New version compatible with Py3.9 (#19)

* New version compatible with Py3.9

.travis.yml

@@ -1,7 +1,9 @@
 language: python
 python:
-  - "3.5"
   - "3.6"
+  - "3.7"
+  - "3.8"
+  - "3.9"
 # command to install dependencies
 install:
   - make requirements-test

README.rst

@@ -126,6 +126,14 @@ In order to send a payload you must use ``payload`` keyword on call:
 Changelog
 =========
 
+
+v0.7.1
+------
+
+- Python 3.9 compatible.
+- Update aiohttp.
+
+
 v0.6.1
 ------
 

requirements-test.txt

@@ -3,3 +3,4 @@ flake8
 coverage
 nose
 asynctest
+autopep8

requirements.txt

@@ -1,3 +1,3 @@
 dirty-loader >= 0.2.2
-git+https://github.com/alfred82santa/configure.git
-aiohttp >= 3.1.1
+configure-fork
+aiohttp >= 3.7.4

service_client/__init__.py

@@ -1,16 +1,20 @@
 import logging
-from asyncio import get_event_loop, ensure_future
-from asyncio.tasks import Task
+from asyncio import Task, ensure_future, get_event_loop
 from urllib.parse import urlparse, urlunsplit
 
+try:
+    current_task = Task.current_task
+except AttributeError:  # pragma: no cover
+    from asyncio import current_task
+
 from aiohttp.client import ClientSession
 from aiohttp.client_reqrep import ClientResponse
 from aiohttp.connector import TCPConnector
 from yarl import URL
 
 from .utils import ObjectWrapper
 
-__version__ = '0.7.0'
+__version__ = '0.7.1'
 
 
 class ServiceClient:
@@ -36,7 +40,7 @@ def __init__(self, name='GenericService', spec=None, plugins=None, config=None,
 
     def create_response(self, *args, **kwargs):
         response = ObjectWrapper(ClientResponse(*args, **kwargs))
-        task = Task.current_task(loop=self.loop)
+        task = current_task(loop=self.loop)
 
         self._execute_plugin_hooks_sync('prepare_response',
                                         endpoint_desc=task.endpoint_desc, session=task.session,
@@ -78,7 +82,7 @@ async def call(self, endpoint, payload=None, **kwargs):
                                                                  request_params=request_params)
 
             await self.before_request(endpoint_desc, session, request_params)
-            task = Task.current_task(loop=self.loop)
+            task = current_task(loop=self.loop)
             task.session = session
             task.endpoint_desc = endpoint_desc
             task.request_params = request_params

service_client/formatters.py

@@ -1,6 +1,6 @@
-from urllib.parse import urlencode
 from http.server import BaseHTTPRequestHandler
 from logging import Formatter, PercentStyle, StrFormatStyle, StringTemplateStyle
+from urllib.parse import urlencode
 
 _STYLES = {
     '%': PercentStyle,
@@ -70,7 +70,8 @@ def formatMessage(self, record):
             pass
 
         try:
-            record.exception_repr = repr(record.exception)
+            record.exception_repr = "{type}('{message}')".format(type=type(record.exception).__name__,
+                                                                 message=str(record.exception))
         except AttributeError:
             pass
 

service_client/mocks.py

@@ -1,10 +1,12 @@
 from asyncio import get_event_loop
+from asyncio.futures import Future
+from functools import wraps
 
 from aiohttp import RequestInfo
 from aiohttp.client_reqrep import ClientResponse
+from aiohttp.helpers import TimerContext
 from dirty_loader import LoaderNamespaceReversedCached
-from functools import wraps
-from multidict import CIMultiDict
+from multidict import CIMultiDict, CIMultiDictProxy
 from yarl import URL
 
 from .plugins import BasePlugin
@@ -189,6 +191,11 @@ def __init__(self, endpoint_desc, session, request_params,
         self.loop = loop or get_event_loop()
 
