Python sources refactoring (#592)

airbyte-integrations/template/python-source/template_python_source/source.py

@@ -0,0 +1,36 @@
+import pkgutil
+import time
+from typing import Generator
+
+from airbyte_protocol import AirbyteCatalog
+from airbyte_protocol import AirbyteCheckResponse
+from airbyte_protocol import AirbyteMessage
+from airbyte_protocol import AirbyteRecordMessage
+from airbyte_protocol import AirbyteSpec
+from airbyte_protocol import AirbyteStateMessage
+from airbyte_protocol import Source
+
+
+class TemplatePythonSource(Source):
+    def __init__(self):
+        pass
+
+    def check(self, logger, config_container) -> AirbyteCheckResponse:
+        logger.info(f'Checking configuration ({config_container.rendered_config_path})...')
+        return AirbyteCheckResponse(True, {})
+
+    def discover(self, logger, config_container) -> AirbyteCatalog:
+        logger.info(f'Discovering ({config_container.rendered_config_path})...')
+        return AirbyteCatalog.from_json(pkgutil.get_data(__name__, 'catalog.json'))
+
+    def read(self, logger, config_container, catalog_path, state=None) -> Generator[AirbyteMessage, None, None]:
+        logger.info(f'Reading ({config_container.rendered_config_path}, {catalog_path}, {state})...')
+
+        message = AirbyteRecordMessage(
+            stream='love_airbyte',
+            data={'love': True},
+            emitted_at=int(time.time() * 1000))
+        yield AirbyteMessage(type='RECORD', record=message)
+
+        state = AirbyteStateMessage(data={'love_cursor': 'next_version'})
+        yield AirbyteMessage(type='STATE', state=state)