chore(pylint): Bump Pylint to 2.9.6

.pylintrc

@@ -90,6 +90,7 @@ disable=
     super-with-arguments,
     too-few-public-methods,
     too-many-locals,
+    duplicate-code,
 
 [REPORTS]
 

requirements/testing.txt

@@ -11,7 +11,7 @@
     # via -r requirements/base.in
 appnope==0.1.2
     # via ipython
-astroid==2.5
+astroid==2.6.6
     # via pylint
 backcall==0.2.0
     # via ipython
@@ -71,7 +71,7 @@ pyhive[hive,presto]==0.6.4
     # via
     #   -r requirements/development.in
     #   -r requirements/testing.in
-pylint==2.6.0
+pylint==2.9.6
     # via -r requirements/testing.in
 pytest==6.2.4
     # via

superset/cli.py

@@ -221,7 +221,7 @@ def import_directory(directory: str, overwrite: bool, force: bool) -> None:
     help="Create the DB if it doesn't exist",
 )
 def set_database_uri(database_name: str, uri: str, skip_create: bool) -> None:
-    """Updates a database connection URI """
+    """Updates a database connection URI"""
     utils.get_or_create_db(database_name, uri, not skip_create)
 
 
@@ -341,7 +341,8 @@ def import_dashboards(path: str, username: Optional[str]) -> None:
             with ZipFile(path) as bundle:
                 contents = get_contents_from_bundle(bundle)
         else:
-            contents = {path: open(path).read()}
+            with open(path) as file:
+                contents = {path: file.read()}
         try:
             ImportDashboardsCommand(contents, overwrite=True).run()
         except Exception:  # pylint: disable=broad-except
@@ -366,7 +367,8 @@ def import_datasources(path: str) -> None:
             with ZipFile(path) as bundle:
                 contents = get_contents_from_bundle(bundle)
         else:
-            contents = {path: open(path).read()}
+            with open(path) as file:
+                contents = {path: file.read()}
         try:
             ImportDatasetsCommand(contents, overwrite=True).run()
         except Exception:  # pylint: disable=broad-except
@@ -491,7 +493,10 @@ def import_dashboards(path: str, recursive: bool, username: str) -> None:
             files.extend(path_object.rglob("*.json"))
         if username is not None:
             g.user = security_manager.find_user(username=username)
-        contents = {path.name: open(path).read() for path in files}
+        contents = {}
+        for path_ in files:
+            with open(path_) as file:
+                contents[path_.name] = file.read()
         try:
             ImportDashboardsCommand(contents).run()
         except Exception:  # pylint: disable=broad-except
@@ -539,7 +544,10 @@ def import_datasources(path: str, sync: str, recursive: bool) -> None:
         elif path_object.exists() and recursive:
             files.extend(path_object.rglob("*.yaml"))
             files.extend(path_object.rglob("*.yml"))
-        contents = {path.name: open(path).read() for path in files}
+        contents = {}
+        for path_ in files:
+            with open(path_) as file:
+                contents[path_.name] = file.read()
         try:
             ImportDatasetsCommand(contents, sync_columns, sync_metrics).run()
         except Exception:  # pylint: disable=broad-except
@@ -632,7 +640,7 @@ def flower(port: int, address: str) -> None:
     print(Fore.BLUE + "-=" * 40)
     print(Fore.YELLOW + cmd)
     print(Fore.BLUE + "-=" * 40)
-    Popen(cmd, shell=True).wait()
+    Popen(cmd, shell=True).wait()  # pylint: disable=consider-using-with
 
 
 @superset.command()

superset/config.py

@@ -20,7 +20,7 @@
 in your PYTHONPATH as there is a ``from superset_config import *``
 at the end of this file.
 """
-import imp
+import imp  # pylint: disable=deprecated-module
 import importlib.util
 import json
 import logging

superset/connectors/connector_registry.py

@@ -31,7 +31,7 @@
 
 
 class ConnectorRegistry:
-    """ Central Registry for all available datasource engines"""
+    """Central Registry for all available datasource engines"""
 
