gti
d21a9d1140
git-subtree-dir: fiscal git-subtree-mainline:d95165fc8fgit-subtree-split:102ba84500
30 lines
1.5 KiB
Python
30 lines
1.5 KiB
Python
"""Fail-closed text parser for the official RICMS/BA Anexo 1 PDF."""
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import re
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_ITEM = re.compile(r"^\s*(\d{1,2}(?:\.\d+)+)\s+(?:(\d{2}\.\d{3}\.\d{2})\s+)?(.*)$")
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_NCM = re.compile(r"\b(?:\d{4}(?:\.\d{1,4}){0,3}|\d{2}(?:\.\d{1,4}){1,3})\b")
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_MVA = re.compile(r"\d+(?:,\d+)?%")
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def parse_page(text, page):
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records, rejected = [], []
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lines = [" ".join(line.split()) for line in text.splitlines()]
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index = 0
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while index < len(lines):
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match = _ITEM.match(lines[index])
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if not match:
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index += 1; continue
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item, cest, content = match.groups(); block = [content]; index += 1
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while index < len(lines) and not _ITEM.match(lines[index]) and not lines[index].startswith("ITEM CEST"):
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block.append(lines[index]); index += 1
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joined = " ".join(block)
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ncm = _NCM.findall(joined)
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if not cest and not ncm:
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rejected.append({"item": item, "source_page": page, "reason": "NO_CEST_OR_NCM"}); continue
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mvas = _MVA.findall(joined)
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description = joined
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if cest: description = description.replace(cest, "")
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for code in ncm: description = description.replace(code, "")
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for mva in mvas: description = description.replace(mva, "")
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records.append({"item": item, "cest": cest, "ncm_sh": ncm or None, "description": " ".join(description.split()) or None, "mva_original": mvas[-1] if mvas else None, "mva_adjusted": mvas[0] if mvas else None, "agreement_info": None, "source_page": page})
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return records, rejected
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