def cache_stats():
stats = get_stats()
stats['_id'] = 'stats'
stats_collection.update(
{'_id': 'stats'},
stats,
upsert=True,
)
article_dates = articles.find({'date': {'$ne': None}}, {'date': True})
first_date = article_dates.sort('date', pymongo.ASCENDING)[0]['date'].year
last_date = article_dates.sort('date', pymongo.DESCENDING)[0]['date'].year
article_tags = articles.find(
{'tags.0': {'$exists': True}},
{'tags': True},
)
num_tags = sum((
len(article['tags'])
for article in article_tags
))
return {
'numArticles': num_articles,
'firstYear': first_date,
'lastYear': last_date,
'numTags': num_tags,
}
if __name__ == '__main__':
stats = get_stats()
stats['_id'] = 'stats'
stats_collection.update(
{'_id': 'stats'},
stats,
upsert=True,
)
