improved function to connect to the internet

src/music_kraken/connection/connection.py

@@ -0,0 +1,153 @@
+from typing import List, Dict, Callable, Optional, Set
+from urllib.parse import urlparse, urlunsplit
+import logging
+
+import requests
+
+from .rotating import RotatingProxy
+from ..utils.shared import PROXIES_LIST
+
+LOGGER = logging.getLogger("connection")
+
+
+class Connection:
+    def __init__(
+            self,
+            host: str,
+            proxies: List[dict] = None,
+            tries: int = (len(PROXIES_LIST) + 1) * 2,
+            timeout: int = 7,
+            header_values: Dict[str, str] = None,
+            session: requests.Session = None,
+            accepted_response_codes: Set[int] = None,
+            semantic_not_found: bool = True
+    ):
+        if proxies is None:
+            proxies = PROXIES_LIST
+        if header_values is None:
+            header_values = dict()
+
+        self.LOGGER = LOGGER
+        self.HOST = urlparse(host)
+        self.TRIES = tries
+        self.TIMEOUT = timeout
+        self.rotating_proxy = RotatingProxy(proxy_list=proxies)
+
+        self.ACCEPTED_RESPONSE_CODES = accepted_response_codes or {200}
+        self.SEMANTIC_NOT_FOUND = semantic_not_found
+
+        self.session: requests.Session = session
+        if self.session is None:
+            self.new_session(**header_values)
+        else:
+            self.rotating_proxy.register_session(session)
+            self.set_header()
+
+    @property
+    def base_url(self):
+        return urlunsplit((self.HOST.scheme, self.HOST.netloc, "", "", ""))
+
+    def new_session(self, **header_values):
+        session = requests.Session()
+        session.headers = self.get_header(**header_values)
+        self.rotating_proxy.register_session(session)
+        self.session = session
+
+    def get_header(self, **header_values) -> Dict[str, str]:
+        return {
+            "user-agent": "Mozilla/5.0 (X11; Linux x86_64; rv:106.0) Gecko/20100101 Firefox/106.0",
+            "Connection": "keep-alive",
+            "Host": self.HOST.netloc,
+            "Referer": self.base_url,
+            **header_values
+        }
+
+    def set_header(self, **header_values):
+        self.session.headers = self.get_header(**header_values)
+
+    def rotate(self):
+        self.rotating_proxy.rotate()
+
+    def _request(
+            self,
+            request: Callable,
+            try_count: int,
+            accepted_response_code: set,
+            url: str,
+            **kwargs
+    ) -> Optional[requests.Response]:
+        if try_count >= self.TRIES:
+            return
+
+        retry = False
+        try:
+            r = request(url=url, **kwargs)
+        except requests.exceptions.Timeout:
+            self.LOGGER.warning(f"Request timed out at \"{url}\": ({try_count}-{self.TRIES})")
+            retry = True
+        except requests.exceptions.ConnectionError:
+            self.LOGGER.warning(f"Couldn't connect to \"{url}\": ({try_count}-{self.TRIES})")
+            retry = True
+
+        if not retry:
+            if self.SEMANTIC_NOT_FOUND and r.status_code == 404:
+                self.LOGGER.warning(f"Couldn't find url (404): {url}")
+                return
+            if r.status_code in accepted_response_code:
+                return r
+
+        if not retry:
+            self.LOGGER.warning(f"{self.HOST.netloc} responded wit {r.status_code} "
+                                f"at {url}. ({try_count}-{self.TRIES})")
+            self.LOGGER.debug(r.content)
+
+        self.rotate()
+
+        return self._request(
+            request=request,
+            try_count=try_count,
+            accepted_response_code=accepted_response_code,
+            url=url,
+            **kwargs
+        )
+
+    def get(
+            self,
+            url: str,
+            stream: bool = False,
+            accepted_response_codes: set = None,
+            **kwargs
+    ) -> Optional[requests.Response]:
+        r = self._request(
+            request=self.session.get,
+            try_count=0,
+            accepted_response_code=accepted_response_codes or self.ACCEPTED_RESPONSE_CODES,
+            url=url,
+            stream=stream,
+            **kwargs
+        )
+        if r is None:
+            self.LOGGER.warning(f"Max attempts ({self.TRIES}) exceeded for: GET:{url}")
+        return r
+
+    def post(
+            self,
+            url: str,
+            json: dict,
+            stream: bool = False,
+            accepted_response_codes: set = None,
+            **kwargs
+    ) -> Optional[requests.Response]:
+        r = self._request(
+            request=self.session.post,
+            try_count=0,
+            accepted_response_code=accepted_response_codes or self.ACCEPTED_RESPONSE_CODES,
+            url=url,
+            json=json,
+            stream=stream,
+            **kwargs
+        )
+        if r is None:
+            self.LOGGER.warning(f"Max attempts ({self.TRIES}) exceeded for: GET:{url}")
+            self.LOGGER.warning(f"payload: {json}")
+        return r

