Drop Python 2.7 support

Supporting Python 2 resulted in some additional dependencies (six,
ushlex, get_terminal_size). Removing 2.7 support makes things a bit
easier and maintainable.

.travis.yml

 sudo: false  # run on new infrastructure
 language: python
 python:
-  - "2.7"
   - "3.2"
   - "3.3"
   - "3.4"

setup.py

@@ -20,9 +20,6 @@ def find_version(*file_paths):
         return version_match.group(1)
     raise RuntimeError("Unable to find version string.")
 
-_PYTHON_VERSION = sys.version_info
-_IS_PYTHON_27 = _PYTHON_VERSION.major == 2 and _PYTHON_VERSION.minor == 7
-
 setup(
     name = "topydo",
     packages = find_packages(exclude=["test"]),
@@ -32,18 +29,13 @@ setup(
     author_email = "me@bramschoenmakers.nl",
     url = "https://github.com/bram85/topydo",
     install_requires = [
-        'six >= 1.9.0',
         'arrow >= 0.7.0',
         'colorama >= 0.2.5' if sys.platform == "win32" else '',
-        # shutil.get_terminal_size() was introduced in Python 3.3
-        'backports.shutil_get_terminal_size>=1.0.0' if _IS_PYTHON_27 else '',
-        'ushlex' if _IS_PYTHON_27 else ''
     ],
     extras_require = {
         'ical': ['icalendar'],
         'prompt-toolkit': ['prompt-toolkit >= 0.53'],
         'test': ['coverage', 'freezegun', 'green', ],
-        'test:python_version=="2.7"': ['mock'],
         'test:python_version!="3.2"': ['pylint'],
     },
     entry_points= {
@@ -55,7 +47,6 @@ setup(
         "Intended Audience :: End Users/Desktop",
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
         "Natural Language :: English",
-        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3.2",
         "Programming Language :: Python :: 3.3",
         "Programming Language :: Python :: 3.4",

test/test_add_command.py

@@ -18,8 +18,6 @@ import unittest
 from datetime import date
 from io import StringIO
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands import AddCommand, ListCommand
 from topydo.lib import TodoList
@@ -298,29 +296,29 @@ class AddCommandTest(CommandTest):
         self.assertEqual(self.errors, command.usage() + "\n")
 
     def test_add_unicode(self):
-        command = AddCommand.AddCommand([u("Special \u25c4")], self.todolist,
+        command = AddCommand.AddCommand([u"Special \u25c4"], self.todolist,
                                         self.out, self.error)
         command.execute()
 
         self.assertEqual(self.output,
-                         u("|  1| {} Special \u25c4\n").format(self.today))
+                         u"|  1| {} Special \u25c4\n".format(self.today))
         self.assertEqual(self.errors, "")
 
     @mock.patch("topydo.commands.AddCommand.stdin",
-                StringIO(u("Fo\u00f3 due:tod id:1\nB\u0105r before:1")))
+                StringIO(u"Fo\u00f3 due:tod id:1\nB\u0105r before:1"))
     def test_add_from_stdin(self):
         command = AddCommand.AddCommand(["-f", "-"], self.todolist, self.out,
                                         self.error)
         command.execute()
 
-        self.assertEqual(self.output, u("|  1| {tod} Fo\u00f3 due:{tod} id:1\n|  2| {tod} B\u0105r p:1\n".format(tod=self.today)))
+        self.assertEqual(self.output, u"|  1| {tod} Fo\u00f3 due:{tod} id:1\n|  2| {tod} B\u0105r p:1\n".format(tod=self.today))
         self.assertEqual(self.errors, "")
 
     def test_add_from_file(self):
         command = AddCommand.AddCommand(["-f", "test/data/AddCommandTest-from_file.txt"], self.todolist, self.out, self.error)
         command.execute()
 
