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[Portfolio.git] / manipulation.py

diff --git a/manipulation.py b/manipulation.py
index e27ab1e..af010a5 100755 (executable)
--- a/manipulation.py
+++ b/manipulation.py
@@ -1,137 +1,145 @@
 # -*- coding: utf-8 -*-
 # -*- coding: utf-8 -*-

-####################################################
-# Copyright © 2009 Luxia SAS. All rights reserved. #
-#                                                  #
-# Contributors:                                    #
-#  - Benoît Pin <pinbe@luxia.fr>                   #
-####################################################
+############################################################
+# Copyright © 2005-2010  Benoît PIN <benoit.pin@ensmp.fr>  #
+# Plinn - http://plinn.org                                 #
+#                                                          #
+# This program is free software; you can redistribute it   #
+# and/or modify it under the terms of the Creative Commons #
+# "Attribution-Noncommercial 2.0 Generic"                  #
+# http://creativecommons.org/licenses/by-nc/2.0/           #
+############################################################

 """ Image threaded batch computation module
 """ Image threaded batch computation module

-
-$Id: manipulation.py 1391 2009-09-16 23:36:05Z pin $
-$URL: http://svn.luxia.fr/svn/labo/projects/zope/Portfolio/trunk/manipulation.py $

 """
 
 import threading
 import logging
 import atexit
 """
 
 import threading
 import logging
 import atexit

-import time
-import Zope2
+from types import StringTypes

 from math import ceil
 import transaction
 from ZODB.POSException import ConflictError
 from math import ceil
 import transaction
 from ZODB.POSException import ConflictError

+from ZODB.POSException import ConnectionStateError
+from zope.site.hooks import setSite

 from cStringIO import StringIO
 
 console = logging.getLogger('[manipulation thread]')
 
 class ImageQueueProcessorThread(threading.Thread) :
 from cStringIO import StringIO
 
 console = logging.getLogger('[manipulation thread]')
 
 class ImageQueueProcessorThread(threading.Thread) :

-       """This thread is started at zope startup
-       """
-
-       __stopped = False
+    """This thread is started at zope startup
+    """

 
 

-       def __init__(self, portal_path, itemPath):
-               threading.Thread.__init__(self)
-               self.app = app = Zope2.app()
-               self.portal = portal = app.unrestrictedTraverse(portal_path)
-               self.imgTool = portal.portal_image_manipulation
-               self.queue = []
-               if itemPath :
-                       self.queueAdd(itemPath)
-               else :
-                       ctool = portal.portal_catalog
-                       brains = ctool.unrestrictedSearchResults(portal_type='Photo', tiles_available=0)
-                       for b in brains :
-                               self.queueAdd(b.getPath())
-       
-       @property
-       def queueSize(self) :
-               return len(self.queue)
-       
-       def queueAdd(self, itemPath) :
-               self.queue.append(itemPath)
+    __stopped = False
+    
+    
+    def __init__(self, portal_path, itemsPath) :
+        threading.Thread.__init__(self)
+        self.portal_path = portal_path
+        self.queue = []
+        if isinstance(itemsPath, StringTypes) :
+            itemsPath = [itemsPath]
+        for i in itemsPath :
+            self.queueAdd(i)
+    
+    @property
+    def queueSize(self) :
+        return len(self.queue)
+    
+    def queueAdd(self, itemPath) :
+        self.queue.append(itemPath)

 
 

-       def run(self) :
-               console.info('process started.')
-               atexit.register(self.stop)
-               while not self.__stopped and self.queueSize :
-                       self._process()
-               console.info('process finished.')
+    def run(self) :
+        console.info('process started.')
+        #atexit.register(self.stop)
+        import Zope2
+        app = Zope2.app()
+        portal = app.unrestrictedTraverse(self.portal_path)
+        setSite(portal)
+        while not self.__stopped and self.queueSize :
+            self._process(app)
+        
+        con = app._p_jar
+        try :
+            con.close()
+        except ConnectionStateError, e :
+            console.warn('ConnectionStateError raised before finished.')
+        console.info('process finished.')
+        

 
 

-       def stop(self):
-               console.info('process stopped.')
-               self.__stopped = True
-       
-       def _process(self) :
-               
-               path = self.queue.pop(0)
-               
-               try :
-                       p = self.app.unrestrictedTraverse(path)
-               except KeyError :
-                       console.warn('deleted during processing: %s' % path)
-                       return
-               
-               console.info('%d : %s' % (self.queueSize, p.absolute_url()))
+    def stop(self):
+        console.info('process stopped.')
+        self.__stopped = True
+    
+    def _process(self, app) :
+        path = self.queue.pop(0)
+        try :
+            p = app.unrestrictedTraverse(path)
+        except KeyError :
+            console.warn('deleted during processing: %s' % path)
+            return
+        
+        console.info('%d : %s' % (self.queueSize, p.absolute_url()))

