mcp-server-semgrep/semgrep-rules/python/lang/best-practice/logging-error-without-handling.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
  - id: logging-error-without-handling
    patterns:
      - pattern-inside: |
          try:
            ...
          except ...:
            ...
          ...
      - pattern-either:
          - pattern: |
              logger.$FUNC(...)
              ...
              raise
          - pattern: |
              logger.$FUNC(...)
              ...
              raise $EX
          - pattern: |
              logger.$FUNC(...)
              ...
              raise $EX from $EX2
      - metavariable-regex:
          metavariable: $FUNC
          regex: (error|exception)
    message: Errors should only be logged when handled. The code logs the error and propogates the exception, consider reducing the level to warning or info.
    languages:
      - python
    severity: WARNING
    metadata:
      category: best-practice
      technology:
        - python