Classify text files and write to the index file
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Classify each text file in a directory and write the results to the index file.
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For detailed documentation that includes this code sample, see the following:
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Classify text files and write to the index file\n\nClassify each text file in a directory and write the results to the index file.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Content Classification Tutorial](/natural-language/docs/classify-text-tutorial)\n\nCode sample\n-----------\n\n### Python\n\n\nTo learn how to install and use the client library for Natural Language, see\n[Natural Language client libraries](/natural-language/docs/reference/libraries).\n\n\nFor more information, see the\n[Natural Language Python API\nreference documentation](/python/docs/reference/language/latest).\n\n\nTo authenticate to Natural Language, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n def index(path, index_file):\n \"\"\"Classify each text file in a directory and write\n the results to the index_file.\n \"\"\"\n\n result = {}\n for filename in os.listdir(path):\n file_path = os.path.join(path, filename)\n\n if not os.path.isfile(file_path):\n continue\n\n try:\n with open(file_path) as f:\n text = f.read()\n categories = classify(text, verbose=False)\n\n result[filename] = categories\n except Exception:\n print(f\"Failed to process {file_path}\")\n\n with open(index_file, \"w\", encoding=\"utf-8\") as f:\n f.write(json.dumps(result, ensure_ascii=False))\n\n print(f\"Texts indexed in file: {index_file}\")\n return result\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=language)."]]