Avoid calling fstat for every imported file (slow!) and instead read the file data first into the python process and use the length of the bytes read for the size field of git fast-import.

Signed-off-by: Simon Hausmann <hausmann@kde.org>

contrib/fast-import/p4-fast-export.py

@@ -57,9 +57,6 @@ def p4Cmd(cmd):
         result.update(entry)
     return result;
 
-def p4FileSize(path):
-    return int(p4Cmd("fstat -Ol \"%s\"" % path)["fileSize"])
-
 def getUserMap():
     users = {}
 
@@ -121,14 +118,15 @@ for change in changes:
         if action == "delete":
             gitStream.write("D %s\n" % relPath)
         else:
-            fileSize = p4FileSize(depotPath)
             mode = 644
             if description["type%s" % fnum].startswith("x"):
                 mode = 755
 
+            data = os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
+
             gitStream.write("M %s inline %s\n" % (mode, relPath))
-            gitStream.write("data %s\n" % fileSize)
-            gitStream.write(os.popen("p4 print -q \"%s\"" % depotPath).read())
+            gitStream.write("data %s\n" % len(data))
+            gitStream.write(data)
             gitStream.write("\n")
 
         fnum = fnum + 1