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fund_downloader.py
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fund_downloader.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# -------------------------------
# File : fund_downloader.py
# Date : 2019/9/1 0001
# Author : Chen Ji
# Email : fzls.zju@gmail.com
# -------------------------------
import json
import os
import random
import shutil
import requests
# 若过期，则参考 https://fundf10.eastmoney.com/jjjz_000216.html 页面的请求，更新cookie
headers = {
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3",
"Accept-Encoding": "gzip, deflate",
"Accept-Language": "en,zh-CN;q=0.9,zh;q=0.8,zh-TW;q=0.7,en-GB;q=0.6,ja;q=0.5",
"Cache-Control": "max-age=0",
"Connection": "keep-alive",
"Cookie": "qgqp_b_id=2678f31d9266f2a387bfd72a2eb6ae0d; AUTH_FUND.EASTMONEY.COM_GSJZ=AUTH*TTJJ*TOKEN; HAList=ty-100-N225-%u65E5%u7ECF225; EMFUND1=null; EMFUND2=null; EMFUND3=null; EMFUND4=null; EMFUND5=null; EMFUND6=null; EMFUND0=null; EMFUND8=02-05%2019%3A36%3A48@%23%24%u534E%u5B89%u65E5%u7ECF225ETF@%23%24513880; EMFUND9=02-05%2019%3A37%3A07@%23%24%u6613%u65B9%u8FBE%u65E5%u7ECF225ETF@%23%24513000; st_si=92844999740212; st_asi=delete; EMFUND7=02-11 16:11:28@#$%u534E%u5B89%u9EC4%u91D1%u6613ETF%u8054%u63A5A@%23%24000216; st_pvi=34726450000364; st_sp=2023-04-16%2020%3A01%3A45; st_inirUrl=http%3A%2F%2Ffund.eastmoney.com%2Fdata%2Ffundranking.html; st_sn=7; st_psi=20240211161221905-112200305283-7518348517",
"DNT": "1",
"Host": "api.fund.eastmoney.com",
"If-None-Match": "b56a685e-f638-4ccc-820d-c0495e577277",
"Referer": "https://fundf10.eastmoney.com/",
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36",
}
class FundDailyInfo:
time = "" # 日期
unit_net_value = 0.0 # 单位净值
daily_growth_rate = 0.0 # 日增长率
def __init__(self, time: str, unit_net_val: float, daily_growth_rate: float):
self.time = time
self.unit_net_value = unit_net_val
self.daily_growth_rate = daily_growth_rate
def __str__(self):
return "%s %f %f" % (self.time, self.unit_net_value, self.daily_growth_rate)
class FundDownloader:
url = "http://api.fund.eastmoney.com/f10/lsjz?callback=jQuery18304544093691286102_1567163891868&fundCode=%s&pageIndex=1&pageSize=%d&startDate=&endDate=&_=1567164070044"
total_count = 0
data = [] # sort by time inc
def __init__(self, fund_code: str, page_size=10000):
self.url = self.url % (fund_code, page_size)
self._download_data()
def _download_data(self):
res = None
for attempt in range(20):
try:
res = requests.get(self.url, headers=headers)
except Exception as e:
print("error during requests.get({}), attempt={}, e={}".format(self.url, attempt, e))
else:
break
left_index = res.text.find("(")
right_index = res.text.rfind(")")
data = json.loads(res.text[left_index + 1:right_index])
self.total_count = data["TotalCount"]
max_index = min(data["TotalCount"], data["PageSize"])
self.data = [FundDailyInfo("", 0, 0.0) for x in range(max_index)]
for idx, item in enumerate(data["Data"]["LSJZList"]):
index = max_index - idx - 1
if item["JZZZL"] == "":
item["JZZZL"] = "0.0"
if item["DWJZ"] == "":
item["DWJZ"] = "1.0"
self.data[index] = FundDailyInfo(item["FSRQ"], float(item["DWJZ"]), float(item["JZZZL"]))
def print(self):
for info in self.data:
print(info)
class FundInfo:
code = ""
name = ""
def __init__(self, code: str, name: str):
self.code = code
self.name = name
def __str__(self):
return "%s %s" % (self.code, self.name)
class AllFundDownloader:
get_all_funds_api = "http://fund.eastmoney.com/data/rankhandler.aspx?op=ph&dt=kf&ft=all&rs=&gs=0&sc=zzf&st=desc&sd=2019-01-06&ed=2020-01-06&qdii=&tabSubtype=,,,,,&pi=1&pn=60000&dx=1&v=0.5921715210640965"
funds = []
def __init__(self):
res = requests.get(self.get_all_funds_api, headers=headers)
left = "datas:"
right = ",allRecords"
left_index = res.text.find(left)
right_index = res.text.rfind(right)
data = json.loads(res.text[left_index + len(left):right_index])
for str in data:
cols = str.split(",")
code = cols[0]
name = cols[1]
self.funds.append(FundInfo(code, name))
def print(self):
for info in self.funds:
print(info)
class FundGuzhiChartDownloader:
get_all_funds_guzhi_api = "http://j4.dfcfw.com/charts/pic6/{code}.png?v={rand}"
funds = []
def __init__(self, code, name, result_dir):
self.code = code
self.name = name
self.url = self.get_all_funds_guzhi_api.format(code=self.code, rand=random.random())
self.result_dir = result_dir
self.filepath = os.path.join(self.result_dir, '{}.png'.format(self.code))
def save_to_local(self) -> bool:
res = requests.get(self.url, stream=True)
if res.status_code == 200:
with open(self.filepath, 'wb') as f:
res.raw.decode_content = True
shutil.copyfileobj(res.raw, f)
return res.status_code == 200
if __name__ == '__main__':
fd = FundGuzhiChartDownloader("161035", "富国中证医药主题指数增强", "guzhi_images")
fd.save_to_local()