client.py: Extract searching pictures from show_pictures()

playbook/templates/client.py

@@ -14,19 +14,23 @@ binding_accept = [ord('l'), ord(' '), ord('\n')]
 binding_back = [ord('h'), ord('q'), curses.KEY_BACKSPACE]
 binding_exit = [ord('Q')]
 
-def show_pictures(path):
-    files = sorted([str(f) for f in path.iterdir() if f.is_file() and f.suffix.lower() in ['.png', '.jpg', '.jpeg', '.gif']])
+def show_pictures(files):
+    files = list(files) # copy list
     files.insert(0, '/usr/bin/imvr')
     subprocess.call(files)
     return True
 
+def search_pictures(win, path):
+    files = sorted([str(f) for f in path.iterdir() if f.is_file() and f.suffix.lower() in ['.png', '.jpg', '.jpeg', '.gif']])
+    return show_pictures(files)
+
 def show_select(win, path):
     if not path.is_dir():
         raise Exception("'" + str(path) + "' is not a directory!")
     dirs = sorted([d for d in path.iterdir() if d.is_dir()])
     win.clear()
     if len(dirs) <= 0:
-        return show_pictures(path)
+        return search_pictures(win, path)
     sel = 0
     while True:
         for y, d in enumerate(dirs):