Added a sample config file and made metadata export to a json (hardik…

…vasa#132)

* Added sample config & export to json instead of txt

* Fixed typo

* Added logs to .gitignore

.gitignore

@@ -46,3 +46,6 @@ output/
 
 # Downloads
 downloads/
+
+# Logs
+logs/

google_images_download/google_images_download.py

@@ -843,16 +843,16 @@ def download(self,arguments):
                     items,errorCount,abs_path = self._get_all_items(raw_html,main_directory,dir_name,limit,arguments)    #get all image items and download images
                     paths[pky + search_keyword[i] + sky] = abs_path
 
-                    #dumps into a text file
+                    #dumps into a json file
                     if arguments['extract_metadata']:
                         try:
                             if not os.path.exists("logs"):
                                 os.makedirs("logs")
                         except OSError as e:
                             print(e)
-                        text_file = open("logs/"+search_keyword[i]+".txt", "w")
-                        text_file.write(json.dumps(items, indent=4, sort_keys=True))
-                        text_file.close()
+                        json_file = open("logs/"+search_keyword[i]+".json", "w")
+                        json.dump(items, json_file, indent=4, sort_keys=True)
+                        json_file.close()
 
                     #Related images
                     if arguments['related_images']:

google_images_download/sample_config.json

@@ -0,0 +1,16 @@
+{
+    "Records": [
+        {
+            "keywords": "apple",
+            "limit": 5,
+            "color": "green",
+            "print_urls": true
+        },
+        {
+            "keywords": "universe",
+            "limit": 15,
+            "size": "large",
+            "print_urls": true
+        }
+    ]
+}