feature: new github action which limit the file changes in single PR to 20

.github/workflows/check_changed_files.py

@@ -0,0 +1,42 @@
+import os
+import sys
+
+def count_changed_files(base_branch, current_branch):
+    try:
+        base_branch = f"origin/{base_branch}"
+        current_branch = f"origin/{current_branch}"
+        # Run git command to get the list of changed files
+        command = f"git diff --name-only {base_branch}...{current_branch} | wc -l"
+        file_count = int(os.popen(command).read().strip())
+        return file_count
+    except Exception as e:
+        print(f"Error: {e}")
+        sys.exit(1)
+
+def main():
+    try:
+        # Get base branch and current commit
+        base_branch = sys.argv[1]
+        print(base_branch)
+        current_branch = sys.argv[2]
+        print(current_branch)
+
+        # Count changed files
+        file_count = count_changed_files(base_branch, current_branch)
+
+        print(f"Number of changed files: {file_count}")
+
+        # Check if the count exceeds 20
+        if file_count > 20:
+            print("Error: Too many files (greater than 20) changed in the pull request.")
+            print("Possible issues:")
+            print("- Contributor may be merging into an incorrect branch.")
+            print("- Source branch may be incorrect please use develop as source branch.")
+            sys.exit(1)
+
+    except IndexError:
+        print("Error: Please provide base branch and current commit as command line arguments.")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()

.github/workflows/pull-requests.yml

@@ -52,6 +52,34 @@ jobs:
         run: npm run lint:check  
 
 
+  Check-Changed-Files:
+    runs-on: ubuntu-latest
+    needs: Code-Quality-Checks
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v1
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install black pydocstyle
+
+      - name: Run Python script
+        run: |
+          python .github/workflows/check_changed_files.py "${{ github.base_ref }}" "${{ github.head_ref }}"
+
+      - name: Run Black
+        run: black .
+
+      - name: Run Pydocstyle
+        run: pydocstyle .
+
   Test-Application:
     name: Test Application
     runs-on: ubuntu-latest