Merge pull request 'feat: add --pingpong flag to giftool' (#64) from pi-agent/konabot:feat/giftool-pingpong into master

Reviewed-on: #64

Dockerfile

@@ -1,3 +1,16 @@
+FROM alpine:latest AS artifacts
+
+RUN apk add --no-cache curl xz
+WORKDIR /tmp
+
+RUN mkdir -p /artifacts
+RUN curl -L -o typst.tar.xz "https://github.com/typst/typst/releases/download/v0.14.2/typst-x86_64-unknown-linux-musl.tar.xz" \
+    && tar -xJf typst.tar.xz \
+    && mv typst-x86_64-unknown-linux-musl/typst /artifacts
+
+RUN chmod -R +x /artifacts/
+
+
 FROM python:3.13-slim AS base
 
 ENV VIRTUAL_ENV=/app/.venv \
@@ -38,6 +51,7 @@ RUN uv sync --no-install-project
 FROM base AS runtime
 
 COPY --from=builder ${VIRTUAL_ENV} ${VIRTUAL_ENV}
+COPY --from=artifacts /artifacts/ /usr/local/bin/
 
 WORKDIR /app
 

konabot/common/artifact.py

@@ -1,10 +1,9 @@
 import asyncio
-from typing import Any, Awaitable, Callable
 import aiohttp
 import hashlib
 import platform
 
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from pathlib import Path
 
 import nonebot
@@ -15,8 +14,6 @@ from pydantic import BaseModel
 
 @dataclass
 class ArtifactDepends:
-    _Callback = Callable[[bool], Awaitable[Any]]
-
     url: str
     sha256: str
     target: Path
@@ -30,9 +27,6 @@ class ArtifactDepends:
     use_proxy: bool = True
     "网络问题，赫赫；使用的是 Discord 模块配置的 proxy"
 
-    callbacks: list[_Callback] = field(default_factory=list)
-    "在任务完成以后，应该做的事情"
-
     def is_corresponding_platform(self) -> bool:
         if self.required_os is not None:
             if self.required_os.lower() != platform.system().lower():
@@ -42,43 +36,26 @@ class ArtifactDepends:
                 return False
         return True
 
-    def on_finished(self, task: _Callback) -> _Callback:
-        self.callbacks.append(task)
-        return task
-
-    async def _finished(self, downloaded: bool) -> list[Any | BaseException]:
-        tasks = set()
-        for f in self.callbacks:
-            tasks.add(f(downloaded))
-        return await asyncio.gather(*tasks, return_exceptions=True)
-
 
 class Config(BaseModel):
     prefetch_artifact: bool = False
     "是否提前下载好二进制依赖"
 
 
-artifact_list: list[ArtifactDepends] = []
+artifact_list = []
 
 
 driver = nonebot.get_driver()
 config = nonebot.get_plugin_config(Config)
 
-
 @driver.on_startup
 async def _():
     if config.prefetch_artifact:
         logger.info("启动检测中：正在检测需求的二进制是否下载")
         semaphore = asyncio.Semaphore(10)
-
         async def _task(artifact: ArtifactDepends):
             async with semaphore:
-                downloaded = await ensure_artifact(artifact)
+                await ensure_artifact(artifact)
-                result = await artifact._finished(downloaded)
-                for r in result:
-                    if isinstance(r, BaseException):
-                        logger.warning("完成了二进制文件的下载，但是有未捕捉的错误")
-                        logger.exception(r)
 
         tasks: set[asyncio.Task] = set()
         for a in artifact_list:
@@ -101,43 +78,35 @@ async def download_artifact(artifact: ArtifactDepends):
     async with aiohttp.ClientSession(proxy=proxy) as client:
         result = await client.get(artifact.url)
         if result.status != 200:
-            logger.warning(
+            logger.warning(f"已经下载了二进制，但是注意服务器没有返回 200！ URL={artifact.url} TARGET={artifact.target} CODE={result.status}")
-                f"已经下载了二进制，但是注意服务器没有返回 200！ URL={artifact.url} TARGET={artifact.target} CODE={result.status}"
-            )
         data = await result.read()
     artifact.target.write_bytes(data)
-    if not platform.system().lower() == "windows":
+    if not platform.system().lower() == 'windows':
         artifact.target.chmod(0o755)
 
     logger.info(f"下载好了 TARGET={artifact.target} URL={artifact.url}")
     m = hashlib.sha256(artifact.target.read_bytes())
     if m.hexdigest().lower() != artifact.sha256.lower():
-        logger.warning(
+        logger.warning(f"下载到的二进制的 sha256 与需求不同 TARGET={artifact.target} REQUESTED={artifact.sha256} ACTUAL={m.hexdigest()}")
-            f"下载到的二进制的 sha256 与需求不同 TARGET={artifact.target} REQUESTED={artifact.sha256} ACTUAL={m.hexdigest()}"
-        )
 
