Upgrade pylint to 2.0.1 (home-assistant#15683)

* Upgrade pylint to 2.0.1

* Pylint 2 bad-whitespace fix

* Pylint 2 possibly-unused-variable fixes

* Pylint 2 try-except-raise fixes

* Disable pylint fixme for todoist for now

pylint-dev/pylint#2320

* Disable pylint 2 useless-return for now

pylint-dev/pylint#2300

* Disable pylint 2 invalid-name for type variables for now

pylint-dev/pylint#1290

* Disable pylint 2 not-an-iterable for now

pylint-dev/pylint#2311

* Pylint 2 unsubscriptable-object workarounds

* Disable intentional pylint 2 assignment-from-nones

* Disable pylint 2 unsupported-membership-test apparent false positives

* Disable pylint 2 assignment-from-no-return apparent false positives

* Disable pylint 2 comparison-with-callable false positives

pylint-dev/pylint#2306

homeassistant/components/apple_tv.py

@@ -45,7 +45,7 @@
 NOTIFICATION_SCAN_ID = 'apple_tv_scan_notification'
 NOTIFICATION_SCAN_TITLE = 'Apple TV Scan'
 
-T = TypeVar('T')
+T = TypeVar('T')  # pylint: disable=invalid-name
 
 
 # This version of ensure_list interprets an empty dict as no value

homeassistant/components/calendar/todoist.py

@@ -26,6 +26,9 @@
 CONF_PROJECT_LABEL_WHITELIST = 'labels'
 CONF_PROJECT_WHITELIST = 'include_projects'
 
+# https://github.com/PyCQA/pylint/pull/2320
+# pylint: disable=fixme
+
 # Calendar Platform: Does this calendar event last all day?
 ALL_DAY = 'all_day'
 # Attribute: All tasks in this project

homeassistant/components/light/__init__.py

@@ -439,6 +439,7 @@ def get(cls, name):
     @classmethod
     def get_default(cls, entity_id):
         """Return the default turn-on profile for the given light."""
+        # pylint: disable=unsupported-membership-test
         name = entity_id + ".default"
         if name in cls._all:
             return name

homeassistant/components/media_player/bluesound.py

@@ -216,12 +216,8 @@ def _try_get_index(string, search_string):
     async def force_update_sync_status(
             self, on_updated_cb=None, raise_timeout=False):
         """Update the internal status."""
-        resp = None
-        try:
-            resp = await self.send_bluesound_command(
-                'SyncStatus', raise_timeout, raise_timeout)
-        except Exception:
-            raise
+        resp = await self.send_bluesound_command(
+            'SyncStatus', raise_timeout, raise_timeout)
 
         if not resp:
             return None

homeassistant/components/media_player/pandora.py

@@ -253,9 +253,11 @@ def _query_for_playing_status(self):
             _LOGGER.warning("On unexpected station list page")
             self._pianobar.sendcontrol('m')  # press enter
             self._pianobar.sendcontrol('m')  # do it again b/c an 'i' got in
+            # pylint: disable=assignment-from-none
             response = self.update_playing_status()
         elif match_idx == 3:
             _LOGGER.debug("Received new playlist list")
+            # pylint: disable=assignment-from-none
             response = self.update_playing_status()
         else:
             response = self._pianobar.before.decode('utf-8')

