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fe02c9b95f
## Summary Relate to #17284 . - Add `usage_parser.go`: `extractOpenAIUsage` / `extractOpenAIStreamUsage` with multi-field fallback (`prompt_tokens`/`input_tokens`, `completion_tokens`/`output_tokens`). - Add `parser_config.go`: `ParserConfig` struct and `OpenAIParserConfig`. - Add `response_handler.go`: `HandleNonStreamingResponse` / `HandleStreamingResponse` as single entry points that extract usage, populate `chatConfig.UsageResult`, and emit a `StreamUsage` log. - Extend `base_model.go` with `doRequest` / `doStreamRequest`. - Migrate `deepseek` driver to shared handlers, cutting ~100 lines. - Add `usage_parser_test.go`. --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Haruko386 <tryeverypossible@163.com> Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package models
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import "encoding/json"
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// extractOpenAIUsage extracts token usage from an OpenAI-compatible
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// non-streaming response body. Returns (nil, false) when the response
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// carries no usable usage block.
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func extractOpenAIUsage(body map[string]any) (*TokenUsage, bool) {
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rawUsage, ok := body["usage"].(map[string]any)
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if !ok {
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return nil, false
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}
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return tokenUsageFromRaw(rawUsage), true
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}
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// extractOpenAIStreamUsage extracts token usage from one OpenAI-compatible
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// streaming event. A missing or null usage field is not an error.
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func extractOpenAIStreamUsage(event map[string]any) (*TokenUsage, bool) {
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rawUsage, ok := event["usage"].(map[string]any)
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if !ok || rawUsage == nil {
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return nil, false
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}
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return tokenUsageFromRaw(rawUsage), true
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}
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func tokenUsageFromRaw(rawUsage map[string]any) *TokenUsage {
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usage := &TokenUsage{}
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usage.PromptTokens = extractToken(rawUsage, "prompt_tokens", "input_tokens")
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usage.CompletionTokens = extractToken(rawUsage, "completion_tokens", "output_tokens")
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usage.TotalTokens = extractToken(rawUsage, "total_tokens")
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if usage.TotalTokens == 0 {
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usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
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}
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return usage
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}
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// extractToken reads a numeric field from a map, trying each key in order.
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// Returns 0 when no key is present or the value is not a number.
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func extractToken(m map[string]any, keys ...string) int {
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for _, k := range keys {
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if v, ok := m[k]; ok {
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switch val := v.(type) {
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case float64:
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return int(val)
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case int:
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return val
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case int64:
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return int(val)
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case json.Number:
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if n, err := val.Int64(); err == nil {
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return int(n)
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}
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}
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}
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}
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return 0
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}
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