Rewrote the library

- Only HTTPClient, File and Object exists currently

github/errors.py

@@ -0,0 +1,48 @@
+from __future__ import annotations
+
+__all__ = ("GitHubError", "BaseHTTPError", "HTTPError", "RatelimitReached")
+
+from datetime import datetime, timezone
+from typing import TYPE_CHECKING
+
+from .utils import human_readable_time_until
+
+if TYPE_CHECKING:
+    from aiohttp import ClientResponse
+
+
+class GitHubError(Exception):
+    """The base class for all errors raised in this library."""
+
+
+class BaseHTTPError(GitHubError):
+    """The base class for all HTTP related errors in this library."""
+
+
+class HTTPError(BaseHTTPError):
+    """Raised when an HTTP request doesn't respond with a successfull code."""
+
+    def __init__(self, response: ClientResponse, /) -> None:
+        self.method = response.method
+        self.code = response.status
+        self.url = response.url
+        self._response = response
+
+    def __str__(self) -> str:
+        return (
+            f"An HTTP error with the code {self.code} has occured while trying to do a"
+            f" {self.method} request to the URL {self.url}"
+        )
+
+
+class RatelimitReached(GitHubError):
+    """Raised when a ratelimit is reached."""
+
+    def __init__(self, reset_time: datetime, /) -> None:
+        self.reset_time = reset_time
+
+    def __str__(self) -> str:
+        return (
+            "The ratelimit has been reached. You can try again in"
+            f" {human_readable_time_until(datetime.now(timezone.utc) - self.reset_time)}"
+        )