Remove unused imports

metadata-ingestion/.github/workflows/python-package.yml

@@ -21,12 +21,12 @@ jobs:
         python -m pip install --upgrade pip
         pip install -e .
         pip install -r test_requirements.txt
+    - name: Check formatting with black
+      run: |
+        black --exclude 'gometa/metadata' -S -t py36 -l 120 src tests
     - name: Lint with flake8
       run: |
-        # stop the build if there are Python syntax errors or undefined names
-        #flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        flake8 src tests --count --statistics || true
     - name: Check with mypy
       run: |
         mypy -p gometa || true

metadata-ingestion/setup.cfg

@@ -1,6 +1,14 @@
 [flake8]
-max-line-length = 130
+max-line-length = 120
 max-complexity = 15
+ignore = D203
+exclude =
+    .git,
+    src/gometa/metadata,
+    __pycache__
+per-file-ignores =
+    # imported but unused
+    __init__.py: F401
 
 [mypy]
 mypy_path = src

metadata-ingestion/src/gometa/configuration/common.py

@@ -1,7 +1,6 @@
 from abc import ABC, abstractmethod
-from typing import TypeVar, Type, List, IO
+from typing import List, IO
 from pydantic import BaseModel, ValidationError
-from pathlib import Path
 from contextlib import contextmanager
 import re
 

metadata-ingestion/src/gometa/configuration/kafka.py

@@ -1,5 +1,4 @@
-from typing import Optional
-from pydantic import BaseModel, Field, ValidationError, validator
+from pydantic import BaseModel, validator
 
 
 class _KafkaConnectionConfig(BaseModel):

metadata-ingestion/src/gometa/configuration/yaml.py

@@ -1,7 +1,7 @@
 from typing import IO
 import yaml
 
-from .common import ConfigModel, ConfigurationMechanism
+from gometa.configuration import ConfigurationMechanism
 
 
 class YamlConfigurationMechanism(ConfigurationMechanism):

metadata-ingestion/src/gometa/entrypoints.py

@@ -6,7 +6,7 @@ import click
 from gometa.configuration.common import ConfigurationMechanism, ConfigurationError, nicely_formatted_validation_errors
 from gometa.configuration.yaml import YamlConfigurationMechanism
 from gometa.configuration.toml import TomlConfigurationMechanism
-from gometa.ingestion.run.pipeline import Pipeline, PipelineConfig
+from gometa.ingestion.run.pipeline import Pipeline
 
 logger = logging.getLogger(__name__)
 

metadata-ingestion/src/gometa/ingestion/api/closeable.py

@@ -1,5 +1,3 @@
-from abc import abstractmethod, ABCMeta
-
 
 class Closeable:
     def close(self):

metadata-ingestion/src/gometa/ingestion/api/common.py

@@ -1,5 +1,5 @@
 from dataclasses import dataclass
-from typing import TypeVar, Generic, Optional
+from typing import TypeVar, Generic
 from abc import abstractmethod, ABCMeta
 
 T = TypeVar('T')

metadata-ingestion/src/gometa/ingestion/api/report.py

@@ -1,4 +1,3 @@
-from abc import abstractmethod, ABCMeta
 from dataclasses import dataclass
 import json
 import pprint

metadata-ingestion/src/gometa/ingestion/extractor/generic.py

@@ -1,5 +1,5 @@
 from typing import Iterable
-from gometa.ingestion.api.source import Extractor, WorkUnit
+from gometa.ingestion.api.source import Extractor
 from gometa.ingestion.api import RecordEnvelope
 from gometa.ingestion.api.common import PipelineContext
 from gometa.metadata.com.linkedin.pegasus2avro.mxe import MetadataChangeEvent

metadata-ingestion/src/gometa/ingestion/extractor/schema_util.py

@@ -1,10 +1,8 @@
 import logging
-from typing import List, Dict, Any
+from typing import List, Any
 import avro.schema
 
 from gometa.metadata.com.linkedin.pegasus2avro.schema import (
-    SchemaMetadata,
-    KafkaSchema,
     SchemaField,
     SchemaFieldDataType,
     BooleanTypeClass,
@@ -14,7 +12,6 @@ from gometa.metadata.com.linkedin.pegasus2avro.schema import (
     NumberTypeClass,
     EnumTypeClass,
     NullTypeClass,
-    MapTypeClass,
     ArrayTypeClass,
     UnionTypeClass,
     RecordTypeClass,

