{"id":28183,"library":"simplemma","title":"Simplemma","description":"A lightweight multilingual lemmatization and language detection library for Python. Current version: 1.1.2. Release cadence: irregular, with major breaking changes at v1.0.0. Requires Python >=3.8.","status":"active","version":"1.1.2","language":"python","source_language":"en","source_url":"https://github.com/adbar/simplemma","tags":["lemmatization","nlp","multilingual","language-detection"],"install":[{"cmd":"pip install simplemma","lang":"bash","label":"Install from PyPI"}],"dependencies":[],"imports":[{"note":"Direct import is preferred and more efficient.","wrong":"import simplemma; simplemma.lemmatize()","symbol":"lemmatize","correct":"from simplemma import lemmatize"},{"note":"No common mistake.","symbol":"is_known_word","correct":"from simplemma import is_known_word"},{"note":"The submodule was renamed from 'langdetect' to 'language_detector' in v1.0.0.","wrong":"from simplemma.langdetect import LanguageDetector","symbol":"LanguageDetector","correct":"from simplemma.language_detector import LanguageDetector"}],"quickstart":{"code":"from simplemma import lemmatize\n\n# Lemmatize a single word\nresult = lemmatize('running', lang='en')\nprint(result)  # 'run'\n\n# With greedy mode (more aggressive rule-based lemmatization)\nresult_greedy = lemmatize('better', lang='en', greedy=True)\nprint(result_greedy)  # 'good'","lang":"python","description":"Basic usage of simplemma for lemmatizing a word with optional greedy mode."},"warnings":[{"fix":"Replace 'extensive=True' with 'greedy=True'.","message":"The 'extensive' argument was renamed to 'greedy' in v1.0.0. Using 'extensive' will raise an error.","severity":"breaking","affected_versions":">=1.0.0"},{"fix":"Use 'from simplemma.language_detector import LanguageDetector'.","message":"The 'langdetect' submodule has been renamed to 'language_detector' in v1.0.0. Old imports will fail.","severity":"breaking","affected_versions":">=1.0.0"},{"fix":"Migrate to 'simplemma.language_detector' (v1.0.0+) and ensure you are using v1.1.2+.","message":"The 'simplemma.langdetect' submodule is removed in v1.1.2. Old code using it will break.","severity":"deprecated","affected_versions":">=1.1.2"},{"fix":"Consider enabling greedy mode or pre-checking with 'is_known_word()'.","message":"Lemmatization is dictionary-based; unknown words may be returned unchanged. Use 'greedy=True' for more aggressive (rule-based) fallback.","severity":"gotcha","affected_versions":"all"},{"fix":"Use 'LanguageDetector().detect(text)' instead of the removed 'simplemma.langdetect'.","message":"Language detection requires that you call 'LanguageDetector()' with the appropriate parameters; the old 'langdetect' function from v0.x is not available.","severity":"gotcha","affected_versions":">=1.0.0"}],"env_vars":null,"last_verified":"2026-05-09T00:00:00.000Z","next_check":"2026-08-07T00:00:00.000Z","problems":[{"fix":"Change import to: 'from simplemma.language_detector import LanguageDetector'","cause":"The 'langdetect' submodule was renamed to 'language_detector' in v1.0.0 and removed in v1.1.2.","error":"AttributeError: module 'simplemma' has no attribute 'langdetect'"},{"fix":"Use 'greedy=True' instead of 'extensive=True'.","cause":"The 'extensive' argument was renamed to 'greedy' in v1.0.0.","error":"TypeError: lemmatize() got an unexpected keyword argument 'extensive'"},{"fix":"Use 'from simplemma.language_detector import LanguageDetector'.","cause":"The submodule 'langdetect' has been removed as of v1.1.2.","error":"ModuleNotFoundError: No module named 'simplemma.langdetect'"},{"fix":"Check your language code against the list of supported languages (e.g., 'en', 'de', 'fr').","cause":"Language codes must be lowercase ISO 639-1 codes. Unknown or misspelled codes cause this error.","error":"ValueError: Wrong language code"}],"ecosystem":"pypi","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}