def update_top_stories(self):
try:
stories = self.client.get_front_page_stories()
for data in stories:
story_data = data['data']
story, created = Story.objects.get_or_create(service=self.service, code=story_data.get('permalink'))
if created:
story.date = timezone.datetime.fromtimestamp(story_data.get('created_utc'), timezone.get_current_timezone())
story.build_url()
score = story_data.get('score', 0)
comments = story_data.get('num_comments', 0)
has_changes = (score != story.score or comments != story.comments)
if not story.status == Story.NEW and has_changes:
update = StoryUpdate(story=story)
update.comments_changes = comments - story.comments
update.score_changes = score - story.score
update.save()
story.comments = comments
story.score = score
story.title = story_data.get('title', '')
story.nsfw = story_data.get('over_18', False)
story.status = Story.OK
story.save()
except Exception, e:
logging.error(e)
def update_top_stories(self):
try:
popular_stories = self.client.get_top_stories()
today = timezone.now()
for story_data in popular_stories:
story, created = Story.objects.get_or_create(
service=self.service,
code=story_data['id'],
date=timezone.datetime(today.year, today.month, today.day, tzinfo=timezone.get_current_timezone())
)
score = story_data['score']
has_changes = (score > story.score)
if not story.status == Story.NEW and has_changes:
update = StoryUpdate(story=story)
update.score_changes = score - story.score
update.save()
story.title = story_data['title']
story.url = story_data['url']
story.score = score
story.status = Story.OK
story.save()
except Exception, e:
logging.error(e)
def save_story(self, story_data, score, weight):
story_id = story_data.get('id', story_data.get('asset_id', None))
if not story_id:
return
today = timezone.now()
story, created = Story.objects.get_or_create(
service=self.service,
code=story_id,
date=timezone.datetime(today.year, today.month, today.day, tzinfo=timezone.get_current_timezone())
)
story.title = story_data['title']
story.url = story_data['url']
minutes_since_last_update = 0
if story.updates.exists():
last_update = story.updates.order_by('-updated_at').first()
delta = timezone.now() - last_update.updated_at
minutes_since_last_update = delta.total_seconds() / 60
if created or minutes_since_last_update >= 30:
score_run = score * weight
story.score += score_run
update = StoryUpdate(story=story)
update.score_changes = score_run
update.save()
story.status = Story.OK
story.save()
def update_top_stories(self):
try:
posts = self.client.get_top_stories()
today = timezone.now()
for post_data in posts:
story, created = Story.objects.get_or_create(service=self.service, code=post_data['id'], date=timezone.datetime(today.year, today.month, today.day, tzinfo=timezone.get_current_timezone()))
if created:
story.url = u'{0}/@{1}/{2}'.format(self.service.story_url, post_data['creator']['username'], post_data['id'])
story.start_score = int(post_data['virtuals']['recommends'])
story.start_comments = int(post_data['virtuals']['responsesCreatedCount'])
story.title = post_data['title']
recommends = int(post_data['virtuals']['recommends']) - story.start_score
comments = int(post_data['virtuals']['responsesCreatedCount']) - story.start_comments
has_changes = (recommends != story.score or comments != story.comments)
if not story.status == Story.NEW and has_changes:
update = StoryUpdate(story=story)
update.comments_changes = comments - story.comments
update.score_changes = recommends - story.score
update.save()
story.score = recommends
story.comments = comments
story.status = Story.OK
story.save()
except Exception, e:
logging.error(e)
def update_story(self, code):
try:
story_data = self.client.get_story(code)
if story_data and story_data['type'] == 'story':
story, created = Story.objects.get_or_create(
service=self.service, code=code)
if story_data.get('deleted', False):
story.delete()
return
if story.status == Story.NEW:
story.date = timezone.datetime.fromtimestamp(
story_data.get('time'),
timezone.get_current_timezone())
story.url = u'{0}{1}'.format(story.service.story_url,
story.code)
score = story_data.get('score', 0)
comments = story_data.get('descendants', 0)
has_changes = (score != story.score
or comments != story.comments)
if not story.status == Story.NEW and has_changes:
update = StoryUpdate(story=story)
update.comments_changes = comments - story.comments
update.score_changes = score - story.score
update.save()
story.comments = comments
story.score = score
story.title = story_data.get('title', '')
url = story_data.get('url', '')
if url:
story.content_type = Story.URL
story.content = url
text = story_data.get('text', '')
if text:
story.content_type = Story.TEXT
story.content = text
story.status = Story.OK
story.save()
except Exception, e:
logging.error(
u'Exception in code {0} HackerNewsCrawler.update_story'.format(
code))
logging.error(e)
def update_top_stories(self):
try:
repos = self.client.get_today_trending_repositories()
today = timezone.now()
for data in repos:
story, created = Story.objects.get_or_create(
service=self.service,
code=data.get('name'),
date=timezone.datetime(
today.year,
today.month,
today.day,
tzinfo=timezone.get_current_timezone()))
if created:
story.build_url()
stars = data.get('stars', 0)
'''
Because of the nature of the github trending repositories
we are only interested on changes where the stars have increased
this way the crawler is gonna campure the highest starts one repository
got in a single day
'''
has_changes = (stars > story.score)
if story.status == Story.NEW:
story.score = stars
elif has_changes:
update = StoryUpdate(story=story)
update.score_changes = stars - story.score
update.save()
story.score = stars
story.title = data.get('name')[1:]
description = data.get('description', '')
language = data.get('language', '')
if language and description:
description = u'{0} • {1}'.format(language, description)
elif language:
description = language
story.description = description
story.status = Story.OK
story.save()
except Exception, e:
logging.error(e)