, views=newViewsEntry, collection_name="views")
new_views_data.put()
video.checkMeFlag = False
video.put()
def searchThis(self, search):
from models import VideoData, VideoViewsData, VideoSearchIndex
search.lastQuery = datetime.datetime.now()
br = gaemechanize.Browser()
# Browser options
br.set_handle_equiv(True)
br.set_handle_gzip(True)
br.set_handle_redirect(True)
br.set_handle_referer(True)
br.set_handle_robots(False)
# User-Agent (this is cheating, ok?)
br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1')]
# The site we will navigate into, handling its session
br.open('http://www.youtube.com')
# Scrape First Page Looking for Forms
br.select_form(nr=1)
# Executes Query with Given Word
br.form['search_query'] = search.queryText
br.submit()
# Finds all links the page
search_links = [l for l in br.links()]
linkcounter = 0
for link in search_links:
linkcounter += linkcounter
# Selects By Upload Rate (it's a hack now, needs to be context independent)
br.follow_link(search_links[16])
html = br.response().read()
soup = BeautifulSoup(html)
soup.prettify()
# Creates Video List For Results
search_results = soup.findAll('div', attrs = {'class': "result-item *sr "})
# Store in DB
new_video = VideoData()
for result in search_results:
# strip token from youtube url
vidtoken = self.scrapeVideoInfo(result)['url'][31:42]
# Create a new VideoData object with the video token
new_video = VideoData(key_name=vidtoken)
# If it doesn't exist already. TODO
#if VideoData.get(new_video.key()) is None:
new_video.token = vidtoken
new_video.json = simplejson.dumps(self.scrapeVideoInfo(result))
viewsDate, views = self.scrapeVideoViews(result)
views_object = VideoViewsData(dateTime=viewsDate, views=views, video=new_video)
views_object.put()
new_video_searchlist = VideoSearchIndex(key_name=new_video.token, parent=new_video)
new_video_searchlist.searchTerms.append(search.key())
new_video_searchlist.put()
new_video.alertLevel = "initial"
new_video.checkMeFlag = False
new_video.put()