def fetch_likes(self, item, change, shares=False):
'''
Возвращает список пользователей, совершивших действие
"поставил лайк" пользователей для item.
change -- [<начало списка лайков>, <конец списка лайков>]
shares -- если True, то обрабатывает пользователей, которые сделали
репост объекта
'''
sequence = GroupSnapshoter.create_requests_sequence(
change[0],
change[1],
GroupSnapshoter.LIKES_COUNT
)
retval = []
for offset, count in sequence:
try:
likes = self.api.likes.getList(
type=item.type,
owner_id=item.owner,
item_id=item.data.internal_id,
offset=offset,
count=count,
filter='likes' if not shares else 'copies'
)
retval.extend(likes['users'])
except APIError:
continue
return retval
def fetch_comments(self, item, change):
'''
Возвращает список комментариев для item.
change -- [<начало списка лайков>, <конец списка лайков>]
'''
if item.type == 'post':
sequence = GroupSnapshoter.create_requests_sequence(
change[0],
change[1],
GroupSnapshoter.WALL_COUNT
)
get = lambda offset, count: self.api.wall.getComments(
owner_id=item.owner,
post_id=item.data.internal_id,
offset=offset,
count=count
)[1:]
elif item.type == 'topic':
sequence = GroupSnapshoter.create_requests_sequence(
change[0],
change[1],
GroupSnapshoter.BOARD_COMMENT_COUNT
)
get = lambda offset, count: self.board.get_comments(
topic_id=item.data.internal_id,
offset=offset,
)
elif item.type == 'photo':
sequence = GroupSnapshoter.create_requests_sequence(
change[0],
change[1],
GroupSnapshoter.PHOTOS_COUNT
)
get = lambda offset, count: self.api.photos.getComments(
owner_id=item.owner,
pid=item.data.internal_id,
offset=offset,
count=count
)[1:]
elif item.type == 'video':
sequence = GroupSnapshoter.create_requests_sequence(
change[0],
change[1],
GroupSnapshoter.VIDEOS_COUNT
)
get = lambda offset, count: self.api.video.getComments(
owner_id=item.owner,
vid=item.data.internal_id,
offset=offset,
count=count
)[1:]
retval = []
for offset, count in sequence:
try:
comments = get(offset, count)
except APIError:
continue
for comment in comments:
if 'uid' in comment:
comment['from_id'] = comment['uid']
if 'message' in comment:
comment['text'] = comment['message']
if isinstance(comment['date'], basestring) or isinstance(comment['date'], int):
try:
comment['date'] = date.fromtimestamp(int(comment['date']))
except (ValueError, KeyError):
comment['date'] = None
retval.extend(comments)
return retval
