refactor: exclude SimpleNamespace from utils

docs/escaping.rst

@@ -24,8 +24,8 @@ passed to the ``FluentBundle`` constructor or to ``compile_messages``.
 
 An ``escaper`` is an object that defines the following set of attributes. The
 object could be a module, or a simple namespace object you could create using
-``types.SimpleNamespace`` (or ``fluent_compiler.utils.SimpleNamespace`` on Python 2), or
-an instance of a class with appropriate methods defined. The attributes are:
+``types.SimpleNamespace``, or an instance of a class with appropriate
+methods defined. The attributes are:
 
 - ``name`` - a simple text value that is used in error messages.
 

src/fluent_compiler/escapers.py

@@ -1,5 +1,6 @@
+from types import SimpleNamespace
+
 from . import codegen
-from .utils import SimpleNamespace
 
 
 def identity(value):

src/fluent_compiler/utils.py

@@ -18,27 +18,6 @@ class Any:
 Any = Any()
 
 
-# On Python 3 we could get away with just using a class, but on Python 2
-# functions defined in the class body get wrapped with UnboundMethod, which
-# causes problems.
-
-try:
-    from types import SimpleNamespace
-except ImportError:
-    # Python 2 fallback
-    class SimpleNamespace:
-        def __init__(self, **kwargs):
-            self.__dict__.update(kwargs)
-
-        def __repr__(self):
-            keys = sorted(self.__dict__)
-            items = (f"{k}={self.__dict__[k]!r}" for k in keys)
-            return f"{type(self).__name__}({', '.join(items)})"
-
-        def __eq__(self, other):
-            return self.__dict__ == other.__dict__
-
-
 # From spec:
 #    NamedArgument ::= Identifier blank? ":" blank? (StringLiteral | NumberLiteral)
 #    Identifier ::= [a-zA-Z] [a-zA-Z0-9_-]*

tests/test_compiler.py

@@ -1,12 +1,12 @@
 import unittest
+from types import SimpleNamespace
 
 from markupsafe import Markup, escape
 
 from fluent_compiler import codegen
 from fluent_compiler.compiler import compile_messages
 from fluent_compiler.errors import FluentCyclicReferenceError, FluentFormatError, FluentReferenceError
 from fluent_compiler.resource import FtlResource
-from fluent_compiler.utils import SimpleNamespace
 
 from .test_codegen import decompile_ast_list, normalize_python
 from .utils import dedent_ftl