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import re
from typing import Optional, Dict
_UNIT_TABLE: Dict[str, float] = {
"円": 1.0,
"千円": 1_000.0,
"百万円": 1_000_000.0, # 100万円 = 1,000,000 円
"千万円": 10_000_000.0,
"億円": 100_000_000.0,
}
def detect_unit(text: str) -> Optional[str]:
"""
「単位：千円」「単位: 百万円」「単位は億円」などから最頻のものを拾う
"""
if not text: return None
cand = re.findall(r"単位[：:\s]*([^\s\)（(]+?円)", text)
for u in cand:
if u in _UNIT_TABLE:
return u
# 「（単位：千円）」のような括弧パターンも拾う
cand2 = re.findall(r"[（(]\s*単位[：:\s]*([^\s\)）]+?円)\s*[)）]", text)
for u in cand2:
if u in _UNIT_TABLE:
return u
return None
def unit_factor(unit_label: Optional[str]) -> float:
if unit_label in _UNIT_TABLE:
return _UNIT_TABLE[unit_label]
return 1.0 # 既定は円
def scale_financials_yen(fin: dict, factor: float) -> dict:
"""抽出された数値（PDFの単位ベース）を円に換算して返す"""
if not fin: return fin
out = {k:(v if not isinstance(v, dict) else v.copy()) for k,v in fin.items()}
for sec in ("balance_sheet","income_statement","cash_flows"):
d = out.get(sec)
if not isinstance(d, dict): continue
for k, v in d.items():
try:
out[sec][k] = None if v in (None,"", "null") else float(v) * factor
except Exception:
out[sec][k] = None
return out
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