Append cbr_ru/xml_metall/main.py

gil9red · gil9red · commit 9da0b4eb5143 · 2016-10-28T12:27:12.000+05:00
diff --git a/cbr_ru/xml_metall/main.py b/cbr_ru/xml_metall/main.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+__author__ = 'ipetrash'
+
+
+if __name__ == '__main__':
+    from datetime import date
+    date_req1 = '01.01.2000'
+    date_req2 = date.today().strftime('%d.%m.%Y')
+
+    file_name = 'metall_{}-{}.xml'.format(date_req1, date_req2)
+
+    # Кеширование. Если файла нет, то скачиваем его.
+    import os.path
+    if not os.path.exists(file_name):
+        url = 'http://www.cbr.ru/scripts/xml_metall.asp?date_req1={}&date_req2={}'.format(date_req1, date_req2)
+
+        with open(file_name, 'w') as f:
+            import requests
+            rs = requests.get(url)
+            f.write(rs.text)
+
+    with open(file_name, 'rb') as f:
+        from bs4 import BeautifulSoup
+        root = BeautifulSoup(f, "xml")
+
+        # Code="1" -- Золото
+        # Code="2" -- Серебро
+        # Code="3" -- Платина
+        # Code="4" -- Палладий
+        records = root.find_all('Record', attrs=dict(Code="1"))
+
+        # for i, record in enumerate((records[0], records[-1]), 1):
+        for i, record in enumerate(records, 1):
+            # b'<Record Date="06.01.2000" Code="1"><Buy>231,94</Buy><Sell>246,67</Sell></Record>\n\n'
+            # record["Code"]
+            print('{}. {}: {}'.format(i, record["Date"], record.findChild("Buy").text))
