Move with_docstring function to powerline.segments

powerline/lib/threaded.py

@@ -256,8 +256,3 @@ class KwThreadedSegment(ThreadedSegment):
 	@staticmethod
 	def render_one(update_state, **kwargs):
 		return update_state
-
-
-def with_docstring(instance, doc):
-	instance.__doc__ = doc
-	return instance

powerline/segments/__init__.py

@@ -56,3 +56,8 @@ class Segment(object):
 		'''Returns a list of (additional argument name[, default value]) tuples.
 		'''
 		return ()
+
+
+def with_docstring(instance, doc):
+	instance.__doc__ = doc
+	return instance

powerline/segments/common.py

@@ -15,12 +15,12 @@ from powerline.lib import add_divider_highlight_group
 from powerline.lib.shell import asrun, run_cmd
 from powerline.lib.url import urllib_read, urllib_urlencode
 from powerline.lib.vcs import guess, tree_status
-from powerline.lib.threaded import ThreadedSegment, KwThreadedSegment, with_docstring
+from powerline.lib.threaded import ThreadedSegment, KwThreadedSegment
 from powerline.lib.monotonic import monotonic
 from powerline.lib.humanize_bytes import humanize_bytes
 from powerline.lib.unicode import u
 from powerline.theme import requires_segment_info, requires_filesystem_watcher
-from powerline.segments import Segment
+from powerline.segments import Segment, with_docstring
 from collections import namedtuple