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presidio/docs/samples/python/presidio_notebook.ipynb
2024-07-10 16:04:47 +03:00

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"source": [
"# download presidio\n",
"!pip install presidio_analyzer presidio_anonymizer\n",
"!python -m spacy download en_core_web_lg"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###### Path to notebook: [https://www.github.com/microsoft/presidio/blob/main/docs/samples/python/presidio_notebook.ipynb](https://www.github.com/microsoft/presidio/blob/main/docs/samples/python/presidio_notebook.ipynb)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"from presidio_analyzer import AnalyzerEngine, PatternRecognizer\n",
"from presidio_anonymizer import AnonymizerEngine\n",
"from presidio_anonymizer.entities import OperatorConfig\n",
"import json\n",
"from pprint import pprint"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Analyze Text for PII Entities\n",
"\n",
"Using Presidio Analyzer, analyze a text to identify PII entities. \n",
"The Presidio analyzer is using pre-defined entity recognizers, and offers the option to create custom recognizers.\n",
"\n",
"The following code sample will:\n",
"\n",
"- Set up the Analyzer engine: load the NLP module (spaCy model by default) and other PII recognizers\n",
"- Call analyzer to get analyzed results for \"PHONE_NUMBER\" entity type\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"text_to_anonymize = \"His name is Mr. Jones and his phone number is 212-555-5555\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"analyzer = AnalyzerEngine()\n",
"analyzer_results = analyzer.analyze(text=text_to_anonymize, entities=[\"PHONE_NUMBER\"], language='en')\n",
"\n",
"print(analyzer_results)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Create Custom PII Entity Recognizers\n",
"\n",
"Presidio Analyzer comes with a pre-defined set of entity recognizers. It also allows adding new recognizers without changing the analyzer base code, **by creating custom recognizers**. \n",
"In the following example, we will create two new recognizers of type `PatternRecognizer` to identify titles and pronouns in the analyzed text.\n",
"A `PatternRecognizer` is a PII entity recognizer which uses regular expressions or deny-lists.\n",
"\n",
"The following code sample will:\n",
"- Create custom recognizers\n",
"- Add the new custom recognizers to the analyzer\n",
"- Call analyzer to get results from the new recognizers"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"titles_recognizer = PatternRecognizer(supported_entity=\"TITLE\",\n",
" deny_list=[\"Mr.\",\"Mrs.\",\"Miss\"])\n",
"\n",
"pronoun_recognizer = PatternRecognizer(supported_entity=\"PRONOUN\",\n",
" deny_list=[\"he\", \"He\", \"his\", \"His\", \"she\", \"She\", \"hers\", \"Hers\"])\n",
"\n",
"analyzer.registry.add_recognizer(titles_recognizer)\n",
"analyzer.registry.add_recognizer(pronoun_recognizer)\n",
"\n",
"analyzer_results = analyzer.analyze(text=text_to_anonymize,\n",
" entities=[\"TITLE\", \"PRONOUN\"],\n",
" language=\"en\")\n",
"print(analyzer_results)\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Call Presidio Analyzer and get analyzed results with all the configured recognizers - default and new custom recognizers"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"analyzer_results = analyzer.analyze(text=text_to_anonymize, language='en')\n",
"\n",
"analyzer_results"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Anonymize Text with Identified PII Entities\n",
"\n",
"<br>Presidio Anonymizer iterates over the Presidio Analyzer result, and provides anonymization capabilities for the identified text.\n",
"<br>The anonymizer provides 5 types of anonymizers - replace, redact, mask, hash and encrypt. The default is **replace**\n",
"\n",
"<br>The following code sample will:\n",
"<ol>\n",
"<li>Setup the anonymizer engine </li>\n",
"<li>Create an anonymizer request - text to anonymize, list of anonymizers to apply and the results from the analyzer request</li>\n",
"<li>Anonymize the text</li>\n",
"</ol>"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"anonymizer = AnonymizerEngine()\n",
"\n",
"anonymized_results = anonymizer.anonymize(\n",
" text=text_to_anonymize,\n",
" analyzer_results=analyzer_results, \n",
" operators={\"DEFAULT\": OperatorConfig(\"replace\", {\"new_value\": \"<ANONYMIZED>\"}), \n",
" \"PHONE_NUMBER\": OperatorConfig(\"mask\", {\"type\": \"mask\", \"masking_char\" : \"*\", \"chars_to_mask\" : 12, \"from_end\" : True}),\n",
" \"TITLE\": OperatorConfig(\"redact\", {})}\n",
")\n",
"\n",
"print(f\"text: {anonymized_results.text}\")\n",
"print(\"detailed response:\")\n",
"\n",
"pprint(json.loads(anonymized_results.to_json()))"
]
},
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"execution_count": null,
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"display_name": "presidio",
"language": "python",
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