 
 

-               try :
-                       if not hasattr(p, 'thumbnail'):
-                               p.makeThumbnail()
-                               # print 'make thumbnail'
+        try :
+            if not hasattr(p, 'thumbnail'):
+                p.makeThumbnail()
+                # print 'make thumbnail'

 
 

-                       for size in ((500, 500), (600, 600), (800, 800)) :
-                               # print 'resize at', size
-                               p._getResizedImage(size, True)
-                               transaction.commit()
-                       
-                       zMin = p.tiles_min_zoom
-                       zMax = p.tiles_max_zoom
-                       zStep = p.tiles_step_zoom
-                       levels = range(zMin, zMax + zStep, zStep)
-                       zooms = [l/100. for l in levels]
-                       todo =  set(zooms) - set(p._tiles.keys())
-                       if todo :
-                               if p.tileGenerationLock.locked() :
-                                       console.info('skip %s: already tiling.' % p.absolute_url())
-                                       return
-                               
-                               p.tileGenerationLock.acquire()
-                               zooms = list(todo)
-                               zooms.sort()
-                               ppm = None
-                               try :
-                                       ppm = p._getPPM()
-                                       for zoom in zooms :
-                                       
-                                               # print 'tiling at', zoom
-                                               if zoom < 1 :
-                                                       rppm = ppm.resize(ratio=zoom)
-                                               else :
-                                                       rppm = ppm
-                                               p._makeTilesAt(zoom, rppm)
-                                               del rppm
-                                               transaction.commit()
-                               finally :
-                                       del ppm
-                                       p.tileGenerationLock.release()
-                               
-                       try :
-                               delattr(p, '_v__methodResultsCache')
-                       except AttributeError:
-                               pass
-                       
-                       p.tiles_available = 1
-                       p.reindexObject(idxs=['tiles_available'])
-                       transaction.commit()
+            for size in ((500, 500), (600, 600), (800, 800)) :
+                # print 'resize at', size
+                p._getResizedImage(size, True)
+                transaction.commit()
+            
+            zMin = p.tiles_min_zoom
+            zMax = p.tiles_max_zoom
+            zStep = p.tiles_step_zoom
+            levels = range(zMin, zMax + zStep, zStep)
+            zooms = [l/100. for l in levels]
+            todo =  set(zooms) - set(p._tiles.keys())
+            if todo :
+                if p.tileGenerationLock.locked() :
+                    console.info('skip %s: already tiling.' % p.absolute_url())
+                    return
+                
+                p.tileGenerationLock.acquire()
+                zooms = list(todo)
+                zooms.sort()
+                ppm = None
+                try :
+                    ppm = p._getPPM()
+                    for zoom in zooms :
+                    
+                        # print 'tiling at', zoom
+                        if zoom < 1 :
+                            rppm = ppm.resize(ratio=zoom)
+                        else :
+                            rppm = ppm
+                        p._makeTilesAt(zoom, rppm)
+                        del rppm
+                        transaction.commit()
+                finally :
+                    del ppm
+                    p.tileGenerationLock.release()
+                
+            try :
+                delattr(p, '_v__methodResultsCache')
+            except AttributeError:
+                pass
+            
+            p.tiles_available = 1
+            assert p._getCatalogTool()
+            p.reindexObject(idxs=['tiles_available'])
+            transaction.commit()

 
 

-               except ConflictError :
-                       console.warn('Resync after ZODB ConflicError')
-                       transaction.abort()
-                       self.portal._p_jar.sync()
-                       self.queueAdd(path)
-                       return
-               except :
-                       p.tiles_available = -1
-                       import traceback
-                       out = StringIO()
-                       traceback.print_exc(None, out)
-                       console.error(out.getvalue())                   
+        except ConflictError :
+            console.warn('Resync after ZODB ConflicError')
+            transaction.abort()
+            portal = app.unrestrictedTraverse(self.portal_path)
+            portal._p_jar.sync()
+            self.queueAdd(path)
+            return
+        except :
+            p.tiles_available = -1
+            import traceback
+            out = StringIO()
+            traceback.print_exc(None, out)
+            console.error(out.getvalue())