Add data_analysis_tool/src/data_analysis_tool/cli.py
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data_analysis_tool/src/data_analysis_tool/cli.py
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51
data_analysis_tool/src/data_analysis_tool/cli.py
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import argparse
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import json
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from pathlib import Path
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from data_analysis_tool.core import analyze_data
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def main():
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"""Command-line entry point for Magnetometer Data Analysis Tool."""
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parser = argparse.ArgumentParser(
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description="Analysiert Magnetometerdaten aus einer CSV-Datei und erzeugt eine JSON-Ausgabedatei."
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)
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parser.add_argument(
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"--input",
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required=True,
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help="Pfad zur CSV-Eingabedatei mit Magnetometerdaten."
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)
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parser.add_argument(
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"--output",
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required=False,
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default="output/analysis_results.json",
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help="Pfad zur Ausgabe-JSON-Datei mit Analyseergebnissen."
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)
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args = parser.parse_args()
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input_path = Path(args.input)
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output_path = Path(args.output)
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# Input validation
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if not input_path.exists() or not input_path.is_file():
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raise FileNotFoundError(f"Eingabedatei nicht gefunden: {input_path}")
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output_path.parent.mkdir(parents=True, exist_ok=True)
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# Perform analysis
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try:
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results = analyze_data(str(input_path))
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except Exception as e:
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raise RuntimeError(f"Analysefehler: {e}") from e
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# Write results to JSON file
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try:
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with open(output_path, "w", encoding="utf-8") as f:
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json.dump(json.loads(results.to_json()), f, indent=2)
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print(f"Analyse abgeschlossen. Ergebnisse gespeichert in: {output_path}")
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except Exception as e:
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raise RuntimeError(f"Fehler beim Schreiben der Ausgabedatei: {e}") from e
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if __name__ == "__main__":
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main()
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