fixing renderText script

tty2gif

@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import struct
+import time
+from opster import command, dispatch
+
+header = struct.Struct('iii')
+
+@command()
+def replay(filename, factor=('f', 1, 'Speedup factor')):
+    main(filename, 'replay', factor=factor)
+
+@command()
+def typing(filename):
+    main(filename, 'typing')
+
+@command()
+def inspect(filename):
+    main(filename, 'inspect')
+
+def main(filename, action, factor=1):
+    winid = int(os.getenv('WINDOWID'))
+
+    script = open(filename)
+    basetime = None
+    prevtime = None
+    stepnum = 0
+    args = []
+    while True:
+        data = script.read(header.size)
+        if not data:
+            break
+        sec, usec, n = header.unpack(data)
+        curtime = sec + usec/1000000.0
+        if basetime is None:
+            basetime = prevtime = curtime
+        delay = curtime-prevtime
+        prevtime = curtime
+        data = script.read(n)
+        if action == 'inspect':
+            print '%8.4f %4d %s' % (delay, n, `data[:40]`)
+            continue
+        if action == 'replay':
+            time.sleep(delay/factor)
+        elif action == 'typing':
+            delay = 0
+            if n == 1:
+                delay = 0.2
+            elif data.startswith('\r\n'):
+                delay = 0.5
+            if delay:
+                os.system('import -window %s step%03d.gif' % (winid, stepnum))
+                #time.sleep(delay)
+                #print '-delay %d step%03d.gif' % (delay*100, stepnum),
+                stepnum+=1
+
+        sys.stdout.write(data)
+        sys.stdout.flush()
+
+
+if __name__ == '__main__':
+    dispatch()