Clean up repository implementation

Author: elopez

solc_select/repositories.py

@@ -62,6 +62,21 @@ def available_versions(self) -> Dict[str, str]:
         all_releases = list_data["releases"]
         return self._filter_versions(all_releases)
 
+    @property
+    @lru_cache(maxsize=5)  # noqa: B019
+    def latest_version(self) -> SolcVersion:
+        """Get the latest available version.
+
+        Default implementation parses from available versions.
+        Subclasses can override this for more efficient implementations.
+        """
+        versions = self.available_versions
+        if not versions:
+            raise ValueError("No versions available")
+
+        version_objs = [SolcVersion.parse(v) for v in versions]
+        return max(version_objs)
+
     def _filter_versions(self, releases: Dict[str, str]) -> Dict[str, str]:
         """Filter versions based on repository-specific criteria.
 
@@ -216,7 +231,9 @@ def __init__(self, platform: Platform, session: requests.Session):
         if platform.os_type == "darwin" and platform.architecture == "arm64":
             self.repositories.append(AlloyRepository(session))
 
-    def get_available_versions(self) -> Dict[str, str]:
+    @property
+    @lru_cache(maxsize=5)  # noqa: B019
+    def available_versions(self) -> Dict[str, str]:
         """Get all available versions from all repositories."""
         all_versions = {}
 
@@ -230,27 +247,30 @@ def get_available_versions(self) -> Dict[str, str]:
 
         return all_versions
 
+    @property
+    @lru_cache(maxsize=5)  # noqa: B019
+    def latest_version(self) -> SolcVersion:
+        """Get the latest version across all repositories."""
+        latest_versions = []
+
+        for repo in self.repositories:
+            try:
+                latest_versions.append(repo.latest_version)
+            except (ValueError, requests.RequestException):
+                # Continue if one repository fails
+                continue
+
+        if not latest_versions:
+            raise ValueError("No versions available from any repository")
+
+        return max(latest_versions)
+
     def get_repository_for_version(self, version: SolcVersion) -> AbstractSolcRepository:
         """Get the appropriate repository for a specific version."""
-        # Check for platform-specific repositories (including Crytic special cases)
+        # Check for platform-specific repositories
         for repo in reversed(self.repositories):  # Check specialized repos first
             if repo.supports_version(version, self.platform):
                 return repo
 
         # Fallback to main soliditylang repository
         return self.repositories[0]
-
-    def get_latest_version(self) -> SolcVersion:
-        """Get the latest version from the main repository."""
-        main_repo = self.repositories[0]
-        if isinstance(main_repo, SoliditylangRepository):
-            return main_repo.latest_version
-
-        # Fallback: parse from available versions
-        versions = self.get_available_versions()
-        if not versions:
-            raise ValueError("No versions available")
-
-        version_objs = [SolcVersion.parse(v) for v in versions]
-        latest = max(version_objs)
-        return latest

solc_select/services/version_manager.py

@@ -29,7 +29,7 @@ def get_available_versions(self) -> List[SolcVersion]:
         Returns:
             List of available versions sorted by version number
         """
-        releases = self.repository.get_available_versions()
+        releases = self.repository.available_versions
         versions = []
 
         for version_str in releases:
@@ -54,7 +54,7 @@ def get_latest_version(self) -> SolcVersion:
         Raises:
             ValueError: If no versions are available
         """
-        return self.repository.get_latest_version()
+        return self.repository.latest_version
 
     def validate_version(self, version_str: str) -> SolcVersion:
         """Validate and parse a version string.