Drop support for Python 2.

src/ifcopenshell-python/ifcopenshell/__init__.py

@@ -30,10 +30,6 @@ Example:
     model = ifcopenshell.open("/path/to/model.ifc")
 """
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import os
 import sys
 import zipfile

src/ifcopenshell-python/ifcopenshell/entity_instance.py

@@ -17,10 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import functools
 import importlib
 import numbers

src/ifcopenshell-python/ifcopenshell/express/mapping.py

@@ -17,8 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import print_function
-
 import sys
 import nodes
 import templates

src/ifcopenshell-python/ifcopenshell/express/nodes.py

@@ -17,13 +17,10 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import print_function
-
 import io
 import string
 import operator
 import collections
-
 import bootstrap
 
 class Node:

src/ifcopenshell-python/ifcopenshell/file.py

@@ -17,11 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import annotations
-
 import os
 import re
 import numbers
@@ -34,13 +29,6 @@ from typing import Optional, Any
 from . import ifcopenshell_wrapper
 from .entity_instance import entity_instance
 
-try:
-    # Python 2
-    basestring
-except NameError:
-    # Python 3 or newer
-    basestring = (str, bytes)
-
 
 class Transaction:
     def __init__(self, ifc_file):
@@ -403,7 +391,7 @@ class file(object):
     def __getitem__(self, key):
         if isinstance(key, numbers.Integral):
             return entity_instance(self.wrapped_data.by_id(key), self)
-        elif isinstance(key, basestring):
+        elif isinstance(key, (str, bytes)):
             return entity_instance(self.wrapped_data.by_guid(str(key)), self)
 
     def by_id(self, id: int) -> ifcopenshell.entity_instance:

src/ifcopenshell-python/ifcopenshell/geom/__init__.py

@@ -18,9 +18,6 @@
 
 """Geometry processing and analysis"""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
 
 
 def _has_occ():

src/ifcopenshell-python/ifcopenshell/geom/app.py

@@ -16,10 +16,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import os
 import sys
 import time

src/ifcopenshell-python/ifcopenshell/geom/code_editor_pane.py

@@ -16,10 +16,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import os
 import sys
 import logging

src/ifcopenshell-python/ifcopenshell/geom/main.py

@@ -17,11 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import annotations
-
 import os
 import sys
 import operator

src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py

@@ -17,20 +17,12 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import random
 import operator
 import warnings
 
 from collections import namedtuple
-
+from collections.abc import Iterable
-try:  # python 3.3+
-    from collections.abc import Iterable
-except ImportError:  # python 2
-    from collections import Iterable
 
 import OCC
 

src/ifcopenshell-python/ifcopenshell/guid.py

@@ -18,9 +18,6 @@
 
 """Reads and writes encoded GlobalIds"""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
 
 import uuid
 import string

src/ifcopenshell-python/ifcopenshell/main.py

@@ -17,10 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 from . import ifcopenshell_wrapper
 
 version = ifcopenshell_wrapper.version()

src/ifcopenshell-python/ifcopenshell/template.py

@@ -17,10 +17,6 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import time
 import uuid
 

src/ifcopenshell-python/ifcopenshell/util/data.py

@@ -16,7 +16,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import annotations
 import numpy as np
 import ifcopenshell
 from typing import Any, Union

src/ifcopenshell-python/ifcopenshell/util/element.py

@@ -16,7 +16,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import annotations
 import ifcopenshell
 import ifcopenshell.util.element
 from typing import Any, Callable, Optional, Union, Literal, overload

src/ifcopenshell-python/ifcopenshell/util/pset.py

@@ -16,7 +16,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import annotations
 import re
 import pathlib
 import ifcopenshell

src/ifcopenshell-python/ifcopenshell/validate.py

@@ -32,8 +32,6 @@ Available flags:
 - ``--fields``: Output more detailed information about failed entities (available only with ``--json``).
 """
 
-from __future__ import print_function
-
 import os
 import sys
 import json