读取文件url
This commit is contained in:
@@ -26,8 +26,11 @@
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import argparse
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import os
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import tempfile
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import urllib.parse
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from typing import Any, Dict, List, Optional
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import requests
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from mcp.server.fastmcp import FastMCP
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from mcp.server.transport_security import TransportSecuritySettings
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@@ -58,13 +61,60 @@ mcp = FastMCP(
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)
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def _is_url(path: str) -> bool:
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"""简单判断一个字符串是否为 HTTP/HTTPS URL。"""
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return path.startswith("http://") or path.startswith("https://")
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def _download_to_temp(url: str, suffix: str = ".tmp") -> str:
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"""
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将远程 URL 下载到临时文件,返回本地临时路径。
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调用方负责在使用完毕后删除该文件。
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"""
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resp = requests.get(url, stream=True, timeout=30)
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resp.raise_for_status()
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fd, tmp_path = tempfile.mkstemp(suffix=suffix)
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try:
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with os.fdopen(fd, "wb") as f:
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for chunk in resp.iter_content(chunk_size=8192):
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if chunk:
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f.write(chunk)
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except Exception:
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# 出错时清理临时文件
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try:
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os.remove(tmp_path)
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except OSError:
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pass
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raise
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return tmp_path
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def _build_output_url(abs_output_path: str) -> Optional[str]:
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"""
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根据环境变量 MCP_OUTPUT_BASE_URL 构造输出文件的 URL。
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约定:
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- MCP_OUTPUT_BASE_URL 形如: http://host:port/files/
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- 最终 URL = MCP_OUTPUT_BASE_URL.rstrip('/') + '/' + 文件名
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"""
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base = os.getenv("MCP_OUTPUT_BASE_URL")
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if not base:
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return None
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filename = os.path.basename(abs_output_path)
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return base.rstrip("/") + "/" + filename
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@mcp.tool()
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async def list_docx_images(docx_path: str) -> List[Dict[str, Any]]:
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"""
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列出指定 DOCX 文件中的所有图片信息。
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参数:
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- docx_path: DOCX 文件的路径(相对或绝对)
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- docx_path: DOCX 文件的路径(相对或绝对),也可以是 HTTP/HTTPS URL。
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返回:
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- 图片信息列表,每一项包含:
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@@ -74,14 +124,29 @@ async def list_docx_images(docx_path: str) -> List[Dict[str, Any]]:
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- docpr_name: Word 内部的图片名称
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- width_cm / height_cm: 近似尺寸(厘米),可能为 None
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"""
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if not os.path.exists(docx_path):
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raise FileNotFoundError(f"DOCX 文件不存在: {docx_path}")
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tmp_file: Optional[str] = None
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try:
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local_path = docx_path
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if _is_url(docx_path):
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parsed = urllib.parse.urlparse(docx_path)
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ext = os.path.splitext(parsed.path)[1] or ".docx"
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tmp_file = _download_to_temp(docx_path, suffix=ext)
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local_path = tmp_file
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imgs = get_images_info(docx_path)
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# 为了避免泄露容器内部路径,屏蔽 abs_path 字段
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for img in imgs:
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img.pop("abs_path", None)
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return imgs
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if not os.path.exists(local_path):
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raise FileNotFoundError(f"DOCX 文件不存在: {docx_path}")
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imgs = get_images_info(local_path)
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# 为了避免泄露容器内部路径,屏蔽 abs_path 字段
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for img in imgs:
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img.pop("abs_path", None)
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return imgs
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finally:
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if tmp_file and os.path.exists(tmp_file):
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try:
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os.remove(tmp_file)
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except OSError:
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pass
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@mcp.tool()
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@@ -100,7 +165,7 @@ async def edit_docx(
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- 替换指定序号的图片
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参数:
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- input_docx: 输入 DOCX 文件路径
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- input_docx: 输入 DOCX 文件路径,或 HTTP/HTTPS URL
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- output_docx: 输出 DOCX 文件路径
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- replacements: 文本替换规则列表,例如:
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[
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@@ -112,56 +177,100 @@ async def edit_docx(
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{\"index\": 1, \"file\": \"new_chart.png\"},
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{\"index\": 2, \"file\": \"new_photo.jpg\"}
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]
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其中 file 字段同样可以是本地路径或 HTTP/HTTPS URL。
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返回:
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- {\"output_path\": 生成的 DOCX 绝对路径}
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- {
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\"output_path\": 生成的 DOCX 绝对路径,
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\"output_url\": 如果配置了 MCP_OUTPUT_BASE_URL,则为可访问该文件的 URL,否则为 null
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}
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"""
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if not os.path.exists(input_docx):
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raise FileNotFoundError(f"输入 DOCX 文件不存在: {input_docx}")
