76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
import sys
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import os
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "python"))
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from gobridge import expose, run
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from typing import Iterator
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@expose
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def add(a: int, b: int) -> int:
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return a + b
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@expose
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def range_gen(start: int, stop: int) -> Iterator[int]:
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"""流式输出：对应 Go 侧 Invoke[chan int]"""
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for i in range(start, stop):
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yield i
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@expose
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def sum_stream(numbers: Iterator[int]) -> int:
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"""流式输入：对应 Go 侧传入 chan int 参数"""
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return sum(numbers)
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@expose
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def double_stream(numbers: Iterator[int]) -> Iterator[int]:
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"""双向流：输入每个数，yield 其平方，对应 Go 侧 Invoke[chan int](c, ctx, "double_stream", inputChan)"""
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for n in numbers:
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yield n * n
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# ── struct（dict）类型 ──────────────────────────────────────────────────────
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@expose
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def get_user(uid: int) -> dict:
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"""普通调用：返回一个 struct（Go 对应 User）"""
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return {"id": uid, "name": f"user_{uid}", "score": uid * 1.5}
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@expose
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def total_score(users: list) -> float:
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"""slice 输入：接收 []User，返回总分"""
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return sum(u["score"] for u in users)
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@expose
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def enrich_users(users: list) -> list:
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"""slice 输入输出：为每个 user 追加 level 字段"""
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result = []
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for u in users:
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u = dict(u)
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u["level"] = "gold" if u["score"] >= 10 else "silver"
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result.append(u)
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return result
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# ── struct/slice 流式组合 ────────────────────────────────────────────────────
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@expose
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def gen_users(count: int) -> Iterator[dict]:
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"""流式输出 struct：yield 多个 User，对应 Go 侧 Invoke[chan User]"""
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for i in range(1, count + 1):
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yield {"id": i, "name": f"user_{i}", "score": float(i * 3)}
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@expose
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def process_users(users: Iterator[dict]) -> Iterator[dict]:
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"""双向流 struct：输入流式 User，yield 处理后的 User"""
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for u in users:
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yield {"id": u["id"], "name": u["name"].upper(), "score": u["score"] * 2}
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run()
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