为什么我不能使用 python 从 google 下载图像？

Question

该代码帮助我从 google 下载了一堆图像。它曾经在几天前工作，现在突然间代码中断了。

代码：

# importing google_images_download module 
from google_images_download import google_images_download  

# creating object 
response = google_images_download.googleimagesdownload()  

search_queries = ['Apple', 'Orange', 'Grapes', 'water melon'] 


def downloadimages(query): 
    # keywords is the search query 
    # format is the image file format 
    # limit is the number of images to be downloaded 
    # print urs is to print the image file url 
    # size is the image size which can 
    # be specified manually ("large, medium, icon") 
    # aspect ratio denotes the height width ratio 
    # of images to download. ("tall, square, wide, panoramic") 
    arguments = {"keywords": query, 
                 "format": "jpg", 
                 "limit":4, 
                 "print_urls":True, 
                 "size": "medium", 
                 "aspect_ratio": "panoramic"} 
    try: 
        response.download(arguments) 

    # Handling File NotFound Error     
    except FileNotFoundError:  
        arguments = {"keywords": query, 
                     "format": "jpg", 
                     "limit":4, 
                     "print_urls":True,  
                     "size": "medium"} 

        # Providing arguments for the searched query 
        try: 
            # Downloading the photos based 
            # on the given arguments 
            response.download(arguments)  
        except: 
            pass

# Driver Code 
for query in search_queries: 
    downloadimages(query)  
    print()

输出日志：

Item no.: 1 --> Item name = Apple Evaluating... Starting Download...

Unfortunately all 4 could not be downloaded because some images were not downloadable. 0 is all we got for this search filter!

Errors: 0

Item no.: 1 --> Item name = Orange Evaluating... Starting Download...

Unfortunately all 4 could not be downloaded because some images were not downloadable. 0 is all we got for this search filter!

Errors: 0

Item no.: 1 --> Item name = Grapes Evaluating... Starting Download...

Unfortunately all 4 could not be downloaded because some images were not downloadable. 0 is all we got for this search filter!

Errors: 0

Item no.: 1 --> Item name = water melon Evaluating... Starting Download...

Unfortunately all 4 could not be downloaded because some images were not downloadable. 0 is all we got for this search filter!

Errors: 0

这实际上创建了一个文件夹，但里面没有图像。

Answer 1

包裹似乎有问题。查看这些公开的 PR：PR1 and PR2

Answer 2

我认为 Google 正在改变 DOM。元素 class="rg_meta notranslate" 已不存在。改为class="rg_i ..."


def get_soup(url,header):
    return BeautifulSoup(urllib2.urlopen(urllib2.Request(url,headers=header)),'html.parser')    

def main(args):
    query = "typical face"
    query = query.split()
    query = '+'.join(query)
    url = "https://www.google.co.in/search?q="+query+"&source=lnms&tbm=isch"
    headers = {}
    headers['User-Agent'] = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36"
    soup = get_soup(url, headers)
    for a in soup.find_all("img", {"class": "rg_i"}):
        wget.download(a.attrs["data-iurl"], a.attrs["data-iid"])


if __name__ == '__main__':
    from sys import argv
    try:
        main(argv)
    except KeyboardInterrupt:
        pass
    sys.exit()

Answer 3

这个问题确实是前不久出现的，已经有一堆类似的Github问题：

不幸的是，没有正式的解决方案，目前，您可以使用讨论中提供的临时解决方案。

Answer 4

这不起作用的原因是 google 改变了他们做所有事情的方式，因此您现在需要在搜索字符串中包含 api_key。因此，即使您使用 2.8.0 版本，google-images-download 等软件包也不再有效，因为它们没有占位符来插入您必须使用 [= 注册的 api_key 字符串28=] 以获得每天 2500 次免费下载。

如果您愿意每月支付 50 美元或更多费用来访问 serpapi.com 的服务，一种方法是使用 pip 包 google-search-results 并提供您的 api_key 作为查询参数的一部分。

params = {
           "engine" : "google",
           ...
           "api_key" : "secret_api_key" 
}

您自己提供 API 密钥，然后调用：

client = GoogleSearchResults(params)
results = client.get_dict()

这个 returns 一个带有 link 的 JSON 字符串到所有图像 url，然后你直接下载它们。

Answer 5

google_images_download 项目似乎不再与 Google API 兼容。

作为替代方案，您可以尝试 simple_image_download。

为什么我不能使用 python 从 google 下载图像？

why couldn't I download images from google with python?

python

python-3.x

google-image-search