From 471bd2c0a878c70a5ae63df5030a0284a46e7eb4 Mon Sep 17 00:00:00 2001
From: Ben Patterson <bpatterson@edx.org>
Date: Thu, 26 Feb 2015 20:29:32 -0500
Subject: [PATCH] Enable code complexity reporting.

---
 pavelib/quality.py   | 19 +++++++++++++++++++
 scripts/all-tests.sh |  1 +
 2 files changed, 20 insertions(+)

diff --git a/pavelib/quality.py b/pavelib/quality.py
index a5c7eb4634..2f1584fede 100644
--- a/pavelib/quality.py
+++ b/pavelib/quality.py
@@ -173,6 +173,25 @@ def _count_pep8_violations(report_file):
     return num_lines
 
 
+@task
+@needs('pavelib.prereqs.install_python_prereqs')
+def run_complexity():
+    """
+    Uses radon to examine cyclomatic complexity.
+    For additional details on radon, see http://radon.readthedocs.org/
+    """
+    system_string = 'cms/ lms/ common/ openedx/'
+    print "--> Calculating cyclomatic complexity of files..."
+    try:
+        sh(
+            "radon cc {system_string} --total-average".format(
+                system_string=system_string
+            )
+        )
+    except BuildFailure:
+        print "ERROR: Unable to calculate python-only code-complexity."
+
+
 @task
 @needs('pavelib.prereqs.install_python_prereqs')
 @cmdopts([
diff --git a/scripts/all-tests.sh b/scripts/all-tests.sh
index 3767d10492..3a6ee2ec44 100755
--- a/scripts/all-tests.sh
+++ b/scripts/all-tests.sh
@@ -80,6 +80,7 @@ case "$TEST_SUITE" in
         # Run quality task. Pass in the 'fail-under' percentage to diff-quality
         paver run_quality -p 100
 
+        paver run_complexity > code_complexity.log || echo "Unable to calculate code complexity. Ignoring error."
         # Need to create an empty test result so the post-build
         # action doesn't fail the build.
         mkdir -p reports