Add save_buffers script for Qutebrowser

Copy and adapted from
https://gist.github.com/aeghn/0b5db63c3d4290fa487aa48ab7f1264c#file-save_buffers-py

save_qutebrowser_buffers.py

@@ -0,0 +1,28 @@
+## Script to load in Qutebrowser configuration file
+## config.source('~/bin/save_qutebrowser_buffers.py
+
+## Add "save-window-and-buffers" function in Qutebrowser
+## in order to save buffers to a temp file
+
+## Thanks to aeghn !
+## https://gist.github.com/aeghn/0b5db63c3d4290fa487aa48ab7f1264c#file-save_buffers-py
+
+from qutebrowser.utils import objreg
+from qutebrowser.api import interceptor, cmdutils
+
+@cmdutils.register()
+def save_window_and_buffers():
+    """
+    Save buffer list
+    like:
+    window_id/buffer_id buffer_title
+    """
+    qbuffers = open('/tmp/qutebrowser_buffers_zsbd', "w")
+    print_buffers = ''
+    for windows_id in objreg.window_registry:
+        tabbed_browser = objreg.get('tabbed-browser', scope='window',
+                                    window=windows_id)
+        for buffer_id in range(tabbed_browser.widget.count()):
+            print_buffers = print_buffers+str(windows_id)+'/'+str(buffer_id+1)+' '+str(tabbed_browser.widget.widget(buffer_id).title())+' '+str(tabbed_browser.widget.widget(buffer_id).url())+'\n'
+    qbuffers.write(str(print_buffers))
+    qbuffers.close()