Change default location for db and logs to ~/.caravel Fix #915 (#947)

caravel/config.py

@@ -15,7 +15,9 @@
 from flask_appbuilder.security.manager import AUTH_DB
 
 BASE_DIR = os.path.abspath(os.path.dirname(__file__))
-
+DATA_DIR = os.path.join(os.path.expanduser('~'), '.caravel')
+if not os.path.exists(DATA_DIR):
+    os.makedirs(DATA_DIR)
 
 # ---------------------------------------------------------
 # Caravel specific config
@@ -34,10 +36,7 @@
 SECRET_KEY = '\2\1thisismyscretkey\1\2\e\y\y\h'  # noqa
 
 # The SQLAlchemy connection string.
-SQLALCHEMY_DATABASE_URI = 'sqlite:////tmp/caravel.db'
-# this is for platform specific: "nt" is for windows, "posix" is *nix (including Mac)
-if os.name == "nt":
-    SQLALCHEMY_DATABASE_URI = 'sqlite:///c:\\tmp\\caravel.db'
+SQLALCHEMY_DATABASE_URI = 'sqlite:///' + os.path.join(DATA_DIR, 'caravel.db')
 # SQLALCHEMY_DATABASE_URI = 'mysql://myapp@localhost/myapp'
 # SQLALCHEMY_DATABASE_URI = 'postgresql://root:password@localhost/myapp'
 
@@ -172,7 +171,7 @@
 
 ENABLE_TIME_ROTATE = False
 TIME_ROTATE_LOG_LEVEL = 'DEBUG'
-FILENAME = '/tmp/caravel.log'
+FILENAME = os.path.join(DATA_DIR, 'caravel.log')
 ROLLOVER = 'midnight'
 INTERVAL = 1
 BACKUP_COUNT = 30

docs/installation.rst

@@ -136,7 +136,7 @@ of the parameters you can copy / paste in that configuration module: ::
     # caravel metadata (slices, connections, tables, dashboards, ...).
     # Note that the connection information to connect to the datasources
     # you want to explore are managed directly in the web UI
-    SQLALCHEMY_DATABASE_URI = 'sqlite:////tmp/caravel.db'
+    SQLALCHEMY_DATABASE_URI = 'sqlite:////path/to/caravel.db'
 
     # Flask-WTF flag for CSRF
     CSRF_ENABLED = True
@@ -149,7 +149,7 @@ for more information on how to configure Caravel.
 
 Please make sure to change:
 
-* *SQLALCHEMY_DATABASE_URI*, by default it is stored on */tmp* and so will be cleared after each boot
+* *SQLALCHEMY_DATABASE_URI*, by default it is stored at *~/.caravel/caravel.db*
 * *SECRET_KEY*, to a long random string
 
 Database dependencies
@@ -202,7 +202,7 @@ complies with the Flask-Cache specifications.
 Flask-Cache supports multiple caching backends (Redis, Memcached,
 SimpleCache (in-memory), or the local filesystem). If you are going to use
 Memcached please use the pylibmc client library as python-memcached does
-not handle storing binary data correctly. If you use Redis, please install 
+not handle storing binary data correctly. If you use Redis, please install
 [python-redis](https://pypi.python.org/pypi/redis).
 
 For setting your timeouts, this is done in the Caravel metadata and goes

tests/caravel_test_config.py

@@ -1,12 +1,11 @@
 from caravel.config import *
 
 AUTH_USER_REGISTRATION_ROLE = 'alpha'
-SQLALCHEMY_DATABASE_URI = 'sqlite:////tmp/caravel_unittests.db'
+SQLALCHEMY_DATABASE_URI = 'sqlite:///' + os.path.join(DATA_DIR, 'unittests.db')
 DEBUG = True
 CARAVEL_WEBSERVER_PORT = 8081
 
 # Allowing SQLALCHEMY_DATABASE_URI to be defined as an env var for
 # continuous integration
 if 'CARAVEL__SQLALCHEMY_DATABASE_URI' in os.environ:
     SQLALCHEMY_DATABASE_URI = os.environ.get('CARAVEL__SQLALCHEMY_DATABASE_URI')
-