haystack/haystack/utils/cleaning.py
Sara Zan 13510aa753
Refactoring of the haystack package (#1624)
* Files moved, imports all broken

* Fix most imports and docstrings into

* Fix the paths to the modules in the API docs

* Add latest docstring and tutorial changes

* Add a few pipelines that were lost in the inports

* Fix a bunch of mypy warnings

* Add latest docstring and tutorial changes

* Create a file_classifier module

* Add docs for file_classifier

* Fixed most circular imports, now the REST API can start

* Add latest docstring and tutorial changes

* Tackling more mypy issues

* Reintroduce  from FARM and fix last mypy issues hopefully

* Re-enable old-style imports

* Fix some more import from the top-level  package in an attempt to sort out circular imports

* Fix some imports in tests to new-style to prevent failed class equalities from breaking tests

* Change document_store into document_stores

* Update imports in tutorials

* Add latest docstring and tutorial changes

* Probably fixes summarizer tests

* Improve the old-style import allowing module imports (should work)

* Try to fix the docs

* Remove dedicated KnowledgeGraph page from autodocs

* Remove dedicated GraphRetriever page from autodocs

* Fix generate_docstrings.sh with an updated list of yaml files to look for

* Fix some more modules in the docs

* Fix the document stores docs too

* Fix a small issue on Tutorial14

* Add latest docstring and tutorial changes

* Add deprecation warning to old-style imports

* Remove stray folder and import Dict into dense.py

* Change import path for MLFlowLogger

* Add old loggers path to the import path aliases

* Fix debug output of convert_ipynb.py

* Fix circular import on BaseRetriever

* Missed one merge block

* re-run tutorial 5

* Fix imports in tutorial 5

* Re-enable squad_to_dpr CLI from the root package and move get_batches_from_generator into document_stores.base

* Add latest docstring and tutorial changes

* Fix typo in utils __init__

* Fix a few more imports

* Fix benchmarks too

* New-style imports in test_knowledge_graph

* Rollback setup.py

* Rollback squad_to_dpr too

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2021-10-25 15:50:23 +02:00

30 lines
820 B
Python

import re
def clean_wiki_text(text: str) -> str:
"""
Clean wikipedia text by removing multiple new lines, removing extremely short lines,
adding paragraph breaks and removing empty paragraphs
"""
# get rid of multiple new lines
while "\n\n" in text:
text = text.replace("\n\n", "\n")
# remove extremely short lines
lines = text.split("\n")
cleaned = []
for l in lines:
if len(l) > 30:
cleaned.append(l)
elif l[:2] == "==" and l[-2:] == "==":
cleaned.append(l)
text = "\n".join(cleaned)
# add paragraphs (identified by wiki section title which is always in format "==Some Title==")
text = text.replace("\n==", "\n\n\n==")
# remove empty paragrahps
text = re.sub(r"(==.*==\n\n\n)", "", text)
return text