如何使用Python Selenium定位GitHub中指定用户的贡献者区块？

针对你要定位的「GrahamDumpleton」贡献者区块，这里提供几种可靠的定位方式（基于当前GitHub页面DOM结构）：

方法1：XPath直接定位完整区块 #

通过用户名文本向上追溯父容器，XPath表达式可精准匹配到包含目标用户名的整个贡献者条目：

from selenium import webdriver
from selenium.webdriver.common.by import By

driver = webdriver.Chrome()
driver.get("https://github.com/GrahamDumpleton/wrapt/graphs/contributors")

# 定位目标用户的贡献者区块
contributor_block = driver.find_element(By.XPATH, '//li[contains(@class, "contributor")]//span[@class="author" and text()="GrahamDumpleton"]/ancestor::li[contains(@class, "contributor")]')

# 示例：获取区块内的贡献次数数据
contributions = contributor_block.find_element(By.CSS_SELECTOR, 'span.contrib-number').text
print(f"贡献次数：{contributions}")

方法2：先定位用户名再追溯父区块 #

先找到用户名元素，再通过XPath获取其所属的贡献者容器：

# 定位用户名元素
username_element = driver.find_element(By.CSS_SELECTOR, 'span.author:contains("GrahamDumpleton")')
# 向上获取父级贡献者区块
contributor_block = username_element.find_element(By.XPATH, './ancestor::li[contains(@class, "contributor")]')

额外提示：处理动态加载 #

如果页面需要滚动才加载目标用户区块，可通过等待元素可见确保加载完成：

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 最多等待10秒，直到目标区块出现
contributor_block = WebDriverWait(driver, 10).until(
    EC.presence_of_element_located((By.XPATH, '//li[contains(@class, "contributor")]//span[@class="author" and text()="GrahamDumpleton"]/ancestor::li[contains(@class, "contributor")]'))
)

内容的提问来源于stack exchange，提问作者KDWB