-        self.assertEqual(self.output, u("|  1| {tod} Foo @fo\u00f3b\u0105r due:{tod} id:1\n|  2| {tod} Bar +baz t:{tod} p:1\n".format(tod=self.today)))
+        self.assertEqual(self.output, u"|  1| {tod} Foo @fo\u00f3b\u0105r due:{tod} id:1\n|  2| {tod} Bar +baz t:{tod} p:1\n".format(tod=self.today))
         self.assertEqual(self.errors, "")
 
     def test_add_task_without_date(self):

test/test_delete_command.py

@@ -16,8 +16,6 @@
 
 import unittest
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.DeleteCommand import DeleteCommand
 from topydo.lib.Config import config
@@ -179,14 +177,14 @@ class DeleteCommandTest(CommandTest):
         """
         Throw an error with invalid argument containing special characters.
         """
-        command = DeleteCommand([u("Fo\u00d3B\u0105r"), "Bar"], self.todolist,
+        command = DeleteCommand([u"Fo\u00d3B\u0105r", "Bar"], self.todolist,
                                 self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.output, "")
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     def test_expr_del1(self):
         command = DeleteCommand(["-e", "@test"], self.todolist, self.out,

test/test_depri_command.py

@@ -16,8 +16,6 @@
 
 import unittest
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.DepriCommand import DepriCommand
 from topydo.lib.TodoList import TodoList
@@ -152,14 +150,14 @@ class DepriCommandTest(CommandTest):
         """
         Throw an error with invalid argument containing special characters.
         """
-        command = DepriCommand([u("Fo\u00d3B\u0105r"), "Bar"], self.todolist,
+        command = DepriCommand([u"Fo\u00d3B\u0105r", "Bar"], self.todolist,
                                self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertFalse(self.output)
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     def test_empty(self):
         command = DepriCommand([], self.todolist, self.out, self.error)

test/test_do_command.py

@@ -17,8 +17,6 @@
 import unittest
 from datetime import date, timedelta
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.DoCommand import DoCommand
 from topydo.lib.TodoList import TodoList
@@ -357,13 +355,13 @@ class DoCommandTest(CommandTest):
         """
         Throw an error with invalid argument containing special characters.
         """
-        command = DoCommand([u("Fo\u00d3B\u0105r"), "Bar"], self.todolist,
+        command = DoCommand([u"Fo\u00d3B\u0105r", "Bar"], self.todolist,
                             self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     def test_expr_do1(self):
         command = DoCommand(["-e", "@test"], self.todolist, self.out,

test/test_edit_command.py

@@ -17,8 +17,6 @@
 import os
 import unittest
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.EditCommand import EditCommand
 from topydo.lib.Config import config
@@ -40,7 +38,7 @@ class EditCommandTest(CommandTest):
             "Foo id:1",
             "Bar p:1 @test",
             "Baz @test",
-            u("Fo\u00f3B\u0105\u017a"),
+            u"Fo\u00f3B\u0105\u017a",
         ]
 
         self.todolist = TodoList(todos)
@@ -59,7 +57,7 @@ class EditCommandTest(CommandTest):
 
         self.assertEqual(self.errors, "")
         self.assertTrue(self.todolist.is_dirty())
-        self.assertEqual(self.todolist.print_todos(), u("Bar p:1 @test\nBaz @test\nFo\u00f3B\u0105\u017a\nFoo id:1"))
+        self.assertEqual(self.todolist.print_todos(), u"Bar p:1 @test\nBaz @test\nFo\u00f3B\u0105\u017a\nFoo id:1")
 
