Makes absolute path checks work on Windows.

gns3server/modules/dynamips/nodes/router.py

@@ -421,8 +421,7 @@ class Router(BaseVM):
         :param image: path to IOS image file
         """
 
-        if not os.path.dirname(image):
-            # this must be a relative path
+        if not os.path.isabs(image):
             server_config = Config.instance().get_section_config("Server")
             image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), image)
 

gns3server/modules/iou/iou_vm.py

@@ -131,7 +131,7 @@ class IOUVM(BaseVM):
         :params path: Path to the binary
         """
 
-        if path[0] != "/":
+        if not os.path.isabs(path):
             server_config = Config.instance().get_section_config("Server")
             path = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), path)
 

gns3server/modules/qemu/qemu_vm.py

@@ -183,7 +183,7 @@ class QemuVM(BaseVM):
         :param hda_disk_image: QEMU hda disk image path
         """
 
-        if hda_disk_image[0] != "/":
+        if os.path.isabs(hda_disk_image):
             server_config = Config.instance().get_section_config("Server")
             hda_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), hda_disk_image)
 
@@ -210,7 +210,7 @@ class QemuVM(BaseVM):
         :param hdb_disk_image: QEMU hdb disk image path
         """
 
-        if hdb_disk_image[0] != "/":
+        if not os.path.isabs(hdb_disk_image):
             server_config = Config.instance().get_section_config("Server")
             hdb_disk_image = os.path.join(os.path.expanduser(server_config.get("images_path", "~/GNS3/images")), hdb_disk_image)