From fd5b15b41aafa53082b3be3b2a6153fc5b458f50 Mon Sep 17 00:00:00 2001
From: Jun-te Kim <junte@domna.homes>
Date: Tue, 1 Apr 2025 12:16:58 +0000
Subject: [PATCH] added env

---
 .gitignore     |  5 ++-
 alembic/env.py | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 3 deletions(-)
 create mode 100644 alembic/env.py

diff --git a/.gitignore b/.gitignore
index 16a5ff1..428dd7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,6 @@
 __pycache__/
 *.py[cod]
 data/
-.env
 *ipynb
-env.py
-etl/survery_data.csv
\ No newline at end of file
+etl/survery_data.csv
+foo.env.py
\ No newline at end of file
diff --git a/alembic/env.py b/alembic/env.py
new file mode 100644
index 0000000..82bf6e0
--- /dev/null
+++ b/alembic/env.py
@@ -0,0 +1,86 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from alembic import context
+from sqlmodel import SQLModel
+import os
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+db_url = os.getenv("DATABASE_URL")
+
+if not db_url:
+    raise RuntimeError("Please specify database url via DATABASE_URL in env variable")
+
+config = context.config
+config.set_main_option("sqlalchemy.url", db_url)
+
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = SQLModel.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()