Trash method implemented to close files

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@41174 20353a03-c40f-0410-a6d1-a30d3c3de9de

cloudooo/document.py

@@ -153,7 +153,12 @@ class OdfDocument(object):
     data -- Content of the document
     source_format -- Document Extension
     """
-    self._zipfile = ZipFile(StringIO(data))
+    data_file = StringIO(data)
+    try:
+      self._zipfile = ZipFile(data_file)
+    finally:
+      data_file.close()
+
     self.source_format = source_format
     # XXX - Maybe parsed_content should not be here, but on OOGranulate
     self.parsed_content = etree.fromstring(self.getContentXml())
@@ -168,3 +173,7 @@ class OdfDocument(object):
       return self._zipfile.read(path)
     except KeyError:
       return ''
+
+  def trash(self):
+    """Remove the file in memory."""
+    self._zipfile.close()

cloudooo/granulate/oogranulate.py

@@ -89,3 +89,7 @@ class OOGranulate(object):
   def getChapterItem(self, file, chapter_id):
     """Return the chapter in the form of (title, level)."""
     raise NotImplementedError
+
+  def trash(self):
+    """Remove the file in memory."""
+    self.document.trash()

cloudooo/manager.py

@@ -80,14 +80,16 @@ class Manager(object):
       file = self.convertFile(file, source_format,
                               GRANULATABLE_FORMAT_LIST[0], zip=False)
     from granulate.oogranulate import OOGranulate
-    document = OOGranulate(decodestring(file),
-                           source_format)
-    grain = document.granulate(zip)
 
-    if zip:
-      return encodestring(grain)
-
-    return map(encodestring, grain)
+    try:
+      document = OOGranulate(decodestring(file), source_format)
+      grain = document.granulate(zip)
+      if zip:
+        return encodestring(grain)
+      return map(encodestring, grain)
+    finally:
+      document.trash()
+    return None
 
   def updateFileMetadata(self, file, source_format, metadata_dict):
     """Receives the string of document and a dict with metadatas. The metadata