Fix a circular import introduced in 409b1513

It breaks python 3.4 which is touchy about them, https://bugs.python.org/issue17636

poezio/size_manager.py

@@ -20,12 +20,12 @@ class SizeManager(object):
 
     @property
     def tab_degrade_x(self):
-        _, x = windows.TAB_WIN.getmaxyx()
+        _, x = windows.base_wins.TAB_WIN.getmaxyx()
         return x < THRESHOLD_WIDTH_DEGRADE
 
     @property
     def tab_degrade_y(self):
-        y, x = windows.TAB_WIN.getmaxyx()
+        y, x = windows.base_wins.TAB_WIN.getmaxyx()
         return y < THRESHOLD_HEIGHT_DEGRADE
 
     @property

poezio/tabs/basetabs.py

@@ -164,7 +164,7 @@ class Tab(object):
     @staticmethod
     def resize(scr):
         Tab.height, Tab.width = scr.getmaxyx()
-        windows.TAB_WIN = scr
+        windows.base_wins.TAB_WIN = scr
 
     def missing_command_callback(self, command_name):
         """

poezio/windows/__init__.py

@@ -3,8 +3,6 @@ Module exporting all the Windows, which are wrappers around curses wins
 used to display information on the screen
 """
 
-TAB_WIN = None
-
 from poezio.windows.base_wins import Win
 from poezio.windows.data_forms import FormWin
 from poezio.windows.bookmark_forms import BookmarksWin

poezio/windows/base_wins.py

@@ -7,13 +7,14 @@ the text window, the roster window, etc.
 A Tab (see the poezio.tabs module) is composed of multiple Windows
 """
 
+TAB_WIN = None
+
 import logging
 log = logging.getLogger(__name__)
 
 import curses
 import string
 
-from poezio import windows
 from poezio.theming import to_curses_attr, read_tuple
 
 FORMAT_CHAR = '\x19'
@@ -43,7 +44,7 @@ class Win(object):
             return
         self.height, self.width, self.x, self.y = height, width, x, y
         try:
-            self._win = windows.TAB_WIN.derwin(height, width, y, x)
+            self._win = TAB_WIN.derwin(height, width, y, x)
         except:
             log.debug('DEBUG: mvwin returned ERR. Please investigate')
             if self._win is None:

poezio/windows/bookmark_forms.py

@@ -3,8 +3,7 @@ Windows used inthe bookmarkstab
 """
 import curses
 
-from poezio import windows
-from poezio.windows.base_wins import Win
+from poezio.windows.base_wins import Win, TAB_WIN
 from poezio.windows.inputs import Input
 from poezio.windows.data_forms import FieldInput
 from poezio.theming import to_curses_attr, get_theme
@@ -131,7 +130,7 @@ class BookmarkAutojoinWin(FieldInput, Win):
 
 class BookmarksWin(Win):
     def __init__(self, bookmarks, height, width, y, x):
-        self._win = windows.TAB_WIN.derwin(height, width, y, x)
+        self._win = TAB_WIN.derwin(height, width, y, x)
         self.scroll_pos = 0
         self._current_input = 0
         self.current_horizontal_input = 0
@@ -182,7 +181,7 @@ class BookmarksWin(Win):
     def resize(self, height, width, y, x):
         self.height = height
         self.width = width
-        self._win = windows.TAB_WIN.derwin(height, width, y, x)
+        self._win = TAB_WIN.derwin(height, width, y, x)
         # Adjust the scroll position, if resizing made the window too small
         # for the cursor to be visible
         while self.current_input - self.scroll_pos > self.height-1:

poezio/windows/data_forms.py

@@ -6,8 +6,7 @@ does not inherit from the Win base class), as it will create the
 others when needed.
 """
 
-from poezio import windows
-from poezio.windows.base_wins import Win
+from poezio.windows.base_wins import Win, TAB_WIN
 from poezio.windows.inputs import Input
 
 from poezio.theming import to_curses_attr, get_theme
@@ -342,7 +341,7 @@ class FormWin(object):
                      }
     def __init__(self, form, height, width, y, x):
         self._form = form
-        self._win = windows.TAB_WIN.derwin(height, width, y, x)
+        self._win = TAB_WIN.derwin(height, width, y, x)
         self.scroll_pos = 0
         self.current_input = 0
         self.inputs = []        # dict list
@@ -365,7 +364,7 @@ class FormWin(object):
     def resize(self, height, width, y, x):
         self.height = height
         self.width = width
-        self._win = windows.TAB_WIN.derwin(height, width, y, x)
+        self._win = TAB_WIN.derwin(height, width, y, x)
         # Adjust the scroll position, if resizing made the window too small
         # for the cursor to be visible
         while self.current_input - self.scroll_pos > self.height-1: