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GoogleImageScraper.py
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GoogleImageScraper.py
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# -*- coding: utf-8 -*-
"""
Created on Sat Jul 18 13:01:02 2020
@author: OHyic
"""
#import selenium drivers
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import NoSuchElementException
#import helper libraries
import time
import urllib.request
import os
import requests
import io
from PIL import Image
#custom patch libraries
import patch
class GoogleImageScraper():
def __init__(self, webdriver_path, image_path, search_key="cat", number_of_images=1, headless=True, min_resolution=(0, 0), max_resolution=(1920, 1080), max_missed=10):
#check parameter types
image_path = os.path.join(image_path, search_key)
if (type(number_of_images)!=int):
print("[Error] Number of images must be integer value.")
return
if not os.path.exists(image_path):
print("[INFO] Image path not found. Creating a new folder.")
os.makedirs(image_path)
#check if chromedriver is updated
while(True):
try:
#try going to www.google.com
options = Options()
if(headless):
options.add_argument('--headless')
driver = webdriver.Chrome(webdriver_path, chrome_options=options)
driver.set_window_size(1400,1050)
driver.get("https://www.google.com")
break
except:
#patch chromedriver if not available or outdated
try:
driver
except NameError:
is_patched = patch.download_lastest_chromedriver()
else:
is_patched = patch.download_lastest_chromedriver(driver.capabilities['version'])
if (not is_patched):
exit("[ERR] Please update the chromedriver.exe in the webdriver folder according to your chrome version:https://chromedriver.chromium.org/downloads")
self.driver = driver
self.search_key = search_key
self.number_of_images = number_of_images
self.webdriver_path = webdriver_path
self.image_path = image_path
self.url = "https://www.google.com/search?q=%s&source=lnms&tbm=isch&sa=X&ved=2ahUKEwie44_AnqLpAhUhBWMBHUFGD90Q_AUoAXoECBUQAw&biw=1920&bih=947"%(search_key)
self.headless=headless
self.min_resolution = min_resolution
self.max_resolution = max_resolution
self.max_missed = max_missed
def find_image_urls(self):
"""
This function search and return a list of image urls based on the search key.
Example:
google_image_scraper = GoogleImageScraper("webdriver_path","image_path","search_key",number_of_photos)
image_urls = google_image_scraper.find_image_urls()
"""
print("[INFO] Gathering image links")
image_urls=[]
count = 0
missed_count = 0
self.driver.get(self.url)
time.sleep(3)
indx = 1
while self.number_of_images > count:
try:
#find and click image
imgurl = self.driver.find_element_by_xpath('//*[@id="islrg"]/div[1]/div[%s]/a[1]/div[1]/img'%(str(indx)))
imgurl.click()
missed_count = 0
except Exception:
#print("[-] Unable to click this photo.")
missed_count = missed_count + 1
if (missed_count>self.max_missed):
print("[INFO] Maximum missed photos reached, exiting...")
break
try:
#select image from the popup
time.sleep(1)
class_names = ["n3VNCb"]
images = [self.driver.find_elements_by_class_name(class_name) for class_name in class_names if len(self.driver.find_elements_by_class_name(class_name)) != 0 ][0]
for image in images:
#only download images that starts with http
src_link = image.get_attribute("src")
if(("http" in src_link) and (not "encrypted" in src_link)):
print(
f"[INFO] {self.search_key} \t #{count} \t {src_link}")
image_urls.append(src_link)
count +=1
break
except Exception:
print("[INFO] Unable to get link")
try:
#scroll page to load next image
if(count%3==0):
self.driver.execute_script("window.scrollTo(0, "+str(indx*60)+");")
element = self.driver.find_element_by_class_name("mye4qd")
element.click()
print("[INFO] Loading next page")
time.sleep(3)
except Exception:
time.sleep(1)
indx += 1
self.driver.quit()
print("[INFO] Google search ended")
return image_urls
def save_images(self,image_urls):
#save images into file directory
"""
This function takes in an array of image urls and save it into the given image path/directory.
Example:
google_image_scraper = GoogleImageScraper("webdriver_path","image_path","search_key",number_of_photos)
image_urls=["https://example_1.jpg","https://example_2.jpg"]
google_image_scraper.save_images(image_urls)
"""
print("[INFO] Saving image, please wait...")
for indx,image_url in enumerate(image_urls):
try:
print("[INFO] Image url:%s"%(image_url))
search_string = ''.join(e for e in self.search_key if e.isalnum())
image = requests.get(image_url,timeout=5)
if image.status_code == 200:
with Image.open(io.BytesIO(image.content)) as image_from_web:
try:
filename = "%s%s.%s"%(search_string,str(indx),image_from_web.format.lower())
image_path = os.path.join(self.image_path, filename)
print(
f"[INFO] {self.search_key} \t {indx} \t Image saved at: {image_path}")
image_from_web.save(image_path)
except OSError:
rgb_im = image_from_web.convert('RGB')
rgb_im.save(image_path)
image_resolution = image_from_web.size
if image_resolution != None:
if image_resolution[0]<self.min_resolution[0] or image_resolution[1]<self.min_resolution[1] or image_resolution[0]>self.max_resolution[0] or image_resolution[1]>self.max_resolution[1]:
image_from_web.close()
#print("GoogleImageScraper Notification: %s did not meet resolution requirements."%(image_url))
os.remove(image_path)
image_from_web.close()
except Exception as e:
print("[ERROR] Download failed: ",e)
pass
print("--------------------------------------------------")
print("[INFO] Downloads completed. Please note that some photos were not downloaded as they were not in the correct format (e.g. jpg, jpeg, png)")