🚚 修复上游 api 跑路 (#143)

rate.py

@@ -1,42 +1,52 @@
-""" Pagermaid currency exchange rates plugin. Plugin by @fruitymelon """
+""" Pagermaid currency exchange rates plugin. Plugin by @fruitymelon and @xtaodada """
 
-import asyncio, json
-from json.decoder import JSONDecodeError
+import sys
 import urllib.request
 from pagermaid.listener import listener
 
-API = "https://api.exchangeratesapi.io/latest"
+imported = True
+API = "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml"
 currencies = []
-data = {}
-
-inited = False
+rates = {}
 
 
 def init():
     with urllib.request.urlopen(API) as response:
         result = response.read()
         try:
-            global data
-            data = json.loads(result)
-            data["rates"][data["base"]] = 1.0
-            for key in list(enumerate(data["rates"])):
-                currencies.append(key[1])
+            global rate_data, rates
+            rate_data = xmltodict.parse(result)
+            rate_data = rate_data['gesmes:Envelope']['Cube']['Cube']['Cube']
+            for i in rate_data:
+                currencies.append(i['@currency'])
+                rates[i['@currency']] = float(i['@rate'])
             currencies.sort()
-        except JSONDecodeError as e:
+        except Exception as e:
             raise e
-        global inited
-        inited = True
 
 
-init()
+try:
+    import xmltodict
+
+    init()
+except ImportError:
+    imported = False
+
+
+def logsync(message):
+    sys.stdout.writelines(f"{message}\n")
+
+
+logsync("rate: loading... If failed, please install xmltodict first.")
 
 
 @listener(is_plugin=True, outgoing=True, command="rate",
           description="货币汇率插件",
           parameters="<FROM> <TO> <NB>")
 async def rate(context):
-    while not inited:
-        await asyncio.sleep(1)
+    if not imported:
+        await context.edit("请先安装依赖：`python3 -m pip install xmltodict`\n随后，请重启 pagermaid。")
+        return
     if not context.parameter:
         await context.edit(
             f"这是货币汇率插件\n\n使用方法: `-rate <FROM> <TO> <NB>`\n\n支持货币: \n{', '.join(currencies)}")
@@ -57,4 +67,5 @@ async def rate(context):
     if currencies.count(TO) == 0:
         await context.edit(f"{TO}不是支持的货币. \n\n支持货币: \n{', '.join(currencies)}")
         return
-    await context.edit(f'{FROM} : {TO} = {NB} : {round(data["rates"][TO]/data["rates"][FROM]*NB,2)}')
+    rate_num = round(rates[TO] / rates[FROM] * NB, 2)
+    await context.edit(f'{FROM} : {TO} = {NB} : {rate_num}')