Support formatted messages to remaining progress types

This is a followup to the changes for verigak#76. We can now remove the write function.

progress/__init__.py

@@ -91,13 +91,6 @@ def clearln(self):
         if self.file and self.is_tty():
             print('\r\x1b[K', end='', file=self.file)
 
-    def write(self, s):
-        if self.file and self.is_tty():
-            line = self.message + s.ljust(self._width)
-            print('\r' + line, end='', file=self.file)
-            self._width = max(self._width, len(s))
-            self.file.flush()
-
     def writeln(self, line):
         if self.file and self.is_tty():
             self.clearln()

progress/counter.py

@@ -20,12 +20,16 @@
 
 class Counter(Infinite):
     def update(self):
-        self.write(str(self.index))
+        message = self.message % self
+        line = ''.join([message, str(self.index)])
+        self.writeln(line)
 
 
 class Countdown(Progress):
     def update(self):
-        self.write(str(self.remaining))
+        message = self.message % self
+        line = ''.join([message, str(self.remaining)])
+        self.writeln(line)
 
 
 class Stack(Progress):
@@ -34,7 +38,9 @@ class Stack(Progress):
     def update(self):
         nphases = len(self.phases)
         i = min(nphases - 1, int(self.progress * nphases))
-        self.write(self.phases[i])
+        message = self.message % self
+        line = ''.join([message, self.phases[i]])
+        self.writeln(line)
 
 
 class Pie(Stack):