337 lines
12 KiB
Python
337 lines
12 KiB
Python
#!/usr/bin/env python3
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import hashlib
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import json
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import os
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import re
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import shutil
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import subprocess
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import tempfile
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from pathlib import Path
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from common.constant import editor_class, code_snippet_editor
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from common.constant import template_add, template_edit
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from entity.result import ActionResult
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from helper.api_helper import run_edit, run_add
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def _parse_add_text(text: str) -> str:
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# 提取第一个代码块（包含可选的 ```[Lang] 或 ```Lang）
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fence_re = re.search(r"```(?:\[(?P<fence_lang>[^\]]*)\]|(?P<fence_lang2>[A-Za-z0-9_+\-]+))?\s*\r?\n(?P<code>[\s\S]*?)```", text)
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fence_lang = ''
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content = ''
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if fence_re:
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fence_lang = (fence_re.group('fence_lang') or fence_re.group('fence_lang2') or '') or ''
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content = (fence_re.group('code') or '').strip()
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# 把模板占位符当做空值处理
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if fence_lang.strip().lower() == 'language' or fence_lang.strip() == '':
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fence_lang = ''
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else:
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fence_lang = fence_lang.strip()
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# 定位 MetaData 区块（从"## MetaData"到文档末尾或下一个"## "）
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meta_match = re.search(r"##\s*MetaData\s*(?P<meta>[\s\S]*)", text, flags=re.I)
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meta = meta_match.group('meta') if meta_match else ''
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meta_lines = meta.splitlines()
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def extract_list_value(field_name: str) -> str:
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field_name_re = re.compile(rf"^\s*-\s*{re.escape(field_name)}\s*$", flags=re.I)
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list_item_re = re.compile(r"^\s*-\s*(.*)$")
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for i, line in enumerate(meta_lines):
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if field_name_re.match(line):
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# 找下一条非空行作为子项
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j = i + 1
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while j < len(meta_lines) and meta_lines[j].strip() == "":
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j += 1
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if j < len(meta_lines):
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m = list_item_re.match(meta_lines[j])
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if m:
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val = m.group(1).strip()
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# 把模板占位符当做空值处理
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if val.lower() == field_name.lower() or val.lower() == 'language' and field_name.lower() == 'language' and val == '':
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return ''
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return val
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return ""
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return ""
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name = extract_list_value("Name")
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language_meta = extract_list_value("Language")
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# 优先使用 MetaData 下方的 Language，若无再使用代码块 fence 的语言
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language = language_meta or fence_lang or ""
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entity = {
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"name": name or "",
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"language": language or "",
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"content": content or "",
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}
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return json.dumps(entity, ensure_ascii=False)
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# 包装成读取文件的版本（保留原函数签名）
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def _parse_add(file_path: str) -> str:
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text = Path(file_path).read_text(encoding='utf-8')
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return _parse_add_text(text)
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def _prefill_edit(file_path: str, source_path: str, _id: str) -> None:
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# 将原始文件内容与元信息写入模板占位
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# 读取原文件
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src = Path(source_path).read_text(encoding='utf-8')
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# 提取代码块（仅代码，不带多余模板）与语言
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code_block = re.search(r"```(?:\[([^\]]*)\]|([A-Za-z0-9_+\-]+))?\s*\r?\n([\s\S]*?)```", src)
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language = ''
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code_only = ''
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if code_block:
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language = (code_block.group(1) or code_block.group(2) or '').strip()
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code_only = (code_block.group(3) or '').strip()
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# 若未检测到代码块则回退为全文
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if not code_only:
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code_only = src.strip()
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# 从源文档的 MetaData 段提取 tags 与 description
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tags: list[str] = []
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desc = ''
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# 定位 MetaData 段
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meta_match = re.search(r"##\s*MetaData([\s\S]*)", src)
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meta = meta_match.group(1) if meta_match else ''
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if meta:
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# Tags 段
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tags_section = re.search(r"-\s*Tags\s*([\s\S]*?)(?:\n-\s*Description|\Z)", meta)
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if tags_section:
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for line in tags_section.group(1).splitlines():
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m = re.match(r"^\s*-\s*(.+)$", line)
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if m:
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val = m.group(1).strip()
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if val:
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tags.append(val)
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# Description 段
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desc_section = re.search(r"-\s*Description\s*\n\s*-\s*(.+)", meta)
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if desc_section:
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desc = desc_section.group(1).strip()
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# 若语言未能从代码块检测，则用路径上级名兜底
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if not language:
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language = Path(source_path).parent.name
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# 重建模板（覆盖写入）
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rebuilt_lines = []
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rebuilt_lines.append("## Snippet\n\n")
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if language:
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rebuilt_lines.append(f"```{language}\n")
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else:
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rebuilt_lines.append("```\n")
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rebuilt_lines.append(code_only)
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rebuilt_lines.append("\n```\n\n")
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rebuilt_lines.append("## MetaData\n\n")
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rebuilt_lines.append("- Tags\n")
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if tags:
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for t in tags:
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rebuilt_lines.append(f" - {t}\n")
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else:
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rebuilt_lines.append(" - \n - \n")
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rebuilt_lines.append("- Description\n")
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rebuilt_lines.append(f" - {desc}\n")
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Path(file_path).write_text(''.join(rebuilt_lines), encoding='utf-8')
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def _parse_edit(file_path: str, _id: str, source_path: str) -> str:
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text = Path(file_path).read_text(encoding='utf-8')
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# 解析语言（不强制需要）
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# 解析代码块内容
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code_match = re.search(r"```(?:\[[^\]]*\]|[A-Za-z0-9_+\-]*)\s*\r?\n([\s\S]*?)```", text)
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content = (code_match.group(1) if code_match else '').strip()
