try sqlalchemy

examples/files/04_sqlalchemy.ipynb

@@ -0,0 +1,175 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "10273bf9-9c77-4ef8-aee4-8d72bd358232",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import sys\n",
+    "\n",
+    "if __name__ == \"__main__\" and \"pyodide\" in sys.modules:\n",
+    "    %pip install -r requirements.txt"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6af7fc9a-051a-4830-9a5b-3c26f26b5de8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from ipyprofiler import Pyinstrument\n",
+    "\n",
+    "ps = Pyinstrument()\n",
+    "ps.tabs(layout={\"min_height\": \"60vh\"})"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1101695d-7a9c-49eb-b66f-89c27a8792bd",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "with ps.profile(\"just importing\", interval=0.001):\n",
+    "    import sqlalchemy"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "8070e5c5-5448-49f8-9a8b-c607a1c8194d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from typing import List\n",
+    "from typing import Optional\n",
+    "from sqlalchemy import ForeignKey\n",
+    "from sqlalchemy import String, text\n",
+    "from sqlalchemy.orm import DeclarativeBase\n",
+    "from sqlalchemy.orm import Mapped\n",
+    "from sqlalchemy.orm import mapped_column\n",
+    "from sqlalchemy.orm import relationship\n",
+    "from sqlalchemy.orm import Session"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "dc4b136f-e0af-4ee7-a767-388fab24ad6a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from sqlalchemy import create_engine"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1c4e9fbd-3572-49f0-94ae-6f6f80a054e7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "class Base(DeclarativeBase):\n",
+    "    pass"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "bc29a302-d87b-4660-85b8-8bccf5434394",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "class User(Base):\n",
+    "    __tablename__ = \"user_account\"\n",
+    "    id: Mapped[int] = mapped_column(primary_key=True)\n",
+    "    name: Mapped[str] = mapped_column(String(30))\n",
+    "    fullname: Mapped[Optional[str]]\n",
+    "    addresses: Mapped[List[\"Address\"]] = relationship(\n",
+    "        back_populates=\"user\", cascade=\"all, delete-orphan\"\n",
+    "    )\n",
+    "    def __repr__(self) -> str:\n",
+    "        return f\"User(id={self.id!r}, name={self.name!r}, fullname={self.fullname!r})\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3af7dc12-696c-4fba-97ce-cf4a236dc572",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "class Address(Base):\n",
+    "    __tablename__ = \"address\"\n",
+    "    id: Mapped[int] = mapped_column(primary_key=True)\n",
+    "    email_address: Mapped[str]\n",
+    "    user_id: Mapped[int] = mapped_column(ForeignKey(\"user_account.id\"))\n",
+    "    user: Mapped[\"User\"] = relationship(back_populates=\"addresses\")\n",
+    "    def __repr__(self) -> str:\n",
+    "        return f\"Address(id={self.id!r}, email_address={self.email_address!r})\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "7673897f-742c-4e90-984e-0fe128ded456",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "engine = create_engine(\"sqlite://\", echo=True)\n",
+    "Base.metadata.create_all(engine)\n",
+    "\n",
+    "with ps.profile(\"look, ma, an engine\", interval=0.001):\n",
+    "    with Session(engine) as session:\n",
+    "        spongebob = User(\n",
+    "            name=\"spongebob\",\n",
+    "            fullname=\"Spongebob Squarepants\",\n",
+    "            addresses=[Address(email_address=\"[email protected]\")],\n",
+    "        )\n",
+    "        sandy = User(\n",
+    "            name=\"sandy\",\n",
+    "            fullname=\"Sandy Cheeks\",\n",
+    "            addresses=[\n",
+    "                Address(email_address=\"[email protected]\"),\n",
+    "                Address(email_address=\"[email protected]\"),\n",
+    "            ],\n",
+    "        )\n",
+    "        patrick = User(name=\"patrick\", fullname=\"Patrick Star\")\n",
+    "        session.add_all([spongebob, sandy, patrick])\n",
+    "        session.commit()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "cf7eb2d5-68c4-4307-af1d-d552c5cc41c2",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

examples/files/requirements.txt

@@ -1,2 +1,3 @@
 ipywidgets
 ipyprofiler[pyinstrument]
+sqlalchemy