MNT: Remove dependency on six

fsleyes_props/build.py

@@ -115,7 +115,6 @@ import weakref
 import copy
 import sys
 
-import six
 import wx
 
 from . import                          widgets
@@ -343,7 +342,7 @@ def _configureEventCallback(
 
         # Each dependency is either the name of
         # a property on the hasProps instance..
-        if isinstance(dep, six.string_types):
+        if isinstance(dep, str):
             target   = hasProps
             propName = dep
 
@@ -438,7 +437,7 @@ def _createToggle(parent, viewItem, hasProps, propGui):
     # Otherwise, use a BitmapToggleButton
     else:
 
-        if isinstance(icon, six.string_types):
+        if isinstance(icon, str):
             icon = [icon]
 
         for i in range(len(icon)):

fsleyes_props/callqueue.py

@@ -12,7 +12,7 @@ callback functions.
 
 import logging
 
-import six.moves.queue as queue
+import queue
 
 import fsl.utils.idle  as idle
 

fsleyes_props/properties_types.py

@@ -35,8 +35,6 @@ import os.path as op
 
 from collections import abc
 
-import six
-
 import numpy as np
 
 from . import properties        as props
@@ -284,7 +282,7 @@ class String(props.PropertyBase):
 
         if value is None: return
 
-        if not isinstance(value, six.string_types):
+        if not isinstance(value, str):
             raise ValueError('Must be a string')
 
         minlen = attributes['minlen']
@@ -924,7 +922,7 @@ class ColourMap(props.PropertyBase):
         ``Colormap.name`` attribute. The match is case-insensitive.
         """
 
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
 
             import matplotlib.cm as mplcm
 

fsleyes_props/serialise.py

@@ -30,8 +30,6 @@ other property types for which it is needed, is provided by this module.
 import sys
 import logging
 
-import six
-
 import numpy as np
 
 
@@ -112,7 +110,7 @@ def _deserialise_Boolean(value, *a):
 
     # Special case - a string containig 'false'
     # (case insensitive) evaluates to False.
-    if isinstance(value, six.string_types):
+    if isinstance(value, str):
         value = value.lower()
         if value == 'false':
             value = ''

fsleyes_props/trace.py

@@ -47,7 +47,7 @@ if log.getEffectiveLevel() == logging.DEBUG:
 
     import fsleyes_props as props
 
-    import six.moves.queue as queue
+    import queue
 
     # The problem that I am addressing here is the
     # fact that, when a property value listener is

fsleyes_props/widgets.py

@@ -100,8 +100,6 @@ import os.path as op
 
 from collections.abc import Iterable
 
-import six
-
 import wx
 
 try:                from wx.combo import BitmapComboBox
@@ -547,8 +545,7 @@ def _makeColourMapBitmap(cmap):
     # make a wx Bitmap from the colour data
     colours = colours.ravel(order='C')
 
-    if six.PY2: bitmap = wx.BitmapFromBuffer( width, height, colours)
-    else:       bitmap = wx.Bitmap.FromBuffer(width, height, colours)
+    bitmap = wx.Bitmap.FromBuffer(width, height, colours)
     return bitmap
 
 
@@ -702,7 +699,7 @@ def _LinkBox(parent, hasProps, propObj, propVal, **kwargs):
     propName = propObj.getLabel(hasProps)
     value    = hasProps.isSyncedToParent(propName)
     linkBox  = wx.ToggleButton(parent,
-                               label=six.u('\u21cb'),
+                               label='\u21cb',
                                style=wx.BU_EXACTFIT)
     linkBox.SetValue(value)
 

fsleyes_props/widgets_boolean.py

@@ -12,8 +12,6 @@ the :mod:`widgets` module namespace. It is separated purely to keep the
 
 import wx
 
-import six
-
 from . import                          widgets
 import fsleyes_widgets.bitmapradio  as bmpradio
 import fsleyes_widgets.bitmaptoggle as bmptoggle
@@ -60,7 +58,7 @@ def _Boolean(parent,
 
     else:
 
-        if isinstance(icon, six.string_types):
+        if isinstance(icon, str):
             icon = [icon]
 
         for i in range(len(icon)):

fsleyes_props/widgets_choice.py

@@ -13,8 +13,6 @@ import logging
 
 import wx
 
-import six
-
 import fsleyes_widgets.bitmapradio as bmpradio
 from . import                         widgets
 
@@ -192,7 +190,7 @@ def _Choice(parent,
                 # Load the image file for each choice
                 # if they have not already been loaded
                 for cii, icon in enumerate(choiceIcons):
-                    if isinstance(icon, six.string_types):
+                    if isinstance(icon, str):
                         choiceIcons[cii] = wx.Bitmap(icon,
                                                      type=wx.BITMAP_TYPE_PNG)