 
-async def ensure_artifact(artifact: ArtifactDepends) -> bool:
+async def ensure_artifact(artifact: ArtifactDepends):
     if not artifact.is_corresponding_platform():
-        return False
+        return
 
     if not artifact.target.exists():
         logger.info(f"二进制依赖 {artifact.target} 不存在")
         if not artifact.target.parent.exists():
             artifact.target.parent.mkdir(parents=True, exist_ok=True)
         await download_artifact(artifact)
-        return True
     else:
         m = hashlib.sha256(artifact.target.read_bytes())
         if m.hexdigest().lower() != artifact.sha256.lower():
-            logger.info(
+            logger.info(f"二进制依赖 {artifact.target} 的哈希无法对应需求的哈希，准备重新下载")
-                f"二进制依赖 {artifact.target} 的哈希无法对应需求的哈希，准备重新下载"
-            )
             artifact.target.unlink()
             await download_artifact(artifact)
-            return True
-        return False
 
 
 def register_artifacts(*artifacts: ArtifactDepends):
     artifact_list.extend(artifacts)
+

konabot/docs/user/giftool.txt

@@ -71,6 +71,14 @@ giftool [图片] [选项]
 
 - 调整 GIF 图的速度。若为负数，则代表倒放。
 
+### `--pingpong`（可选）
+
+- 开启乒乓模式，生成正放-倒放拼接的 GIF 图。
+- 即播放完正向后，会倒放回去，形成往复循环效果。
+- 可与 `--speed` 配合使用，调整播放速度。
+- 示例：`giftool [图片] --pingpong`
+- 示例：`giftool [图片] --pingpong --speed 2.0`
+
 ## 使用方式
 
 1. 发送指令前，请确保：

konabot/plugins/image_process/__init__.py

@@ -34,6 +34,7 @@ cmd_giftool = on_alconna(
         Option("-t", Args["length", str]),
         Option("-to", Args["end_point", str]),
         Option("--speed", Args["speed_factor", float], default=1.0, alias=["-s"]),
+        Option("--pingpong", default=False),
     )
 )
 
@@ -46,6 +47,7 @@ async def _(
     length: str | None = None,
     speed_factor: float = 1.0,
     end_point: str | None = None,
+    pingpong: bool = False,
 ):
     ss: None | float = None
     if start_point:
@@ -162,6 +164,16 @@ async def _(
         rframes = rframes[::-1]
         rdur_ms = rdur_ms[::-1]
 
+    # 处理 pingpong 模式
+    if pingpong:
+        # 复制一份反转的帧序列（去掉第一帧避免重复）
+        pingpong_frames = rframes[1:][::-1] if len(rframes) > 1 else rframes[::-1]
+        pingpong_durations = rdur_ms[1:][::-1] if len(rdur_ms) > 1 else rdur_ms[::-1]
+        
+        # 拼接正放和倒放
+        rframes = rframes + pingpong_frames
+        rdur_ms = rdur_ms + pingpong_durations
+
     output_img = BytesIO()
 
     if rframes:

konabot/plugins/typst/__init__.py

@@ -1,11 +1,9 @@
 import asyncio
-import os
 import subprocess
 
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import cast
-import zipfile
 
 from loguru import logger
 from nonebot import on_command
@@ -15,99 +13,22 @@ from nonebot.adapters.onebot.v11.event import MessageEvent as OB11MessageEvent
 from nonebot.adapters.onebot.v11.bot import Bot as OB11Bot
 from nonebot.adapters.onebot.v11.message import Message as OB11Message
 
