X-Git-Url: https://scm.cri.minesparis.psl.eu/git/Photo.git/blobdiff_plain/b0a7e10b4f32cf74864bb53268ca4d3080f23bc0..6c41809185e322ce2d30e98234f71144f78f06c0:/Products/Photo/migration/toblob.py

diff --git a/Products/Photo/migration/toblob.py b/Products/Photo/migration/toblob.py
new file mode 100755
index 0000000..ec4aec0
--- /dev/null
+++ b/Products/Photo/migration/toblob.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+"""
+
+
+Script de migration du stockage du fichier depuis l'attribut 'data'
+vers l'attribut de type blob 'bdata'.
+IMPORTANT :
+les lignes 144 à 147 de blobbases.py doivent être commentéés
+avant exécution.
+
+147 | #		data = property(_getLegacyData, _setLegacyData,
+148 | #						"Data Legacy attribute to ensure compatibility "
+149 | #						"with derived classes that access data by this way.")
+
+"""
+
+from ZODB.blob import Blob
+
+def migrate(self) :
+	if hasattr(self.aq_base, 'data') :
+		data = str(self.data)
+		self.bdata = Blob()
+		bf = self.bdata.open('w')
+		bf.write(data)
+		bf.close()
+		delattr(self, 'data')
+		return True
+	else :
+		assert hasattr(self.aq_base, 'bdata')
+		return False
+	
\ No newline at end of file