metadata-ingestion/src/gometa/ingestion/run/pipeline.py

@@ -1,14 +1,9 @@
-from typing import Dict
-from pydantic import BaseModel
-from dataclasses import dataclass, field
-import pprint
 from gometa.configuration.common import DynamicTypedConfig, ConfigModel
 from gometa.ingestion.api.source import Source, Extractor
 from gometa.ingestion.source import source_class_mapping
 from gometa.ingestion.api.common import PipelineContext
-from gometa.ingestion.api.sink import Sink, NoopWriteCallback, WriteCallback
+from gometa.ingestion.api.sink import Sink, WriteCallback
 from gometa.ingestion.sink import sink_class_mapping
-from typing import Optional
 import importlib
 import time
 import logging
@@ -77,7 +72,7 @@ class Pipeline:
 
     def run(self):
         callback = LoggingCallback()
-        extractor = self.extractor_class()
+        extractor: Extractor = self.extractor_class()
         for wu in self.source.get_workunits():
             # TODO: change extractor interface
             extractor.configure({}, self.ctx)

metadata-ingestion/src/gometa/ingestion/sink/datahub_kafka.py

@@ -1,7 +1,5 @@
-from dataclasses import dataclass, field
-import json
-from typing import Optional, TypeVar, Type
-from pydantic import BaseModel, Field, ValidationError, validator
+from dataclasses import dataclass
+from pydantic import BaseModel
 from gometa.ingestion.api.sink import Sink, WriteCallback, SinkReport
 from gometa.ingestion.api.common import RecordEnvelope, WorkUnit, PipelineContext
 from gometa.configuration.kafka import KafkaProducerConnectionConfig

metadata-ingestion/src/gometa/ingestion/sink/datahub_rest.py

@@ -1,14 +1,10 @@
-from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
-from typing import Optional, TypeVar, Type, Dict
-from pydantic import BaseModel, Field, ValidationError, validator
-from enum import Enum
-from pathlib import Path
+from typing import Type, Dict
+from pydantic import BaseModel
 import requests
 from requests.exceptions import HTTPError
 from gometa.ingestion.api.sink import Sink, WriteCallback, SinkReport
 from gometa.ingestion.api.common import RecordEnvelope, WorkUnit
-import json
 from gometa.metadata.com.linkedin.pegasus2avro.mxe import MetadataChangeEvent
 from gometa.metadata import (
     ChartSnapshotClass,
@@ -18,7 +14,7 @@ from gometa.metadata import (
     DatasetSnapshotClass,
     DataProcessSnapshotClass,
     MLModelSnapshotClass,
-    MLFeatureSnapshotClass,
+    # MLFeatureSnapshotClass,
 )
 from collections import OrderedDict
 

metadata-ingestion/src/gometa/ingestion/sink/file.py

@@ -1,7 +1,6 @@
 from gometa.ingestion.api.sink import Sink, WriteCallback, SinkReport
-from gometa.ingestion.api.common import RecordEnvelope, PipelineContext, WorkUnit
+from gometa.ingestion.api.common import RecordEnvelope, PipelineContext
 from pydantic import BaseModel
-import os
 import pathlib
 import logging
 import json

metadata-ingestion/src/gometa/ingestion/source/kafka.py

@@ -1,14 +1,12 @@
 import logging
 from gometa.configuration import ConfigModel
 from gometa.configuration.kafka import KafkaConsumerConnectionConfig
-from gometa.ingestion.api.source import Source, Extractor, SourceReport
-from gometa.ingestion.api.source import WorkUnit
-from typing import Optional, Iterable, List, Dict, Any
+from gometa.ingestion.api.source import Source, SourceReport
+from typing import Iterable, List, Dict, Any
 from dataclasses import dataclass, field
 import confluent_kafka
 from confluent_kafka.schema_registry.schema_registry_client import SchemaRegistryClient
 import re
-from gometa.ingestion.api.closeable import Closeable
 from gometa.ingestion.source.metadata_common import MetadataWorkUnit
 
 import time

metadata-ingestion/src/gometa/ingestion/source/mce_file.py

@@ -1,7 +1,7 @@
 import json
 from dataclasses import dataclass, field
 from pydantic import BaseModel
-from typing import Optional, Iterable
+from typing import Iterable
 from gometa.ingestion.api.source import Source, SourceReport
 from gometa.ingestion.source.metadata_common import MetadataWorkUnit
 from gometa.metadata.com.linkedin.pegasus2avro.mxe import MetadataChangeEvent

