reconfigure running of rust and python tests

ci_scripts/run-python-test.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+#
+# Run Python functional test for Delta Chat core. 
+#
+
+set -e -x
+
+# build the core library 
+cargo build --release -p deltachat_ffi --target=$TARGET
+
+# Statically link against libdeltachat.a.
+export DCC_RS_DEV=$(pwd)
+
+cd python
+
+# remove and inhibit writing PYC files 
+rm -rf tests/__pycache__
+rm -rf src/deltachat/__pycache__
+export PYTHONDONTWRITEBYTECODE=1
+
+# run tox. The circle-ci project env-var-setting DCC_PY_LIVECONFIG 
+# allows running of "liveconfig" tests but for speed reasons
+# we run them only for the highest python version we support
+
+# we split out qr-tests run to minimize likelyness of flaky tests
+# (some qr tests are pretty heavy in terms of send/received
+# messages and async-imap's likely has concurrency problems, 
+# eg https://github.com/async-email/async-imap/issues/4 )
+tox -e lint,py37 -- --reruns 3 -k "not qr"
+tox -e py37 -- --reruns 5 -k "qr"
+unset DCC_PY_LIVECONFIG
+tox  -p4 -e lint,py35,py36,doc
+