futurize stage1 vui

joy/vui/core.py

@@ -28,6 +28,7 @@ passing, a "world" class that holds the main context for the system, and
 a mainloop class that manages the, uh, main loop (the PyGame event queue.)
 
 '''
+from __future__ import print_function
 from sys import stderr
 from traceback import format_exc
 import pygame
@@ -172,7 +173,7 @@ class World(object):
         try:
             return stack_to_string(self.stack_holder[0])
         except:
-            print >> stderr, format_exc()
+            print(format_exc(), file=stderr)
             return str(self.stack_holder[0])
 
 
@@ -250,8 +251,8 @@ class TheLoop(object):
         except:
             traceback = format_exc()
             self.remove_task(task_event_id)
-            print >> stderr, traceback
+            print(traceback, file=stderr)
-            print >> stderr, 'TASK removed due to ERROR', task
+            print('TASK removed due to ERROR', task, file=stderr)
             open_viewer_on_string(self, traceback, self.display.broadcast)
 
     def loop(self):

joy/vui/debug_main.py

@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import sys, traceback
 
 # To enable "hot" reloading in the IDLE shell.
@@ -7,7 +8,7 @@ for name in 'core main display viewer text_viewer stack_viewer persist_task'.spl
     except KeyError:
         pass
 
-import main
+from . import main
 
 try:
     A = A # (screen, clock, pt), three things that we DON'T want to recreate

joy/vui/display.py

@@ -29,6 +29,7 @@ Refer to Chapter 4 of the Project Oberon book for more information.
 There is a Display object that manages a pygame surface and N vertical
 tracks each of which manages zero or more viewers.
 '''
+from __future__ import print_function
 from copy import copy
 from sys import stderr
 from traceback import format_exc
@@ -283,14 +284,14 @@ class Display(object):
             elif event.type in MOUSE_EVENTS:
                 self._mouse_event(event)
             else:
-                print >> stderr, (
+                print((
                     'received event %s Use pygame.event.set_allowed().'
                     % pygame.event.event_name(event.type)
-                    )
+                    ), file=stderr)
         # Catch all exceptions and open a viewer.
         except:
             err = format_exc()
-            print >> stderr, err # To be safe just print it right away.
+            print(err, file=stderr) # To be safe just print it right away.
             open_viewer_on_string(self, err, self.broadcast)
 
     def _keyboard_event(self, event):

joy/vui/font_data.py

@@ -17,6 +17,7 @@
 #    You should have received a copy of the GNU General Public License
 #    along with Thun.  If not see <http://www.gnu.org/licenses/>.
 #
+from __future__ import print_function
 from StringIO import StringIO
 import base64, zlib
 
@@ -183,4 +184,4 @@ lnalXc/9SsNb2vUirzS8pV0v8gJv/w/2vRht''')))
 
 
 if __name__ == '__main__':
-    print create()
+    print(create())

joy/vui/init_joy_home.py

@@ -28,6 +28,7 @@ file, so you can just do, e.g.:
     init_joy_home.initialize(JOY_HOME)
 
 '''
+from __future__ import print_function
 import base64, os, StringIO, zipfile
 
 
@@ -272,4 +273,4 @@ c3RhY2sucGlja2xlUEsFBgAAAAAGAAYAUwEAACcwAAAAAA==''')))
 
 
 if __name__ == '__main__':
-    print create_data()
+    print(create_data())

joy/vui/main.py

@@ -25,6 +25,7 @@ Main Module
 Pulls everything together.
 
 '''
+from __future__ import print_function
 import os, sys, traceback
 import pygame
 from joy.library import initialize, DefinitionWrapper, SimpleFunctionWrapper
@@ -67,9 +68,9 @@ def init():
     * Create the PersistTask
 
     '''
-    print 'Initializing Pygame...'
+    print('Initializing Pygame...')
     pygame.init()
-    print 'Creating window...'
+    print('Creating window...')
     if FULLSCREEN:
         screen = pygame.display.set_mode()
     else:
@@ -159,7 +160,7 @@ def main(screen, clock, pt):
     def evaluate(stack):
         '''Evaluate the Python code text on the top of the stack.'''
         code, stack = stack
-        exec code in name_space.copy()
+        exec(code, name_space.copy())
         return stack
 
     name_space['D']['evaluate'] = evaluate

joy/vui/persist_task.py

@@ -26,6 +26,7 @@ This module deals with persisting the "resources" (text files and the
 stack) to the git repo in the ``JOY_HOME`` directory.
 
 '''
+from __future__ import print_function
 import os, pickle, traceback
 from collections import Counter
 from dulwich.errors import NotGitRepository
@@ -42,7 +43,7 @@ def open_repo(repo_dir=None, initialize=False):
     exception is raised, otherwise ``git init`` is effected in the dir.
     '''
     if not os.path.exists(repo_dir):
-        os.makedirs(repo_dir, 0700)
+        os.makedirs(repo_dir, 0o700)
         return init_repo(repo_dir)
     try:
         return Repo(repo_dir)
@@ -95,14 +96,14 @@ class Resource(object):
 
     def _to_file(self, f):
         for line in self.thing:
-            print >> f, line
+            print(line, file=f)
 
     def persist(self, repo):
         '''
         Save the lines to the file and stage the file in the repo.
         '''
         with open(self.filename, 'w') as f:
-            os.chmod(self.filename, 0600)
+            os.chmod(self.filename, 0o600)
             self._to_file(f)
             f.flush()
             os.fsync(f.fileno())
@@ -266,7 +267,7 @@ if __name__ == '__main__':
     pt = PersistTask(JOY_HOME)
     content_id, thing = pt.open('stack.pickle')
     pt.persist(content_id)
-    print pt.counter
+    print(pt.counter)
     mm = core.ModifyMessage(None, None, content_id=content_id)
     pt.handle(mm)
-    print pt.counter
+    print(pt.counter)

joy/vui/text_viewer.py

@@ -23,6 +23,7 @@ Text Viewer
 =================
 
 '''
+from __future__ import print_function
 import string
 import pygame
 from joy.utils.stack import expression_to_string
@@ -415,7 +416,7 @@ class TextViewer(MenuViewer):
             self._printable_key(uch, mod, line, i)
             modified = True
         else:
-            print '%r %i %s' % (uch, key, bin(mod))
+            print('%r %i %s' % (uch, key, bin(mod)))
 
         if modified:
             # The selection is fragile.

joy/vui/viewer.py

@@ -23,6 +23,7 @@ Viewer
 =================
 
 '''
+from __future__ import print_function
 import pygame
 from joy.vui.core import BACKGROUND, FOREGROUND
 
@@ -227,7 +228,7 @@ class SomeViewer(MenuViewer):
 
     def key_down(self, display, uch, key, mod):
         try:
-            print chr(key),
+            print(chr(key), end=' ')
         except ValueError:
             pass