R2：底板 / 刀片布局布线脚本、快照、截图与规划文档更新（含外壳、打印件、布线归档）

Co-Authored-By: Claude Opus 5.5 <[email protected]>

.claude/k_dump_epro.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+"""把整个 EasyEDA 工程导成 .epro（zip）拉到本地并解包。
+
+.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，
+所以生成 KiCad 符号库必须靠这个包。
+
+桥接只能传 JSON，所以 JS 侧把文件缓存在 globalThis 上，分块 base64 回传。
+"""
+import base64, json, os, sys, zipfile
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+import eda
+
+ROOT = os.path.dirname(os.path.abspath(__file__))
+OUT = os.path.join(ROOT, "eda_src")
+PROJ = "1e5745f4caff4b15a921694d2fd912e4"
+CHUNK = 384 * 1024          # 原始字节；base64 后约 512 KB 一块
+
+PREP = '''
+const f = await eda.sys_FileManager.getProjectFileByProjectUuid("%s","PhoneRail",undefined,"epro");
+if(!f) return {size:0};
+globalThis.__epro = new Uint8Array(await f.arrayBuffer());
+return { size: globalThis.__epro.length, name: f.name };
+''' % PROJ
+
+GRAB = '''
+const b = globalThis.__epro.subarray(%d, %d);
+let s=''; const N=0x8000;
+for(let i=0;i<b.length;i+=N) s += String.fromCharCode.apply(null, b.subarray(i,i+N));
+return btoa(s);
+'''
+
+
+def call(js, what, timeout=300):
+    r = eda.run(js, timeout=timeout)
+    if not r.get("success"):
+        sys.exit(f"!! {what}: " + json.dumps(r, ensure_ascii=False)[:400])
+    return r["result"]
+
+
+def main():
+    os.makedirs(OUT, exist_ok=True)
+    info = call(PREP, "导出工程包")
+    size = info["size"]
+    if not size:
+        sys.exit("!! 工程包导出返回空")
+    print(f"{info['name']}  {size:,d} B")
+    buf = bytearray()
+    while len(buf) < size:
+        end = min(len(buf) + CHUNK, size)
+        buf += base64.b64decode(call(GRAB % (len(buf), end), f"取 {len(buf)}~{end}"))
+        print(f"  {len(buf):>9,d} / {size:,d}")
+    if len(buf) != size:
+        sys.exit(f"!! 长度不符 {len(buf)} != {size}")
+    epro = os.path.join(OUT, "PhoneRail.epro")
+    open(epro, "wb").write(buf)
+
+    d = os.path.join(OUT, "epro")
+    os.makedirs(d, exist_ok=True)
+    with zipfile.ZipFile(epro) as z:
+        z.extractall(d)
+        names = z.namelist()
+    print(f"\n解包 {len(names)} 项 -> {d}")
+    import collections
+    top = collections.Counter(n.split("/")[0] for n in names if "/" in n)
+    for k, v in top.most_common():
+        print(f"  {k:12s} {v}")
+
+
+if __name__ == "__main__":
+    main()