fix bat script

add webserver and run_all scripts
4 changed files with 107 additions and 0 deletions
--- a/15_dhtsim_usb/python_sqlite/run_all.py
+++ b/15_dhtsim_usb/python_sqlite/run_all.py
@ -0,0 +1,27 @@
+import subprocess
+import sys
+import os
+import time
+
+SCRIPT_CAPTURE = "capture.py"
+SCRIPT_SERVER = "server.py"
+
+def run_script_in_new_cmd(script_name):
+    try:
+        print(f"zkusim spustit {script_name}")
+        process = subprocess.Popen(
+            ["cmd", "/c", "start", "cmd", "/k", sys.executable, script_name],
+            creationflags=subprocess.CREATE_NEW_CONSOLE
+        )
+        print(f"{script_name} by měl běžet v novém okně")
+        return process
+    except FileExistsError:
+        print(f"{script_name}404")
+    except Exception as e:
+        print(f"Nastala chyba: {e}")
+
+if __name__ == "__main__":
+    print("zkusim zapnout odposlech a server")
+    capture_process = run_script_in_new_cmd(SCRIPT_CAPTURE)
+    time.sleep(2)
+    server_process = run_script_in_new_cmd(SCRIPT_SERVER)
--- a/15_dhtsim_usb/python_sqlite/server.py
+++ b/15_dhtsim_usb/python_sqlite/server.py
@ -0,0 +1,46 @@
+from flask import Flask, render_template, g
+import sqlite3
+import os
+
+DB_FILE = "dht_data.sqlite"
+TABLE_NAME = "readings"
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+DATABASE_PATH = os.path.join(BASE_DIR,DB_FILE)
+
+app = Flask(__name__)
+app.config["DATABASE"] = DATABASE_PATH
+
+def get_db():
+    if "db" not in g:
+        try:
+            g.db = sqlite3.connect(
+                app.config["DATABASE"],
+                detect_types=sqlite3.PARSE_DECLTYPES
+            )
+            g.db.row_factory = sqlite3.Row
+        except sqlite3.Error as e:
+            print(f"Chyba při pripojeni db: {e}")
+    return g.db
+
+@app.teardown_appcontext
+def close_db():
+    db = g.pop("db",None)
+    if db is not None:
+        db.close()
+
+@app.route("/")
+def index():
+    data = []
+    try:
+        db = get_db()
+        cursor = db.cursor()
+        cursor.execute(f"SELECT timestamp, temperature, humidity FROM {TABLE_NAME} ORDER BY timestamp DESC")
+        data = cursor.fetchall()
+    except sqlite3.Error as e:
+        print(f"Chyba při čtení z db: {e}")
+    return render_template("index.html", data=data)
+
+if __name__ == "__main__":
+    print(f"DB se očekává zde: {app.config['DATABASE']}")
+    print(f"Server bude dostupný na http://localhost:5000")
+    app.run(debug=True, host="0.0.0.0", port=5000)
--- a/15_dhtsim_usb/python_sqlite/templates/index.html
+++ b/15_dhtsim_usb/python_sqlite/templates/index.html
@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    
+    <h1>VYPIST HODNOT</h1>
+    <table>
+        <thead>
+            <tr>
+                <th>cas</th>
+                <th>teplota</th>
+                <th>vlhkost</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for row in data %}
+            <tr>
+                <td> {{ row["timestamp"] }}</td>
+                <td> {{ row["temperature"] }}</td>
+                <td> {{ row["humidity"] }}</td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</body>
+</html>
--- a/15_dhtsim_usb/python_sqlite/win_zapnuti_webseveru.bat
+++ b/15_dhtsim_usb/python_sqlite/win_zapnuti_webseveru.bat
@ -0,0 +1,4 @@
+@echo off
+call .venv\Scripts\activate.bat
+python server.py
+pause
Author	SHA1	Message	Date
Jakub Škrabánek	0b32364170	fix bat script	6 days ago
Jakub Škrabánek	ffe7400f99	add webserver and run_all scripts	6 days ago