Moving Owlcat to trunk

Owlcat/Console.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+import sys
+import time
+import curses
+
+# Get width of terminal
+# I couldn't be bothered to get newline mode working properly when curses is active,
+# so I uses curses.wrapper() do init curses, get the width, then close curses.
+def get_width (scr):
+  global _width;
+  _width = scr.getmaxyx()[1] - 1;
+curses.wrapper(get_width);
+
+def timestamp (time_start,format="%H:%M:%S:"):
+  return time.strftime(format,time.gmtime(time.time()-time_start));
+
+class Reporter (object):
+  """A Reporter is used to make progress reports on the console, with optional timestamps."""
+  def __init__ (self,timestamp=False):
+    self.time_start = timestamp and time.time();
+
+  def overprint (self,message):
+    return self.pprint(message+"\r");
+
+  def pprint (self,message,newline=True):
+    # print message
+    if self.time_start:
+      message = "%s %s"%(timestamp(self.time_start),message); 
+    if message[-1] == "\r":
+      endline = "\r";
+    else:
+      endline = "\n\r";
+    # cut message at width of terminal, and pad with spaces
+    sys.stdout.write("%-*.*s"%(_width,_width,message.strip()));
+    sys.stdout.write(endline);
+    sys.stdout.flush();
+
+  def __call__ (self,*args):
+    self.pprint(" ".join(args));
+
+
+