Fix：组件注册，先读原文件第一行，然后根据编码再读一次具体内容

cn.com.bankit.ide.bap.python.parser/src/cn/com/bankit/ide/bap/python/parser/PythonComponentParser.java

@@ -420,6 +420,7 @@ public class PythonComponentParser implements PythonComponentConstants
     {
         this.file = file;
         BufferedReader br = null;
+        charsetName = getCharsetName(file, charsetName);
         try
         {
             br = new BufferedReader(new InputStreamReader(new FileInputStream(file), charsetName));
@@ -503,4 +504,47 @@ public class PythonComponentParser implements PythonComponentConstants
 
         return words;
     }
+    
+    public String getCharsetName(File file, String charsetName) throws PythonParseExcption
+    {
+        BufferedReader br = null;
+        try
+		{
+			br = new BufferedReader(new InputStreamReader(new FileInputStream(file), charsetName));
+
+			String line = br.readLine();
+			int index = -1;
+			if (line != null) {
+				if ((index = line.indexOf("# -*- coding:")) > -1) {
+					int lastIdx = line.lastIndexOf("-*-");
+					if (lastIdx > -1) {
+						charsetName = line.substring(index + 13, lastIdx).trim();
+					} else {
+						charsetName = line.substring(index + 13).trim();
+					}
+				}
+			}
+
+			return charsetName;
+		}
+        catch (IOException e)
+        {
+            throw new PythonParseExcption(e);
+        }
+        finally
+        {
+            if (br != null)
+            {
+                try
+                {
+                    br.close();
+                }
+                catch (IOException e)
+                {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+    }
 }