Untitled

import requests
import re
import csv
import pydantic
from pydantic import BaseModel




class parseWB:
    def __init__(self, url):
        self.brand_id = self.__get_brand_id(url)

    @staticmethod
    def __get_brand_id(url:str):
        regex = "(?<=fbktoys#c).+"
        brand_id = re.search(regex, url)[0]
        return brand_id

    def parse(self):
        i = 1
        self.__create_csv()
        while True:
             response = requests.get(
             f'https://catalog.wb.ru/brands/f/catalog?appType=1&brand={self.brand_id}&limit=100&page={i}&curr=rub&dest=-1257786&regions=80,38,83,4,64,33,68,70,30,40,86,75,69,22,1,31,66,110,48,71,114&sort=popular&spp=30&uclusters=0'

             )
             i += 1
             items_info = Items.model_validate(response.json()['data'])
             if not items_info.products:
                 break
             self.__save_csv(items_info)

    def __create_csv(self):
        with open ("wb_data11.csv", mode = "w", newline="") as file:
            writer = csv.writer(file)
            writer.writerow(['id','name','price','brend','sales','rating', 'volume'])

    def __save_csv(self, items):
        with open("wb_data11.csv", mode="a", newline="") as file:
            writer = csv.writer(file)
            for product in items.products:
                writer.writerow([product.id,
                                 product.name,
                                 product.salePriceU,
                                 product.brand,
                                 product.sale,
                                 product.rating,
                                 product.volume])

class Item(BaseModel):
    id: int
    name: str
    salePriceU: float
    brand: str
    sale: int
    rating: int
    volume: int




class Items(BaseModel):
    products: list[Item]

if __name__ == "__main__":
    parseWB("https://www.wildberries.ru/brands/fbktoys#c140846373").parse()