97 lines
2.2 KiB
Plaintext
97 lines
2.2 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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"import psycopg2\n",
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"\n",
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"conn = psycopg2.connect(host=\"localhost\", database=\"uni-db\", user=\"postgres\", password=\"password\")\n",
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"\n",
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"conn.close()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"{'host': 'localhost', 'database': 'uni-db', 'user': 'postgres', 'password': 'password'}\n"
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]
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}
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],
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"source": [
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"from configparser import ConfigParser\n",
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"\n",
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"def config(filename=\"dbconfig.ini\", section=\"postgresql\"):\n",
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" parser = ConfigParser()\n",
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" parser.read(filename)\n",
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"\n",
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" db = {}\n",
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" if parser.has_section(section):\n",
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" params = parser.items(section)\n",
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" db = {param[0] : param[1] for param in params}\n",
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" else:\n",
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" raise Exception(f\"Section: {section} not found in {filename}\")\n",
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"\n",
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" return db\n",
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"\n",
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"print(config())"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(2125, 'Sokrates', 'C4', 226), (2126, 'Russel', 'C4', 232), (2127, 'Kopernikus', 'C3', 310), (2133, 'Popper', 'C3', 52), (2134, 'Augustinus', 'C3', 309), (2136, 'Curie', 'C4', 36), (2137, 'Kant', 'C4', 7)]\n"
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]
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}
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],
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"source": [
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"conn = psycopg2.connect(**config())\n",
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"\n",
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"cur = conn.cursor()\n",
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"\n",
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"cur.execute(\"SELECT * FROM professoren\")\n",
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"\n",
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"print(cur.fetchall())\n",
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"\n",
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"conn.close()"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.11.3"
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},
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"orig_nbformat": 4
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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