名称错误：在 python 中未定义名称'attach_and_send_screenshot'**

Question

用于通过Selenium发送附件，使用self._attach_and_send_screenshot()函数自动生成。

扫描二维码后输入任何内容 回溯(最近一次调用(： 文件"wht.py"，第 21 行，在 attach_and_send_screenshot(( 名称错误： 未定义名称"attach_and_send_screenshot">

from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException, StaleElementReferenceException, ElementNotVisibleException
from urllib.parse import quote_plus
driver = webdriver.Chrome()
driver.get('https://web.whatsapp.com/')
all_names = ['Anas Cse']
msg = 'testing'
count = 1
input('Enter anything after scanning QR code')
for name in all_names:
user = driver.find_element_by_xpath('//span[@title = "{}"]'.format(name))
user.click()
msg_box = driver.find_element_by_class_name('_2S1VP')
for i in range(count):
self._attach_and_send_screenshot()
#         msg_box.send_keys(msg)
#         button = driver.find_element_by_class_name('_2lkdt')
#         button.click()

def _attach_and_send_screenshot(self):
# TODO - ElementNotVisibleException - this shouldn't happen but when would it
# local variables for x_path elements on browser
attach_xpath = '//*[@id="main"]/header/div[3]/div/div[2]/div'
send_file_xpath = '//*[@id="app"]/div/div/div[1]/div[2]/span/div/span/div/div/div[2]/span[2]/div/div'
if self.attachment_type == "img":
attach_type_xpath = '//*[@id="main"]/header/div[3]/div/div[2]/span/div/div/ul/li[1]/input'
elif self.attachment_type == "cam":
attach_type_xpath = '//*[@id="main"]/header/div[3]/div/div[2]/span/div/div/ul/li[2]/button'
elif self.attachment_type == "doc":
attach_type_xpath = '//*[@id="main"]/header/div[3]/div/div[2]/span/div/div/ul/li[3]/input'
try:
# open attach menu
attach_btn = driver.find_element_by_xpath(attach_xpath)
attach_btn.click()
# Find attach file btn and send screenshot path to input
time.sleep(1)
attach_img_btn = driver.find_element_by_xpath(attach_type_xpath)
# TODO - might need to click on transportation mode if url doesn't work
attach_img_btn.send_keys(os.getcwd() + "/screenshot.png")           # get current script path + img_path
time.sleep(1)
send_btn = driver.find_element_by_xpath(send_file_xpath)
send_btn.click()
# close attach menu
time.sleep(1)
attach_btn = driver.find_element_by_xpath(attach_xpath)
attach_btn.click()
except (NoSuchElementException, ElementNotVisibleException) as e:
print(str(e))
send_message((str(e)))
send_message("Bot failed to retrieve search content, try again...")
def send_message(msg):
whatsapp_msg = driver.find_element_by_class_name('_2S1VP')
whatsapp_msg.send_keys(msg)
whatsapp_msg.send_keys(Keys.ENTER)

Answer 1

将函数定义移到主逻辑之前。 您正在尝试调用尚未定义的函数