Remove WriterFile buffering from PR

qiyuansz05 · May 28, 2020 · 9154552 · 9154552
1 parent 71b1781
commit 9154552
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/backtrader/writer.py b/backtrader/writer.py
@@ -122,14 +122,9 @@ def start(self):
             self.writelineseparator()
             self.writeiterable(self.headers, counter='Id')
 
-        self.buffer = []
-
     def stop(self):
-        self.out.write("\n".join(self.buffer) + "\n")
-        self.buffer = None
         if self.close_out:
             self.out.close()
-            self.out = None
 
     def next(self):
         if self.p.csv:
@@ -157,7 +152,7 @@ def writeiterable(self, iterable, func=None, counter=''):
         self.writeline(line)
 
     def writeline(self, line):
-        self.buffer.append(line)
+        self.out.write(line + '\n')
 
     def writelines(self, lines):
         for l in lines: