Fix linter warnings

app/router/v1/confirmed.py

@@ -6,6 +6,6 @@
 @V1.get("/confirmed")
 async def confirmed():
     """Confirmed cases."""
-    confirmed = await get_category("confirmed")
+    confirmed_data = await get_category("confirmed")
 
-    return confirmed
+    return confirmed_data

app/router/v1/deaths.py

@@ -6,6 +6,6 @@
 @V1.get("/deaths")
 async def deaths():
     """Total deaths."""
-    deaths = await get_category("deaths")
+    deaths_data = await get_category("deaths")
 
-    return deaths
+    return deaths_data

app/router/v1/recovered.py

@@ -6,6 +6,6 @@
 @V1.get("/recovered")
 async def recovered():
     """Recovered cases."""
-    recovered = await get_category("recovered")
+    recovered_data = await get_category("recovered")
 
-    return recovered
+    return recovered_data

app/services/location/csbs.py

@@ -39,7 +39,7 @@ async def get_locations():
     :returns: The locations.
     :rtype: dict
     """
-    async with httputils.client_session.get(BASE_URL) as response:
+    async with httputils.CLIENT_SESSION.get(BASE_URL) as response:
         text = await response.text()
 
     data = list(csv.DictReader(text.splitlines()))

app/services/location/jhu.py

@@ -55,7 +55,7 @@ async def get_category(category):
     url = BASE_URL + "time_series_covid19_%s_global.csv" % category
 
     # Request the data
-    async with httputils.client_session.get(url) as response:
+    async with httputils.CLIENT_SESSION.get(url) as response:
         text = await response.text()
 
     # Parse the CSV.

app/utils/httputils.py

@@ -1,10 +1,11 @@
+"""app.utils.httputils.py"""
 import logging
 
 from aiohttp import ClientSession
 
 
 # Singleton aiohttp.ClientSession instance.
-client_session: ClientSession
+CLIENT_SESSION: ClientSession
 
 
 LOGGER = logging.getLogger(__name__)
@@ -17,14 +18,14 @@ async def setup_client_session():
     See: https://docs.aiohttp.org/en/stable/client_quickstart.html#make-a-request
 
     """
-    global client_session
+    global CLIENT_SESSION  # pylint: disable=global-statement
     LOGGER.info("Setting up global aiohttp.ClientSession.")
-    client_session = ClientSession()
+    CLIENT_SESSION = ClientSession()
 
 
 async def teardown_client_session():
     """Close the application-global aiohttp.ClientSession.
     """
-    global client_session
+    global CLIENT_SESSION  # pylint: disable=global-statement
     LOGGER.info("Closing global aiohttp.ClientSession.")
-    await client_session.close()
+    await CLIENT_SESSION.close()

tests/conftest.py

@@ -80,12 +80,12 @@ def mock_client_session_class(request):
     See: https://docs.pytest.org/en/5.4.1/unittest.html#mixing-pytest-fixtures-into-unittest-testcase-subclasses-using-marks
     """
 
-    httputils.client_session = request.cls.mock_client_session = mock.AsyncMock()
-    httputils.client_session.get = mocked_session_get
+    httputils.CLIENT_SESSION = request.cls.mock_client_session = mock.AsyncMock()
+    httputils.CLIENT_SESSION.get = mocked_session_get
     try:
         yield
     finally:
-        del httputils.client_session
+        del httputils.CLIENT_SESSION
 
 
 @pytest.fixture
@@ -94,12 +94,12 @@ async def mock_client_session():
     instance.
     """
 
-    httputils.client_session = mock.AsyncMock()
-    httputils.client_session.get = mocked_session_get
+    httputils.CLIENT_SESSION = mock.AsyncMock()
+    httputils.CLIENT_SESSION.get = mocked_session_get
     try:
-        yield httputils.client_session
+        yield httputils.CLIENT_SESSION
     finally:
-        del httputils.client_session
+        del httputils.CLIENT_SESSION
 
 
 @asynccontextmanager

tests/test_httputils.py

@@ -7,13 +7,13 @@
 async def test_setup_teardown_client_session():
     with pytest.raises(AttributeError):
         # Ensure client_session is undefined prior to setup
-        httputils.client_session
+        httputils.CLIENT_SESSION
 
     await httputils.setup_client_session()
 
-    assert httputils.client_session
+    assert httputils.CLIENT_SESSION
 
     await httputils.teardown_client_session()
-    assert httputils.client_session.closed
+    assert httputils.CLIENT_SESSION.closed
 
-    del httputils.client_session
+    del httputils.CLIENT_SESSION