Remove support for python 2.7

_unittests/ut_module/test_code_style.py

@@ -46,20 +46,16 @@ def test_code_style_src(self):
                                   'R0913', 'R0914', 'R0915', 'R1702', 'R1705',
                                   'W0613',
                                   'W0123', 'W0212', 'W0703', 'W0201'),
-                   skip=["tp_transfer_files.py:376: [E731]",
-                         "_nbconvert_config.py:",
-                         "Redefining built-in 'open'",
-                         "Redefining built-in 'help'",
+                   skip=["_nbconvert_config.py:",
                          #
-                         "Uses of a deprecated module 'tkinter.tix'",
-                         "Unable to import 'Tix'",
                          "Redefining name 'fLOG'",
-                         "Unable to import 'tkFont'",
-                         "Unable to import 'StringIO'",
                          "tk_window.py:56",
                          "tk_window.py:68",
                          "function_helper.py:122",
-                         "Unable to import 'Tkinter'"])
+                         "Unable to import 'Tkinter'",
+                         "tk_window.py:50: W0603",
+                         "tk_window.py:62: W0603",
+                         ])
 
     def test_code_style_test(self):
         fLOG(
@@ -85,12 +81,8 @@ def test_code_style_test(self):
                          "skip___' imported but unused",
                          "[E402] module ",
                          "imported as skip_",
-                         "Unable to import 'StringIO'",
-                         "Redefining built-in 'open'",
                          "Unused variable 'fig'",
-                         "Redefining built-in 'FileNotFoundError'",
                          "test_windows_autopy3.py:",
-                         "Unable to import 'Tkinter'",
                          "Unused import src",
                          ])
 

src/tkinterquickhelper/funcwin/default_functions.py

@@ -8,15 +8,10 @@
 import os
 import re
 import random
-
 from pyquickhelper.loghelper.flog import fLOG, GetSepLine
 from pyquickhelper.filehelper.synchelper import explore_folder_iterfile
 
 
-if sys.version_info[0] == 2:
-    from codecs import open
-
-
 _keep_var_character = re.compile("[^a-zA-Z0-9_]")
 
 

src/tkinterquickhelper/funcwin/frame_function.py

@@ -7,21 +7,14 @@
 import os
 import inspect
 import threading
-
+import tkinter
+import tkinter.font as tkFont
+from io import StringIO
 from pyquickhelper.loghelper.flog import fLOG, GetLogFile
 from .tk_window import create_tk
 from .function_helper import has_unknown_parameters, extract_function_information, private_adjust_parameters, private_get_function
 from .storing_functions import _private_restore, _private_store, interpret_parameter
 
-if sys.version_info[0] == 2:
-    import Tkinter as tkinter
-    import tkFont
-    from StringIO import StringIO
-else:
-    import tkinter
-    import tkinter.font as tkFont
-    from io import StringIO
-
 
 class FrameFunction(tkinter.Frame):
     """

src/tkinterquickhelper/funcwin/frame_params.py

@@ -6,23 +6,19 @@
 """
 import sys
 import os
+import tkinter
 from .tk_window import create_tk
 from .function_helper import private_adjust_parameters
 from .storing_functions import _private_restore, _private_store, interpret_parameter
 
-if sys.version_info[0] == 2:
-    import Tkinter as tkinter
-else:
-    import tkinter
-
 
 class FrameParams(tkinter.Frame):
     """
     Creates a Frame window for a list of parameters.
     """
 
     def __init__(self, parent, restore=True, width=100, raise_exception=False,
-                 params=None, help="", key_save="", command_leave=None):
+                 params=None, help="", key_save="", command_leave=None):  # pylint: disable=W0622
         """
         @param      parent          window parent
         @param      restore         if True, check if existing saved parameters are present

src/tkinterquickhelper/funcwin/function_helper.py

@@ -7,7 +7,6 @@
 import re
 import inspect
 import datetime
-
 from pyquickhelper.loghelper.flog import guess_machine_parameter
 
 

src/tkinterquickhelper/funcwin/main_window.py

@@ -5,18 +5,14 @@
 @brief  building windows to use a function and specify its parameter based on a python function
 """
 import os
-import sys
+import warnings
+import tkinter
+import tkinter.tix as ttix  # pylint: disable=W0402
+from tkinter import TclError
 from .tk_window import create_tixtk
 from .frame_function import FrameFunction
 from .storing_functions import get_icon
 
-if sys.version_info[0] == 2:
-    import Tkinter as tkinter
-    import Tix as ttix
-else:
-    import tkinter
-    import tkinter.tix as ttix
-
 
 class MainFrame(tkinter.Frame):
 
@@ -174,7 +170,10 @@ def main_loop_functions(functions, first=None, restore=True, width=100,
 
     ico = get_icon() if ico is None else ico
     root = create_tixtk()
-    root.iconbitmap(ico)
+    try:
+        root.iconbitmap(ico)
+    except TclError:
+        warnings.warn("Unable to load icon '{0}'".format(ico))
     fr = MainFrame(parent=root, functions=functions, first=first, restore=restore,
                    width=width, raise_exception=raise_exception, overwrite=overwrite,
                    hide=hide)

src/tkinterquickhelper/funcwin/storing_functions.py

@@ -3,7 +3,6 @@
 @file
 @brief  Common functions used for @see cl FrameFunction and @see cl FrameParams.
 """
-import sys
 import os
 import copy
 import datetime
@@ -12,9 +11,6 @@
 from pyquickhelper.loghelper.convert_helper import str2datetime
 from pyquickhelper.loghelper.flog import fLOG, guess_machine_parameter
 
-if sys.version_info[0] == 2:
-    from codecs import open
-
 
 def _private_store(function_name, param):
     """

src/tkinterquickhelper/funcwin/tk_window.py

@@ -3,15 +3,9 @@
 @file
 @brief  Handles window `Tk <https://docs.python.org/3.4/library/tkinter.html#tkinter.Tk>`_
 """
-
 import sys
-
-if sys.version_info[0] == 2:
-    import Tkinter as tkinter
-    import Tix as ttix
-else:
-    import tkinter
-    import tkinter.tix as ttix
+import tkinter
+import tkinter.tix as ttix  # pylint: disable=W0402
 
 
 def X_is_running():