     @mock.patch('topydo.commands.EditCommand._is_edited')
     @mock.patch('topydo.commands.EditCommand.EditCommand._todos_from_temp')
@@ -76,7 +74,7 @@ class EditCommandTest(CommandTest):
 
         self.assertTrue(self.todolist.is_dirty())
         self.assertEqual(self.errors, "")
-        self.assertEqual(self.todolist.print_todos(), u("Foo id:1\nBaz @test\nFo\u00f3B\u0105\u017a\nLazy Cat"))
+        self.assertEqual(self.todolist.print_todos(), u"Foo id:1\nBaz @test\nFo\u00f3B\u0105\u017a\nLazy Cat")
 
     def test_edit03(self):
         """ Throw an error after invalid todo number given as argument. """
@@ -100,13 +98,13 @@ class EditCommandTest(CommandTest):
         """
         Throw an error with invalid argument containing special characters.
         """
-        command = EditCommand([u("Fo\u00d3B\u0105r"), "Bar"], self.todolist,
+        command = EditCommand([u"Fo\u00d3B\u0105r", "Bar"], self.todolist,
                               self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     @mock.patch('topydo.commands.EditCommand._is_edited')
     @mock.patch('topydo.commands.EditCommand.EditCommand._todos_from_temp')
@@ -117,14 +115,14 @@ class EditCommandTest(CommandTest):
         mock_todos_from_temp.return_value = [Todo('Lazy Cat')]
         mock_is_edited.return_value = True
 
-        command = EditCommand([u("Fo\u00f3B\u0105\u017a")], self.todolist,
+        command = EditCommand([u"Fo\u00f3B\u0105\u017a"], self.todolist,
                               self.out, self.error, None)
         command.execute()
 
         self.assertTrue(self.todolist.is_dirty())
         self.assertEqual(self.errors, "")
         self.assertEqual(self.todolist.print_todos(),
-                         u("Foo id:1\nBar p:1 @test\nBaz @test\nLazy Cat"))
+                         u"Foo id:1\nBar p:1 @test\nBaz @test\nLazy Cat")
 
     @mock.patch('topydo.commands.EditCommand._is_edited')
     @mock.patch('topydo.commands.EditCommand.EditCommand._todos_from_temp')
@@ -141,7 +139,7 @@ class EditCommandTest(CommandTest):
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.errors, "Editing aborted. Nothing to do.\n")
-        self.assertEqual(self.todolist.print_todos(), u("Foo id:1\nBar p:1 @test\nBaz @test\nFo\u00f3B\u0105\u017a"))
+        self.assertEqual(self.todolist.print_todos(), u"Foo id:1\nBar p:1 @test\nBaz @test\nFo\u00f3B\u0105\u017a")
 
     @mock.patch('topydo.commands.EditCommand._is_edited')
     @mock.patch('topydo.commands.EditCommand.EditCommand._todos_from_temp')
@@ -157,12 +155,12 @@ class EditCommandTest(CommandTest):
                               self.error, None)
         command.execute()
 
-        expected = u("|  3| Lazy Cat\n|  4| Lazy Dog\n")
+        expected = u"|  3| Lazy Cat\n|  4| Lazy Dog\n"
 
         self.assertEqual(self.errors, "")
         self.assertTrue(self.todolist.is_dirty())
         self.assertEqual(self.output, expected)
-        self.assertEqual(self.todolist.print_todos(), u("Foo id:1\nFo\u00f3B\u0105\u017a\nLazy Cat\nLazy Dog"))
+        self.assertEqual(self.todolist.print_todos(), u"Foo id:1\nFo\u00f3B\u0105\u017a\nLazy Cat\nLazy Dog")
 
     @mock.patch('topydo.commands.EditCommand.check_call')
     def test_edit_archive(self, mock_call):

test/test_get_sub_command.py

@@ -16,8 +16,6 @@
 
 import unittest
 
-from six import u
-
 from test.topydo_testcase import TopydoTest
 from topydo.Commands import get_subcommand
 from topydo.commands.AddCommand import AddCommand
@@ -60,7 +58,7 @@ class GetSubcommandTest(TopydoTest):
         args = ["smile"]
         real_cmd, final_args = get_subcommand(args)
         self.assertTrue(issubclass(real_cmd, ListCommand))
-        self.assertEqual(final_args, [u("\u263b")])
+        self.assertEqual(final_args, [u"\u263b"])
 