     async def __call__(self, *args, **kwargs):
+        try:
+            from asyncio import create_task
+        except ImportError:  # pragma: no cover
+            create_task = self.loop.create_task
+
         args = list(args)
         try:
             method = kwargs['method']
@@ -204,14 +211,27 @@ async def __call__(self, *args, **kwargs):
         self.url = url
         self.args = args
         self.kwargs = kwargs
-        self.response = ClientResponse(method, URL(url),
-                                       writer=None, continue100=False, timer=None,
-                                       request_info=RequestInfo(URL(url), method, kwargs.get('headers', [])),
-                                       auto_decompress=False,
-                                       traces=[], loop=self.loop, session=self.session)
+
+        async def writer(*args, **kwargs):
+            return None
+
+        continue100 = Future()
+        continue100.set_result(False)
+
+        self.response = ClientResponse(method,
+                                       URL(url),
+                                       writer=create_task(writer()),
+                                       continue100=continue100,
+                                       timer=TimerContext(loop=self.loop),
+                                       request_info=RequestInfo(URL(url),
+                                                                method,
+                                                                kwargs.get('headers', [])),
+                                       traces=[],
+                                       loop=self.loop,
+                                       session=self.session)
 
         self.response.status = self.mock_desc.get('status', 200)
-        self.response.headers = CIMultiDict(self.mock_desc.get('headers', {}))
+        self.response._headers = CIMultiDictProxy(CIMultiDict(self.mock_desc.get('headers', {})))
 
         await self.prepare_response()
 

service_client/plugins.py

@@ -1,11 +1,11 @@
 import logging
-from asyncio import wait_for, TimeoutError
+import weakref
+from asyncio import TimeoutError, wait_for
 from datetime import datetime
+from functools import wraps
 from urllib.parse import quote_plus
 
-import weakref
 from async_timeout import timeout as TimeoutContext
-from functools import wraps
 from multidict import CIMultiDict
 
 from service_client.utils import IncompleteFormatter, random_token
@@ -336,16 +336,15 @@ def __init__(self, limit=1, timeout=None, hard_limit=None):
         self.limit = limit
         self._counter = 0
         self._fut = None
-        self._pending = 0
+        self._pending_futs = []
         self._timeout = timeout
         self._hard_limit = hard_limit
 
     @property
     def pending(self):
-        return self._pending
+        return len(self._pending_futs)
 
     async def _acquire(self):
-
         timeout = self._timeout
         while True:
             if self._counter < self.limit:
@@ -355,26 +354,26 @@ async def _acquire(self):
             if self._hard_limit is not None and self._hard_limit < self.pending:
                 raise TooManyRequestsPendingError(self.TOO_MANY_REQ_PENDING_MSG)
 
-            if self._fut is None:
-                self._fut = self.service_client.loop.create_future()
-            self._pending += 1
+            fut = self.service_client.loop.create_future()
+            self._pending_futs.append(fut)
 
             try:
                 now = self.service_client.loop.time()
-                await wait_for(self._fut, timeout=timeout, loop=self.service_client.loop)
+                await wait_for(fut, timeout=timeout, loop=self.service_client.loop)
                 if timeout is not None:
                     timeout -= self.service_client.loop.time() - now
-                    if timeout <= 0:
-                        raise TimeoutError()
             except TimeoutError:
                 raise TooMuchTimePendingError(self.TOO_MUCH_TIME_MSG)
-            finally:
-                self._pending -= 1
 
     def _release(self):
         self._counter -= 1
-        if self._fut is not None:
-            self._fut.set_result(None)
+
+        try:
+            fut = self._pending_futs.pop(0)
+        except IndexError:
+            pass
+        else:
+            fut.set_result(None)
 
     async def before_request(self, endpoint_desc, session, request_params):
         start = self.service_client.loop.time()
@@ -386,9 +385,10 @@ async def before_request(self, endpoint_desc, session, request_params):
                     self.service_client.loop.time() - start)
 
     def close(self):
-        if self._fut is not None:
-            from service_client import ConnectionClosedError
-            self._fut.set_exception(ConnectionClosedError('Connection closed'))
+        from service_client import ConnectionClosedError
+        while len(self._pending_futs):
+            fut = self._pending_futs.pop(0)
+            fut.set_exception(ConnectionClosedError('Connection closed'))
 
 
 class Pool(BaseLimitPlugin):

