Rename database to metastore (#7)

* Rename database to metadata

Signed-off-by: kerthcet <kerthcet@gmail.com>

* Rename database to metastore

Signed-off-by: kerthcet <kerthcet@gmail.com>

---------

Signed-off-by: kerthcet <kerthcet@gmail.com>

Author: kerthcet

alphatrion/experiment/custom_exp.py

@@ -1,4 +1,4 @@
-from alphatrion.database.sql_models import ExperimentStatus
+from alphatrion.metadata.sql_models import ExperimentStatus
 from alphatrion.experiment.base import Experiment
 from alphatrion.runtime.runtime import Runtime
 

alphatrion/database/__init__.py alphatrion/metadata/__init__.pyalphatrion/database/__init__.py renamed to alphatrion/metadata/__init__.py

@@ -1,7 +1,7 @@
 from abc import ABC
 
-class Database(ABC):
-    """Base class for all databases."""
+class MetaStore(ABC):
+    """Base class for all metadata storage backends."""
     def __init__(self):
         pass
 

alphatrion/database/base.py alphatrion/metadata/base.pyalphatrion/database/base.py renamed to alphatrion/metadata/base.py

@@ -1,12 +1,12 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 
-from alphatrion.database.base import Database
-from alphatrion.database.sql_models import Base, Experiment
+from alphatrion.metadata.sql_models import Base, Experiment
+from alphatrion.metadata.base import MetaStore
 
 
-# SQL-like database implementation, it could be SQLite, PostgreSQL, MySQL, etc.
-class SQLDatabase(Database):
+# SQL-like metadata implementation, it could be SQLite, PostgreSQL, MySQL, etc.
+class SQLStore(MetaStore):
     def __init__(self, db_url: str, init_tables: bool = False):
         super().__init__()
 

alphatrion/database/sql.py alphatrion/metadata/sql.pyalphatrion/database/sql.py renamed to alphatrion/metadata/sql.py

@@ -1,11 +1,11 @@
 import os
 
 from alphatrion import consts
-from alphatrion.database.sql import SQLDatabase
+from alphatrion.metadata.sql import SQLStore
 
 
 class Runtime:
     def __init__(self, project_id: str):
         self._project_id = project_id
         # TODO: initialize the metadata database based on the URL.
-        self._metadb = SQLDatabase(os.getenv(consts.METADATA_DB_URL), init_tables=True)
+        self._metadb = SQLStore(os.getenv(consts.METADATA_DB_URL), init_tables=True)

alphatrion/database/sql_models.py alphatrion/metadata/sql_models.pyalphatrion/database/sql_models.py renamed to alphatrion/metadata/sql_models.py

@@ -2,7 +2,7 @@
 
 import pytest
 
-from alphatrion.database.sql_models import ExperimentStatus
+from alphatrion.metadata.sql_models import ExperimentStatus
 from alphatrion import consts
 from alphatrion.experiment.custom_exp import CustomExperiment
 from alphatrion.runtime.runtime import Runtime

alphatrion/runtime/runtime.py

@@ -1,9 +1,9 @@
 import pytest
 
-from alphatrion.database.base import Database
+from alphatrion.metadata.base import MetaStore
 
-def test_database_abstract_methods():
-    db = Database()
+def test_metadata_abstract_methods():
+    db = MetaStore()
 
     with pytest.raises(NotImplementedError):
         db.create_exp("test", "test", "test", {})

tests/experiment/test_custom_exp.py

@@ -1,11 +1,11 @@
 import pytest
-from alphatrion.database.sql import SQLDatabase
-from alphatrion.database.sql_models import ExperimentStatus
+from alphatrion.metadata.sql import SQLStore
+from alphatrion.metadata.sql_models import ExperimentStatus
 
 
 @pytest.fixture
 def db():
-    db = SQLDatabase("sqlite:///:memory:", init_tables=True)
+    db = SQLStore("sqlite:///:memory:", init_tables=True)
     yield db