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from app.core.document_validator import path_is_valid
import re
"""
Replaces the matched regular exp with link via html <a></a>
"""
def create_url(match: re.Match) -> str:
path: str = match.group(1)
page: str = match.group(2)
lines: str = match.group(3)
start: str = match.group(4)
if not path_is_valid(path):
return ""
return f'<a href="/viewer?path={path}&page={page}&lines={lines}&start={start}">[Source]</a>'
"""
Replaces all occurrences of citation pattern with links
"""
def add_links(response: str) -> str:
citation_format = r"\[Source:\s*([^,]+?)\s*,\s*Page:\s*(\d+)\s*,\s*Lines:\s*(\d+\s*-\s*\d+)\s*,\s*Start:?\s*(\d+)\]"
return re.sub(pattern=citation_format, repl=create_url, string=response)
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