Enable code coverage

Author: mdko

.coveragerc

@@ -9,7 +9,7 @@ exclude_lines =
     pragma: no cover
 
     # ignore pass statements that are not run:
-    # sometimes you need them to make a block (especially for unittetsts)
+    # sometimes you need them to make a block (especially for unittests)
     # need to be really careful with this one because 'pass' shows up in other places as well
     \spass\s
     \spass$
@@ -28,4 +28,8 @@ exclude_lines =
 
 ignore_errors = True
 
-omit = .tox/*
+omit =
+    .tox/*
+    */ctypes/*
+    six.py
+    pyparsing.py

.github/workflows/python-package.yml

@@ -20,6 +20,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install tox tox-gh-actions
+        pip install tox tox-gh-actions coverage
     - name: Test with tox
-      run: tox
+      run: tox
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1

tox.ini

@@ -24,8 +24,8 @@ setenv =
     PYTHONPATH = {toxinidir}
 
 commands =
-    test: nosetests ./tests #--with-coverage
-    test: nosetests ./tests/rtllib #--with-coverage
+    test: nosetests ./tests --with-coverage
+    test: nosetests ./tests/rtllib --with-coverage
     test: pylint -E pyrtl/
     pycodestyle: pycodestyle --max-line-length=100 --ignore=W503 pyrtl/
     pycodestyle: pycodestyle --max-line-length=100 --ignore=W503 examples/