Beautiful Soup定位data-iso-code=inr的a标签报错及点击方法咨询

First, let's fix that BeautifulSoup error you're seeing, then cover how to interact with the element to click it.

Fixing the BeautifulSoup Selection Error #

The SyntaxError pops up because Python doesn't allow keyword arguments with hyphens (like data-iso-code). Instead, you need to pass a dictionary to the attrs parameter when using find() or find_all().

Here's the corrected code to find the element:

from bs4 import BeautifulSoup

# Assume your HTML content is stored in a variable called html_content
soup = BeautifulSoup(html_content, 'html.parser')
inr_currency_tag = soup.find('a', attrs={'data-iso-code': 'inr'})

# Verify you've found the right element by printing its text
print(inr_currency_tag.text)  # Output: ₹ - INR 

If you need to find all elements with this attribute (not just the first), use find_all() instead:

all_inr_tags = soup.find_all('a', attrs={'data-iso-code': 'inr'})

Clicking the Element (Using Selenium) #

BeautifulSoup only parses static HTML—it can't interact with live web pages or click elements. To actually click the button, you'll need a browser automation tool like Selenium. Here are a few reliable methods:

Method 1: CSS Selector (Most Straightforward) #

Use the attribute directly in a CSS selector to target the element:

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# Initialize your browser driver (example uses Chrome)
driver = webdriver.Chrome()
driver.get("your_target_page_url")

# Wait for the element to be clickable (avoids race conditions)
inr_button = WebDriverWait(driver, 10).until(
    EC.element_to_be_clickable((By.CSS_SELECTOR, 'a[data-iso-code="inr"]'))
)

# Click the button
inr_button.click()

# Clean up: close the driver when done
driver.quit()

Method 2: XPath #

You can also use XPath to target the element by its attribute:

inr_button = WebDriverWait(driver, 10).until(
    EC.element_to_be_clickable((By.XPATH, '//a[@data-iso-code="inr"]'))
)
inr_button.click()

Method 3: Partial Link Text (If Text Is Consistent) #

If the button text ("₹ - INR") doesn't change, you can use partial link text to locate it:

inr_button = WebDriverWait(driver, 10).until(
    EC.element_to_be_clickable((By.PARTIAL_LINK_TEXT, "INR"))
)
inr_button.click()

Note: Make sure you have Selenium installed (pip install selenium) and the correct web driver (like ChromeDriver) set up for your browser.

内容的提问来源于stack exchange，提问作者Mayank Soni