# HG changeset patch
# User Paul Moore <p.f.moore@gmail.com>
# Date 1365343730 -3600
# Node ID 27d8f89d64c398d9a7a63207d16ef361c3a00bfb
# Parent  1c496e933168ffb33622c8549bc1372d7a368f4f
Python 3 compatibility

diff -r 1c496e933168 -r 27d8f89d64c3 t.py
--- a/t.py	Tue Oct 09 13:46:00 2012 -0400
+++ b/t.py	Sun Apr 07 15:08:50 2013 +0100
@@ -32,7 +32,7 @@
     Currently SHA1 hashing is used.  It should be plenty for our purposes.
 
     """
-    return hashlib.sha1(text).hexdigest()
+    return hashlib.sha1(text.encode('utf-8')).hexdigest()
 
 def _task_from_taskline(taskline):
     """Parse a taskline (from a task file) and return a task.
@@ -150,13 +150,13 @@
         If no tasks match the prefix an UnknownPrefix exception will be raised.
 
         """
-        matched = filter(lambda tid: tid.startswith(prefix), self.tasks.keys())
+        matched = [tid for tid in self.tasks.keys() if tid.startswith(prefix)]
         if len(matched) == 1:
             return self.tasks[matched[0]]
         elif len(matched) == 0:
             raise UnknownPrefix(prefix)
         else:
-            matched = filter(lambda tid: tid == prefix, self.tasks.keys())
+            matched = [tid for tid in self.tasks.keys() if tid == prefix]
             if len(matched) == 1:
                 return self.tasks[matched[0]]
             else:
@@ -219,7 +219,7 @@
         for _, task in sorted(tasks.items()):
             if grep.lower() in task['text'].lower():
                 p = '%s - ' % task[label].ljust(plen) if not quiet else ''
-                print p + task['text']
+                print (p + task['text'])
 
     def write(self, delete_if_empty=False):
         """Flush the finished and unfinished tasks to the files on disk."""
@@ -302,9 +302,11 @@
             kind = 'tasks' if not options.done else 'done'
             td.print_list(kind=kind, verbose=options.verbose, quiet=options.quiet,
                           grep=options.grep)
-    except AmbiguousPrefix, e:
+    except AmbiguousPrefix:
+        e = sys.exc_info()[1]
         sys.stderr.write('The ID "%s" matches more than one task.\n' % e.prefix)
-    except UnknownPrefix, e:
+    except UnknownPrefix:
+        e = sys.exc_info()[1]
         sys.stderr.write('The ID "%s" does not match any task.\n' % e.prefix)