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tmp_input: Optional[str] = None
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tmp_images: List[str] = []
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if replacements is None:
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replacements = []
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if image_replacements is None:
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image_replacements = []
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try:
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local_input = input_docx
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if _is_url(input_docx):
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parsed = urllib.parse.urlparse(input_docx)
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ext = os.path.splitext(parsed.path)[1] or ".docx"
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tmp_input = _download_to_temp(input_docx, suffix=ext)
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local_input = tmp_input
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# 解析文本替换与颜色关键字(复用 CLI 逻辑)
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rep_pairs = []
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color_keywords = []
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for item in replacements:
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old = item.get("old")
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new_raw = item.get("new")
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if not old:
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continue
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if new_raw is None:
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new_raw = ""
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new_plain, spans = _parse_span_replacement(new_raw)
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rep_pairs.append((old, new_plain))
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color_keywords.extend(spans)
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if not os.path.exists(local_input):
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raise FileNotFoundError(f"输入 DOCX 文件不存在: {input_docx}")
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# 处理图片替换参数
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img_pairs = []
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for item in image_replacements:
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try:
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idx = int(item.get("index"))
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except (TypeError, ValueError):
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continue
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path = item.get("file")
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if not path:
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continue
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if not os.path.exists(path):
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raise FileNotFoundError(f"图片文件不存在: {path}")
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img_pairs.append((idx, path))
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if replacements is None:
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replacements = []
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if image_replacements is None:
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image_replacements = []
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# 复用原始处理函数
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process(
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input_docx=input_docx,
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output_docx=output_docx,
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replacements=rep_pairs,
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image_replacements=img_pairs,
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color_keywords=color_keywords,
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)
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# 解析文本替换与颜色关键字(复用 CLI 逻辑)
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rep_pairs = []
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color_keywords = []
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for item in replacements:
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old = item.get("old")
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new_raw = item.get("new")
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if not old:
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continue
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if new_raw is None:
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new_raw = ""
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new_plain, spans = _parse_span_replacement(new_raw)
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rep_pairs.append((old, new_plain))
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color_keywords.extend(spans)
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return {"output_path": os.path.abspath(output_docx)}
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# 处理图片替换参数(支持本地路径或 URL)
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img_pairs = []
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for item in image_replacements:
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try:
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idx = int(item.get("index"))
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except (TypeError, ValueError):
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continue
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path = item.get("file")
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if not path:
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continue
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local_img = path
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if _is_url(path):
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parsed = urllib.parse.urlparse(path)
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ext = os.path.splitext(parsed.path)[1] or ""
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suffix = ext if ext else ".img"
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tmp_img = _download_to_temp(path, suffix=suffix)
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tmp_images.append(tmp_img)
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local_img = tmp_img
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if not os.path.exists(local_img):
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raise FileNotFoundError(f"图片文件不存在: {path}")
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img_pairs.append((idx, local_img))
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# 复用原始处理函数
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process(
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input_docx=local_input,
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output_docx=output_docx,
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replacements=rep_pairs,
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image_replacements=img_pairs,
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color_keywords=color_keywords,
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)
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abs_out = os.path.abspath(output_docx)
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return {
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"output_path": abs_out,
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"output_url": _build_output_url(abs_out),
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}
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finally:
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if tmp_input and os.path.exists(tmp_input):
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try:
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os.remove(tmp_input)
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except OSError:
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pass
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for p in tmp_images:
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if os.path.exists(p):
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try:
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os.remove(p)
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except OSError:
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pass
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if __name__ == "__main__":
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