Adding version subcommand to CLI (#329)

caravel/__init__.py

@@ -13,6 +13,8 @@ from flask.ext.appbuilder.baseviews import expose
 from flask.ext.cache import Cache
 from flask.ext.migrate import Migrate
 
+VERSION = '0.8.6'
+
 APP_DIR = os.path.dirname(__file__)
 CONFIG_MODULE = os.environ.get('CARAVEL_CONFIG', 'caravel.config')
 

caravel/ascii_art.py

@@ -71,3 +71,12 @@ stacktrace="""
 =======================================================================================================
 -------------------------------------------------------------------------------------------------------
 """
+
+boat = """\
+        + +
+        )`.).
+      )``)``) .~~
+      ).-'.-')|)
+    |-).-).-'_'-/
+ ~~~\ `o-o-o'  /~~~~
+  ~~~'---.____/~~~"""

caravel/bin/caravel

@@ -7,14 +7,13 @@ from __future__ import unicode_literals
 import logging
 from datetime import datetime
 from subprocess import Popen
+import textwrap
 
 from flask.ext.migrate import MigrateCommand
 from flask.ext.script import Manager
 
 import caravel
-from caravel import app
-from caravel import data, utils
-from caravel import db
+from caravel import app, ascii_art, db, data, utils
 
 config = app.config
 
@@ -57,6 +56,17 @@ def init():
     """Inits the Caravel application"""
     utils.init(caravel)
 
+@manager.command
+def version():
+    """Prints the current version number"""
+    s = (
+        "\n{boat}\n\n"
+        "-----------------------\n"
+        "Caravel {version}\n"
+        "-----------------------\n").format(
+        boat=ascii_art.boat, version=caravel.VERSION)
+    print(s)
+
 @manager.option(
     '-s', '--sample', action='store_true',
     help="Only load 1000 rows (faster, used for testing)")

setup.py

@@ -1,13 +1,14 @@
 from setuptools import setup, find_packages
 
-version = '0.8.6'
+VERSION = '0.8.6'
+
 
 setup(
     name='caravel',
     description=(
         "A interactive data visualization platform build on SqlAlchemy "
         "and druid.io"),
-    version=version,
+    version=VERSION,
     packages=find_packages(),
     include_package_data=True,
     zip_safe=False,
@@ -40,5 +41,5 @@ setup(
     author_email='maximebeauchemin@gmail.com',
     url='https://github.com/airbnb/caravel',
     download_url=(
-        'https://github.com/airbnb/caravel/tarball/' + version),
+        'https://github.com/airbnb/caravel/tarball/' + VERSION),
 )