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EMWebApi/utils/fin_mda.py

73 lines
2.2 KiB

"""东方财富 CHOICE API 管理层讨论与分析(MD&A)抓取工具。
- 输入: 股票代码列表 (如 ['603233.SH'])
- 输出: pandas DataFrame (年报/中报的董事会报告索引, 含标题与页码)
- 不需要登录, 不需要 cookie, 无文件落盘
"""
from __future__ import annotations
import pandas as pd
from utils._emchoice import fetch_report
_REPORT_NAME = "RPT_BUSINESSANALYSIS"
# 列清单沿用 docs/api_docs.md 抓包值
_COLUMNS = (
"ORG_CODE,SECUCODE,SECURITY_CODE,SECURITY_INNER_CODE,SECURITY_NAME_ABBR,"
"REPORT_DATE,REPORT_NAME,NOTICE_DATE,SOURCE,RELINFOCODE,TITLE,PAGE"
)
# 只取年报/中报的讨论与分析
_REPORT_NAMES = '"年报","中报"'
def _build_params(
secucode: str,
start_date: str,
end_date: str,
) -> dict[str, str]:
"""构造 RPT_BUSINESSANALYSIS 查询参数."""
return {
"source": "CHOICE",
"reportName": _REPORT_NAME,
"columns": _COLUMNS,
"quoteColumns": "",
"filter": (
f'(SECUCODE="{secucode}")(REPORT_NAME in ({_REPORT_NAMES}))'
f"(REPORT_DATE<='{end_date}')(REPORT_DATE>='{start_date}')"
),
"pageNumber": "1",
"pageSize": "50",
"sortTypes": "-1",
"sortColumns": "REPORT_DATE",
"client": "SW",
}
def _fetch_one(secucode: str, years: int) -> pd.DataFrame:
"""拉一只股票的管理层讨论与分析."""
today = pd.Timestamp.today()
start = (today - pd.DateOffset(years=years)).strftime("%Y-%m-%d")
end = today.strftime("%Y-%m-%d")
rows = fetch_report(_build_params(secucode, start, end))
df = pd.DataFrame(rows)
if not df.empty:
df["SECUCODE"] = secucode
return df
def get_mda(secucodes: list[str], years: int = 5) -> pd.DataFrame:
"""抓取指定股票的管理层讨论与分析(年报/中报)并按股票合并。"""
codes = [code.strip() for code in secucodes if code.strip()]
if not codes:
return pd.DataFrame()
frames: list[pd.DataFrame] = []
for code in codes:
df = _fetch_one(code, years)
if not df.empty:
frames.append(df)
if not frames:
return pd.DataFrame()
return pd.concat(frames, ignore_index=True)