Fix bugs in metadata and engine params (#24)

setup.py

@@ -2,14 +2,12 @@
 
 from setuptools import find_packages, setup
 
-from sqltask import __version__
-
 with io.open("README.md", "r", encoding="utf-8") as f:
     long_description = f.read()
 
 setup(
-    name='sqltask',
-    version=__version__,
+    name="sqltask",
+    version="0.6.4.2",
     description="ETL tool based on SqlAlchemy for building robust ETL pipelies with "
                 "high emphasis on high data quality",
     long_description=long_description,

sqltask/__init__.py

@@ -5,8 +5,6 @@
 from sqltask.base.row_source import BaseRowSource
 from sqltask.base.table import BaseOutputRow, BaseTableContext
 
-__version__ = '0.6.3'
-
 # initialize logging
 logger = logging.getLogger(__name__)
 

sqltask/base/engine.py

@@ -16,11 +16,12 @@ def __init__(self,
                  metadata_params: Optional[Dict[str, Any]] = None,
                  ):
         self.name = name
-        self.engine = create_engine(url, **engine_params)
+        self.engine_params = engine_params or {}
+        self.metadata_params = metadata_params or {}
+        self.engine = create_engine(url, **self.engine_params)
         self.engine_spec = get_engine_spec(self.engine.name)
         url_params = self.engine_spec.get_url_params(self.engine.url)
         self.database, self.schema = url_params
-        self.metadata_params = metadata_params or {}
         self.metadata = MetaData(
             bind=self.engine,
             schema=url_params.schema,
@@ -49,4 +50,4 @@ def create_new(self,
         """
         url = make_url(str(self.engine.url))
         self.engine_spec.modify_url(url, database=database, schema=schema)
-        return EngineContext(self.name, str(url), **self.metadata_kwargs)
+        return EngineContext(self.name, str(url), **self.metadata_params)