service_client/spec_loaders.py

@@ -1,15 +1,13 @@
-
-
 def json_loader(filename):
     from json import load
     with open(filename) as f:
         return load(f)
 
 
 def yaml_loader(filename):
-    from yaml import load
+    from yaml import load, FullLoader
     with open(filename) as f:
-        return load(f)
+        return load(f, Loader=FullLoader)
 
 
 def configuration_loader(filename):

setup.py

@@ -46,7 +46,7 @@
         'Development Status :: 4 - Beta'],
     packages=['service_client'],
     include_package_data=False,
-    install_requires=['dirty-loader>=0.2.2', 'aiohttp>=3.1.1'],
+    install_requires=['dirty-loader>=0.2.2', 'aiohttp>=3.7.4', 'configure-fork'],
     description="Service Client Framework powered by Python asyncio.",
     long_description=open(os.path.join(os.path.dirname(__file__), 'README.rst')).read(),
     test_suite="nose.collector",

tests/__init__.py

@@ -1,13 +1,31 @@
-from asyncio import get_event_loop
+from asyncio import Future, get_event_loop
 
 from aiohttp import ClientResponse, RequestInfo
+from aiohttp.helpers import TimerContext
 from yarl import URL
 
 
 async def create_fake_response(method, url, *, session, headers=None, loop=None):
+    loop = loop or get_event_loop()
+
+    try:
+        from asyncio import create_task
+    except ImportError:  # pragma: no cover
+        create_task = loop.create_task
+
+    async def writer(*args, **kwargs):
+        return None
+
+    continue100 = Future()
+    continue100.set_result(False)
+
     return ClientResponse(method, URL(url),
-                          writer=None, continue100=False, timer=None,
-                          request_info=RequestInfo(URL(url), method,
+                          writer=create_task(writer()),
+                          continue100=continue100,
+                          timer=TimerContext(loop=loop),
+                          request_info=RequestInfo(URL(url),
+                                                   method,
                                                    headers or []),
-                          auto_decompress=False,
-                          traces=[], loop=loop or get_event_loop(), session=session)
+                          traces=[],
+                          loop=loop,
+                          session=session)

tests/tests_formatters.py

@@ -95,7 +95,7 @@ def test_on_parse_exception(self):
                                                   'status_code': 404,
                                                   'elapsed': timedelta(seconds=0.214),
                                                   'exception': AttributeError('test exception')})
-        log_text = """EXCEPTION | GET http://example.com | 404 Not Found | 214 ms | AttributeError('test exception',)
+        log_text = """EXCEPTION | GET http://example.com | 404 Not Found | 214 ms | AttributeError('test exception')
 Headers:
 Test-Header-1: header value 1
 Test-Header-2: header value 2
@@ -110,7 +110,7 @@ def test_on_exception(self):
                                                   'method': 'GET',
                                                   'url': 'http://example.com',
                                                   'exception': AttributeError('test exception')})
-        log_text = "EXCEPTION | GET http://example.com | AttributeError('test exception',)"
+        log_text = "EXCEPTION | GET http://example.com | AttributeError('test exception')"
 
         self.assertEqual(self.formatter.formatMessage(log_entry), log_text)
 

tests/tests_mocks.py

@@ -2,6 +2,7 @@
 from aiohttp import hdrs
 from aiohttp.client import ClientSession
 from asynctest.case import TestCase
+from multidict import CIMultiDict
 
 from service_client.mocks import Mock, mock_manager, RawFileMock
 from service_client.utils import ObjectWrapper
@@ -124,7 +125,7 @@ async def test_calling_mock_same_endpoint(self):
 
     @mock_manager.patch_mock_desc(patch={'mock_type': 'default:RawFileMock',
                                          'file': os.path.join(MOCKS_DIR, 'test_mock_text.data'),
-                                         'headers': {hdrs.CONTENT_TYPE: "text/plain; charset=utf8"}})
+                                         'headers': CIMultiDict({hdrs.CONTENT_TYPE: "text/plain; charset=utf8"})})
     async def test_patch_mock(self):
         await self.plugin.prepare_session(self.service_desc, self.session, {})
         self.assertIsInstance(self.session.request, RawFileMock)