fix cn_index collector (#780)

scripts/data_collector/cn_index/collector.py

@@ -6,13 +6,12 @@ import abc
 import sys
 import importlib
 from io import BytesIO
-from typing import List
+from typing import List, Iterable
 from pathlib import Path
 
 import fire
 import requests
 import pandas as pd
-from lxml import etree
 from loguru import logger
 
 CUR_DIR = Path(__file__).resolve().parent
@@ -22,12 +21,10 @@ from data_collector.index import IndexBase
 from data_collector.utils import get_calendar_list, get_trading_date_by_shift, deco_retry
 
 
-NEW_COMPANIES_URL = "http://www.csindex.com.cn/uploads/file/autofile/cons/{index_code}cons.xls"
+NEW_COMPANIES_URL = "https://csi-web-dev.oss-cn-shanghai-finance-1-pub.aliyuncs.com/static/html/csindex/public/uploads/file/autofile/cons/{index_code}cons.xls"
 
 
-# INDEX_CHANGES_URL = "http://www.csindex.com.cn/zh-CN/search/total?key=%E5%85%B3%E4%BA%8E%E8%B0%83%E6%95%B4%E6%B2%AA%E6%B7%B1300%E5%92%8C%E4%B8%AD%E8%AF%81%E9%A6%99%E6%B8%AF100%E7%AD%89%E6%8C%87%E6%95%B0%E6%A0%B7%E6%9C%AC%E8%82%A1%E7%9A%84%E5%85%AC%E5%91%8A"
-# 2020-11-27 Announcement title change
-INDEX_CHANGES_URL = "http://www.csindex.com.cn/zh-CN/search/total?key=%E5%85%B3%E4%BA%8E%E8%B0%83%E6%95%B4%E6%B2%AA%E6%B7%B1300%E5%92%8C%E4%B8%AD%E8%AF%81%E9%A6%99%E6%B8%AF100%E7%AD%89"
+INDEX_CHANGES_URL = "https://www.csindex.com.cn/csindex-home/search/search-content?lang=cn&searchInput=%E5%85%B3%E4%BA%8E%E8%B0%83%E6%95%B4%E6%B2%AA%E6%B7%B1300%E5%92%8C%E4%B8%AD%E8%AF%81%E9%A6%99%E6%B8%AF100%E7%AD%89%E6%8C%87%E6%95%B0%E6%A0%B7%E6%9C%AC&pageNum={page_num}&pageSize={page_size}&sortField=date&dateRange=all&contentType=announcement"
 
 REQ_HEADERS = {
     "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36 Edg/91.0.864.48"
@@ -55,7 +52,11 @@ class CSIIndex(IndexBase):
         -------
             calendar list
         """
-        return get_calendar_list(bench_code=self.index_name.upper())
+        _calendar = getattr(self, "_calendar_list", None)
+        if not _calendar:
+            _calendar = get_calendar_list(bench_code=self.index_name.upper())
+            setattr(self, "_calendar_list", _calendar)
+        return _calendar
 
     @property
     def new_companies_url(self) -> str:
@@ -135,7 +136,8 @@ class CSIIndex(IndexBase):
         res = []
         for _url in self._get_change_notices_url():
             _df = self._read_change_from_url(_url)
-            res.append(_df)
+            if not _df.empty:
+                res.append(_df)
         logger.info("get companies changes finish")
         return pd.concat(res, sort=False)
 
@@ -155,6 +157,56 @@ class CSIIndex(IndexBase):
         symbol = f"{int(symbol):06}"
         return f"SH{symbol}" if symbol.startswith("60") else f"SZ{symbol}"
 
