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tumblr.py
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tumblr.py
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# -*- coding: utf-8 -*-
import logging
from datetime import datetime, timedelta
from random import randrange
from time import time
from google.appengine.ext import ndb
import dateutil.parser
import pytz
import pytumblr
import settings
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
class Activity(ndb.Model):
name = ndb.StringProperty(required=True)
queue = ndb.IntegerProperty(required=True)
followers = ndb.IntegerProperty(required=True)
posts = ndb.IntegerProperty(required=True)
reblogs = ndb.IntegerProperty()
exectime = ndb.FloatProperty()
updated_at = ndb.DateTimeProperty(auto_now_add=True)
def act_stats(num):
return Activity.query().order(-Activity.updated_at).fetch(num)
def act_save(name, queue, followers, posts, reblogs, exectime):
act = Activity(
name=name,
queue=queue,
followers=followers,
posts=posts,
reblogs=reblogs,
exectime=exectime
)
act.put()
class Reblog(ndb.Model):
offset = ndb.IntegerProperty(required=True)
post_id = ndb.IntegerProperty(required=True)
post_date = ndb.StringProperty(required=True)
post_url = ndb.StringProperty(required=True)
source_url = ndb.StringProperty()
reblogged_to = ndb.StringProperty(required=True)
reblogged_date = ndb.StringProperty(required=True)
note_count = ndb.IntegerProperty(required=True)
updated_at = ndb.DateTimeProperty(auto_now_add=True)
def reblog_save(offset, post_id, post_date, post_url, source_url,
reblogged_to, reblogged_date, note_count):
rb = Reblog(
offset=offset,
post_id=post_id,
post_date=post_date,
post_url=post_url,
source_url=source_url,
reblogged_to=reblogged_to,
reblogged_date=reblogged_date,
note_count=note_count
)
rb.put()
def reblog_list(num):
return Reblog.query().order(-Reblog.updated_at).fetch(num)
def _client():
return pytumblr.TumblrRestClient(
settings.CONSUMER_KEY,
settings.CONSUMER_SECRET,
settings.OAUTH_TOKEN,
settings.OAUTH_SECRET
)
def _bloginfo(client, blogname):
try:
info = client.blog_info(blogname)
except Exception as e: #pylint: disable=W0703
logger.error("%s", e.args)
return
if "blog" not in info:
logger.error("blog not found blogname=%s", blogname)
return
return info["blog"]
def bloginfo():
return _bloginfo(_client(), settings.BLOG_NAME)
def get_post(client, blogname, post_id=None, offset=0, reblog_info=False, notes_info=False):
res = client.posts(blogname, id=post_id, offset=offset, limit=1,
reblog_info=reblog_info, notes_info=notes_info)
if res is None or "posts" not in res or not res["posts"]:
logger.error("post not found bloname=%s, id=%s", blogname, post_id)
return
return res["posts"][0]
def random_post(client, blogname, maxposts, limday, min_note):
MAX_TRIES = 7
for _ in range(MAX_TRIES):
offset = randrange(maxposts)
post = get_post(client, blogname, offset=offset, reblog_info=True, notes_info=True)
if post is None:
continue
if post["state"] != "published":
continue
if post["note_count"] < min_note:
continue
if dateutil.parser.parse(post["date"]) > limday:
continue
return post, offset
def reblog_filter(post, myname=None):
notes = post.get("notes")
if not notes:
return
res = []
for note in notes:
if (note["type"] == "reblog" and note["blog_name"] != myname
and note["reblog_parent_blog_name"] != myname):
res.append(note)
return max(res, key=lambda x: x["timestamp"]) if res else None
def random_reblog(blogname, num, before, min_note):
client = _client()
info = _bloginfo(client, blogname)
if info is None:
return
if info["queue"] >= settings.MIN_QUEUE:
logger.debug("queue %d >= MIN_QUEUE[%d]", info["queue"], settings.MIN_QUEUE)
info["reblogs"] = 0
return info
blogname = info["name"]
maxposts = info["posts"]
limday = datetime.now(pytz.utc) - timedelta(days=before)
if info["queue"] + num > settings.MAX_QUEUE:
num = settings.MAX_QUEUE - info["queue"]
offsets = []
for i in range(num * 2):
post, offset = random_post(client, blogname, maxposts, limday, min_note)
if post is None or offset in offsets:
logger.debug("[%d] - NG", i)
continue
rb = reblog_filter(post, myname=blogname)
if not rb:
logger.debug("[%d] - No notes", i)
continue
reblog = get_post(client, rb["blog_name"], post_id=rb["post_id"])
if reblog is None:
continue
offsets.append(offset)
logger.debug("[%d] - OK", i)
logger.debug("POST=%s, id=%s", post["date"], post["id"])
logger.debug(" ==> %s, '%s', notes=%d",
reblog["date"], reblog["blog_name"], reblog["note_count"])
client.reblog(blogname, id=reblog["id"], reblog_key=reblog["reblog_key"], state="queue")
reblog_save(
offset=offset,
post_id=post["id"],
post_date=post["date"],
post_url=post["post_url"],
source_url=post["source_url"] if "source_url" in post else "",
reblogged_to=reblog["blog_name"],
reblogged_date=reblog["date"],
note_count=reblog["note_count"])
if len(offsets) >= num:
break
else:
logger.error("exceeds maximum limits: %d", i)
info["reblogs"] = len(offsets)
logger.info("reblog! [%d]", info["reblogs"])
return info
def auto_reblog(num=settings.ADD_QUEUE):
t1 = time()
info = random_reblog(
blogname=settings.BLOG_NAME,
num=num,
before=settings.DAYS_BEFORE,
min_note=settings.MIN_NOTE)
t2 = time()
logger.info("elapsed_time: %.2f [sec]", t2 - t1)
if info is not None:
act_save(info["name"], info["queue"], info["followers"], info["posts"],
info["reblogs"], t2 - t1)
return info