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11 changes: 11 additions & 0 deletions codeflash/result/common_tags.py
Original file line number Diff line number Diff line change
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from __future__ import annotations


def find_common_tags(articles: list[dict[str, list[str]]]) -> set[str]:
if not articles:
return set()

common_tags = articles[0].get("tags", [])
for article in articles[1:]:
common_tags = [tag for tag in common_tags if tag in article.get("tags", [])]
return set(common_tags)
22 changes: 22 additions & 0 deletions tests/test_common_tags.py
Original file line number Diff line number Diff line change
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from codeflash.result.common_tags import find_common_tags


def test_common_tags_1() -> None:
articles_1 = [
{"title": "Article 1", "tags": ["Python", "AI", "ML"]},
{"title": "Article 2", "tags": ["Python", "Data Science", "AI"]},
{"title": "Article 3", "tags": ["Python", "AI", "Big Data"]},
]

expected = {"Python", "AI"}

assert find_common_tags(articles_1) == expected

articles_2 = [
{"title": "Article 1", "tags": ["Python", "AI", "ML"]},
{"title": "Article 2", "tags": ["Python", "Data Science", "AI"]},
{"title": "Article 3", "tags": ["Python", "AI", "Big Data"]},
{"title": "Article 4", "tags": ["Python", "AI", "ML"]},
]

assert find_common_tags(articles_2) == expected
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