initial commit

LICENSE

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+The MIT License (MIT)
+
+Copyright © 2021 Unbewohne | Nikolay Kasyanov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# rtvis
+## Reddit to VK image sender
+
+A very minimal, simple and non-professional utility
+to send images from a subreddit to a VK chat. 

reddit_to_vk_image_sender.py

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+import vk_api, os, praw, time, requests, datetime, pathlib
+from vk_api import VkUpload
+
+
+class vk_reddit_sender:    
+    def __init__(
+        self,
+        reddit_client_id: str,
+        reddit_client_secret: str,
+        vk_api_key: str,
+        vk_is_group_chat: bool,
+        vk_receiver_id: int,
+        ):
+        # set default variables
+        self.allowed_extentions = ["png", "webp", "jpeg", "jpg"]
+        self.vk_is_group_chat = False
+        self.vk_first_message = ""
+        self.subreddit = "all"
+        self.post_limit = 15
+    
+        self.script_path = pathlib.Path(__file__).parent.resolve()
+    
+        # process input    
+        self.reddit_client_id = reddit_client_id
+        self.reddit_client_secret = reddit_client_secret
+        
+        self.vk_api_key = vk_api_key
+        self.vk_is_group_chat = vk_is_group_chat
+        self.vk_receiver_id = vk_receiver_id
+        
+        pass
+
+    def get_vk(self) -> vk_api.VkApi:
+        vk = vk_api.VkApi(token=self.vk_api_key).get_api()
+        return vk
+
+    def get_reddit(self) -> praw.Reddit: 
+        reddit = praw.Reddit(
+        client_id = self.reddit_client_id,
+        client_secret = self.reddit_client_secret,
+        redirect_uri="http://localhost:8080",
+        user_agent="Mozilla/5.0 (Macintosh; Intel Mac OS X x.y; rv:42.0) Gecko/20100101 Firefox/42.0",
+        )
+
+        reddit.read_only = True
+        
+        return reddit
+
+
+    def get_file_extention(self, filename: str) -> str:
+        extention = filename.split(".")[-1:][0]
+        return extention
+
+    def save_from_url(self, url: str, filename: str):
+        content_bytes = requests.get(url).content
+        
+        with open(filename, "wb") as f:
+            f.truncate()
+            f.write(content_bytes)
+        
+        pass
+
+    def run(self):
+        # initialise vk and reddit clients
+        vk = self.get_vk()
+        reddit = self.get_reddit()
+        
+        # get posts from a subreddit
+        subreddit = reddit.subreddit(self.subreddit)
+        posts = subreddit.hot(limit = self.post_limit)
+
+
+        first_message = True
+        for post in posts:
+            # skip stickied and pinned posts        
+            if post.pinned or post.stickied:
+                continue
+            
+            # temporarily save image from a Reddit post
+            extention = self.get_file_extention(post.url)
+
+            # skip non-image extentions
+            if extention not in self.allowed_extentions:
+                continue
+            
+            filename = f"temp_image.{extention}"
+            full_path_to_temp_file = os.path.join(self.script_path, filename)
+            self.save_from_url(post.url, full_path_to_temp_file)
+
+            # upload it to VK
+            uploader = VkUpload(vk)
+            uploaded_img = uploader.photo_messages(full_path_to_temp_file)[0]
+            
+            # remove temporary image
+            os.remove(full_path_to_temp_file)
+            
+            # send images to the chat
+            if self.vk_is_group_chat and first_message:
+                vk.messages.send(
+                    chat_id = self.vk_receiver_id,
+                    message = self.vk_first_message,
+                    attachment = "photo{}_{}".format(uploaded_img['owner_id'], uploaded_img['id']),
+                    random_id = 0)
+                first_message = False
+            elif self.vk_is_group_chat and not first_message:
+                vk.messages.send(
+                    chat_id = self.vk_receiver_id,
+                    attachment = "photo{}_{}".format(uploaded_img['owner_id'], uploaded_img['id']),
+                    random_id = 0)
+            
+            if not self.vk_is_group_chat and first_message:
+                    vk.messages.send(
+                        user_id = self.vk_receiver_id,
+                        message = self.vk_first_message,
+                        attachment = "photo{}_{}".format(uploaded_img['owner_id'], uploaded_img['id']),
+                        random_id = 0)
+                    first_message = False
+            elif not self.vk_is_group_chat and not first_message:
+                    vk.messages.send(
+                        user_id = self.vk_receiver_id,
+                        attachment = "photo{}_{}".format(uploaded_img['owner_id'], uploaded_img['id']),
+                        random_id = 0)
+                           
+            # give VK a bit of rest 
+            time.sleep(3)
+        pass
+
+
+if __name__ == "__main__":
+    vk_api_key = ""
+    reddit_client_id = ""
+    reddit_client_secret = ""
+    group_chat = False
+    receiver_id = 0
+    
+    sender = vk_reddit_sender(
+        reddit_client_id=reddit_client_id,
+        reddit_client_secret=reddit_client_secret,
+        vk_api_key=vk_api_key,
+        vk_is_group_chat=group_chat,
+        vk_receiver_id=receiver_id,
+    )
+    sender.run()