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56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
# Copyright (c) 2026 PaddlePaddle 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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import json
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from typing import List, Union
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from typing_extensions import override
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from mcp.types import ImageContent, TextContent
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from ..inference.types import InferenceResult, OCRResult
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from .base import Task
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class OCRTask(Task):
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@property
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@override
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def tool_name(self) -> str:
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return "ocr"
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@override
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def _format_result(
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self, result: InferenceResult, detailed: bool, **kwargs
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) -> Union[str, List[Union[TextContent, ImageContent]]]:
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if not isinstance(result, OCRResult):
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raise TypeError(f"OCRTask expected OCRResult, got {type(result).__name__}")
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if not result.text.strip():
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return (
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"No text detected"
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if not detailed
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else json.dumps({"error": "No text detected"}, ensure_ascii=False)
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)
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if detailed:
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return json.dumps(result.to_dict(), ensure_ascii=False, indent=2)
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confidence = result.confidence
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text_line_count = len(result.text_lines)
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output = result.text
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if confidence > 0:
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output += f"\n\nConfidence: {(confidence * 100):.1f}% | {text_line_count} text lines"
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return output
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