Changeset 2767

Timestamp:

01/21/09 14:30:10 (3 years ago)

Author:

pjotr

Message:

Created migration script for presentations, and tuned ExternalStorage? to serve different file types and try to guess the type

Files:

• trunk/Extensions/Install.py (modified) (1 diff)
• trunk/ExternalStorage.py (modified) (2 diffs)
• trunk/LeMillTool.py (modified) (1 diff)
• trunk/version.txt (modified) (1 diff)

trunk/Extensions/Install.py

@@ -1596 +1596 @@
-    reinstall_all_types(self,out=out)
-    print >>out,'Started running maintenance methods'
+
+    if doWeMigrate(old, '2.6.5'):
+        print >>out, "Starting migration from 2.6.4"
+        print >>out, "Migrating presentations to local File System"
+        import os, StringIO
+        WORK_DIR = os.path.join(EXTERNAL_RESOURCES, 'presentations')
+        pcatalog = getToolByName(self, 'portal_catalog')
+        from Products.Archetypes.config import REFERENCE_CATALOG
+        ref_catalog = getToolByName(self, REFERENCE_CATALOG)
+
+        presentations = self.content.presentations.ObjectValues('PresentationMaterial')
+
+        # Precess
+        # 1. Take presentation
+        # 2. Generate UID folder in LEMILL_RESOURCES/presentations
+        # 3. One by one look through pieces used (only change the ones that have type set as 'media_piece')
+         # If only used in presentation and nowhere else
+          # Move piece to slides and delete Piece for good (unlink with presentation)
+         # If used in other places
+          # Move to FS unlink with presentation, leave it be
+        # 4. Build new bodyText with EFS: links and save the presentation
+        
+        t = 0
+        for p in presentations:
+            # Create presentation folder
+            pres_dir = os.path.join(WORK_DIR, o.UID())
+            body = p.getBodyText()
+            new_body = []
+            for num in range(body):
+                chapter = body[num]
+                if chapter[1] == 'media_piece' and not chapter[0].startswith('EFS:'):# Checking it just in case
+                    # let us get the piece
+                    results = pcatalog({'UID':chapter[0]})
+                    results = results[0]
+                    piece = results.getObject()
+                    file = piece.getFile()
+                    # Converting it to jpg with PIL
+                    from PIL import Image
+                    im = Image.open(StringIO.StringIO(file.read()))
+                    if im.mode != 'RGB':
+                        im = im.convert('RGB')
+                    s = StringIO.StringIO()
+                    im.save(s, "JPEG")
+                    s.seek(0)
+                    name = 'slide-'str((num+2)/2)+'.jpg'
+                    s_file = open(os.path.join(pres_dir, name), "w")
+                    s_file.write(s.read())
+                    s_file.close()
+                    s.close()# Useful memory dump?
+                    # Creating different sizes
+                    p._createThumbnails(name)
+                    #Piece related stuff
+                    resources = piece.getResourcesUsingPiece()# returns catalog objects
+                    if len(resources) == 1:
+                        # We delete the piece, also unlink
+                        ref_catalog.deleteReference(self, chapter[0], p.relationship)
+                        self.content.pieces._delObject(piece.getId())
+                    elif len(resources) > 1:
+                        # We do not delete this one
+                        ref_catalog.deleteReference(self, chapter[0], p.relationship)
+                    # Appending new chapter to a bodyText
+                    new_body.append(('EFS:'+name,'media_piece'))
+                else:
+                    new_body.append(chapter)
+            # Setting the new bodyText
+            p.setBodyText(new_body)
+            # Setting new stuff in
+            p.slides_available = True
+            p.presentation_file = None
+            p.presentation_filename = None
+
+            # Transaction portion
+            p.reindexObject()#XXX is this needed?
+            t = t + 1
+            if t > 200:
+                print >>out, '*** committing transaction, 200 objects ***'
+                transaction.get().commit()
+                t = 0
+
+        print >>out, "*** presentations migrated ***"
+        print >>out, "Migration from 2.6.4 complete"
-        
-    #makeCatalogFixReplace(self, out=out)

trunk/ExternalStorage.py

@@ -44 +44 @@
-        except IndexError:
-            # return 404 not found
-
+#
-            return object()
-        if subfolder not in EXTERNAL_SUBFOLDERS:
-            # return 404 not found
-
+#
-            return object()
-        if stack:
-            # return 404 not found
-
+#
-            return object()
-        # XXX: check fname?
@@ -69 +69 @@
-        
-    def __call__(self, REQUEST):
-
-
+#
+#
-        res = REQUEST.RESPONSE
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-        res.setHeader('Content-Length', os.path.getsize(self._path))
-        f = open(self._path, 'r')

trunk/LeMillTool.py

@@ -2110 +2110 @@
-            results = pcatalog({'UID':uid})
-            pres = results[0]
-manage_delObjects([pres.getId]
+_delObject(pres.getId
-        return 0
-

trunk/version.txt

@@ -1 @@
-4
+5
-