Hein
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by the license
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// that can be found in the LICENSE file.
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// Package mcpgodebug provides a mechanism to configure compatibility parameters
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// via the MCPGODEBUG environment variable.
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//
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// The value of MCPGODEBUG is a comma-separated list of key=value pairs.
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// For example:
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//
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// MCPGODEBUG=someoption=1,otheroption=value
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package mcpgodebug
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import (
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"fmt"
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"os"
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"strings"
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)
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const compatibilityEnvKey = "MCPGODEBUG"
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var compatibilityParams map[string]string
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func init() {
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var err error
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compatibilityParams, err = parseCompatibility(os.Getenv(compatibilityEnvKey))
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if err != nil {
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panic(err)
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}
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}
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// Value returns the value of the compatibility parameter with the given key.
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// It returns an empty string if the key is not set.
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func Value(key string) string {
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return compatibilityParams[key]
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}
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func parseCompatibility(envValue string) (map[string]string, error) {
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if envValue == "" {
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return nil, nil
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}
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params := make(map[string]string)
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for part := range strings.SplitSeq(envValue, ",") {
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k, v, ok := strings.Cut(part, "=")
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if !ok {
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return nil, fmt.Errorf("MCPGODEBUG: invalid format: %q", part)
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}
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params[strings.TrimSpace(k)] = strings.TrimSpace(v)
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}
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return params, nil
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}
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