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74 lines
2.0 KiB
74 lines
2.0 KiB
"""东方财富 CHOICE API 成长能力抓取工具。
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- 输入: 股票代码列表 (如 ['603233.SH'])
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- 输出: pandas DataFrame (按报告期的成长能力指标)
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- 不需要登录, 不需要 cookie, 无文件落盘
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"""
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from __future__ import annotations
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import pandas as pd
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from utils._emchoice import get_data_url, fetch_report
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_PATH = "/stock/f9/CWFX_CZNL"
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# 默认报告期类型: 1=一季报, 3=三季报, 5=中报, 6=年报
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_DEFAULT_REPORT_PERIOD_TYPE = "1,5,3,6,7"
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def _build_params(
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secucode: str,
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start_date: str,
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end_date: str,
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report_period_type: str,
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) -> dict[str, str]:
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"""构造 CWFX_CZNL 请求参数 (其余参数沿用 docs/api_docs.md 抓包值)."""
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return {
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"SecurityCode": secucode,
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"StartDate": start_date,
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"EndDate": end_date,
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"ReportPeriodType": report_period_type,
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"Digits": "2",
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"Sort": "-1",
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"IsShowEmptyRow": "true",
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}
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def _fetch_one(
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secucode: str,
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years: int,
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report_period_type: str,
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) -> pd.DataFrame:
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"""拉一只股票的成长能力指标."""
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today = pd.Timestamp.today()
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start = (today - pd.DateOffset(years=years)).strftime("%Y-%m-%d")
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end = today.strftime("%Y-%m-%d")
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params = _build_params(secucode, start, end, report_period_type)
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data_url = get_data_url(_PATH, params)
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rows = fetch_report(data_url)
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df = pd.DataFrame(rows)
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if not df.empty:
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df["SECUCODE"] = secucode
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return df
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def get_growth(
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secucodes: list[str],
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years: int = 3,
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report_period_type: str = _DEFAULT_REPORT_PERIOD_TYPE,
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) -> pd.DataFrame:
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"""抓取指定股票的成长能力指标并按股票合并。"""
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codes = [code.strip() for code in secucodes if code.strip()]
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if not codes:
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return pd.DataFrame()
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frames: list[pd.DataFrame] = []
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for code in codes:
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df = _fetch_one(code, years, report_period_type)
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if not df.empty:
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frames.append(df)
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if not frames:
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return pd.DataFrame()
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return pd.concat(frames, ignore_index=True)
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