syntax: Include py.typed, declare __all__

fluent.syntax/fluent/syntax/__init__.py

@@ -1,17 +1,33 @@
 from typing import Any
-from .ast import Resource
+
+from . import ast
+from .errors import ParseError
 from .parser import FluentParser
 from .serializer import FluentSerializer
+from .stream import FluentParserStream
+from .visitor import Transformer, Visitor
+
+__all__ = [
+    'FluentParser',
+    'FluentParserStream',
+    'FluentSerializer',
+    'ParseError',
+    'Transformer',
+    'Visitor',
+    'ast',
+    'parse',
+    'serialize'
+]
 
 
-def parse(source: str, **kwargs: Any) -> Resource:
+def parse(source: str, **kwargs: Any) -> ast.Resource:
     """Create an ast.Resource from a Fluent Syntax source.
     """
     parser = FluentParser(**kwargs)
     return parser.parse(source)
 
 
-def serialize(resource: Resource, **kwargs: Any) -> str:
+def serialize(resource: ast.Resource, **kwargs: Any) -> str:
     """Serialize an ast.Resource to a unicode string.
     """
     serializer = FluentSerializer(**kwargs)

fluent.syntax/setup.py

@@ -1,8 +1,8 @@
-from setuptools import setup, find_namespace_packages
-import os
+from os import path
+from setuptools import setup
 
-this_directory = os.path.abspath(os.path.dirname(__file__))
-with open(os.path.join(this_directory, 'README.rst'), 'rb') as f:
+this_directory = path.abspath(path.dirname(__file__))
+with open(path.join(this_directory, 'README.rst'), 'rb') as f:
     long_description = f.read().decode('utf-8')
 
 setup(name='fluent.syntax',
@@ -24,6 +24,7 @@
           'Programming Language :: Python :: 3.9',
           'Programming Language :: Python :: 3 :: Only',
       ],
-      packages=find_namespace_packages(include=['fluent.*']),
+      packages=['fluent.syntax'],
+      package_data={'fluent.syntax': ['py.typed']},
       test_suite='tests.syntax'
       )