Add CLI command to open IPython shell

redash/cli/__init__.py

@@ -68,3 +68,23 @@ def send_test_mail(email=None):
     mail.send(Message(subject="Test Message from Redash", recipients=[email],
                       body="Test message."))
 
+
+@manager.command()
+def ipython():
+    """Starts IPython shell instead of the default Python shell."""
+    import sys
+    import IPython
+    from flask.globals import _app_ctx_stack
+    app = _app_ctx_stack.top.app
+
+    banner = 'Python %s on %s\nIPython: %s\nRedash version: %s\n' % (
+        sys.version,
+        sys.platform,
+        IPython.__version__,
+        __version__
+    )
+
+    ctx = {}
+    ctx.update(app.make_shell_context())
+
+    IPython.embed(banner1=banner, user_ns=ctx)