Add google images scrapper #25

Merged
s459307 merged 1 commits from scripts into master 2022-05-26 17:55:45 +02:00

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import hashlib
import io
import os
import time
import requests
from PIL import Image
from selenium import webdriver
from selenium.webdriver.common.by import By
def fetch_image_urls(query: str, max_links_to_fetch: int, wd: webdriver, sleep_between_interactions: int = 1):
def scroll_to_end(wd):
wd.execute_script("window.scrollTo(0, document.body.scrollHeight);")
time.sleep(sleep_between_interactions)
search_url = "https://www.google.com/search?safe=off&site=&tbm=isch&source=hp&q={q}&oq={q}&gs_l=img"
wd.get(search_url.format(q=query))
image_urls = set()
image_count = 0
results_start = 0
while image_count < max_links_to_fetch:
scroll_to_end(wd)
thumbnail_results = wd.find_elements(by=By.CSS_SELECTOR, value="img.Q4LuWd")
number_results = len(thumbnail_results)
print(f"Found: {number_results} search results. Extracting links from {results_start}:{number_results}")
for img in thumbnail_results[results_start:number_results]:
try:
img.click()
time.sleep(sleep_between_interactions)
except Exception:
continue
actual_images = wd.find_elements(by=By.CSS_SELECTOR, value="img.n3VNCb")
for actual_image in actual_images:
if actual_image.get_attribute('src') and 'http' in actual_image.get_attribute('src'):
image_urls.add(actual_image.get_attribute('src'))
image_count = len(image_urls)
if len(image_urls) >= max_links_to_fetch:
print(f"Found: {len(image_urls)} image links, done!")
break
else:
print("Found:", len(image_urls), "image links, looking for more ...")
time.sleep(1)
results_start = len(thumbnail_results)
return image_urls
def download_image(folder_path:str, url:str):
try:
image_content = requests.get(url).content
except Exception as e:
print(f"ERROR - Could not download {url} - {e}")
try:
image_file = io.BytesIO(image_content)
image = Image.open(image_file).convert('RGB')
file_path = os.path.join(folder_path,hashlib.sha1(image_content).hexdigest()[:10] + '.jpg')
with open(file_path, 'wb') as f:
image.save(f, "JPEG", quality=100)
print(f"SUCCESS - saved {url} - as {file_path}")
except Exception as e:
print(f"ERROR - Could not save {url} - {e}")
def search_and_download(search_term:str, target_path='../learning/train', number_images=int):
target_folder = os.path.join(target_path, '_'.join(search_term.lower().split(' ')))
if not os.path.exists(target_folder):
os.makedirs(target_folder)
with webdriver.Chrome() as wd:
res = fetch_image_urls(search_term, number_images, wd=wd, sleep_between_interactions=0.5)
for elem in res:
download_image(target_folder, elem)
print("Input search term: ", end='')
search_term = input()
print("Input number of images to download: ", end='')
number_images = int(input())
search_and_download(search_term=search_term, number_images=number_images)