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Allows disabling NLTK, adds it as a consideration for low power devices

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This commit is contained in:
Trenton H 2022-09-23 07:32:17 -07:00
parent c44c914d3d
commit 1e891414a3
3 changed files with 9 additions and 1 deletions
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2
docs/setup.rst
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@ -774,6 +774,8 @@ configuring some options in paperless can help improve performance immensely:
OCR results.
* If using docker, consider setting ``PAPERLESS_WEBSERVER_WORKERS`` to
1. This will save some memory.
* Consider setting ``PAPERLESS_ENABLE_NLTK`` to false, to disable the more
advanced language processing, which can take more memory and processing time.
For details, refer to :ref:`configuration`.

2
src/documents/classifier.py
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@ -312,7 +312,7 @@ class DocumentClassifier:
content = re.sub(r"[^\w\s]", " ", content)
# If the NLTK language is supported, do further processing
if settings.NLTK_LANGUAGE is not None:
if settings.NLTK_LANGUAGE is not None and settings.NLTK_ENABLED:
import nltk

6
src/paperless/settings.py
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@ -709,6 +709,10 @@ ENABLE_UPDATE_CHECK = os.getenv("PAPERLESS_ENABLE_UPDATE_CHECK", "default")
if ENABLE_UPDATE_CHECK != "default":
ENABLE_UPDATE_CHECK = __get_boolean("PAPERLESS_ENABLE_UPDATE_CHECK")
###############################################################################
# Machine Learning #
###############################################################################
def _get_nltk_language_setting(ocr_lang: str) -> Optional[str]:
"""
@ -735,4 +739,6 @@ def _get_nltk_language_setting(ocr_lang: str) -> Optional[str]:
return iso_code_to_nltk.get(ocr_lang, None)
NLTK_ENABLED: Final[bool] = __get_boolean("PAPERLESS_ENABLE_NLTK", "yes")
NLTK_LANGUAGE: Optional[str] = _get_nltk_language_setting(OCR_LANGUAGE)