From 9675f920f440e88c540fbf91c98b162737604a1f Mon Sep 17 00:00:00 2001
From: Tyler Reddy <tyler.je.reddy@gmail.com>
Date: Wed, 30 May 2018 21:21:23 -0600
Subject: [PATCH] BUG: libdcd now properly handles missing input file on
 Windows.

---
 package/MDAnalysis/lib/formats/libdcd.pyx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/MDAnalysis/lib/formats/libdcd.pyx b/package/MDAnalysis/lib/formats/libdcd.pyx
index afbb57c812a..812d6803c1e 100644
--- a/package/MDAnalysis/lib/formats/libdcd.pyx
+++ b/package/MDAnalysis/lib/formats/libdcd.pyx
@@ -292,6 +292,8 @@ cdef class DCDFile:
             self.close()
 
         if mode == 'r':
+            if not path.isfile(self.fname):
+                raise IOError("DCD file does not exist")
             fio_mode = FIO_READ
         elif mode == 'w':
             fio_mode = FIO_WRITE