# -*- coding: utf-8 -*-
# This file is part of fintie.
# Copyright (C) 2018-present qytz <hhhhhf@foxmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""每日市场事件
获取每日市场事件，事件类型包括：
* 停牌、复牌
* 首发新股上市
* 首发新股招股书刊登
* 首发新股网上发行
* 中签率公告
* 授予股份上市
* 股东资格登记
* 股东大会召开
* 网络投票开始、网络投票结束
* 分红转增股权登记、分红转增除权除息、分红转增红利发放、分红转增股份上市
* 增发新股招股书刊登
等，信息获取通道包括：
http://www.cninfo.com.cn/cninfo-new/memo?queryDate=2017-07-19
加载已保存的数据::
import json
from pathlib import Path
with Path("xxx.json").open(encoding="utf-8") as f:
data = json.load(f)
"""
import os
import json
import asyncio
import logging
from pathlib import Path
from datetime import date, timedelta
import click
import aiohttp
from .cli import stock_cli_group, MODULE_DATA_DIR
from ..utils import iter_dt, parse_dt, fetch_http_data, add_doc
__all__ = ["async_get_market_events", "get_market_events"]
logger = logging.getLogger(__file__)
async def _init(session, force=False):
return True
[文档]async def async_get_market_events(session, start, end, data_path=None):
"""从巨潮信息网获取某天的交易日历
:param session: `aiohttp.ClientSession` 对象，同步接口不需要传
:param start: 日历数据开始时间
:param end: 日历数据结束时间
:param data_path: 数据保存路径
:returns: 日历数据 `dict`
"""
datas = {}
await _init(session)
async def fetch_one_day(day_str):
url = "http://www.cninfo.com.cn/cninfo-new/memo/memoQuery"
try:
async with session.post(url, data={"queryDate": day_str}) as resp:
datas[day_str] = await resp.json()
except (aiohttp.ServerTimeoutError, asyncio.TimerHandle) as e:
logger.warning("Download calendar event data for %s failed：%s.", day_str, e)
aws = []
for day in iter_dt(start, end, include_end=True):
day_str = day.strftime("%Y-%m-%d")
aws.append(fetch_one_day(day_str))
await asyncio.gather(*aws, return_exceptions=True)
logger.info("calendar event data from %s to %s has been downloaded.", start, end)
if data_path:
file_path = Path(data_path) / MODULE_DATA_DIR / "market_events"
os.makedirs(file_path, exist_ok=True)
data_file = (
file_path / f"{start.strftime('%Y%m%d')}-{end.strftime('%Y%m%d')}.json"
)
with data_file.open("w", encoding="utf-8") as dataf:
json.dump(datas, dataf, indent=4, ensure_ascii=False)
logger.info("calendar data has been saved to: %s", data_file)
return datas
[文档]@add_doc(async_get_market_events.__doc__)
def get_market_events(*args, **kwargs):
ret = fetch_http_data(async_get_market_events, *args, **kwargs)
if isinstance(ret, Exception):
raise ret
return ret
@click.option(
"-st", "--start", default=str(date.today() - timedelta(days=30)), show_default=True
)
@click.option("-ed", "--end", default=str(date.today()), show_default=True)
@click.option(
"-f",
"--save-path",
type=click.Path(exists=False)
)
@click.option("-p/-np", "--print/--no-print", "show", default=True)
@stock_cli_group.command("cale")
@click.pass_context
def market_events_cli(ctx, start, end, save_path, show):
"""从cninfo获取日历事件"""
start_dt = parse_dt(start)
end_dt = parse_dt(end)
if not save_path:
save_path = ctx.obj["data_path"]
data = get_market_events(start_dt, end_dt, save_path)
if show:
click.echo(json.dumps(data, indent=2, ensure_ascii=False))
if __name__ == "__main__":
market_events_cli()