     sources: Dict[str, Type["BaseDatasource"]] = {}
 
@@ -68,8 +68,7 @@ def get_datasource(
     @classmethod
     def get_all_datasources(cls, session: Session) -> List["BaseDatasource"]:
         datasources: List["BaseDatasource"] = []
-        for source_type in ConnectorRegistry.sources:
-            source_class = ConnectorRegistry.sources[source_type]
+        for source_class in ConnectorRegistry.sources.values():
             qry = session.query(source_class)
             qry = source_class.default_query(qry)
             datasources.extend(qry.all())

superset/connectors/sqla/models.py

@@ -404,9 +404,7 @@ class SqlMetric(Model, BaseMetric):
         "extra",
         "warning_text",
     ]
-    update_from_object_fields = list(
-        [s for s in export_fields if s not in ("table_id",)]
-    )
+    update_from_object_fields = list(s for s in export_fields if s != "table_id")
     export_parent = "table"
 
     def get_sqla_col(self, label: Optional[str] = None) -> Column:
@@ -1151,7 +1149,7 @@ def get_sqla_query(  # pylint: disable=too-many-arguments,too-many-locals,too-ma
         having_clause_and = []
 
         for flt in filter:  # type: ignore
-            if not all([flt.get(s) for s in ["col", "op"]]):
+            if not all(flt.get(s) for s in ["col", "op"]):
                 continue
             col = flt["col"]
             val = flt.get("val")

superset/dashboards/api.py

@@ -237,7 +237,7 @@ def __repr__(self) -> str:
     @statsd_metrics
     @event_logger.log_this_with_context(
         action=lambda self, *args, **kwargs: f"{self.__class__.__name__}.get",
-        log_to_statsd=False,
+        log_to_statsd=False,  # pylint: disable=arguments-renamed
     )
     def get(self, id_or_slug: str) -> Response:
         """Gets a dashboard

superset/datasets/commands/importers/v1/utils.py

@@ -135,8 +135,7 @@ def import_dataset(
 def load_data(
     data_uri: str, dataset: SqlaTable, example_database: Database, session: Session
 ) -> None:
-
-    data = request.urlopen(data_uri)
+    data = request.urlopen(data_uri)  # pylint: disable=consider-using-with
     if data_uri.endswith(".gz"):
         data = gzip.open(data)
     df = pd.read_csv(data, encoding="utf-8")

superset/examples/flights.py

@@ -38,14 +38,11 @@ def load_flights(only_metadata: bool = False, force: bool = False) -> None:
         airports = pd.read_csv(airports_bytes, encoding="latin-1")
         airports = airports.set_index("IATA_CODE")
 
-        pdf["ds"] = (
+        pdf["ds"] = (  # pylint: disable=unsupported-assignment-operation
             pdf.YEAR.map(str) + "-0" + pdf.MONTH.map(str) + "-0" + pdf.DAY.map(str)
         )
         pdf.ds = pd.to_datetime(pdf.ds)
-        del pdf["YEAR"]
-        del pdf["MONTH"]
-        del pdf["DAY"]
-
+        pdf.drop(columns=["DAY", "MONTH", "YEAR"])
         pdf = pdf.join(airports, on="ORIGIN_AIRPORT", rsuffix="_ORIG")
         pdf = pdf.join(airports, on="DESTINATION_AIRPORT", rsuffix="_DEST")
         pdf.to_sql(

superset/examples/helpers.py

@@ -69,7 +69,9 @@ def get_slice_json(defaults: Dict[Any, Any], **kwargs: Any) -> str:
 def get_example_data(
     filepath: str, is_gzip: bool = True, make_bytes: bool = False
 ) -> BytesIO:
-    content = request.urlopen(f"{BASE_URL}{filepath}?raw=true").read()
+    content = request.urlopen(  # pylint: disable=consider-using-with
+        f"{BASE_URL}{filepath}?raw=true"
+    ).read()
     if is_gzip:
         content = zlib.decompress(content, zlib.MAX_WBITS | 16)
     if make_bytes:

superset/jinja_context.py

@@ -527,10 +527,10 @@ class HiveTemplateProcessor(PrestoTemplateProcessor):
 @memoized
 def get_template_processors() -> Dict[str, Any]:
     processors = current_app.config.get("CUSTOM_TEMPLATE_PROCESSORS", {})
-    for engine in DEFAULT_PROCESSORS:
+    for engine, processor in DEFAULT_PROCESSORS.items():
         # do not overwrite engine-specific CUSTOM_TEMPLATE_PROCESSORS
         if not engine in processors:
-            processors[engine] = DEFAULT_PROCESSORS[engine]
+            processors[engine] = processor
 
     return processors
 

superset/models/core.py

@@ -506,7 +506,7 @@ def get_all_view_names_in_database(
         return self.db_engine_spec.get_all_datasource_names(self, "view")
 
