From 1604cf223285bf37d24c0ded5900fe0ffaeb5c23 Mon Sep 17 00:00:00 2001
From: Dronminator <andrey.lakhin@gmail.com>
Date: Mon, 27 Mar 2023 13:23:10 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=B0=D1=80=D1=81=D0=B8=D0=BD=D0=B3=20?=
 =?UTF-8?q?=D1=81=20=D1=81=D0=B0=D0=B9=D1=82=D0=B0=20=D0=B8=20=D0=B2=D0=B2?=
 =?UTF-8?q?=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D0=B5=20=D0=B2=20=D0=91=D0=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Задания/task1/Lahin/postgres.py | 48 +++++++++++++--------------------
 1 file changed, 19 insertions(+), 29 deletions(-)

diff --git a/Задания/task1/Lahin/postgres.py b/Задания/task1/Lahin/postgres.py
index 0ca1bb2..cfa0920 100644
--- a/Задания/task1/Lahin/postgres.py
+++ b/Задания/task1/Lahin/postgres.py
@@ -7,65 +7,55 @@ import time
 i = 1
 s = Service("С:\DATA\ChromeDriver\chromedriver.exe")
 browser = webdriver.Chrome(service=s)
-browser.get("https://www.mvideo.ru/noutbuki-planshety-komputery-8/noutbuki-118?from=under_search")
+browser.get("https://www.mvideo.ru/noutbuki-planshety-komputery-8/noutbuki-118/f/tolko-v-nalichii=da?from=under_search")
+time.sleep(5)
+"""
 height = browser.execute_script("return document.body.scrollHeight")
 time.sleep(4)
-while 900*i < height:
-    height = browser.execute_script("return document.body.scrollHeight")
-    browser.execute_script(f"window.scrollTo(0,{900*i})")
+for i in range(10):
+    browser.execute_script(f"window.scrollTo(0, {1000*i})")
     time.sleep(1)
-    i+=1
+"""
 html_text = browser.page_source
 soup = BeautifulSoup(html_text, 'lxml')
 productst = soup.find_all('a', class_="product-title__text")
 pricest = soup.find_all('span', class_="price__main-value")
-features = soup.find_all('ul', class_="product-feature-list product-feature-list--undefined")
-pictures =  soup.find_all('img', class_="product-picture__img product-picture__img--list")
-products, prices, diagonals, resolutions, CPUs, RAMs, Graphics_controllers, Volumes = [],[],[],[],[],[],[],[]
-for i in range(len(productst)):
-    products.append(productst[i].text.strip())
-    prices.append(pricest[i].text.replace("\xa0", "").strip())
-for feature in features:
-    u = feature.text
-    diagonals.append(u[20:u.find("\"",20)+1])
-    resolutions.append(u[u.find("\"",20)+2:u.find(".", 23)+1])
-    CPUs.append(u[u.find("Процессор",20)+9:u.find("ГГц",20)+3].replace("\xa0",""))
-    RAMs.append(" ".join(u[u.find("(RAM)",20)+5:u.find("Графический контроллер")].split()))
-    Graphics_controllers.append(u[u.find("Графический контроллер")+22:u.rfind("Объем")-2])
-    Volumes.append(u[u.rfind("Объем")+6:].replace("\xa0", "").strip())
-for i in range(len(Volumes)):
-    u = Volumes[i]
-    if u.rfind("D")!=-1: Volumes[i] = u[:u.rfind("D")+1]+ " " + u[u.rfind("D")+1:]
-    else: Volumes[i] = u[:u.rfind("С")+1]+ " " + u[u.rfind("С")+1:]
+features = soup.find_all('span', class_="product-feature-list__value")
+pictures =  soup.find_all('div', class_="product-picture-container")
 connection=psycopg2.connect(host='localhost', dbname='dbdata', user='postgres', password='Q1w2e3r4')
 cursor = connection.cursor()
-insert = """CREATE TABLE public.laptops(
+""" insert = CREATE TABLE public.laptops(
 id serial primary key,
 product varchar(100),
 price varchar(15),
 diagonal varchar(5),
 resolution varchar(20),
 CPU varchar(50),
-RAM varchar(10),
+RAM varchar(15),
 Graphics_Controller varchar(40),
 Volume varchar(25),
 src varchar(100)
 );
 """
+insert = """TRUNCATE TABLE public.laptops; ALTER SEQUENCE laptops_id_seq RESTART WITH 1;"""
 cursor.execute(insert)
 connection.commit()
-for i in range(len(products)):
-    url = "https://"+pictures[i]['src']
+for i in range(len(productst)):
+    url = "https://"+pictures[i].find('img')['src']
     filename = f"C:\DATA\Images\{i+1}.jpg"
+    u = []
+    for j in range(10):
+        u.append(features[10*i+j].text)
     wget.download(url, filename)
+    t = pricest[i].text.replace("\xa0", " ")
     insert = f"""INSERT INTO public.laptops(
         product, price, diagonal, resolution, CPU, RAM, Graphics_Controller, Volume, src)
         VALUES
-        ('{products[i]}', '{prices[i]}', '{diagonals[i]}', '{resolutions[i]}', '{CPUs[i]}', '{RAMs[i]}', '{Graphics_controllers[i]}', '{Volumes[i]}', '{filename}');"""
+        ('{productst[i].text.strip()}', '{t.strip()}', '{u[0][:u[0].find("/")]}', '{u[0][u[0].find("/")+1:]}', 
+        '{u[2]}', '{u[4]+" "+u[5]}', '{u[6]}', '{u[8]}', '{filename}');"""
     cursor.execute(insert)
     connection.commit()
 cursor.execute("select * from laptops")
 print("Результат", cursor.fetchall())
 cursor.close()
 connection.close()
-