Added sqlalchemy to the project

.gitignore

@@ -3,4 +3,5 @@ venv/
 .idea/
 *.pyc
 *.swp
-.mypy_cache/
+.mypy_cache/
+*.db

db.py

@@ -0,0 +1,33 @@
+import os
+
+from sqlalchemy import create_engine, MetaData, Table, Column, Integer, String
+
+SQLITE_DB_PATH = 'styles.db'
+SQLITE_URL = f'sqlite:///{SQLITE_DB_PATH}'
+
+
+def sqlite_db_exists() -> bool:
+    return os.path.exists(SQLITE_DB_PATH)
+
+
+def create_styles_db():
+    engine = create_engine(SQLITE_URL, echo=True)
+    meta = MetaData()
+
+    styles = Table(
+        'styles',
+        meta,
+        Column('id', Integer, primary_key=True),
+        Column('name', String),
+        Column('body', String),
+    )
+    meta.create_all(engine)
+    engine.execute(styles.insert().values(name='first', body='###{@}###'))
+    engine.execute(styles.insert().values(name='second', body='@@@{@}@@@'))
+
+
+def init_styles_db():
+    if not sqlite_db_exists():
+        print(f'sqlite database {SQLITE_DB_PATH} not found. Initializing DB.')
+        create_styles_db()
+        return

main

@@ -3,6 +3,10 @@
 Module for launching formater
 """
 from cli import init_argparser
+from db import init_styles_db
+
 
 if __name__ == '__main__':
-    init_argparser()
+    init_styles_db()
+    init_argparser()
+

requirements.txt

@@ -0,0 +1 @@
+SQLAlchemy==1.3.12