feat: Update version to 1.1.1 and add update checking functionality

unshackle/core/update_checker.py

@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+import asyncio
+from typing import Optional
+
+import requests
+
+
+class UpdateChecker:
+    """Check for available updates from the GitHub repository."""
+
+    REPO_URL = "https://api.github.com/repos/unshackle-dl/unshackle/releases/latest"
+    TIMEOUT = 5
+
+    @staticmethod
+    def _compare_versions(current: str, latest: str) -> bool:
+        """
+        Simple semantic version comparison.
+
+        Args:
+            current: Current version string (e.g., "1.1.0")
+            latest: Latest version string (e.g., "1.2.0")
+
+        Returns:
+            True if latest > current, False otherwise
+        """
+        try:
+            current_parts = [int(x) for x in current.split(".")]
+            latest_parts = [int(x) for x in latest.split(".")]
+
+            max_length = max(len(current_parts), len(latest_parts))
+            current_parts.extend([0] * (max_length - len(current_parts)))
+            latest_parts.extend([0] * (max_length - len(latest_parts)))
+
+            for current_part, latest_part in zip(current_parts, latest_parts):
+                if latest_part > current_part:
+                    return True
+                elif latest_part < current_part:
+                    return False
+
+            return False
+        except (ValueError, AttributeError):
+            return False
+
+    @classmethod
+    async def check_for_updates(cls, current_version: str) -> Optional[str]:
+        """
+        Check if there's a newer version available on GitHub.
+
+        Args:
+            current_version: The current version string (e.g., "1.1.0")
+
+        Returns:
+            The latest version string if an update is available, None otherwise
+        """
+        try:
+            loop = asyncio.get_event_loop()
+            response = await loop.run_in_executor(None, lambda: requests.get(cls.REPO_URL, timeout=cls.TIMEOUT))
+
+            if response.status_code != 200:
+                return None
+
+            data = response.json()
+            latest_version = data.get("tag_name", "").lstrip("v")
+
+            if not latest_version:
+                return None
+
+            if cls._compare_versions(current_version, latest_version):
+                return latest_version
+
+        except Exception:
+            pass
+
+        return None
+
+    @classmethod
+    def check_for_updates_sync(cls, current_version: str) -> Optional[str]:
+        """
+        Synchronous version of update check.
+
+        Args:
+            current_version: The current version string (e.g., "1.1.0")
+
+        Returns:
+            The latest version string if an update is available, None otherwise
+        """
+        try:
+            response = requests.get(cls.REPO_URL, timeout=cls.TIMEOUT)
+
+            if response.status_code != 200:
+                return None
+
+            data = response.json()
+            latest_version = data.get("tag_name", "").lstrip("v")
+
+            if not latest_version:
+                return None
+
+            if cls._compare_versions(current_version, latest_version):
+                return latest_version
+
+        except Exception:
+            pass
+
+        return None