     def test_default_cmd01(self):
         args = ["bar"]

test/test_list_command.py

@@ -18,8 +18,6 @@ import codecs
 import re
 import unittest
 
-from six import u
-
 from test.command_testcase import CommandTest
 from test.facilities import load_file_to_todolist
 from topydo.commands.ListCommand import ListCommand
@@ -316,13 +314,13 @@ class ListCommandUnicodeTest(CommandTest):
 
     def test_list_unicode1(self):
         """ Unicode filters."""
-        command = ListCommand([u("\u25c4")], self.todolist, self.out,
+        command = ListCommand([u"\u25c4"], self.todolist, self.out,
                               self.error)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
 
-        expected = u("|  1| (C) And some sp\u00e9cial tag:\u25c4\n")
+        expected = u"|  1| (C) And some sp\u00e9cial tag:\u25c4\n"
 
         self.assertEqual(self.output, expected)
 

test/test_postpone_command.py

@@ -17,8 +17,6 @@
 import unittest
 from datetime import date, timedelta
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.PostponeCommand import PostponeCommand
 from topydo.lib.TodoList import TodoList
@@ -252,14 +250,14 @@ class PostponeCommandTest(CommandTest):
 
     def test_postpone20(self):
         """ Throw an error with invalid argument containing special characters. """
-        command = PostponeCommand([u("Fo\u00d3B\u0105r"), "Bar", "1d"],
+        command = PostponeCommand([u"Fo\u00d3B\u0105r", "Bar", "1d"],
                                   self.todolist, self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.output, "")
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     def test_expr_postpone1(self):
         command = PostponeCommand(["-e", "due:tod", "2w"], self.todolist,

test/test_priority_command.py

@@ -16,8 +16,6 @@
 
 import unittest
 
-from six import u
-
 from test.command_testcase import CommandTest
 from topydo.commands.PriorityCommand import PriorityCommand
 from topydo.lib.TodoList import TodoList
@@ -198,14 +196,14 @@ class PriorityCommandTest(CommandTest):
         """
         Throw an error with invalid argument containing special characters.
         """
-        command = PriorityCommand([u("Fo\u00d3B\u0105r"), "Bar", "C"],
+        command = PriorityCommand([u"Fo\u00d3B\u0105r", "Bar", "C"],
                                   self.todolist, self.out, self.error, None)
         command.execute()
 
         self.assertFalse(self.todolist.is_dirty())
         self.assertEqual(self.output, "")
         self.assertEqual(self.errors,
-                         u("Invalid todo number given: Fo\u00d3B\u0105r.\n"))
+                         u"Invalid todo number given: Fo\u00d3B\u0105r.\n")
 
     def test_invalid8(self):
         """

test/test_revert_command.py

@@ -20,7 +20,6 @@ import unittest
 
 from datetime import date
 from glob import glob
-from six import u
 from uuid import uuid4
 
 from test.command_testcase import CommandTest

test/test_todo_file.py

@@ -16,8 +16,6 @@
 
 import unittest
 
-from six import u
-
 from test.facilities import load_file
 from test.topydo_testcase import TopydoTest
 
@@ -32,7 +30,7 @@ class TodoFileTest(TopydoTest):
         todofile = load_file('test/data/utf-8.txt')
 
         self.assertEqual(todofile[0].source(),
-                         u('(C) \u25ba UTF-8 test \u25c4'))
+                         u'(C) \u25ba UTF-8 test \u25c4')
 
 if __name__ == '__main__':
     unittest.main()

topydo/cli/CLIApplicationBase.py

@@ -21,8 +21,6 @@ I/O on the command-line.
 
