Update app.py
Browse files
app.py
CHANGED
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@@ -2,41 +2,37 @@ from flask import Flask, request, redirect
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import json
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import os
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app = Flask(__name__)
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DB_FILE = 'data.json'
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# Функция для создания нового JSON-файла
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def initialize_db():
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try:
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with open(DB_FILE, 'w') as f:
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json.dump([], f)
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print(f"Файл {DB_FILE} успешно создан.")
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except Exception as e:
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print(f"Ошибка при создании файла {DB_FILE}: {e}")
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# Функция для загрузки данных из файла
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def load_products():
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if not os.path.exists(DB_FILE):
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initialize_db()
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try:
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with open(DB_FILE, 'r') as f:
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products = json.load(f)
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print(f"Данные успешно загружены из {DB_FILE}: {products}")
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return products
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except (json.JSONDecodeError, Exception) as e:
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print(f"Ошибка при чтении файла {DB_FILE}: {e}")
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return []
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# Функция для сохранения данных в файл
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def save_products(products):
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try:
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with open(DB_FILE, 'w') as f:
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json.dump(products, f, indent=4)
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print(f"Данные успешно сохранены в {DB_FILE}: {products}")
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except Exception as e:
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print(f"Ошибка при записи в файл {DB_FILE}: {e}")
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# Вспомогательная функция для обёртки HTML-контента
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def html_wrapper(content):
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return f'''
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<!DOCTYPE html>
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@@ -66,11 +62,10 @@ a {{ margin-right: 15px; text-decoration: none; color: #333; }}
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</html>
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'''
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# Маршрут для отображения каталога товаров
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@app.route('/')
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def catalog():
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products = load_products()
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if not products:
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return html_wrapper('<div class="header">Каталог товаров пуст</div>')
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products_html = ''.join([
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f'''<div class="product">
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@@ -86,24 +81,24 @@ def catalog():
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<div class="products">{products_html}</div>
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''')
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# Маршрут для админ-панели (добавление товаров)
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@app.route('/admin', methods=['GET', 'POST'])
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def admin():
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if request.method == 'POST':
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products = load_products()
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# Добавляем новый товар из формы
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try:
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new_product = {
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'name': request.form['name'],
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'description': request.form['description'],
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'price': float(request.form['price']),
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'image': request.form['image']
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}
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products.append(new_product)
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save_products(products)
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return redirect('/admin')
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except ValueError as e:
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return html_wrapper(f'<div class="header">Ошибка: {e}</div>')
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return html_wrapper('''
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@@ -117,11 +112,8 @@ def admin():
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</form>
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''')
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if __name__ == '__main__': # Исправлено: __name__
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-
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# Проверяем наличие файла при запуске и создаём его при необходимости
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if not os.path.exists(DB_FILE):
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initialize_db()
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app.run(host='0.0.0.0', port=7860, debug=True)
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import json
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import os
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app = Flask(__name__)
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DB_FILE = 'data.json'
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def initialize_db():
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try:
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with open(DB_FILE, 'w') as f:
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json.dump([], f)
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print(f"Файл {DB_FILE} успешно создан.")
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except Exception as e:
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print(f"Ошибка при создании файла {DB_FILE}: {e}")
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def load_products():
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if not os.path.exists(DB_FILE):
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initialize_db()
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try:
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with open(DB_FILE, 'r') as f:
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products = json.load(f)
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print(f"Данные успешно загружены из {DB_FILE}: {products}")
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return products
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except (json.JSONDecodeError, Exception) as e:
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print(f"Ошибка при чтении файла {DB_FILE}: {e}")
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return []
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def save_products(products):
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try:
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with open(DB_FILE, 'w') as f:
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json.dump(products, f, indent=4)
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print(f"Данные успешно сохранены в {DB_FILE}: {products}")
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except Exception as e:
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print(f"Ошибка при записи в файл {DB_FILE}: {e}")
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def html_wrapper(content):
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return f'''
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<!DOCTYPE html>
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</html>
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'''
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@app.route('/')
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def catalog():
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products = load_products()
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if not products:
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return html_wrapper('<div class="header">Каталог товаров пуст</div>')
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products_html = ''.join([
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f'''<div class="product">
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<div class="products">{products_html}</div>
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''')
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@app.route('/admin', methods=['GET', 'POST'])
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def admin():
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if request.method == 'POST':
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products = load_products()
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try:
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new_product = {
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'name': request.form['name'],
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'description': request.form['description'],
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'price': float(request.form['price']),
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'image': request.form['image']
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}
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products.append(new_product)
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save_products(products)
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print(f"Добавлен новый товар: {new_product}") # Отладочное сообщение
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return redirect('/admin')
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except ValueError as e:
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print(f"Ошибка при добавлении товара: {e}") # Отладочное сообщение
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return html_wrapper(f'<div class="header">Ошибка: {e}</div>')
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return html_wrapper('''
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</form>
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''')
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if __name__ == '__main__':
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if not os.path.exists(DB_FILE):
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initialize_db()
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app.run(host='0.0.0.0', port=7860, debug=True)
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