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gists/repos/e0f5e471500f9fc4b890/migrate.py

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2015-04-17 01:45:35 +00:00
import pymongo
import logging
import sys
from sqlalchemy.exc import IntegrityError
from pymongo import MongoClient
from tweeply.models import TweeplyMessage, Credential, User, Database
from tweeply.utils import update_config
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
#MONGODB: USERNAME, PASSWORD, HOST, DB
if __name__ == '__main__':
settings = update_config({})
msettings = settings["MONGODB"]
tsettings = settings["TWITTER"]
mongoclient = MongoClient(msettings["HOST"])
mongo = mongoclient[msettings['DB']]
logger.debug("Connecting to {}/{} as {}:{}".format(
msettings["HOST"],
msettings["DB"],
msettings.get("USERNAME", None),
msettings.get("PASSWORD", None)))
if "USERNAME" in msettings and "PASSWORD" in msettings:
mongo.authenticate(msettings['USERNAME'], msettings['PASSWORD'])
db = Database(settings)
not_import = set(["garbage", "system.indexes"])
collections = set(mongo.collection_names()) - not_import
if "credentials" in collections:
logger.info("Adding credentials")
print("Adding credentials")
collections.remove("credentials")
for c in mongo["credentials"].find():
logger.info("\tFound: %s", c)
if "token" in c and "user" in c:
if not db.query(Credential).filter_by(user=c["user"]).first():
cred = Credential(user=c["user"],
access_token=c["token"][0],
access_token_secret=c["token"][1],
consumer_key=tsettings["CONSUMER_KEY"],
consumer_secret=tsettings["CONSUMER_SECRET"]
)
db.add(cred)
db.commit()
if "users" in collections:
logger.info("Adding users")
collections.remove("users")
for u in mongo["users"].find():
logger.info("\tFound: %s", c)
if "id" in u:
del u["_id"]
user = User(id=u["id"],
screen_name=u.get("screen_name", None),
raw=u)
try:
db.merge(user)
except IntegrityError:
pass
db.commit()
logger.info("Adding all messages")
for cname in collections:
collection = mongo[cname]
sofar = 0
skipped = 0
#maxid = collection.find().sort("msgid", -1).limit(1)[0]["msgid"]
#while maxid > 0:
#chunk = list(collection.find({"msgid": {"$lt": maxid}}).sort("msgid",-1).limit(100))
#maxid = chunk[-1]["msgid"]
msgs = []
for msg in collection.find():
msgs.append(msg)
sofar += 1
newmsg = TweeplyMessage(id=msg["msgid"],
collection=msg["collection"],
code=msg["code"],
payload=msg["payload"],
thread=msg.get("thread", 0),
multipart=msg.get("multipart", False),
stimestamp=msg.get("stimestamp", 0),
rtimestamp=msg.get("rtimestamp", 0))
try:
db.add(newmsg)
db.commit()
except IntegrityError:
db.rollback()
skipped += 1
sys.stdout.write('\r\t%s messages so far. %s skipped' % (sofar, skipped))
#db.commit()
sys.stdout.write('\r\t%s messages read' % sofar)
added = db.query(TweeplyMessage).count()
logger.info("Added %s messages", added)