profile| Runs pylint against external code, generating profile-heatmaps

* Use https gitub uri so we do not need creditials
* Shallow clone so we don't pull more data than we need
* Ensure we skip external profiling unless explicitly wanted

1 files changed, 17 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index ed9ea4f9d..70a0a327b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -157,4 +157,21 @@ commands =
                          --benchmark-group-by="group" \
                          {posargs:}
 
+[testenv:profile_against_external]
+deps =
+   https://github.com/PyCQA/astroid/tarball/master#egg=astroid-master-2.0
+   gprof2dot
+   mccabe
+   pytest
+   pytest-profiling
+   pytest-xdist
+
+setenv =
+  PYTEST_PROFILE_EXTERNAL = 1
+
+commands =
+    python -Wi -m pytest --exitfirst \
+                         --profile-svg \
+                         {toxinidir}/tests/profile/test_profile_against_externals.py
+
 changedir = {toxworkdir}