File size: 4,075 Bytes
6f5156a | 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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | import json
import logging
import os
import time
import urllib.parse
import urllib.request
from datetime import date
from legex.models.base import Case
from legex.scrapers.base import BaseScraper
log = logging.getLogger(__name__)
API = "https://www.law.go.kr/DRF/lawSearch.do"
USER_AGENT = "LegEx/1.0 South Korea precedent API"
DEFAULT_QUERY = "손해배상"
DEFAULT_DISPLAY = 100
MAX_RESULTS = 130
DELAY_SECONDS = 0.2
def _request_json(params: dict[str, str]) -> dict:
query = urllib.parse.urlencode(params)
req = urllib.request.Request(
f"{API}?{query}",
headers={"User-Agent": USER_AGENT},
)
with urllib.request.urlopen(req, timeout=60) as response:
return json.loads(response.read().decode("utf-8"))
def _normalize_date(raw: str) -> str:
if len(raw) == 8 and raw.isdigit():
return f"{raw[:4]}-{raw[4:6]}-{raw[6:]}"
return raw
class KRScraper(BaseScraper):
country = "Südkorea"
def __init__(self) -> None:
self._oc = os.environ.get("LAW_GO_KR_OC", "").strip()
if not self._oc:
raise ValueError("LAW_GO_KR_OC is required. Set a registered law.go.kr Open API OC value.")
self._query = os.environ.get("LAW_GO_KR_QUERY", DEFAULT_QUERY)
def scrape(
self,
start_date: date | None = None,
end_date: date | None = None,
) -> list[Case]:
cases: list[Case] = []
page = 1
while len(cases) < MAX_RESULTS:
params = {
"OC": self._oc,
"target": "prec",
"type": "JSON",
"query": self._query,
"display": str(DEFAULT_DISPLAY),
"page": str(page),
}
data = _request_json(params)
if "result" in data and "실패" in str(data.get("result")):
raise RuntimeError(json.dumps(data, ensure_ascii=False))
prec = data.get("PrecSearch") or data.get("precSearch") or data
items = prec.get("prec") or prec.get("items") or []
if isinstance(items, dict):
items = [items]
if not items:
break
for item in items:
court = str(item.get("법원명") or item.get("courtName") or "")
if court and "대법원" not in court:
continue
raw_date = str(item.get("선고일자") or item.get("decisionDate") or "")
iso_date = _normalize_date(raw_date)
decision_date: date | None = None
if iso_date:
try:
decision_date = date.fromisoformat(iso_date)
except ValueError:
decision_date = None
if start_date and decision_date and decision_date < start_date:
continue
if end_date and decision_date and decision_date > end_date:
continue
case_no = str(item.get("사건번호") or item.get("caseNo") or item.get("판례일련번호") or "")
title = str(item.get("사건명") or item.get("caseName") or item.get("판례명") or "")
serial = str(item.get("판례일련번호") or item.get("ID") or "")
link = f"https://www.law.go.kr/precInfoP.do?precSeq={serial}" if serial else ""
cases.append(Case(
case_id=case_no or serial or None,
link=link or None,
decision_date=decision_date,
jurisdiction="kr",
language="ko",
full_text=None,
metadata={"case_title": title} if title else {},
))
if len(cases) >= MAX_RESULTS:
break
page += 1
time.sleep(DELAY_SECONDS)
cases.sort(key=lambda c: c.decision_date or date.min, reverse=True)
log.info("Collected %d South Korea Supreme Court cases", len(cases))
return cases
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