diff --git a/pym/calculate/lib/utils/content.py b/pym/calculate/lib/utils/content.py
index 97bf172..54afd5e 100644
--- a/pym/calculate/lib/utils/content.py
+++ b/pym/calculate/lib/utils/content.py
@@ -362,12 +362,7 @@ class ContentsStorage(ContentsFormat):
             f.write("{CATEGORY}/{PN}:{SLOTONLY} ".format(**data['package']))
             self._write_info(f, fn, data)
 
-    def restore(self, prefix='/'):
-        """
-        Восстановить записи о файлах принадлежащих пакету.
-        :param prefix:
-        :return:
-        """
+    def _get_packages(self, prefix='/'):
         for package, objinfos in groupby(
                 sorted(readLinesFile(self.storage_file)),
                 lambda x: x.partition(" ")[0]):
@@ -377,10 +372,19 @@ class ContentsStorage(ContentsFormat):
             if package:
                 package = package[-1]
                 content = PkgContents(str(package), prefix)
-                for infoline in (x.strip().partition(' ')[2] for x in objinfos):
-                    fn, data = self._identifyLine(infoline)
-                    if path.exists(fn):
-                        content.content[fn] = data
-                        content.addDir(path.dirname(fn))
-                        os.utime(fn, (int(data['mtime']), int(data['mtime'])))
-                content.writeContents()
+                yield content, objinfos
+
+    def restore(self, prefix='/'):
+        """
+        Восстановить записи о файлах принадлежащих пакету.
+        :param prefix:
+        :return:
+        """
+        for content, objinfos in self._get_packages(prefix):
+            for infoline in (x.strip().partition(' ')[2] for x in objinfos):
+                fn, data = self._identifyLine(infoline)
+                if path.exists(fn):
+                    content.content[fn] = data
+                    content.addDir(path.dirname(fn))
+                    os.utime(fn, (int(data['mtime']), int(data['mtime'])))
+            content.writeContents()