feat: add PPIO as model provider

relay/adaptor/ppio/constants.go

@@ -0,0 +1,25 @@
+package ppio
+
+// https://api.ppinfra.com/v3/openai/v1/models
+
+var ModelList = []string{
+	"deepseek/deepseek-r1/community",
+	"deepseek/deepseek-v3/community",
+	"deepseek/deepseek-r1",
+	"deepseek/deepseek-v3",
+	"deepseek/deepseek-r1-distill-llama-70b",
+	"deepseek/deepseek-r1-distill-qwen-32b",
+	"deepseek/deepseek-r1-distill-qwen-14b",
+	"deepseek/deepseek-r1-distill-llama-8b",
+	"qwen/qwen-2.5-72b-instruct",
+	"qwen/qwen-2-vl-72b-instruct",
+	"meta-llama/llama-3.2-3b-instruct",
+	"qwen/qwen2.5-32b-instruct",
+	"baichuan/baichuan2-13b-chat",
+	"meta-llama/llama-3.1-70b-instruct",
+	"meta-llama/llama-3.1-8b-instruct",
+	"01-ai/yi-1.5-34b-chat",
+	"01-ai/yi-1.5-9b-chat",
+	"thudm/glm-4-9b-chat",
+	"qwen/qwen-2-7b-instruct",
+}

relay/adaptor/ppio/main.go

@@ -0,0 +1,15 @@
+package ppio
+
+import (
+	"fmt"
+
+	"github.com/songquanpeng/one-api/relay/meta"
+	"github.com/songquanpeng/one-api/relay/relaymode"
+)
+
+func GetRequestURL(meta *meta.Meta) (string, error) {
+	if meta.Mode == relaymode.ChatCompletions {
+		return fmt.Sprintf("%s/chat/completions", meta.BaseURL), nil
+	}
+	return "", fmt.Errorf("unsupported relay mode %d for ppio", meta.Mode)
+}