VWED_server/services/smap_to_scene_converter.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
交互式场景转换器 v2.0
用于指导用户填写必填参数并执行转换流程
支持Scene转换和华睿地图转换
"""
import os
import sys
import json
import logging
from pathlib import Path
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from services.map_tools.convert_basic import SceneBasicConverter
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# 设置logger
logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s %(message)s')
def save_uploaded_file(file_obj, filename):
"""
保存上传的文件到指定目录
file_obj: 文件对象或内容
filename: 保存的文件名
返回保存后的绝对路径
"""
upload_dir = os.path.join(os.path.dirname(__file__), 'map_converter', 'uploads')
if not os.path.exists(upload_dir):
os.makedirs(upload_dir)
save_path = os.path.join(upload_dir, filename)
# file_obj 可能是文件对象或字节内容
if hasattr(file_obj, 'read'):
content = file_obj.read()
else:
content = file_obj
# 如果是bytes则直接写否则以文本写
mode = 'wb' if isinstance(content, bytes) else 'w'
with open(save_path, mode, encoding=None if mode=='wb' else 'utf-8') as f:
f.write(content)
return save_path
def convert_smap_to_scene(smap_file, scene_file=None):
"""
smap_file/scene_file: 可以是文件路径文件对象或内容
自动完成scene转换若scene_file不为空则自动丰富场景
"""
import time
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from services.map_tools.convert_basic import SceneBasicConverter
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# 如果传入的是文件对象或内容,则先保存
if not isinstance(smap_file, str) or not os.path.exists(smap_file):
smap_path = save_uploaded_file(smap_file, f'smap_{int(time.time())}.smap')
else:
smap_path = smap_file
scene_path = ''
if scene_file:
if not isinstance(scene_file, str) or not os.path.exists(scene_file):
scene_path = save_uploaded_file(scene_file, f'scene_{int(time.time())}.scene')
else:
scene_path = scene_file
params = {}
params['smap_file'] = smap_path
params['scene_file'] = scene_path
params['scene_id'] = int(time.time())
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# 第一阶段转换固定使用 converter.scene
intermediate_output_file = 'converter.scene'
# 最终输出文件名为smap文件同名的scene文件
final_output_file = str(Path(smap_path).with_suffix('.scene').name)
params['output_file'] = intermediate_output_file
params['final_output_file'] = final_output_file
params['scene_name'] = Path(final_output_file).stem
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params['scale'] = 0.66
params['origin'] = {'x': 0, 'y': 0}
params['setting'] = ''
params['ratio'] = 100
logger.info("==== 开始Scene转换 ====")
logger.info(f"SMAP文件: {params['smap_file']}")
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logger.info(f"中间输出文件: {params['output_file']}")
logger.info(f"最终输出文件: {params['final_output_file']}")
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logger.info(f"场景ID: {params['scene_id']}")
logger.info(f"场景名称: {params['scene_name']}")
logger.info(f"比例: {params['scale']}, 原点: {params['origin']}, 设置: {params['setting']}, 比率: {params['ratio']}")
try:
converter = SceneBasicConverter(
scene_id=params['scene_id'],
setting=params['setting'],
ratio=params['ratio']
)
result = converter.convert_basic(
smap_file=params['smap_file'],
scene_file=params['scene_file'],
output_file=params['output_file']
)
# 更新自定义参数
result['name'] = params['scene_name']
result['scale'] = params['scale']
result['origin'] = params['origin']
with open(params['output_file'], 'w', encoding='utf-8') as f:
json.dump(result, f, indent=2, ensure_ascii=False)
# coordinate_system.json
coordinate_data = {
'scale': result['scale'],
'origin': result['origin']
}
converted_dir = "converted"
if not os.path.exists(converted_dir):
os.makedirs(converted_dir)
with open(f"{converted_dir}/coordinate_system.json", 'w', encoding='utf-8') as f:
json.dump(coordinate_data, f, indent=2, ensure_ascii=False)
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logger.info(f"✓ Scene转换完成中间文件已保存到: {params['output_file']}")
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except Exception as e:
logger.error(f"✗ Scene转换过程中出现错误: {str(e)}")
return
# 自动丰富场景
if scene_path:
try:
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from services.map_tools.enrich_scene import SceneEnricher
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logger.info("==== 自动执行场景丰富化 ====")
enricher = SceneEnricher(params['output_file'], params['scene_file'])
enricher.enrich(params['output_file'])
logger.info("✓ 场景丰富化完成!")
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# 重新读取场景丰富化后的文件内容,更新返回结果
try:
with open(params['output_file'], 'r', encoding='utf-8') as f:
result = json.load(f)
logger.info("✓ 已重新加载场景丰富化后的数据")
except Exception as e:
logger.error(f"✗ 重新加载场景丰富化后数据失败: {str(e)}")
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except Exception as e:
logger.error(f"✗ 场景丰富化过程中出现错误: {str(e)}")
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# 最终重命名输出文件
try:
import shutil
if os.path.exists(params['output_file']):
shutil.move(params['output_file'], params['final_output_file'])
logger.info(f"✓ 输出文件已重命名为: {params['final_output_file']}")
# 如果没有进行场景丰富化,但进行了文件重命名,需要确保返回的数据是最新的
# 因为result在场景丰富化时已经更新过所以这里只处理未进行丰富化的情况
if not scene_path:
try:
with open(params['final_output_file'], 'r', encoding='utf-8') as f:
result = json.load(f)
logger.info("✓ 已重新加载最终文件数据")
except Exception as e:
logger.error(f"✗ 重新加载最终文件数据失败: {str(e)}")
else:
logger.warning(f"中间文件 {params['output_file']} 不存在,无法重命名")
except Exception as e:
logger.error(f"✗ 文件重命名过程中出现错误: {str(e)}")
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logger.info("==== 所有操作已完成 ====")
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# 在返回结果中添加输出文件名信息
if isinstance(result, dict):
result['output_filename'] = params['final_output_file']
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return result
# import argparse
# def main():
# parser = argparse.ArgumentParser(description='SMAP到Scene自动转换工具')
# parser.add_argument('--smap', required=True, help='输入的smap地图文件路径')
# parser.add_argument('--scene', required=False, help='可选参考scene文件路径')
# args = parser.parse_args()
# convert_smap_to_scene(args.smap, args.scene)
# if __name__ == "__main__":
# main()