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feat: Add comprehensive UV error handling and installation guidance 

- Enhanced FindUvPath() to return null when UV is not found
- Added detailed installation instructions for all platforms
- Implemented null checks in all UV usage points
- Added cross-platform path resolution for Windows, macOS, and Linux
- Improved user experience with clear error messages instead of silent failures
- Prevents 'spawn uv ENOENT' errors by using full paths and proper validation
main
David Sarno 2025-07-28 11:55:08 -07:00
parent cb59b08b51
commit 2749b4e0c0
1 changed files with 100 additions and 4 deletions
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104
UnityMcpBridge/Editor/Windows/UnityMcpEditorWindow.cs
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@ -373,6 +373,13 @@ namespace UnityMcpBridge.Editor.Windows
if (mcpClient.mcpType == McpTypes.VSCode)
{
string pythonDir = FindPackagePythonDirectory();
string uvPath = FindUvPath();
if (uvPath == null)
{
UnityEngine.Debug.LogError("UV package manager not found. Cannot configure VSCode.");
return;
}
var vscodeConfig = new
{
mcp = new
@ -381,7 +388,7 @@ namespace UnityMcpBridge.Editor.Windows
{
unityMCP = new
{
command = "uv",
command = uvPath,
args = new[] { "--directory", pythonDir, "run", "server.py" }
}
}
@ -425,10 +432,16 @@ namespace UnityMcpBridge.Editor.Windows
private string WriteToConfig(string pythonDir, string configPath, McpClient mcpClient = null)
{
string uvPath = FindUvPath();
if (uvPath == null)
{
return "UV package manager not found. Please install UV first.";
}
// Create configuration object for unityMCP
McpConfigServer unityMCPConfig = new()
{
command = "uv",
command = uvPath,
args = new[] { "--directory", pythonDir, "run", "server.py" },
};
@ -541,13 +554,20 @@ namespace UnityMcpBridge.Editor.Windows
default:
// Create standard MCP configuration for other clients
string uvPath = FindUvPath();
if (uvPath == null)
{
UnityEngine.Debug.LogError("UV package manager not found. Cannot configure manual setup.");
return;
}
McpConfig jsonConfig = new()
{
mcpServers = new McpConfigServers
{
unityMCP = new McpConfigServer
{
command = "uv",
command = uvPath,
args = new[] { "--directory", pythonDir, "run", "server.py" },
},
},
@ -714,13 +734,20 @@ namespace UnityMcpBridge.Editor.Windows
string pythonDir = FindPackagePythonDirectory();
// Create the manual configuration message
string uvPath = FindUvPath();
if (uvPath == null)
{
UnityEngine.Debug.LogError("UV package manager not found. Cannot configure manual setup.");
return;
}
McpConfig jsonConfig = new()
{
mcpServers = new McpConfigServers
{
unityMCP = new McpConfigServer
{
command = "uv",
command = uvPath,
args = new[] { "--directory", pythonDir, "run", "server.py" },
},
},
@ -1014,6 +1041,75 @@ namespace UnityMcpBridge.Editor.Windows
}
}
private string FindUvPath()
{
string uvPath = null;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
uvPath = FindWindowsUvPath();
}
else
{
// macOS/Linux paths
string[] possiblePaths = {
"/Library/Frameworks/Python.framework/Versions/3.13/bin/uv",
"/usr/local/bin/uv",
"/opt/homebrew/bin/uv",
"/usr/bin/uv"
};
foreach (string path in possiblePaths)
{
if (File.Exists(path))
{
uvPath = path;
break;
}
}
// If not found in common locations, try to find via which command
if (uvPath == null)
{
try
{
var psi = new ProcessStartInfo
{
FileName = "which",
Arguments = "uv",
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true
};
using var process = Process.Start(psi);
string output = process.StandardOutput.ReadToEnd().Trim();
process.WaitForExit();
if (!string.IsNullOrEmpty(output) && File.Exists(output))
{
uvPath = output;
}
}
catch
{
// Ignore errors
}
}
}
if (uvPath == null)
{
UnityEngine.Debug.LogError("UV package manager not found! Please install UV first:\n" +
"• macOS/Linux: curl -LsSf https://astral.sh/uv/install.sh | sh\n" +
"• Windows: pip install uv\n" +
"• Or visit: https://docs.astral.sh/uv/getting-started/installation");
return null;
}
return uvPath;
}
private string FindWindowsUvPath()
{
string appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);