Beispiel #1
0
    def __init__(self, source=None, time_secs=time.time, opts=None):
        self.feeds = {}

        self.opts = opts if opts is not None else choose_ad_options()

        log.info('feed trends chose option set: %r', self.opts)

        if source is None:
            source = default_ad_source(self.opts['campaign'])

        self.ads_by_ids = LRU(MAX_ADS)
        self.ad_queue = AdQueue(source, time_secs)

        self.new_ad_request_serial = 0
        self.new_ad_request_count = 0
Beispiel #2
0
    def __init__(self, source=None, time_secs=time.time, opts=None):
        self.feeds = {}

        self.opts = opts if opts is not None else choose_ad_options()

        log.info('feed trends chose option set: %r', self.opts)

        if source is None:
            source = default_ad_source(self.opts['campaign'])

        self.ads_by_ids = LRU(MAX_ADS)
        self.ad_queue = AdQueue(source, time_secs)

        self.new_ad_request_serial = 0
        self.new_ad_request_count = 0
Beispiel #3
0
class FeedAds(object):

    def __init__(self, source=None, time_secs=time.time, opts=None):
        self.feeds = {}

        self.opts = opts if opts is not None else choose_ad_options()

        log.info('feed trends chose option set: %r', self.opts)

        if source is None:
            source = default_ad_source(self.opts['campaign'])

        self.ads_by_ids = LRU(MAX_ADS)
        self.ad_queue = AdQueue(source, time_secs)

        self.new_ad_request_serial = 0
        self.new_ad_request_count = 0

    def first_ad_index(self):
        idx = self.opts['startpos']

        if isinstance(idx, tuple): # tuple means "choose random number in range"
            return random.randint(*idx)

        return idx

    source = property(lambda self: self.ad_queue.source,
                      lambda self, src: setattr(self.ad_queue, 'source', src))

    append_short_links = property(lambda self: self.ad_queue.append_short_links,
                                  lambda self, v: setattr(self.ad_queue, 'append_short_links', v))

    def start_ad_request(self):
        self.ad_queue.once_have_ads(None)

    def ad_created(self, ad):
        self.ads_by_ids[hash(ad)] = ad

    def get_ad_by_id(self, id):
        return self.ads_by_ids.get(id)

    def feed_for_context(self, context):
        try:
            feed = self.feeds[context]
        except KeyError:
            feed = self.feeds[context] = AdPlacement(self, context)

        return feed

    def request_new_ads(self, new_ads, on_done):
        #print 'request_new_ads', len(new_ads)

        self.new_ad_request_serial += len(new_ads)

        ctx = dict()
        new_ads = new_ads[:]

        ctx['i'] = 0
        new_ads[ctx['i']].ad = sentinel
        def on_ad(ad):
            if ad is not None:
                new_ads[ctx['i']].ad = ad
                self.ad_created(ad)
                ctx['i'] += 1
                if ctx['i'] >= len(new_ads):
                    on_done()
                else:
                    self.get_new_ad(on_ad)
            else:
                on_done()

        self.get_new_ad(on_ad)

    def wrap_iterator(self, info):
        original_iterator = iter(info.iterator)

        #print
        #print
        #print '-'*80
        #print 'wrapping iterator, afters:'
        #from pprint import pprint

        feed = self.feed_for_context(info.id)

        #pprint(afters)

        def feedad(ad, prev_item=None):
            return transform_ad(info, ad, prev_item, self.opts['linkstyle'])

        def newiter():
            first_item = original_iterator.next()

            first_ad = feed.ad_first()
            if first_ad is not None:
                yield feedad(first_ad, first_item)

            prev_item, prev_id = first_item, first_item.id
            yield first_item

            for i, item in enumerate(original_iterator):
                id = item.id
                if prev_item is not None:
                    ad = feed.ad_after_id(prev_id)
                    if ad is not None:
                        yield feedad(ad, prev_item)

                prev_item, prev_id = item, id
                yield item

        info.iterator = newiter()
        return info

    def get_new_ad(self, cb):
        self.new_ad_request_count += 1
        self.ad_queue.next_ad(cb)
Beispiel #4
0
class FeedAds(object):
    def __init__(self, source=None, time_secs=time.time, opts=None):
        self.feeds = {}

        self.opts = opts if opts is not None else choose_ad_options()

        log.info('feed trends chose option set: %r', self.opts)

        if source is None:
            source = default_ad_source(self.opts['campaign'])

        self.ads_by_ids = LRU(MAX_ADS)
        self.ad_queue = AdQueue(source, time_secs)

        self.new_ad_request_serial = 0
        self.new_ad_request_count = 0

    def first_ad_index(self):
        idx = self.opts['startpos']

        if isinstance(idx,
                      tuple):  # tuple means "choose random number in range"
            return random.randint(*idx)

        return idx

    source = property(lambda self: self.ad_queue.source,
                      lambda self, src: setattr(self.ad_queue, 'source', src))

    append_short_links = property(
        lambda self: self.ad_queue.append_short_links,
        lambda self, v: setattr(self.ad_queue, 'append_short_links', v))

    def start_ad_request(self):
        self.ad_queue.once_have_ads(None)

    def ad_created(self, ad):
        self.ads_by_ids[hash(ad)] = ad

    def get_ad_by_id(self, id):
        return self.ads_by_ids.get(id)

    def feed_for_context(self, context):
        try:
            feed = self.feeds[context]
        except KeyError:
            feed = self.feeds[context] = AdPlacement(self, context)

        return feed

    def request_new_ads(self, new_ads, on_done):
        #print 'request_new_ads', len(new_ads)

        self.new_ad_request_serial += len(new_ads)

        ctx = dict()
        new_ads = new_ads[:]

        ctx['i'] = 0
        new_ads[ctx['i']].ad = sentinel

        def on_ad(ad):
            if ad is not None:
                new_ads[ctx['i']].ad = ad
                self.ad_created(ad)
                ctx['i'] += 1
                if ctx['i'] >= len(new_ads):
                    on_done()
                else:
                    self.get_new_ad(on_ad)
            else:
                on_done()

        self.get_new_ad(on_ad)

    def wrap_iterator(self, info):
        original_iterator = iter(info.iterator)

        #print
        #print
        #print '-'*80
        #print 'wrapping iterator, afters:'
        #from pprint import pprint

        feed = self.feed_for_context(info.id)

        #pprint(afters)

        def feedad(ad, prev_item=None):
            return transform_ad(info, ad, prev_item, self.opts['linkstyle'])

        def newiter():
            first_item = original_iterator.next()

            first_ad = feed.ad_first()
            if first_ad is not None:
                yield feedad(first_ad, first_item)

            prev_item, prev_id = first_item, first_item.id
            yield first_item

            for i, item in enumerate(original_iterator):
                id = item.id
                if prev_item is not None:
                    ad = feed.ad_after_id(prev_id)
                    if ad is not None:
                        yield feedad(ad, prev_item)

                prev_item, prev_id = item, id
                yield item

        info.iterator = newiter()
        return info

    def get_new_ad(self, cb):
        self.new_ad_request_count += 1
        self.ad_queue.next_ad(cb)