ci: add gitea workflow for syntax and memory leak checks

- Python 2/3 syntax validation
- Static analysis for memory leak patterns
- Unbounded collection detection
- Circular reference checks

.gitea/workflows/ci.yml

@@ -0,0 +1,129 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  syntax-check:
+    runs-on: linux_amd64
+    steps:
+      - name: Checkout
+        run: |
+          git clone --depth 1 --branch "${GITHUB_REF_NAME}" \
+            "https://oauth2:${{ github.token }}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git" .
+
+      - name: Python 2 syntax check
+        run: |
+          echo "Checking Python 2 syntax..."
+          failed=0
+          for f in ppf.py proxywatchd.py scraper.py httpd.py \
+                   config.py dbs.py fetch.py connection_pool.py \
+                   engines.py translations.py http2.py \
+                   mysqlite.py misc.py comboparse.py soup_parser.py; do
+            if [ -f "$f" ]; then
+              if python2 -m py_compile "$f" 2>/dev/null; then
+                echo "OK $f"
+              else
+                echo "FAIL $f"
+                failed=1
+              fi
+            fi
+          done
+          exit $failed
+
+      - name: Python 3 syntax check
+        run: |
+          echo "Checking Python 3 syntax..."
+          for f in *.py; do
+            python3 -m py_compile "$f" 2>/dev/null && echo "OK $f" || echo "WARN $f"
+          done
+
+  memory-leak-check:
+    runs-on: linux_amd64
+    container:
+      image: python:2.7-slim
+    steps:
+      - name: Checkout
+        run: |
+          apt-get update && apt-get install -y git
+          git clone --depth 1 --branch "${GITHUB_REF_NAME}" \
+            "https://oauth2:${{ github.token }}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git" .
+
+      - name: Install dependencies
+        run: |
+          pip install --quiet objgraph || true
+
+      - name: Check for memory leak patterns
+        run: |
+          echo "Scanning for common memory leak patterns..."
+          failed=0
+
+          # Check for unbounded list/dict growth without limits
+          echo "Checking for unbounded collections..."
+          for f in ppf.py proxywatchd.py scraper.py httpd.py; do
+            if [ -f "$f" ]; then
+              # Look for .append() without corresponding size limits
+              if grep -n "\.append(" "$f" | grep -v "# bounded" | grep -v "_max\|max_\|limit\|[:]\|pop(" > /tmp/unbounded 2>/dev/null; then
+                count=$(wc -l < /tmp/unbounded)
+                if [ "$count" -gt 20 ]; then
+                  echo "WARN $f: $count potential unbounded appends"
+                fi
+              fi
+            fi
+          done
+
+          # Check for circular references
+          echo "Checking for potential circular references..."
+          for f in ppf.py proxywatchd.py scraper.py httpd.py connection_pool.py; do
+            if [ -f "$f" ]; then
+              if grep -n "self\.\w* = self" "$f" 2>/dev/null; then
+                echo "WARN $f: potential self-reference"
+              fi
+            fi
+          done
+
+          # Check for __del__ methods (often problematic)
+          echo "Checking for __del__ methods..."
+          for f in *.py; do
+            if grep -n "def __del__" "$f" 2>/dev/null; then
+              echo "WARN $f: has __del__ method (may cause leaks)"
+            fi
+          done
+
+          # Check that gc is imported where needed
+          echo "Checking gc module usage..."
+          for f in proxywatchd.py httpd.py; do
+            if [ -f "$f" ]; then
+              if ! grep -q "^import gc" "$f" && ! grep -q "^from gc" "$f"; then
+                echo "INFO $f: gc module not imported"
+              fi
+            fi
+          done
+
+          echo "Memory leak pattern scan complete"
+
+      - name: Static import check
+        run: |
+          echo "Verifying imports..."
+          python2 -c "
+import sys
+sys.path.insert(0, '.')
+try:
+    import config
+    print('OK config')
+except Exception as e:
+    print('FAIL config:', e)
+try:
+    import misc
+    print('OK misc')
+except Exception as e:
+    print('FAIL misc:', e)
+try:
+    import mysqlite
+    print('OK mysqlite')
+except Exception as e:
+    print('FAIL mysqlite:', e)
+"