Enable multiple progressbars be created.

clint/textui/progress.py

@@ -87,7 +87,10 @@ def show(self, progress, count=None):
                     self.expected_size, self.etadisp))
                 STREAM.flush()
 
-    def done(self):
+    def done(self, create_new=False):
+        if create_new:
+            return Bar(self.label, self.width, self.hide, self.empty_char,
+                       self.filled_char, self.expected_size, self.every)
         self.elapsed = time.time() - self.start
         elapsed_disp = self.format_time(self.elapsed)
         if not self.hide:

examples/progressbar.py

@@ -12,12 +12,18 @@
 
 
 if __name__ == '__main__':
+    with progress.Bar(expected_size=100.) as bar:
+        for i in range(3):
+            for i in range(100):
+                sleep(0.01)
+                bar.show(i)
+            bar = bar.done(i is not 3)
     for i in progress.bar(range(100)):
         sleep(random() * 0.2)
-        
+
     with progress.Bar(label="nonlinear", expected_size=10) as bar:
         last_val = 0
-        for val in (1,2,3,9,10):
+        for val in (1, 2, 3, 9, 10):
             sleep(2 * (val - last_val))
             bar.show(val)
             last_val = val