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e57d3fe | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | from __future__ import annotations
import re
from pathlib import Path
_FILE_PLACEHOLDER_RE = re.compile(r"\{\{file:([^}]+)\}\}")
def expand_file_placeholders(
text: str,
*,
workspace_root: Path,
seen: set[Path] | None = None,
) -> str:
workspace_root = workspace_root.resolve()
active = set() if seen is None else set(seen)
def replace(match: re.Match[str]) -> str:
raw_ref = match.group(1).strip()
include_path = Path(raw_ref)
if not include_path.is_absolute():
include_path = workspace_root / include_path
include_path = include_path.resolve()
if include_path in active:
raise ValueError(f"cyclic {{file:...}} include detected at {include_path}")
included = include_path.read_text(encoding="utf-8")
return expand_file_placeholders(
included,
workspace_root=workspace_root,
seen={*active, include_path},
)
return _FILE_PLACEHOLDER_RE.sub(replace, text)
def materialize_expanded_card(
card_path: Path,
*,
workspace_root: Path,
out_dir: Path,
) -> Path:
card_path = card_path.resolve()
expanded = expand_file_placeholders(
card_path.read_text(encoding="utf-8"),
workspace_root=workspace_root,
seen={card_path},
)
out_dir.mkdir(parents=True, exist_ok=True)
output_path = out_dir / f".{card_path.stem}.expanded{card_path.suffix}"
output_path.write_text(expanded, encoding="utf-8")
return output_path
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