     @cache_util.memoized_func(
-        key=lambda self, schema, *args, **kwargs: f"db:{self.id}:schema:{schema}:table_list",  # type: ignore
+        key=lambda self, schema, *args, **kwargs: f"db:{self.id}:schema:{schema}:table_list",
         cache=cache_manager.data_cache,
     )
     def get_all_table_names_in_schema(
@@ -536,9 +536,10 @@ def get_all_table_names_in_schema(
             ]
         except Exception as ex:  # pylint: disable=broad-except
             logger.warning(ex)
+            return []
 
     @cache_util.memoized_func(
-        key=lambda self, schema, *args, **kwargs: f"db:{self.id}:schema:{schema}:view_list",  # type: ignore
+        key=lambda self, schema, *args, **kwargs: f"db:{self.id}:schema:{schema}:view_list",
         cache=cache_manager.data_cache,
     )
     def get_all_view_names_in_schema(
@@ -566,6 +567,7 @@ def get_all_view_names_in_schema(
             return [utils.DatasourceName(table=view, schema=schema) for view in views]
         except Exception as ex:  # pylint: disable=broad-except
             logger.warning(ex)
+            return []
 
     @cache_util.memoized_func(
         key=lambda self, *args, **kwargs: f"db:{self.id}:schema_list",

superset/models/schedules.py

@@ -31,17 +31,20 @@
 
 
 class ScheduleType(str, enum.Enum):
+    # pylint: disable=invalid-name
     slice = "slice"
     dashboard = "dashboard"
     alert = "alert"
 
 
 class EmailDeliveryType(str, enum.Enum):
+    # pylint: disable=invalid-name
     attachment = "Attachment"
     inline = "Inline"
 
 
 class SliceEmailReportFormat(str, enum.Enum):
+    # pylint: disable=invalid-name
     visualization = "Visualization"
     data = "Raw data"
 

superset/models/tags.py

@@ -46,6 +46,7 @@ class TagTypes(enum.Enum):
     can find all their objects by querying for the tag `owner:alice`.
     """
 
+    # pylint: disable=invalid-name
     # explicit tags, added manually by the owner
     custom = 1
 
@@ -59,6 +60,7 @@ class ObjectTypes(enum.Enum):
 
     """Object types."""
 
+    # pylint: disable=invalid-name
     query = 1
     chart = 2
     dashboard = 3

superset/tasks/alerts/validator.py

@@ -28,8 +28,8 @@
 
 
 class AlertValidatorType(str, enum.Enum):
-    not_null = "not null"
-    operator = "operator"
+    NOT_NULL = "not null"
+    OPERATOR = "operator"
 
     @classmethod
     def valid_type(cls, validator_type: str) -> bool:
@@ -44,7 +44,7 @@ def check_validator(validator_type: str, config: str) -> None:
 
     config_dict = json.loads(config)
 
-    if validator_type == AlertValidatorType.operator.value:
+    if validator_type == AlertValidatorType.OPERATOR.value:
 
         if not (config_dict.get("op") and config_dict.get("threshold") is not None):
             raise SupersetException(
@@ -102,8 +102,8 @@ def get_validator_function(
     """Returns a validation function based on validator_type"""
 
     alert_validators = {
-        AlertValidatorType.not_null.value: not_null_validator,
-        AlertValidatorType.operator.value: operator_validator,
+        AlertValidatorType.NOT_NULL.value: not_null_validator,
+        AlertValidatorType.OPERATOR.value: operator_validator,
     }
     if alert_validators.get(validator_type.lower()):
         return alert_validators[validator_type.lower()]

superset/tasks/cache.py

@@ -288,7 +288,7 @@ def cache_warmup(
     for url in strategy.get_urls():
         try:
             logger.info("Fetching %s", url)
-            request.urlopen(url)
+            request.urlopen(url)  # pylint: disable=consider-using-with
             results["success"].append(url)
         except URLError:
             logger.exception("Error warming up cache!")