 import getopt
 import sys
-from six import PY2
-from six.moves import input
 
 MAIN_OPTS = "ac:d:ht:v"
 READ_ONLY_COMMANDS = ('List', 'ListContext', 'ListProject')
@@ -128,9 +126,6 @@ class CLIApplicationBase(object):
     def _process_flags(self):
         args = sys.argv[1:]
 
-        if PY2:
-            args = [arg.decode('utf-8') for arg in args]
-
         try:
             opts, args = getopt.getopt(args, MAIN_OPTS)
         except getopt.GetoptError as e:
@@ -188,12 +183,6 @@ class CLIApplicationBase(object):
         else:
             pass  # TODO
 
-    def _input(self):
-        """
-        Returns a function that retrieves user input.
-        """
-        return input
-
     def is_read_only(self, p_command):
         """ Returns True when the given command class is read-only. """
         read_only_commands = tuple(cmd + 'Command' for cmd in ('Revert', ) +
@@ -216,7 +205,7 @@ class CLIApplicationBase(object):
             self.todolist,
             lambda o: write(sys.stdout, o),
             error,
-            self._input())
+            input)
 
         if command.execute() != False:
             return True

topydo/cli/Prompt.py

@@ -24,13 +24,9 @@ from topydo.cli.CLIApplicationBase import CLIApplicationBase, error, usage
 from topydo.cli.TopydoCompleter import TopydoCompleter
 from prompt_toolkit.shortcuts import prompt
 from prompt_toolkit.history import InMemoryHistory
-from six import PY2
 
 from topydo.lib.Config import config, ConfigError
 
-if PY2:
-    import ushlex as shlex
-
 # First thing is to poke the configuration and check whether it's sane
 # The modules below may already read in configuration upon import, so
 # make sure to bail out if the configuration is invalid.
@@ -84,8 +80,6 @@ class PromptApplication(CLIApplicationBase):
             self.todolist = TodoList.TodoList(self.todofile.read())
             self.mtime = current_mtime
 
-            # suppress upstream issue with Python 2.7
-            # pylint: disable=no-value-for-parameter
             self.completer = TopydoCompleter(self.todolist)
 
     def run(self):

topydo/commands/EditCommand.py

@@ -18,8 +18,6 @@ import os
 import tempfile
 from subprocess import CalledProcessError, check_call
 
-from six import u
-
 from topydo.lib.Config import config
 from topydo.lib.MultiCommand import MultiCommand
 from topydo.lib.PrettyPrinterFilter import PrettyPrinterNumbers
@@ -97,7 +95,7 @@ class EditCommand(MultiCommand):
 
         if len(self.invalid_numbers) > 1 or len(self.invalid_numbers) > 0 and len(self.todos) > 0:
             for number in self.invalid_numbers:
-                errors.append(u("Invalid todo number given: {}.").format(number))
+                errors.append(u"Invalid todo number given: {}.".format(number))
         elif len(self.invalid_numbers) == 1 and len(self.todos) == 0:
             errors.append("Invalid todo number given.")
 

topydo/lib/Config.py

@@ -14,16 +14,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import configparser
 import os
 import shlex
 
-from six import iteritems, PY2
-from six.moves import configparser
-
-if PY2:
-    import ushlex as shlex
-    import codecs
-
 class ConfigError(Exception):
     def __init__(self, p_text):
         self.text = p_text
@@ -121,7 +115,7 @@ class _Config:
         for section in self.defaults:
             self.cp.add_section(section)
 
-            for option, value in iteritems(self.defaults[section]):
+            for option, value in self.defaults[section].items():
                 self.cp.set(section, option, value)
 
         files = [
@@ -137,16 +131,7 @@ class _Config:
         if p_path is not None:
             files = [p_path]
 
-        if PY2:
-            for path in files:
-                try:
-                    with codecs.open(path, 'r', encoding='utf-8') as f:
-                        self.cp.readfp(f)
-                except IOError:
-                    pass
-        else:
         self.cp.read(files)
-
         self._supplement_sections()
 
         if p_overrides:

topydo/lib/ListFormat.py

@@ -19,8 +19,6 @@
 import arrow
 import re
 
-from six import u
-
 from topydo.lib.Config import config
 from topydo.lib.Utils import get_terminal_size
 
