mayihua
e9f87fc693
TXT / Excel(CSV) / SHP 三种格式任意互转
支持 WGS84 / CGCS2000 / Xian80 / Beijing54 / Web Mercator 坐标系转换
由 Mapo 🗺️ 自动生成
80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
#!/usr/bin/env python3
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"""
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CoordConverter — Mercator Suite Entry Point
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Reads PARAM_* env vars set by agc, runs conversion, outputs SUITE_OUTPUT JSON.
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"""
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import os
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import sys
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import json
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import traceback
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# Ensure suite dir is on path
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from converter.workflow import ConversionWorkflow
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def get_param(name: str, default: str | None = None) -> str:
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val = os.environ.get(f"PARAM_{name}")
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if val:
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return val.strip()
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if default is not None:
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return default
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raise ValueError(f"缺少必填参数: {name}")
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def parse_epsg(raw: str) -> str | None:
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"""Normalize EPSG string. '4326' → 'EPSG:4326'. 'auto' / '' → None."""
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raw = raw.strip()
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if not raw or raw.lower() in ("auto", "none", ""):
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return None
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if raw.upper().startswith("EPSG:"):
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return raw.upper()
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return f"EPSG:{raw}"
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def main():
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input_file = get_param("INPUT_FILE")
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output_file = get_param("OUTPUT_FILE")
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from_crs_raw = get_param("FROM_CRS", "auto")
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to_crs_raw = get_param("TO_CRS", "EPSG:4490")
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output_format = get_param("OUTPUT_FORMAT", "auto")
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# Validate input
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if not os.path.isfile(input_file):
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raise FileNotFoundError(f"输入文件不存在: {input_file}")
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from_crs = parse_epsg(from_crs_raw)
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to_crs = parse_epsg(to_crs_raw)
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# Ensure output dir exists
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out_dir = os.path.dirname(output_file)
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if out_dir:
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os.makedirs(out_dir, exist_ok=True)
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wf = ConversionWorkflow()
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result = wf.run(
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input_path=input_file,
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output_path=output_file,
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from_crs=from_crs,
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to_crs=to_crs,
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output_format=output_format,
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)
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# Mercator standard output
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print("=== SUITE_OUTPUT ===")
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print(json.dumps(result, ensure_ascii=False, indent=2))
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print("=== END_SUITE_OUTPUT ===")
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if __name__ == "__main__":
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try:
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main()
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except Exception as e:
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print(json.dumps({
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"success": False,
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"error": str(e),
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"traceback": traceback.format_exc(),
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}, ensure_ascii=False))
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sys.exit(1)
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