mirror of
https://github.com/denizsafak/abogen.git
synced 2026-09-20 11:40:57 +02:00
Artem Akymenko
2d18501839
- Add expand_metadata_aliases() for concept fan-out (series→5, author→2, description→2, tags→3 keys) - Replace _normalize_metadata_tags in webui/service.py with normalize_metadata_map from domain - Replace _normalize_metadata in epub3/exporter.py with normalize_metadata_map from domain - Replace manual fan-out in form.py with expand_metadata_aliases() - Rewrite metadata_overrides.py to use expand_metadata_aliases() - Remove unused normalize_metadata_casefold import from exporters.py - 19 new tests for expand_metadata_aliases (1528 total)
57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
"""OPDS metadata normalization.
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Normalizes metadata keys from various OPDS/Calibre sources into
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a canonical set of overrides for the audiobook conversion pipeline.
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"""
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from __future__ import annotations
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from typing import Any, Dict, Mapping
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from abogen.domain.metadata_helpers import expand_metadata_aliases
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def normalize_opds_metadata(metadata_payload: Mapping[str, Any]) -> Dict[str, Any]:
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"""Normalize OPDS/Calibre metadata into canonical override keys.
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Takes a metadata payload with various key aliases (e.g. 'series'/'series_name',
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'tags'/'keywords', 'authors'/'creator') and returns a dict with all
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concept aliases expanded.
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Args:
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metadata_payload: Raw metadata dict from OPDS/Calibre import.
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Returns:
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Dict with all canonical metadata key aliases expanded.
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"""
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def _stringify(value: Any) -> str:
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if value is None:
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return ""
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if isinstance(value, (list, tuple, set)):
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parts = [str(item).strip() for item in value if item is not None]
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return ", ".join(part for part in parts if part)
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return str(value).strip()
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# Map OPDS-specific keys to common concept keys before expansion
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normalized_input: Dict[str, Any] = {}
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for key, value in metadata_payload.items():
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if value is None:
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continue
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key_lower = str(key).strip().lower()
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if not key_lower:
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continue
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text = _stringify(value)
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if not text:
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continue
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# Map OPDS-specific author aliases
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if key_lower in ("creator", "dc_creator"):
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normalized_input["author"] = text
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# Map OPDS-specific subtitle aliases
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elif key_lower in ("sub_title", "calibre_subtitle"):
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normalized_input["subtitle"] = text
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else:
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normalized_input[key_lower] = text
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return expand_metadata_aliases(normalized_input)
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