bitbake: lib: fix most undefined code picked up by pylint

Correctly import, and inherit functions, and variables.
Also fix some typos and remove some Python 2 code that isn't recognised.

(Bitbake rev: b0c807be5c2170c9481c1a04d4c11972135d7dc5)

Signed-off-by: Frazer Clews <frazerleslieclews@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/knotty.py

@@ -144,7 +144,7 @@ class TerminalFilter(object):
                 pass
         if not cr:
             try:
-                cr = (env['LINES'], env['COLUMNS'])
+                cr = (os.environ['LINES'], os.environ['COLUMNS'])
             except:
                 cr = (25, 80)
         return cr

bitbake/lib/bb/ui/ncurses.py

@@ -48,6 +48,8 @@ import bb
 import xmlrpc.client
 from bb.ui import uihelper
 
+logger = logging.getLogger(__name__)
+
 parsespin = itertools.cycle( r'|/-\\' )
 
 X = 0

bitbake/lib/bb/ui/uievent.py

@@ -11,9 +11,13 @@ server and queue them for the UI to process. This process must be used to avoid
 client/server deadlocks.
 """
 
-import socket, threading, pickle, collections
+import collections, logging, pickle, socket, threading
 from xmlrpc.server import SimpleXMLRPCServer, SimpleXMLRPCRequestHandler
 
+import bb
+
+logger = logging.getLogger(__name__)
+
 class BBUIEventQueue:
     def __init__(self, BBServer, clientinfo=("localhost, 0")):