-from konabot.common.artifact import ArtifactDepends, ensure_artifact, register_artifacts
 from konabot.common.longtask import DepLongTaskTarget
-from konabot.common.path import BINARY_PATH, TMP_PATH
+from konabot.common.path import TMP_PATH
-
-
-arti_typst_linux = ArtifactDepends(
-    url="https://github.com/typst/typst/releases/download/v0.14.2/typst-x86_64-unknown-linux-musl.tar.xz",
-    sha256="a6044cbad2a954deb921167e257e120ac0a16b20339ec01121194ff9d394996d",
-    target=BINARY_PATH / "typst.tar.xz",
-    required_os="Linux",
-    required_arch="x86_64",
-)
-arti_typst_windows = ArtifactDepends(
-    url="https://github.com/typst/typst/releases/download/v0.14.2/typst-x86_64-pc-windows-msvc.zip",
-    sha256="51353994ac83218c3497052e89b2c432c53b9d4439cdc1b361e2ea4798ebfc13",
-    target=BINARY_PATH / "typst.zip",
-    required_os="Windows",
-    required_arch="AMD64",
-)
-
-
-bin_path: Path | None = None
-
-
-@arti_typst_linux.on_finished
-async def _(downloaded: bool):
-    global bin_path
-
-    tar_path = arti_typst_linux.target
-    bin_path = BINARY_PATH / "typst"
-
-    if downloaded or not bin_path.exists():
-        bin_path.unlink(missing_ok=True)
-        process = await asyncio.create_subprocess_exec(
-            "tar",
-            "-xvf",
-            tar_path,
-            "--strip-components=1",
-            "-C",
-            BINARY_PATH,
-            "typst-x86_64-unknown-linux-musl/typst",
-            stdout=asyncio.subprocess.PIPE,
-            stderr=asyncio.subprocess.PIPE,
-        )
-        stdout, stderr = await process.communicate()
-        if process.returncode != 0 or not bin_path.exists():
-            logger.warning(
-                "似乎没有成功解压 Typst 二进制文件，检查一下吧！ "
-                f"stdout={stdout} stderr={stderr}"
-            )
-        else:
-            os.chmod(bin_path, 0o755)
-
-
-@arti_typst_windows.on_finished
-async def _(downloaded: bool):
-    global bin_path
-    zip_path = arti_typst_windows.target
-    bin_path = BINARY_PATH / "typst.exe"
-
-    if downloaded or not bin_path.exists():
-        bin_path.unlink(missing_ok=True)
-        with zipfile.ZipFile(zip_path, "r") as zf:
-            target_name = "typst-x86_64-pc-windows-msvc/typst.exe"
-            if target_name not in zf.namelist():
-                logger.warning("在 Zip 压缩包里面没有找到目标文件")
-                return
-            zf.extract(target_name, BINARY_PATH)
-            (BINARY_PATH / target_name).rename(bin_path)
-            (BINARY_PATH / "typst-x86_64-pc-windows-msvc").rmdir()
-
-
-register_artifacts(arti_typst_linux)
-register_artifacts(arti_typst_windows)
 
 
 TEMPLATE_PATH = Path(__file__).parent / "template.typ"
 TEMPLATE = TEMPLATE_PATH.read_text()
 
 
-def render_sync(code: str) -> bytes | None:
+def render_sync(code: str) -> bytes:
-    global bin_path
-
-    if bin_path is None:
-        return
-
     with TemporaryDirectory(dir=TMP_PATH) as tmpdirname:
         temp_dir = Path(tmpdirname).resolve()
         temp_typ = temp_dir / "page.typ"
         temp_typ.write_text(TEMPLATE + "\n\n" + code)
 
         cmd = [
-            bin_path,
+            "typst",
             "compile",
             temp_typ.name,
             "--format",
@@ -140,7 +61,7 @@ def render_sync(code: str) -> bytes | None:
         return result_png.read_bytes()
 
 
-async def render(code: str) -> bytes | None:
+async def render(code: str) -> bytes:
     task = asyncio.to_thread(lambda: render_sync(code))
     return await task
 
@@ -149,21 +70,7 @@ cmd = on_command("typst")
 
 
 @cmd.handle()
-async def _(
+async def _(evt: Event, bot: Bot, msg: UniMsg, target: DepLongTaskTarget):
-    evt: Event,
-    bot: Bot,
-    msg: UniMsg,
-    target: DepLongTaskTarget,
-):
-    global bin_path
-
-    # 对于本地机器，一般不会在应用启动时自动下载，这里再保证存在
-    await ensure_artifact(arti_typst_linux)
-    await ensure_artifact(arti_typst_windows)
-    if bin_path is None or not bin_path.exists():
-        logger.warning("当前环境不存在 Typst，但仍然调用了")
-        return
-
     typst_code = ""
     if isinstance(evt, OB11MessageEvent):
         if evt.reply is not None:
@@ -185,8 +92,6 @@ async def _(
 
     try:
         res = await render(typst_code)
-        if res is None:
-            raise FileNotFoundError("没有渲染出来内容")
     except FileNotFoundError as e:
         await target.send_message("渲染出错：内部错误")
         raise e from e