homeassistant/components/sensor/citybikes.py

@@ -186,19 +186,14 @@ def get_closest_network_id(cls, hass, latitude, longitude):
                 networks = yield from async_citybikes_request(
                     hass, NETWORKS_URI, NETWORKS_RESPONSE_SCHEMA)
                 cls.NETWORKS_LIST = networks[ATTR_NETWORKS_LIST]
-            networks_list = cls.NETWORKS_LIST
-            network = networks_list[0]
-            result = network[ATTR_ID]
-            minimum_dist = location.distance(
-                latitude, longitude,
-                network[ATTR_LOCATION][ATTR_LATITUDE],
-                network[ATTR_LOCATION][ATTR_LONGITUDE])
-            for network in networks_list[1:]:
+            result = None
+            minimum_dist = None
+            for network in cls.NETWORKS_LIST:
                 network_latitude = network[ATTR_LOCATION][ATTR_LATITUDE]
                 network_longitude = network[ATTR_LOCATION][ATTR_LONGITUDE]
                 dist = location.distance(
                     latitude, longitude, network_latitude, network_longitude)
-                if dist < minimum_dist:
+                if minimum_dist is None or dist < minimum_dist:
                     minimum_dist = dist
                     result = network[ATTR_ID]
 

homeassistant/components/sensor/nzbget.py

@@ -173,8 +173,4 @@ def post(self, method, params=None):
     @Throttle(MIN_TIME_BETWEEN_UPDATES)
     def update(self):
         """Update cached response."""
-        try:
-            self.status = self.post('status')['result']
-        except requests.exceptions.ConnectionError:
-            # failed to update status - exception already logged in self.post
-            raise
+        self.status = self.post('status')['result']

homeassistant/components/sensor/pyload.py

@@ -162,8 +162,4 @@ def post(self, method, params=None):
     @Throttle(MIN_TIME_BETWEEN_UPDATES)
     def update(self):
         """Update cached response."""
-        try:
-            self.status = self.post('speed')
-        except requests.exceptions.ConnectionError:
-            # Failed to update status - exception already logged in self.post
-            raise
+        self.status = self.post('speed')

homeassistant/core.py

@@ -49,9 +49,11 @@
 if TYPE_CHECKING:
     from homeassistant.config_entries import ConfigEntries  # noqa
 
+# pylint: disable=invalid-name
 T = TypeVar('T')
 CALLABLE_T = TypeVar('CALLABLE_T', bound=Callable)
 CALLBACK_TYPE = Callable[[], None]
+# pylint: enable=invalid-name
 
 DOMAIN = 'homeassistant'
 

homeassistant/helpers/intent.py

@@ -63,7 +63,8 @@ async def async_handle(hass, platform, intent_type, slots=None,
                         intent_type, err)
         raise InvalidSlotInfo(
             'Received invalid slot info for {}'.format(intent_type)) from err
-    except IntentHandleError:
+    # https://github.com/PyCQA/pylint/issues/2284
+    except IntentHandleError:  # pylint: disable=try-except-raise
         raise
     except Exception as err:
         raise IntentUnexpectedError(

homeassistant/loader.py

@@ -27,7 +27,7 @@
 if TYPE_CHECKING:
     from homeassistant.core import HomeAssistant  # NOQA
 
-CALLABLE_T = TypeVar('CALLABLE_T', bound=Callable)
+CALLABLE_T = TypeVar('CALLABLE_T', bound=Callable)  # noqa pylint: disable=invalid-name
 
 PREPARED = False
 

homeassistant/scripts/check_config.py

@@ -163,13 +163,13 @@ def check(config_dir, secrets=False):
         'secret_cache': None,
     }
 
-    # pylint: disable=unused-variable
+    # pylint: disable=possibly-unused-variable
     def mock_load(filename):
         """Mock hass.util.load_yaml to save config file names."""
         res['yaml_files'][filename] = True
         return MOCKS['load'][1](filename)
 
-    # pylint: disable=unused-variable
+    # pylint: disable=possibly-unused-variable
     def mock_secrets(ldr, node):
         """Mock _get_secrets."""
         try:

homeassistant/scripts/influxdb_import.py

@@ -137,6 +137,7 @@ def run(script_args: List) -> int:
     override_measurement = args.override_measurement
     default_measurement = args.default_measurement
 