@@ -162,13 +160,13 @@ class ListFormatParser(object):
 
 
             # list of tags (spaces) without hidden ones and due: and t:
-            'k': lambda t: ' '.join([u('{}:{}').format(tag, value)
+            'k': lambda t: ' '.join([u'{}:{}'.format(tag, value)
                                      for tag, value in sorted(t.tags()) if
                                      tag not in config().hidden_tags() +
                                      [config().tag_start(), config().tag_due()]]),
 
             # list of all tags (spaces)
-            'K': lambda t: ' '.join([u('{}:{}').format(tag, value)
+            'K': lambda t: ' '.join([u'{}:{}'.format(tag, value)
                                      for tag, value in sorted(t.tags())]),
 
             # priority

topydo/lib/MultiCommand.py

@@ -14,8 +14,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from six import u
-
 from topydo.lib.ExpressionCommand import ExpressionCommand
 from topydo.lib.TodoListBase import InvalidTodoException
 
@@ -90,7 +88,7 @@ class MultiCommand(ExpressionCommand):
 
         if len(self.invalid_numbers) > 1 or len(self.invalid_numbers) > 0 and len(self.todos) > 0:
             for number in self.invalid_numbers:
-                errors.append(u("Invalid todo number given: {}.").format(number))
+                errors.append(u"Invalid todo number given: {}.".format(number))
         elif len(self.invalid_numbers) == 1 and len(self.todos) == 0:
             errors.append("Invalid todo number given.")
         elif len(self.todos) == 0 and len(self.invalid_numbers) == 0:

topydo/lib/PrettyPrinterFilter.py

@@ -19,7 +19,6 @@
 import re
 
 from collections import OrderedDict
-from six import u
 
 from topydo.lib.Colors import NEUTRAL_COLOR, Colors
 from topydo.lib.Config import config
@@ -99,7 +98,7 @@ class PrettyPrinterNumbers(PrettyPrinterFilter):
 
     def filter(self, p_todo_str, p_todo):
         """ Prepends the number to the todo string. """
-        return u("|{:>3}| {}").format(self.todolist.number(p_todo), p_todo_str)
+        return u"|{:>3}| {}".format(self.todolist.number(p_todo), p_todo_str)
 
 
 class PrettyPrinterFormatFilter(PrettyPrinterFilter):

topydo/lib/TodoBase.py

@@ -21,8 +21,6 @@ This module contains the class that represents a single todo item.
 import re
 from datetime import date
 
-from six import u
-
 from topydo.lib.TodoParser import parse_line
 from topydo.lib.Utils import is_valid_priority
 
@@ -218,7 +216,7 @@ class TodoBase(object):
         self.src = re.sub(
             r'^(x \d{4}-\d{2}-\d{2} |\([A-Z]\) )?(\d{4}-\d{2}-\d{2} )?(.*)$',
             lambda m:
-            u("{}{} {}").format(m.group(1) or '', p_date.isoformat(),
+            u"{}{} {}".format(m.group(1) or '', p_date.isoformat(),
                                 m.group(3)), self.src)
 
     def creation_date(self):

topydo/lib/TodoListBase.py

@@ -21,8 +21,6 @@ A list of todo items.
 import re
 from datetime import date
 
-from six import text_type
-
 from topydo.lib import Filter
 from topydo.lib.Config import config
 from topydo.lib.HashListValues import hash_list_values
@@ -128,7 +126,7 @@ class TodoListBase(object):
 
         if not result:
             # convert integer to text so we pass on a valid regex
-            result = todo_by_regexp(text_type(p_identifier))
+            result = todo_by_regexp(str(p_identifier))
 
         return result