71 行
2.3 KiB
Python
71 行
2.3 KiB
Python
#!/usr/bin/env python3
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"""把整个 EasyEDA 工程导成 .epro（zip）拉到本地并解包。
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.epro 里含原理图 / PCB / **符号 / 封装 / 3D 模型**的源码 —— 页面源码里没有符号图形，
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所以生成 KiCad 符号库必须靠这个包。
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桥接只能传 JSON，所以 JS 侧把文件缓存在 globalThis 上，分块 base64 回传。
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"""
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import base64, json, os, sys, zipfile
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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import eda
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ROOT = os.path.dirname(os.path.abspath(__file__))
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OUT = os.path.join(ROOT, "eda_src")
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PROJ = "1e5745f4caff4b15a921694d2fd912e4"
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CHUNK = 384 * 1024 # 原始字节；base64 后约 512 KB 一块
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PREP = '''
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const f = await eda.sys_FileManager.getProjectFileByProjectUuid("%s","PhoneRail",undefined,"epro");
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if(!f) return {size:0};
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globalThis.__epro = new Uint8Array(await f.arrayBuffer());
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return { size: globalThis.__epro.length, name: f.name };
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''' % PROJ
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GRAB = '''
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const b = globalThis.__epro.subarray(%d, %d);
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let s=''; const N=0x8000;
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for(let i=0;i<b.length;i+=N) s += String.fromCharCode.apply(null, b.subarray(i,i+N));
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return btoa(s);
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'''
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def call(js, what, timeout=300):
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r = eda.run(js, timeout=timeout)
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if not r.get("success"):
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sys.exit(f"!! {what}: " + json.dumps(r, ensure_ascii=False)[:400])
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return r["result"]
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def main():
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os.makedirs(OUT, exist_ok=True)
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info = call(PREP, "导出工程包")
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size = info["size"]
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if not size:
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sys.exit("!! 工程包导出返回空")
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print(f"{info['name']} {size:,d} B")
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buf = bytearray()
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while len(buf) < size:
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end = min(len(buf) + CHUNK, size)
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buf += base64.b64decode(call(GRAB % (len(buf), end), f"取 {len(buf)}~{end}"))
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print(f" {len(buf):>9,d} / {size:,d}")
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if len(buf) != size:
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sys.exit(f"!! 长度不符 {len(buf)} != {size}")
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epro = os.path.join(OUT, "PhoneRail.epro")
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open(epro, "wb").write(buf)
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d = os.path.join(OUT, "epro")
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os.makedirs(d, exist_ok=True)
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with zipfile.ZipFile(epro) as z:
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z.extractall(d)
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names = z.namelist()
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print(f"\n解包 {len(names)} 项 -> {d}")
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import collections
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top = collections.Counter(n.split("/")[0] for n in names if "/" in n)
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for k, v in top.most_common():
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print(f" {k:12s} {v}")
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if __name__ == "__main__":
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main()
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