+    def _parse_excel(self, excel_url: str, add_date: pd.Timestamp, remove_date: pd.Timestamp) -> pd.DataFrame:
+        content = retry_request(excel_url, exclude_status=[404]).content
+        _io = BytesIO(content)
+        df_map = pd.read_excel(_io, sheet_name=None)
+        with self.cache_dir.joinpath(
+            f"{self.index_name.lower()}_changes_{add_date.strftime('%Y%m%d')}.{excel_url.split('.')[-1]}"
+        ).open("wb") as fp:
+            fp.write(content)
+        tmp = []
+        for _s_name, _type, _date in [("调入", self.ADD, add_date), ("调出", self.REMOVE, remove_date)]:
+            _df = df_map[_s_name]
+            _df = _df.loc[_df["指数代码"] == self.index_code, ["证券代码"]]
+            _df = _df.applymap(self.normalize_symbol)
+            _df.columns = [self.SYMBOL_FIELD_NAME]
+            _df["type"] = _type
+            _df[self.DATE_FIELD_NAME] = _date
+            tmp.append(_df)
+        df = pd.concat(tmp)
+        return df
+
+    def _parse_table(self, content: str, add_date: pd.DataFrame, remove_date: pd.DataFrame) -> pd.DataFrame:
+        df = pd.DataFrame()
+        _tmp_count = 0
+        for _df in pd.read_html(content):
+            if _df.shape[-1] != 4:
+                continue
+            _tmp_count += 1
+            if self.html_table_index + 1 > _tmp_count:
+                continue
+            tmp = []
+            for _s, _type, _date in [
+                (_df.iloc[2:, 0], self.REMOVE, remove_date),
+                (_df.iloc[2:, 2], self.ADD, add_date),
+            ]:
+                _tmp_df = pd.DataFrame()
+                _tmp_df[self.SYMBOL_FIELD_NAME] = _s.map(self.normalize_symbol)
+                _tmp_df["type"] = _type
+                _tmp_df[self.DATE_FIELD_NAME] = _date
+                tmp.append(_tmp_df)
+            df = pd.concat(tmp)
+            df.to_csv(
+                str(
+                    self.cache_dir.joinpath(
+                        f"{self.index_name.lower()}_changes_{add_date.strftime('%Y%m%d')}.csv"
+                    ).resolve()
+                )
+            )
+            break
+        return df
+
     def _read_change_from_url(self, url: str) -> pd.DataFrame:
         """read change from url
 
@@ -174,75 +226,60 @@ class CSIIndex(IndexBase):
                 date: pd.Timestamp
                 type: str, value from ["add", "remove"]
         """
-        resp = retry_request(url)
-        _text = resp.text
+        resp = retry_request(url).json()["data"]
+        title = resp["title"]
+        if not title.startswith("关于"):
+            return pd.DataFrame()
+        if "沪深300" not in title:
+            return pd.DataFrame()
+
+        logger.info(f"load index data from https://www.csindex.com.cn/#/about/newsDetail?id={url.split('id=')[-1]}")
+        _text = resp["content"]
         date_list = re.findall(r"(\d{4}).*?年.*?(\d+).*?月.*?(\d+).*?日", _text)
         if len(date_list) >= 2:
             add_date = pd.Timestamp("-".join(date_list[0]))
         else:
             _date = pd.Timestamp("-".join(re.findall(r"(\d{4}).*?年.*?(\d+).*?月", _text)[0]))
             add_date = get_trading_date_by_shift(self.calendar_list, _date, shift=0)
+        if "盘后" in _text or "市后" in _text:
+            add_date = get_trading_date_by_shift(self.calendar_list, add_date, shift=1)
         remove_date = get_trading_date_by_shift(self.calendar_list, add_date, shift=-1)
-        logger.info(f"get {add_date} changes")
-        try:
-            excel_url = re.findall('.*href="(.*?xls.*?)".*', _text)[0]
-            content = retry_request(f"http://www.csindex.com.cn{excel_url}", exclude_status=[404]).content
-            _io = BytesIO(content)
-            df_map = pd.read_excel(_io, sheet_name=None)
-            with self.cache_dir.joinpath(
-                f"{self.index_name.lower()}_changes_{add_date.strftime('%Y%m%d')}.{excel_url.split('.')[-1]}"
-            ).open("wb") as fp:
-                fp.write(content)
-            tmp = []
-            for _s_name, _type, _date in [("调入", self.ADD, add_date), ("调出", self.REMOVE, remove_date)]:
-                _df = df_map[_s_name]
-                _df = _df.loc[_df["指数代码"] == self.index_code, ["证券代码"]]
-                _df = _df.applymap(self.normalize_symbol)
-                _df.columns = [self.SYMBOL_FIELD_NAME]
-                _df["type"] = _type
-                _df[self.DATE_FIELD_NAME] = _date
-                tmp.append(_df)
-            df = pd.concat(tmp)
-        except Exception as e:
-            df = None
-            _tmp_count = 0
-            for _df in pd.read_html(resp.content):
-                if _df.shape[-1] != 4:
-                    continue
-                _tmp_count += 1
-                if self.html_table_index + 1 > _tmp_count:
-                    continue
-                tmp = []
-                for _s, _type, _date in [
-                    (_df.iloc[2:, 0], self.REMOVE, remove_date),
-                    (_df.iloc[2:, 2], self.ADD, add_date),
-                ]:
-                    _tmp_df = pd.DataFrame()
-                    _tmp_df[self.SYMBOL_FIELD_NAME] = _s.map(self.normalize_symbol)
-                    _tmp_df["type"] = _type
-                    _tmp_df[self.DATE_FIELD_NAME] = _date
-                    tmp.append(_tmp_df)
-                df = pd.concat(tmp)
-                df.to_csv(
-                    str(
-                        self.cache_dir.joinpath(
-                            f"{self.index_name.lower()}_changes_{add_date.strftime('%Y%m%d')}.csv"
-                        ).resolve()
-                    )
-                )
-                break
+
+        excel_url = None
+        if resp.get("enclosureList", []):
+            excel_url = resp["enclosureList"][0]["fileUrl"]
+        else:
+            excel_url_list = re.findall('.*href="(.*?xls.*?)".*', _text)
+            if excel_url_list:
+                excel_url = excel_url_list[0]
+                if not excel_url.startswith("http"):
+                    excel_url = excel_url if excel_url.startswith("/") else "/" + excel_url
+                    excel_url = f"http://www.csindex.com.cn{excel_url}"
+        if excel_url:
+            logger.info(f"get {add_date} changes from excel, title={title}, excel_url={excel_url}")
+            try:
+                df = self._parse_excel(excel_url, add_date, remove_date)
+            except ValueError:
+                logger.warning(f"error downloading file: {excel_url}, will parse the table from the content")
+                df = self._parse_table(_text, add_date, remove_date)
+        else:
+            logger.info(f"get {add_date} changes from url content, title={title}")
+            df = self._parse_table(_text, add_date, remove_date)
         return df
 