superset/tasks/schedules.py

@@ -827,7 +827,7 @@ def get_scheduler_action(report_type: str) -> Optional[Callable[..., Any]]:
 
 @celery_app.task(name="email_reports.schedule_hourly")
 def schedule_hourly() -> None:
-    """ Celery beat job meant to be invoked hourly """
+    """Celery beat job meant to be invoked hourly"""
     if not config["ENABLE_SCHEDULED_EMAIL_REPORTS"]:
         logger.info("Scheduled email reports not enabled in config")
         return
@@ -845,7 +845,7 @@ def schedule_hourly() -> None:
 
 @celery_app.task(name="alerts.schedule_check")
 def schedule_alerts() -> None:
-    """ Celery beat job meant to be invoked every minute to check alerts """
+    """Celery beat job meant to be invoked every minute to check alerts"""
     resolution = 0
     now = datetime.utcnow()
     start_at = now - timedelta(

superset/utils/core.py

@@ -1321,8 +1321,8 @@ def get_first_metric_name(metrics: Sequence[Metric]) -> Optional[str]:
 def ensure_path_exists(path: str) -> None:
     try:
         os.makedirs(path)
-    except OSError as exc:
-        if not (os.path.isdir(path) and exc.errno == errno.EEXIST):
+    except OSError as ex:
+        if not (os.path.isdir(path) and ex.errno == errno.EEXIST):
             raise
 
 
@@ -1440,9 +1440,8 @@ def create_ssl_cert_file(certificate: str) -> str:
     if not os.path.exists(path):
         # Validate certificate prior to persisting to temporary directory
         parse_ssl_cert(certificate)
-        cert_file = open(path, "w")
-        cert_file.write(certificate)
-        cert_file.close()
+        with open(path, "w") as cert_file:
+            cert_file.write(certificate)
     return path
 
 

superset/utils/memoized.py

@@ -39,7 +39,7 @@ def __init__(
     def __call__(self, *args: Any, **kwargs: Any) -> Any:
         key = [args, frozenset(kwargs.items())]
         if self.is_method:
-            key.append(tuple([getattr(args[0], v, None) for v in self.watch]))
+            key.append(tuple(getattr(args[0], v, None) for v in self.watch))
         key = tuple(key)  # type: ignore
         try:
             if key in self.cache:

superset/utils/pandas_postprocessing.py

@@ -593,7 +593,7 @@ def geohash_encode(
         )
         return _append_columns(df, encode_df, {"geohash": geohash})
     except ValueError:
-        QueryObjectValidationError(_("Invalid longitude/latitude"))
+        raise QueryObjectValidationError(_("Invalid longitude/latitude"))
 
 
 def geodetic_parse(

superset/views/database/views.py

@@ -291,7 +291,7 @@ def form_post(self, form: ExcelToDatabaseForm) -> Response:
             flash(message, "danger")
             return redirect("/exceltodatabaseview/form")
 
-        uploaded_tmp_file_path = tempfile.NamedTemporaryFile(
+        uploaded_tmp_file_path = tempfile.NamedTemporaryFile(  # pylint: disable=consider-using-with
             dir=app.config["UPLOAD_FOLDER"],
             suffix=os.path.splitext(form.excel_file.data.filename)[1].lower(),
             delete=False,

superset/views/utils.py

@@ -352,7 +352,7 @@ def get_dashboard_extra_filters(
         dashboard is None
         or not dashboard.json_metadata
         or not dashboard.slices
-        or not any([slc for slc in dashboard.slices if slc.id == slice_id])
+        or not any(slc for slc in dashboard.slices if slc.id == slice_id)
     ):
         return []
 
@@ -455,7 +455,7 @@ def is_slice_in_container(
 
 
 def is_owner(obj: Union[Dashboard, Slice], user: User) -> bool:
-    """ Check if user is owner of the slice """
+    """Check if user is owner of the slice"""
     return obj and user in obj.owners
 
 

tests/integration_tests/alerts_tests.py

@@ -76,7 +76,7 @@ def setup_database():
 def create_alert(
     db_session: Session,
     sql: str,
-    validator_type: AlertValidatorType = AlertValidatorType.operator,
+    validator_type: AlertValidatorType = AlertValidatorType.OPERATOR,
     validator_config: str = "",
 ) -> Alert:
     db_session.commit()