+    # pylint: disable=assignment-from-no-return
     query = session.query(func.count(models.Events.event_type)).filter(
         models.Events.event_type == 'state_changed')
 

homeassistant/util/__init__.py

@@ -17,9 +17,11 @@
 
 from .dt import as_local, utcnow
 
+# pylint: disable=invalid-name
 T = TypeVar('T')
 U = TypeVar('U')
 ENUM_T = TypeVar('ENUM_T', bound=enum.Enum)
+# pylint: enable=invalid-name
 
 RE_SANITIZE_FILENAME = re.compile(r'(~|\.\.|/|\\)')
 RE_SANITIZE_PATH = re.compile(r'(~|\.(\.)+)')
@@ -121,6 +123,9 @@ def get_random_string(length: int = 10) -> str:
 class OrderedEnum(enum.Enum):
     """Taken from Python 3.4.0 docs."""
 
+    # https://github.com/PyCQA/pylint/issues/2306
+    # pylint: disable=comparison-with-callable
+
     def __ge__(self: ENUM_T, other: ENUM_T) -> bool:
         """Return the greater than element."""
         if self.__class__ is other.__class__:

homeassistant/util/decorator.py

@@ -1,6 +1,7 @@
 """Decorator utility functions."""
 from typing import Callable, TypeVar
-CALLABLE_T = TypeVar('CALLABLE_T', bound=Callable)
+
+CALLABLE_T = TypeVar('CALLABLE_T', bound=Callable)  # noqa pylint: disable=invalid-name
 
 
 class Registry(dict):

homeassistant/util/dt.py

@@ -98,7 +98,7 @@ def utc_from_timestamp(timestamp: float) -> dt.datetime:
 
 
 def start_of_local_day(dt_or_d:
-                       Union[dt.date, dt.datetime]=None) -> dt.datetime:
+                       Union[dt.date, dt.datetime] = None) -> dt.datetime:
     """Return local datetime object of start of day from date or datetime."""
     if dt_or_d is None:
         date = now().date()  # type: dt.date

homeassistant/util/yaml.py

@@ -24,8 +24,8 @@
 SECRET_YAML = 'secrets.yaml'
 __SECRET_CACHE = {}  # type: Dict[str, JSON_TYPE]
 
-JSON_TYPE = Union[List, Dict, str]
-DICT_T = TypeVar('DICT_T', bound=Dict)
+JSON_TYPE = Union[List, Dict, str]  # pylint: disable=invalid-name
+DICT_T = TypeVar('DICT_T', bound=Dict)  # pylint: disable=invalid-name
 
 
 class NodeListClass(list):

pylintrc

@@ -11,6 +11,8 @@
 # too-few-* - same as too-many-*
 # abstract-method - with intro of async there are always methods missing
 # inconsistent-return-statements - doesn't handle raise
+# useless-return - https://github.com/PyCQA/pylint/issues/2300
+# not-an-iterable - https://github.com/PyCQA/pylint/issues/2311
 disable=
   abstract-class-little-used,
   abstract-method,
@@ -19,6 +21,7 @@ disable=
   global-statement,
   inconsistent-return-statements,
   locally-disabled,
+  not-an-iterable,
   not-context-manager,
   redefined-variable-type,
   too-few-public-methods,
@@ -30,7 +33,8 @@ disable=
   too-many-public-methods,
   too-many-return-statements,
   too-many-statements,
-  unused-argument
+  unused-argument,
+  useless-return
 
 [REPORTS]
 reports=no

requirements_test.txt

@@ -8,7 +8,7 @@ flake8==3.5
 mock-open==1.3.1
 mypy==0.620
 pydocstyle==1.1.1
-pylint==1.9.2
+pylint==2.0.1
 pytest-aiohttp==0.3.0
 pytest-cov==2.5.1
 pytest-sugar==0.9.1

requirements_test_all.txt

@@ -9,7 +9,7 @@ flake8==3.5
 mock-open==1.3.1
 mypy==0.620
 pydocstyle==1.1.1
-pylint==1.9.2
+pylint==2.0.1
 pytest-aiohttp==0.3.0
 pytest-cov==2.5.1
 pytest-sugar==0.9.1