-    def _get_change_notices_url(self) -> List[str]:
+    def _get_change_notices_url(self) -> Iterable[str]:
         """get change notices url
 
         Returns
         -------
             [url1, url2]
         """
-        resp = retry_request(self.changes_url)
-        html = etree.HTML(resp.text)
-        return html.xpath("//*[@id='itemContainer']//li/a/@href")
+        page_num = 1
+        page_size = 5
+        data = retry_request(self.changes_url.format(page_size=page_size, page_num=page_num)).json()
+        data = retry_request(self.changes_url.format(page_size=data["total"], page_num=page_num)).json()
+        for item in data["data"]:
+            yield f"https://www.csindex.com.cn/csindex-home/announcement/queryAnnouncementById?id={item['id']}"
 
     def get_new_companies(self) -> pd.DataFrame:
         """
@@ -270,7 +307,7 @@ class CSIIndex(IndexBase):
         df = df.iloc[:, [0, 4]]
         df.columns = [self.END_DATE_FIELD, self.SYMBOL_FIELD_NAME]
         df[self.SYMBOL_FIELD_NAME] = df[self.SYMBOL_FIELD_NAME].map(self.normalize_symbol)
-        df[self.END_DATE_FIELD] = pd.to_datetime(df[self.END_DATE_FIELD])
+        df[self.END_DATE_FIELD] = pd.to_datetime(df[self.END_DATE_FIELD].astype(str))
         df[self.START_DATE_FIELD] = self.bench_start_date
         logger.info("end of get new companies.")
         return df
@@ -287,7 +324,7 @@ class CSI300(CSIIndex):
 
     @property
     def html_table_index(self):
-        return 0
+        return 1
 
 
 class CSI100(CSIIndex):
@@ -301,7 +338,7 @@ class CSI100(CSIIndex):
 
     @property
     def html_table_index(self):
-        return 1
+        return 2
 
 
 def get_instruments(

scripts/data_collector/cn_index/requirements.txt

@@ -1,4 +1,3 @@
-logure
 fire
 requests
 pandas