backend: tables: Begin data model

Using SQLAlchemy Core for query building, composition, etc.

backend/poetry.lock

@@ -115,6 +115,17 @@ mccabe = ">=0.6.0,<0.7.0"
 pycodestyle = ">=2.8.0,<2.9.0"
 pyflakes = ">=2.4.0,<2.5.0"
 
+[[package]]
+name = "greenlet"
+version = "1.1.2"
+description = "Lightweight in-process concurrent programming"
+category = "main"
+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
+
+[package.extras]
+docs = ["sphinx"]
+
 [[package]]
 name = "h11"
 version = "0.12.0"
@@ -273,6 +284,38 @@ category = "main"
 optional = false
 python-versions = ">=3.5"
 
+[[package]]
+name = "sqlalchemy"
+version = "1.4.31"
+description = "Database Abstraction Library"
+category = "main"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,>=2.7"
+
+[package.dependencies]
+greenlet = {version = "!=0.4.17", markers = "python_version >= \"3\" and (platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\")"}
+
+[package.extras]
+aiomysql = ["greenlet (!=0.4.17)", "aiomysql"]
+aiosqlite = ["typing_extensions (!=3.10.0.1)", "greenlet (!=0.4.17)", "aiosqlite"]
+asyncio = ["greenlet (!=0.4.17)"]
+asyncmy = ["greenlet (!=0.4.17)", "asyncmy (>=0.2.3)"]
+mariadb_connector = ["mariadb (>=1.0.1)"]
+mssql = ["pyodbc"]
+mssql_pymssql = ["pymssql"]
+mssql_pyodbc = ["pyodbc"]
+mypy = ["sqlalchemy2-stubs", "mypy (>=0.910)"]
+mysql = ["mysqlclient (>=1.4.0,<2)", "mysqlclient (>=1.4.0)"]
+mysql_connector = ["mysql-connector-python"]
+oracle = ["cx_oracle (>=7,<8)", "cx_oracle (>=7)"]
+postgresql = ["psycopg2 (>=2.7)"]
+postgresql_asyncpg = ["greenlet (!=0.4.17)", "asyncpg"]
+postgresql_pg8000 = ["pg8000 (>=1.16.6)"]
+postgresql_psycopg2binary = ["psycopg2-binary"]
+postgresql_psycopg2cffi = ["psycopg2cffi"]
+pymysql = ["pymysql (<1)", "pymysql"]
+sqlcipher = ["sqlcipher3-binary"]
+
 [[package]]
 name = "starlette"
 version = "0.17.1"
@@ -338,7 +381,7 @@ python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "df11d0f4224710aaac189390a0ab2d3aea8141cef77ad7c933cc3f754dfc5f06"
+content-hash = "4557b3cd4cddb758cdbb713b02a2f3c6974b8d1e0077ae67c30f44d5a6a68666"
 
 [metadata.files]
 anyio = [
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 ]
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@@ -519,6 +619,44 @@ sniffio = [
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 ]
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+]
 starlette = [
     {file = "starlette-0.17.1-py3-none-any.whl", hash = "sha256:26a18cbda5e6b651c964c12c88b36d9898481cd428ed6e063f5f29c418f73050"},
     {file = "starlette-0.17.1.tar.gz", hash = "sha256:57eab3cc975a28af62f6faec94d355a410634940f10b30d68d31cb5ec1b44ae8"},

backend/pyproject.toml

@@ -8,6 +8,7 @@ license = "MIT"
 [tool.poetry.dependencies]
 python = "^3.8"
 fastapi = "^0.72.0"
+SQLAlchemy = "^1.4.31"
 
 [tool.poetry.dev-dependencies]
 black = "^21.12b0"

backend/src/lycodon/tables.py

@@ -0,0 +1,134 @@
+import sqlalchemy
+
+
+metadata = sqlalchemy.MetaData()
+
+
+file = sqlalchemy.Table(
+    'file',
+    metadata,
+    sqlalchemy.Column(
+        'id',
+        sqlalchemy.Integer,
+        autoincrement=True,
+        primary_key=True,
+    ),
+    sqlalchemy.Column(
+        'path',
+        sqlalchemy.Text(999),
+        nullable=False,
+        unique=True,
+    ),
+    sqlalchemy.Column(
+        'last_modified',
+        sqlalchemy.DateTime(),
+        nullable=False,
+    ),
+    sqlalchemy.Column(
+        'size',
+        sqlalchemy.Integer,
+        nullable=False,
+    ),
+)
+
+
+artist = sqlalchemy.Table(
+    'artist',
+    metadata,
+    sqlalchemy.Column(
+        'id',
+        sqlalchemy.Integer,
+        autoincrement=True,
+        primary_key=True,
+    ),
+    sqlalchemy.Column(
+        'name',
+        sqlalchemy.Text(999),
+        nullable=False,
+    ),
+    sqlalchemy.Column(
+        'mbid',
+        sqlalchemy.Text(36),
+        default=None,
+    ),
+)
+
+
+album = sqlalchemy.Table(
+    'album',
+    metadata,
+    sqlalchemy.Column(
+        'id',
+        sqlalchemy.Integer,
+        autoincrement=True,
+        primary_key=True,
+    ),
+    sqlalchemy.Column(
+        'title',
+        sqlalchemy.Text(999),
+        nullable=False,
+    ),
+    sqlalchemy.Column(
+        'artist_id',
+        sqlalchemy.Integer,
+        sqlalchemy.ForeignKey('artist.id'),
+        nullable=False,
+    ),
+    sqlalchemy.Column(
+        'mbid',
+        sqlalchemy.Text(36),
+        default=None,
+    ),
+    sqlalchemy.Column(
+        'date',
+        sqlalchemy.Text(10),
+        default=None,
+    ),
+)
+
+
+track = sqlalchemy.Table(
+    'track',
+    metadata,
+    sqlalchemy.Column(
+        'id',
+        sqlalchemy.Integer,
+        autoincrement=True,
+        primary_key=True,
+    ),
+    sqlalchemy.Column(
+        'title',
+        sqlalchemy.Text(999),
+        nullable=False,
+    ),
+    sqlalchemy.Column(
+        'album_id',
+        sqlalchemy.Integer,
+        sqlalchemy.ForeignKey('album.id'),
+    ),
+    sqlalchemy.Column(
+        'artist_id',
+        sqlalchemy.Integer,
+        sqlalchemy.ForeignKey('artist.id'),
+    ),
+    sqlalchemy.Column(
+        'mbid',
+        sqlalchemy.Text(36),
+        default=None,
+    ),
+    sqlalchemy.Column(
+        'number',
+        sqlalchemy.Integer,
+        default=None,
+    ),
+    sqlalchemy.Column(
+        'disc',
+        sqlalchemy.Integer,
+        default=None,
+    ),
+    sqlalchemy.Column(
+        'genre',
+        sqlalchemy.Text(99),
+        default=None,
+    ),
+)