Broken with gedit >= 3.12

[mcepl]

matej@mitmanek: gedit-reflow-plugin (python2 *)$ gedit reflow.py
Traceback (most recent call last):
  File "/home/matej/.local/share/gedit/plugins/reflow.py", line 48, in do_activate
    manager = self.window.get_ui_manager()
AttributeError: 'Window' object has no attribute 'get_ui_manager'
object of type `GtkSourceStyle' does not have property `weight-set'
Traceback (most recent call last):
  File "/home/matej/.local/share/gedit/plugins/reflow.py", line 66, in do_deactivate
    manager = self.window.get_ui_manager()
AttributeError: 'Window' object has no attribute 'get_ui_manager'

Whole discussion on new API is relevant, I guess.

[guillaumechereau]

I have the same bug on my machine (debian testing) with gedit 3.14. It seems that the plugins API has changed, but I cannot find any documentation about it.

[mcepl]

but I cannot find any documentation about it.

The URL I have linked to?