From dd53c7a2a7fb8c85dacb8908edcb3c997b6c353d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=2E=20Fernando=20S=C3=A1nchez?= <balkian@gmail.com>
Date: Fri, 17 Apr 2015 03:45:35 +0200
Subject: [PATCH]

---
 migrate.py | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 migrate.py

diff --git a/migrate.py b/migrate.py
new file mode 100644
index 0000000..32eb180
--- /dev/null
+++ b/migrate.py
@@ -0,0 +1,99 @@
+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)
+