zulip/tools/semgrep.yml

# See https://github.com/returntocorp/semgrep/blob/develop/docs/config.md for semgrep rule format

rules:
  - id: deprecated-render-usage
    pattern: django.shortcuts.render_to_response(...)
    message: Use render() (from django.shortcuts) instead of render_to_response()
    languages: [python]
    severity: ERROR
  - id: useless-if-body
    patterns:
        - pattern: |
            if $X:
                $S
            else:
                $S
    message: "useless if statment; both blocks have the same body"
    languages: [python]
    severity: ERROR