Move version information into python package.

Makefile

@@ -1,6 +1,6 @@
 NAME=redash
-VERSION=0.3
-FULL_VERSION=$(VERSION).$(CIRCLE_BUILD_NUM)
+VERSION=`python ./manage.py version`
+FULL_VERSION=$(VERSION)+b$(CIRCLE_BUILD_NUM)
 FILENAME=$(CIRCLE_ARTIFACTS)/$(NAME).$(FULL_VERSION).tar.gz
 
 deps:

manage.py

@@ -10,7 +10,7 @@ atfork.stdlib_fixer.fix_logging_module()
 import argparse
 import logging
 import time
-from redash import settings, app, data_manager
+from redash import settings, app, data_manager, __version__
 
 
 def start_workers():
@@ -53,6 +53,7 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     subparsers = parser.add_subparsers(title='command', dest='command')
 
+    subparsers.add_parser('version', help='display version')
     subparsers.add_parser('worker', help='start query execution workers')
     server_parser = subparsers.add_parser('server', help='start api server')
     server_parser.add_argument('--debug',
@@ -71,7 +72,9 @@ if __name__ == '__main__':
 
     args = parser.parse_args()
 
-    if args.command == "worker":
+    if args.command == 'version':
+        print __version__
+    elif args.command == "worker":
         start_workers()
     elif args.command == 'db':
         create_db(args.create_tables, args.drop_tables)

redash/__init__.py

@@ -7,6 +7,7 @@ from flask_peewee.db import Database
 import redis
 from redash import settings, utils
 
+__version__ = '0.3.1'
 
 app = Flask(__name__,
             template_folder=settings.STATIC_ASSETS_PATH,