fix google parser error

Solved the problem that json.decoder.JSONDecodeError was displayed due to Google's specification change.

icrawler/builtin/google.py

@@ -140,24 +140,26 @@ def feed(self, keyword, offset, max_num, language=None, filters=None):
 
 
 class GoogleParser(Parser):
-
     def parse(self, response):
         soup = BeautifulSoup(
             response.content.decode('utf-8', 'ignore'), 'lxml')
-        image_divs = soup.find_all('script')
+        #image_divs = soup.find_all('script')
+        image_divs = soup.find_all(name='script')
         for div in image_divs:
-            txt = div.string
-            if txt is None or not txt.startswith('AF_initDataCallback'):
+            #txt = div.text
+            txt = str(div)
+            #if not txt.startswith('AF_initDataCallback'):
+            if 'AF_initDataCallback' not in txt:
                 continue
-            if 'ds:1' not in txt:
+            if 'ds:0' in txt or 'ds:1' not in txt:
                 continue
-            txt = re.sub(r"^AF_initDataCallback\({.*key: 'ds:(\d)'.+data:(.+), sideChannel: {.*}}\);?$",
-                         "\\2", txt, 0, re.DOTALL)
-
-            meta = json.loads(txt)
-            data = meta[31][0][12][2]
-
-            uris = [img[1][3][0] for img in data if img[0] == 1]
+            #txt = re.sub(r"^AF_initDataCallback\({.*key: 'ds:(\d)'.+data:function\(\){return (.+)}}\);?$",
+            #             "\\2", txt, 0, re.DOTALL)
+            #meta = json.loads(txt)
+            #data = meta[31][0][12][2]
+            #uris = [img[1][3][0] for img in data if img[0] == 1]
+            
+            uris = re.findall(r'http.*?\.(?:jpg|png|bmp)', txt)
             return [{'file_url': uri} for uri in uris]