flask_pagination.py

@app.route('/')
@app.route('/<int:page>')
def index(page=1):
    # set up the pagination params, set count later
    p = Pagination(per_page=10, current_page=page)
    timeline = RedisTimeline.find_paginated(p)
    # pass the pagination object to the view, so a list of links can be displayed
    return render_template('index.html', timeline=timeline, pagination=p)

redis_timeline.py

# This is a simplified class that uses Redis

class RedisTimeline(object):
    
    @classmethod
    def find_paginated(self, pagination):
        # self.count returns the total number of items in the timeline
        pagination.total = self.count()
        # pass in the pagination params which can be used as offset
        timeline = self.find(limit=pagination.per_page, start=pagination.start)
        return timeline
        
    @classmethod
    def find(self, limit=100, start=0):
        """ZREVRANGE foo <$OFFSET> <$OFFSET + $LIMIT - 1> will yield correct results if both OFFSET and LIMIT are assumed to be zero-based.
        So 0/0 gives you the full range, then offset 10 limit 10 will give you items 11 to 20."""
        ids = r.zrevrange('myrediskey', start, start + limit - 1)
        
        # do something with ids and generate a timeline object
        return timeline