src/music_kraken/connection/rotating.py

@@ -0,0 +1,56 @@
+from typing import Dict, List
+
+import requests
+
+
+class RotatingObject:
+    """
+    This will be used for RotatingProxies and invidious instances.
+    """
+    def __init__(self, object_list: list):
+        self._object_list: list = object_list
+
+        if len(self._object_list) <= 0:
+            raise ValueError("There needs to be at least one item in a Rotating structure.")
+
+        self._current_index = 0
+
+    @property
+    def object(self):
+        return self._object_list[self._current_index]
+
+    def __len__(self):
+        return len(self._object_list)
+
+    @property
+    def next(self):
+        self._current_index = (self._current_index + 1) % len(self._object_list)
+
+        return self._object_list[self._current_index]
+
+
+class RotatingProxy(RotatingObject):
+    def __init__(self, proxy_list: List[Dict[str, str]], session_list: List[requests.Session] = None):
+        self._session_list: List[requests.Session] = session_list
+        if self._session_list is None:
+            self._session_list = []
+
+        super().__init__(proxy_list if len(proxy_list) > 0 else [{}])
+
+    def register_session(self, session: requests.Session):
+        self._session_list.append(session)
+        session.proxies = self.current_proxy
+
+    def rotate(self):
+        new_proxy = self.next
+
+        for session in self._session_list:
+            session.proxies = new_proxy
+
+    @property
+    def current_proxy(self) -> Dict[str, str]:
+        return super().object
+
+    @property
+    def next(self) -> Dict[str, str]:
+        return super().object

src/music_kraken/utils/config/connection.py

@@ -14,6 +14,7 @@ class ProxAttribute(ListAttribute):
             'ftp': value
         }
 
+
 class UrlListAttribute(ListAttribute):
     def validate(self, value: str):
         v = value.strip()
@@ -24,10 +25,9 @@ class UrlListAttribute(ListAttribute):
                 setting_value=v,
                 rule="has to be a valid url"
             )
-    
+
     def single_object_from_element(self, value: str):
         return urlparse(value)
-    
 
 
 class ConnectionSection(Section):
@@ -62,7 +62,7 @@ class ConnectionSection(Section):
                         "all the error messages are shown.",
             value="0.3"
         )
-        
+
         # INVIDIOUS INSTANCES LIST
         self.INVIDIOUS_INSTANCE_LIST = UrlListAttribute(
             name="invidious_instances",
@@ -80,6 +80,8 @@ class ConnectionSection(Section):
         # INVIDIOUS PROXY
         self.INVIDIOUS_PROXY_VIDEOS = BoolAttribute(
             name="invidious_proxy_video",
+            value="false",
+            description="Downloads the videos using the given instances."
         )
 
         self.attribute_list = [

src/music_kraken/utils/shared.py

@@ -1,7 +1,7 @@
 import logging
 import random
 from pathlib import Path
-from typing import List, Tuple, Set
+from typing import List, Tuple, Set, Dict
 
 from .path_manager import LOCATIONS
 from .config import LOGGING_SECTION, AUDIO_SECTION, CONNECTION_SECTION, MISC_SECTION, PATHS_SECTION
@@ -77,6 +77,7 @@ DEFAULT_VALUES = {
 }
 
 TOR: bool = CONNECTION_SECTION.USE_TOR.object_from_value
+PROXIES_LIST: List[Dict[str, str]] = CONNECTION_SECTION.PROXIES.object_from_value
 proxies = {}
 if len(CONNECTION_SECTION.PROXIES) > 0:
     """