diff --git a/doc/pisi.lyx b/doc/pisi.lyx
index 4369d6cb..024475cb 100644
--- a/doc/pisi.lyx
+++ b/doc/pisi.lyx
@@ -807,13 +807,21 @@ Type:
 
 
 \series bold 
-Hash: Path
+Size: 
+\series default 
+Dosyanin byte cinsinden boyutunu belirtir.
+\layout Itemize
+
+
+\series bold 
+MD5Sum: Path
 \series default 
  ile belirtilen dosyanın 
 \emph on 
-hash
+cryptographic hash
 \emph default 
  değerini verir.
+ (Bunu SHA1 ile degistirelim -- Eray)
 \end_deeper 
 \end_deeper 
 \layout Standard
diff --git a/pisi/files.py b/pisi/files.py
new file mode 100644
index 00000000..8fa27f9f
--- /dev/null
+++ b/pisi/files.py
@@ -0,0 +1,26 @@
+
+# reader for files.xml
+
+
+class FileInfo:
+    def __init__(self, node):
+        self.path = getNodeText(getNode(node, "Path"))
+        self.type = getNodeText(getNode(node, "Type"))
+        self.size = int(getNodeText(getNode(node, "Size")))
+        self.md5Sum = getNodeText(getNode(node, "MD5Sum"))
+
+
+class Files(XmlFile):
+    
+    def __init__(self):
+        XmlFile.__init__(self, "Files")
+
+    def read(self, filename):
+        self.readxml(filename)
+
+        fileElts = getAllNodes(node, "File")
+        self.installDeps = [FileInfo(x) for x in fileElts]
+
+    def write(self, filename):
+        pass
+