ējtdZddlmZddlZddlmZddlmZddlm Z eGddZ eGd d Z d d Z y) a Canonical data contracts for the PDF import pipeline. StagedTransaction and ParseError are the only types parsers ever return. Parsers NEVER import from ORM models, Flask, or SQLAlchemy. compute_dedup_hash() is the canonical hash function used by: - All PDF parsers (when building StagedTransaction instances) - The transactions blueprint (Story 3.3, manual entry dedup) - staging_pipeline.py (Story 9.1, pre-commit dedup check) ) annotationsN) dataclass)date)DecimalcleZdZUdZded<ded<ded<ded<ded <ded <ded <d ed <ded<y)StagedTransactionzCCanonical output of any PDF/CSV parser. Never touches the database.rstr merchant_rawmerchant_normalizedramountbool is_creditissuer dedup_hashfloatconfidence_scoreraw_textN__name__ __module__ __qualname____doc____annotations__9/var/www/html/financials/app/services/pdf_parsers/base.pyrrs5M J OO KOMrrc:eZdZUdZded<ded<ded<ded<y) ParseErroruGStructured parse failure — surfaced per-row, not raised as exception.int page_numberr rreasonparser_versionNrrrrrr"sQM Krrc|t||j}tj|j dj S)a= Canonical dedup hash: SHA256(normalized_merchant + str(amount) + date.isoformat()). Args: normalized_merchant: Cleaned merchant name (post-normalization). amount: Transaction amount as Decimal. txn_date: Transaction date. Returns: 64-character lowercase hex digest. zutf-8)r isoformathashlibsha256encode hexdigest)normalized_merchantr txn_datepayloads rcompute_dedup_hashr,+sF %%c&k]83E3E3G2HIG >>'..1 2 < < >>r)r)r r rr*rreturnr ) r __future__rr% dataclassesrdatetimerdecimalrrrr,rrrr2sv #!       ?? ?? ?r