metadata-ingestion/src/gometa/ingestion/source/sql_common.py

@@ -3,7 +3,7 @@ from sqlalchemy import types
 from sqlalchemy.engine import reflection
 from gometa.metadata.com.linkedin.pegasus2avro.mxe import MetadataChangeEvent
 from gometa.metadata.com.linkedin.pegasus2avro.metadata.snapshot import DatasetSnapshot
-from gometa.metadata.com.linkedin.pegasus2avro.schema import SchemaMetadata, MySqlDDL
+from gometa.metadata.com.linkedin.pegasus2avro.schema import SchemaMetadata, MySqlDDL, SchemaField, SchemaFieldDataType
 from gometa.metadata.com.linkedin.pegasus2avro.common import AuditStamp
 
 from gometa.ingestion.api.source import WorkUnit, Source, SourceReport
@@ -15,21 +15,13 @@ from typing import Optional, List, Any, Dict
 from dataclasses import dataclass, field
 
 from gometa.metadata.com.linkedin.pegasus2avro.schema import (
-    SchemaMetadata,
-    KafkaSchema,
-    SchemaField,
-    SchemaFieldDataType,
     BooleanTypeClass,
-    FixedTypeClass,
     StringTypeClass,
     BytesTypeClass,
     NumberTypeClass,
     EnumTypeClass,
     NullTypeClass,
-    MapTypeClass,
     ArrayTypeClass,
-    UnionTypeClass,
-    RecordTypeClass,
 )
 
 logger = logging.getLogger(__name__)

metadata-ingestion/tests/integration/mysql/test_mysql.py

@@ -1,6 +1,4 @@
 import os
-import pytest
-import subprocess
 
 import mce_helpers
 

metadata-ingestion/tests/integration/sql_server/test_sql_server.py

@@ -1,11 +1,7 @@
 import os
-import pytest
 import subprocess
 
 
-import time
-
-
 def test_ingest(sql_server, pytestconfig):
     docker = "docker"
     command = f"{docker} exec testsqlserver /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P 'test!Password' -d master -i /setup/setup.sql"

metadata-ingestion/tests/unit/serde/test_serde.py

@@ -1,8 +1,3 @@
-import os
-import pytest
-import subprocess
-import shutil
-
 from gometa.ingestion.run.pipeline import Pipeline
 
 import mce_helpers
@@ -19,8 +14,8 @@ def test_serde_large(pytestconfig, tmp_path):
 
     pipeline = Pipeline.create(
         {
-            'source': {'type': 'file', 'file': {'filename': str(golden_file),},},
-            'sink': {'type': 'file', 'file': {'filename': str(output_file),},},
+            'source': {'type': 'file', 'file': {'filename': str(golden_file)}},
+            'sink': {'type': 'file', 'file': {'filename': str(output_file)}},
         }
     )
     pipeline.run()

metadata-ingestion/tests/unit/test_allow_deny.py

@@ -3,14 +3,19 @@ from gometa.configuration.common import AllowDenyPattern
 
 def test_allow_all():
     pattern = AllowDenyPattern.allow_all()
-    assert pattern.allowed("foo.table") == True
+    assert pattern.allowed("foo.table")
 
 
 def test_deny_all():
     pattern = AllowDenyPattern(allow=[], deny=[".*"])
-    assert pattern.allowed("foo.table") == False
+    assert not pattern.allowed("foo.table")
 
 
 def test_single_table():
     pattern = AllowDenyPattern(allow=["foo.mytable"])
-    assert pattern.allowed("foo.mytable") == True
+    assert pattern.allowed("foo.mytable")
+
+
+def test_default_deny():
+    pattern = AllowDenyPattern(allow=["foo.mytable"])
+    assert not pattern.allowed("foo.bar")

metadata-ingestion/tests/unit/test_kafka_sink.py

@@ -3,7 +3,7 @@ from gometa.ingestion.api.sink import WriteCallback, SinkReport
 
 import unittest
 from unittest.mock import patch, MagicMock
-from gometa.ingestion.api.common import RecordEnvelope, PipelineContext
+from gometa.ingestion.api.common import RecordEnvelope
 
 
 class KafkaSinkTest(unittest.TestCase):

metadata-ingestion/tests/unit/test_pipeline.py

@@ -9,7 +9,7 @@ class PipelineTest(unittest.TestCase):
     @patch("gometa.ingestion.sink.console.ConsoleSink.close")
     def test_configure(self, mock_sink, mock_source):
         pipeline = Pipeline.create(
-            {"source": {"type": "kafka", "kafka": {"bootstrap": "localhost:9092"},}, "sink": {"type": "console"},}
+            {"source": {"type": "kafka", "kafka": {"bootstrap": "localhost:9092"}}, "sink": {"type": "console"}}
         )
         pipeline.run()
         mock_source.assert_called_once()