Supports Py36

.travis.yml

@@ -1,15 +1,18 @@
 language: python
 python:
-- '3.7'
+  - '3.6'
+  - '3.7'
 dist: xenial
 env:
   PYTHONPATH=.
 before_install:
-    - pip install pytest pytest-cov
-    - pip install coveralls
+  - pip install pytest pytest-cov
+  - pip install coveralls
+install:
+  - python setup.py -q install
 script: pytest --verbose --cov=atools
 after_success:
-    - coveralls
+  - coveralls
 deploy:
   provider: pypi
   user: cevans87

README.md

@@ -1,7 +1,7 @@
 [![Build Status](https://travis-ci.org/cevans87/atools.svg?branch=master&kill_cache=1)](https://travis-ci.org/cevans87/atools)
 [![Coverage Status](https://coveralls.io/repos/github/cevans87/atools/badge.svg?branch=master&kill_cache=1)](https://coveralls.io/github/cevans87/atools?branch=master)
 # atools
-Python 3.7+ async-enabled decorators and tools including
+Python 3.6+ async-enabled decorators and tools including
 
 - __memoize__ - a function decorator for sync and async functions that memoizes results.
 - __async_test_case__ - a test class/function decorator that enables test functions to be async.

atools/async_test_case_decorator.py

@@ -1,4 +1,3 @@
-from __future__ import annotations
 import asyncio
 from atools.decorator_mixin import DecoratorMixin, Fn, Decoratee, Decorator
 import inspect
@@ -44,7 +43,7 @@ def __init__(self, fn: Fn) -> None:
     def __call__(self, *args, **kwargs) -> Any:
         sync_result = self._fn(*args, **kwargs)
         if inspect.iscoroutinefunction(self._fn):
-            return asyncio.run(sync_result)
+            return asyncio.get_event_loop().run_until_complete(sync_result)
         elif not inspect.iscoroutine(sync_result):
             return sync_result
         else:

atools/decorator_mixin.py

@@ -1,4 +1,3 @@
-from __future__ import annotations
 from functools import wraps
 import inspect
 from typing import Any, Awaitable, Callable, Dict, Optional, Tuple, Type, Union
@@ -13,7 +12,7 @@
 class _DecoratorMeta(type):
     def __new__(
             mcs, name: str, bases: Tuple[Type, ...], namespace: Dict[str, Any]
-    ) -> _DecoratorMeta:
+    ) -> '_DecoratorMeta':
         # DecoratorMixin has a __doc__, but we want the __doc__ from the actual decorator class.
         if len(bases) > 1 and bases[0] is DecoratorMixin and '__doc__' not in namespace:
             namespace['__doc__'] = bases[1].__doc__

setup.cfg

@@ -6,5 +6,7 @@ long_description_content_type = text/markdown
 [options]
 packages = 
 	atools
+install_requires =
+	dataclasses>="0.6";python_version=="3.6"
 py_modules = 
 	__init__

setup.py

@@ -2,12 +2,12 @@
 
 setup(
     name='atools',
-    version='0.5.2',
+    version='0.6.0',
     packages=['', 'atools'],
-    python_requires='>=3.7',
+    python_requires='>=3.6',
     url='https://github.com/cevans87/atools',
     license='mit',
     author='cevans',
     author_email='[email protected]',
-    description='Python 3.7+ async decorators and testing tools'
+    description='Python 3.6+ async decorators and testing tools'
 )

test/test_memoize_decorator.py

@@ -1,4 +1,6 @@
-from asyncio import coroutine, create_task, Event, gather, get_event_loop
+from asyncio import (
+    coroutine, ensure_future, Event, gather, get_event_loop, new_event_loop, set_event_loop
+)
 from atools import async_test_case, memoize
 from datetime import timedelta
 import unittest
@@ -7,7 +9,7 @@
 
 @async_test_case
 class TestMemoize(unittest.TestCase):
-
+    
     def test_zero_args(self) -> None:
         body = MagicMock()
 
@@ -348,12 +350,17 @@ def foo() -> None:
 
     def test_async_no_event_loop_does_not_raise(self) -> None:
         # Show that we decorate without having an active event loop
-        with self.assertRaises(RuntimeError):
-            self.assertIsNone(get_event_loop())
+        # noinspection PyTypeChecker
+        set_event_loop(None)
+        try:
+            with self.assertRaises(RuntimeError):
+                self.assertIsNone(get_event_loop())
 
-        @memoize
-        async def foo() -> None:
-            ...
+            @memoize
+            async def foo() -> None:
+                ...
+        finally:
+            set_event_loop(new_event_loop())
 
     def test_memoizes_class(self) -> None:
         body = MagicMock()
@@ -449,7 +456,7 @@ async def foo() -> int:
             await foo_finish_event.wait()
             return 0
 
-        task_a, task_b = create_task(foo()), create_task(foo())
+        task_a, task_b = ensure_future(foo()), ensure_future(foo())
 
         await foo_start_event.wait()
         foo_finish_event.set()

test/test_rate_decorator.py

@@ -1,4 +1,3 @@
-from __future__ import annotations
 import asyncio
 from asyncio import gather
 from atools import async_test_case, rate
@@ -111,7 +110,7 @@ async def foo() -> None:
 
         await foo()
 
-        task = asyncio.create_task(foo())
+        task = asyncio.ensure_future(foo())
 
         while foo.rate.async_waiters != 1:
             await asyncio.sleep(0)