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jupyter/os_env.ipynb
2025-08-24 13:47:23 +08:00

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{
"cells": [
{
"cell_type": "code",
"execution_count": 5,
"id": "ab869d03-ed90-4c48-affe-02eb74938022",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"/home/changcl/apps/jupyter/notebook\n"
]
}
],
"source": [
"import os\n",
"print(os.getcwd())"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "10f377d9-24ec-4d64-8dd5-2cfbe14a0245",
"metadata": {},
"outputs": [],
"source": [
"# /home/changcl/apps/jupyter\n",
"# uv add python-dotenv\n",
"from dotenv import load_dotenv"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "149cbe5b-8365-47c1-a88b-9726865ef16a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"load_dotenv()"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "64fe12a2-a517-4336-adfc-4965531b19d9",
"metadata": {},
"outputs": [],
"source": [
"database_url = os.getenv(\"DATABASE_URL\")\n",
"api_key = os.getenv(\"API_KEY\")"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "9fb9cbb7-e13e-44f9-84c7-9124a1274ede",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Database URL: postgresql://user:password@host:port/database\n",
"API Key: your_secret_api_key\n"
]
}
],
"source": [
"print(f\"Database URL: {database_url}\")\n",
"print(f\"API Key: {api_key}\")"
]
}
],
"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": "3.12.11"
}
},
"nbformat": 4,
"nbformat_minor": 5
}