Lint Python code during CI run (#33)

Use flake8 to check:
- Formatting compliance with PEP 8
- Code style consistency
- Cyclomatic complexity

A configuration file is provided to assist contributors with verifying compliance locally.

Author: per1234

.github/workflows/libraries_compile-examples.yml

@@ -20,6 +20,12 @@ jobs:
           python -m pip install --upgrade pip
           pip install --requirement "$GITHUB_WORKSPACE/libraries/compile-examples/reportsizetrends/requirements.txt"
 
+      - name: Lint with flake8
+        run: |
+          pip install --quiet flake8
+          pip install --quiet pep8-naming
+          flake8 --show-source "$GITHUB_WORKSPACE/libraries/compile-examples/reportsizetrends"
+
       - name: Run Python unit tests
         run: |
           export PYTHONPATH="$GITHUB_WORKSPACE/libraries/compile-examples/reportsizetrends"

reportsizetrends/.flake8

@@ -0,0 +1,5 @@
+[flake8]
+doctests = True
+max-complexity = 10
+max-line-length = 120
+select = E,W,F,C,N