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 __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
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)
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)