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myenv/lib/python3.10/site-packages/Xlib/support/vms_connect.py

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+# Xlib.support.vms_connect -- VMS-type display connection functions
+#
+#    Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+#    Free Software Foundation, Inc.,
+#    59 Temple Place,
+#    Suite 330,
+#    Boston, MA 02111-1307 USA
+
+import re
+import socket
+
+from Xlib import error
+
+display_re = re.compile(r'^([-a-zA-Z0-9._]*):([0-9]+)(\.([0-9]+))?$')
+
+def get_display(display):
+
+    # Use dummy display if none is set.  We really should
+    # check DECW$DISPLAY instead, but that has to wait
+
+    if display is None:
+        return ':0.0', None, 'localhost', 0, 0
+
+    m = display_re.match(display)
+    if not m:
+        raise error.DisplayNameError(display)
+
+    name = display
+
+    # Always return a host, since we don't have AF_UNIX sockets
+    host = m.group(1)
+    if not host:
+        host = 'localhost'
+
+    dno = int(m.group(2))
+    screen = m.group(4)
+    if screen:
+        screen = int(screen)
+    else:
+        screen = 0
+
+    return name, None, host, dno, screen
+
+
+def get_socket(dname, protocol, host, dno):
+    try:
+        # Always use TCP/IP sockets.  Later it would be nice to
+        # be able to use DECNET och LOCAL connections.
+
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        s.connect((host, 6000 + dno))
+
+    except socket.error as val:
+        raise error.DisplayConnectionError(dname, str(val))
+
+    return s
+
+
+def get_auth(sock, dname, host, dno):
+    # VMS doesn't have xauth
+    return '', ''