Warm tab complete.

Author: swh76

docker/client/Dockerfile

@@ -55,4 +55,9 @@ COPY jupyter /.jupyter
 RUN chown cryo:smurf -R /.jupyter
 ENV JUPYTER_CONFIG_DIR=/.jupyter
 
+# IPython startup script to pre-warm tab completion
+RUN mkdir -p /.ipython/profile_default/startup
+COPY jupyter/ipython_startup.py /.ipython/profile_default/startup/00-warm-completion.py
+RUN chown cryo:smurf -R /.ipython
+
 ENTRYPOINT ["start_client.sh"]

docker/client/jupyter/ipython_startup.py

@@ -0,0 +1,18 @@
+import threading
+
+
+def _warm_completion():
+    """Pre-warm jedi's completion cache for SmurfControl."""
+    try:
+        import pysmurf.client
+        obj = pysmurf.client.SmurfControl(offline=True)
+        dir(obj)
+        from IPython import get_ipython
+        ip = get_ipython()
+        if ip is not None:
+            ip.complete('obj.get')
+    except Exception:
+        pass
+
+
+threading.Thread(target=_warm_completion, daemon=True).start()