add windows_with_name_in_workspace.py

examples/windows_with_name_in_workspace.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# print Ids of windows with WM_CLASS on current workspace or workspace with given name
+from subprocess import check_output, STDOUT
+import i3ipc
+import re
+
+def get_windows_on_current_ws(conn):
+    return filter(lambda x: x.window,
+                  conn.get_tree().find_focused().workspace().descendents())
+
+def workspace_by_name(conn, workspace):
+    return next(filter(lambda ws: ws.name==workspace, conn.get_tree().workspaces()), None)
+
+def get_windows_on_ws(conn, name):
+    return filter(lambda x: x.window,
+                 workspace_by_name(conn, name).descendents())
+
+def main(args):
+    if not args.name:
+        print("a (non-empty) name argument is required")
+        return
+    conn = i3ipc.Connection()
+    windows = get_windows_on_current_ws(conn)
+    if args.workspace:
+        windows = get_windows_on_ws(conn, args.workspace)
+    for w in windows:
+        name = check_output(
+            "xprop -id " + str(w.window) + " 2> /dev/null | awk '/^WM_CLASS/{print $4}'",
+            shell=True,
+            encoding="utf8")
+        name = re.sub(r'[\n"]', "", name)
+        if name == args.name:
+            print(w.window)
+
+if __name__ == '__main__':
+
+    from argparse import ArgumentParser
+
+    parser = ArgumentParser(prog='windows_with_name_in_workspace.py',
+        description="Program using i3ipc to select the nth window from a workspace.")
+
+    parser.add_argument('--name', "--string", type=str, default=None, help="""windows name in current workspace""")
+    parser.add_argument('--workspace', default=None, help="""workspace name""")
+
+    main(parser.parse_args())