Merge pull request #7147 from edx/benp/static-code-analysis-radon

Benp/static code analysis radon

pavelib/quality.py

@@ -200,6 +200,25 @@ def _count_pep8_violations(report_file):
 
 @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([
     ("compare-branch=", "b", "Branch to compare against, defaults to origin/master"),
     ("percentage=", "p", "fail if diff-quality is below this percentage"),

requirements/edx/base.txt

@@ -142,6 +142,7 @@ pep8==1.5.7
 PyContracts==1.7.1
 pylint==1.4.1
 python-subunit==0.0.16
+radon==1.2
 rednose==0.3
 selenium==2.42.1
 splinter==0.5.4

scripts/all-tests.sh

@@ -79,9 +79,10 @@ case "$TEST_SUITE" in
         # Run quality task. Pass in the 'fail-under' percentage to diff-quality
         paver run_quality -p 100
 
+        mkdir -p reports
+        paver run_complexity > reports/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
         cat > reports/quality.xml <<END
 <?xml version="1.0" encoding="UTF-8"?>
 <testsuite name="quality" tests="1" errors="0" failures="0" skip="0">