Heres quelques async code à fournir une file d'attente pour amazon recherches avec le sélénium, pourquoi suis-je AttributeError? Le __init__ est pas en cours d'exécution?

0

La question

Voici le code que j'utilise de recherche amazon de ma tornade web app. Pour le moment je n'ai qu'une de ces classes (et un webdriver) instancié. Je souhaiterez peut-être une piscine dans le futur (oui je sais il y a selenum de la grille, mais ce n'est pas ma question.) Ma question est, pourquoi est le __init__ apparemment ne fonctionne pas? Pourquoi est-il attributeError pour accéder à l'autonomie.la file d'attente de la var qui est clairement défini dans le __init__?

import asyncio
import uuid
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support.expected_conditions import presence_of_element_located
from selenium.common.exceptions import NoSuchElementException


class Searcher:
    def __init___(self):
        self.driver = webdriver.Firefox(executable_path="/home/felix/project/geckodriver")
        self.wait = WebDriverWait(self.driver, 10)
        self.driver.get("https://amazon.com/")
        self.queue = []

    async def _search(self, query):
        self.driver.find_element(By.ID, "twotabsearchtextbox").send_keys("pixel" + Keys.RETURN)
        self.wait.until(presence_of_element_located((By.XPATH,
                "//div[contains(@class, 'sg-col-inner')]/div[contains(@class, 'a-section')]"
                "/div[contains(@class, 'a-section')]")))
        el = self.driver.find_elements(By.XPATH,
                "//div[contains(@class, 'a-section')]/div[h2][not(contains(.,'Sponsored'))]"
                "[contains(@class, 'a-section')]/..")
        out=[]
        for e in range(len(el)):
            try:
                out+=[{"price": el[e].find_element(By.XPATH, ".//span[contains(@class, 'a-price-whole')]").text + "." +
                el[e].find_element(By.XPATH, ".//span[contains(@class, 'a-price-fraction')]").text,
                "title": el[e].find_element(By.XPATH, ".//h2").text}]
            except NoSuchElementException:
                pass
        return out

    def search(self, query):
        _id = uuid.uuid4()
        self.queue.append(_id)
        async def help(self):
            while 1:
                if _id == self.queue[0]:
                    return await self._search(query)
                await asyncio.sleep(0.5)
        res = help(self)
        self.queue.pop()
        return res

a = Searcher()
print(asyncio.run(a.search("test")))

Voici le message d'erreur:

Traceback (most recent call last):
  File "/home/felix/project/search.py", line 49, in <module>
    print(asyncio.run(a.search("test")))
  File "/home/felix/project/search.py", line 38, in search
    self.queue.append(_id)
AttributeError: 'Searcher' object has no attribute 'queue'
attributeerror class init python
2021-11-24 06:01:11
1

La meilleure réponse

0

Comment rediciulous... j'ai nommé le __init__ fonction __init___.

J'ai correction d'autres bugs remaniée et voici le code de travail

import asyncio
import uuid
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support.expected_conditions import presence_of_element_located
from selenium.common.exceptions import NoSuchElementException


class Searcher:
    def __init__(self):
        self.driver = webdriver.Firefox(executable_path="/home/felix/amcoin/geckodriver")
        self.wait = WebDriverWait(self.driver, 10)
        self.driver.get("https://amazon.com/")
        self.queue = []

    async def _search(self, query):
        self.driver.find_element(By.ID, "twotabsearchtextbox").send_keys(query + Keys.RETURN)
        self.wait.until(presence_of_element_located((By.XPATH,
                "//div[contains(@class, 'sg-col-inner')]/div[contains(@class, 'a-section')]"
                "/div[contains(@class, 'a-section')]")))
        el = self.driver.find_elements(By.XPATH,
                "//div[contains(@class, 'a-section')]/div[h2][not(contains(.,'Sponsored'))]"
                "[contains(@class, 'a-section')]/..")
        out=[]
        for e in range(len(el)):
            try:
                out+=[{"price": el[e].find_element(By.XPATH, ".//span[contains(@class, 'a-price-whole')]").text + "." +
                el[e].find_element(By.XPATH, ".//span[contains(@class, 'a-price-fraction')]").text,
                "title": el[e].find_element(By.XPATH, ".//h2").text}]
            except NoSuchElementException:
                pass
        return out

    async def search(self, query):
        _id = uuid.uuid4()
        self.queue.append(_id)
        while 1:
            if _id == self.queue[0]:
                res = await self._search(query)
                self.queue.pop()
                return res
            await asyncio.sleep(0.5)

a = Searcher()
print(asyncio.run(a.search("test")))
2021-11-24 06:21:16

Dans d'autres langues

Cette page est dans d'autres langues

Русский
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................