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# tags
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tag_lines = re.findall(r"^-\s+(.*)$", text, flags=re.M)
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# 在 '- Tags' 之后的两级缩进项
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tags_section = False
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tags = []
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for line in text.splitlines():
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if re.match(r"^-\s*Tags\s*$", line):
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tags_section = True
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continue
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if tags_section:
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m = re.match(r"^\s*-\s*(.*)$", line)
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if m:
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val = m.group(1).strip()
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if val:
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tags.append(val)
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else:
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# 离开 tags 段
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tags_section = False
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# 到 Description 再退出
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if re.match(r"^-\s*Description\s*$", line):
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tags_section = False
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desc_match = re.search(r"-\s*Description\s*\n\s*-\s*(.*)", text)
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description = (desc_match.group(1) if desc_match else '').strip()
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entity = {
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"id": _id,
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"path": source_path,
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"tags": tags,
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"description": description,
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"content": content,
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}
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return json.dumps(entity, ensure_ascii=False)
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def _create_tmp(content: str) -> str:
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# 创建临时文件，并写入template_path对应的文件中的内容，最终返回临时文件的路径
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# 临时文件路径固定为/tmp/<随机字符串>.md
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with tempfile.NamedTemporaryFile(prefix='', suffix='.md', dir='/tmp/', delete=False) as tmp_file:
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temp_path = tmp_file.name
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# 将模板文件内容复制到临时文件
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Path(temp_path).write_text(content, encoding='utf-8')
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return temp_path
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def _open_with_nvim(file_path: str) -> None:
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# 获取终端环境变量，默认为xterm
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term = os.environ.get('TERMINAL', '')
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if not term:
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term = 'xterm'
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# 获取终端名称
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name = os.path.basename(term)
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# 根据不同终端类型构建命令
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cmd = [term]
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# 根据终端类型添加特定参数
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if name == 'alacritty':
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cmd.extend(['--class', editor_class, '-e', code_snippet_editor, file_path])
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elif name == 'kitty':
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cmd.extend(['--class', editor_class, code_snippet_editor, file_path])
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elif name == 'foot':
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cmd.extend(['-a', editor_class, code_snippet_editor, file_path])
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elif name == 'wezterm':
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cmd.extend(['start', '--class', editor_class, '--', code_snippet_editor, file_path])
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elif name.startswith('gnome-terminal'):
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cmd.extend([f'--class={editor_class}', '--', code_snippet_editor, file_path])
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elif name == 'konsole':
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cmd.extend(['--class', editor_class, '-e', code_snippet_editor, file_path])
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elif name == 'urxvt':
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cmd.extend(['-name', editor_class, '-e', code_snippet_editor, file_path])
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elif name == 'xterm':
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cmd.extend(['-class', editor_class, '-e', code_snippet_editor, file_path])
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else:
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cmd.extend(['-e', code_snippet_editor, file_path])
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# 阻塞执行命令，直到进程结束
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subprocess.run(cmd)
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def _copy(tmp_path: str) -> None:
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# 读取临时文件内容并提取代码块
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text = Path(tmp_path).read_text(encoding='utf-8')
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m = re.search(r"```(?:\[[^\]]*\]|[A-Za-z0-9_+\-]*)\s*\r?\n([\s\S]*?)```", text)
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if not m:
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code = ""
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else:
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code = m.group(1).strip()
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# 检查是否有内容
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if not code:
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Path(tmp_path).unlink(missing_ok=True)
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return
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# 检查是否有 wl-copy 命令
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if not shutil.which('wl-copy'):
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print("Error: 未安装 wl-copy")
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Path(tmp_path).unlink(missing_ok=True)
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return
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# 复制到剪贴板
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process = subprocess.Popen(['wl-copy'], stdin=subprocess.PIPE, text=True)
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process.communicate(input=code)
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def _calculate_file_sha256(file_path):
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"""
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计算文件的SHA256哈希值
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Args:
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file_path (str): 文件路径
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Returns:
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str: 文件的SHA256哈希值（十六进制字符串）
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"""
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# 创建SHA256哈希对象
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sha256_hash = hashlib.sha256()
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# 以二进制模式打开文件
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with open(file_path, 'rb') as file:
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# 分块读取文件，避免内存问题
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for byte_block in iter(lambda: file.read(4096), b""):
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sha256_hash.update(byte_block)
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# 返回十六进制格式的哈希值
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return sha256_hash.hexdigest()
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def edit_and_copy(path: str, id: str) -> ActionResult:
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tmp_path = _create_tmp(template_edit)
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try:
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_prefill_edit(tmp_path, path, id)
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_open_with_nvim(tmp_path)
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_copy(tmp_path)
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# 清理临时文件
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return ActionResult(True, "")
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except Exception as e:
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print(f"Error: {e}")
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return ActionResult(False, str(e))
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finally:
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Path(tmp_path).unlink(missing_ok=True)
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def edit(path: str, id: str) -> ActionResult:
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tmp_path = _create_tmp(template_edit)
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primary_hash = _calculate_file_sha256(path)
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try:
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_prefill_edit(tmp_path, path, id)
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_open_with_nvim(tmp_path)
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new_hash = _calculate_file_sha256(path)
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if primary_hash == new_hash:
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return ActionResult(True, "文件未修改")
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edit_json = _parse_edit(tmp_path, id, path)
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response = run_edit(edit_json)
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if response.status == "SUCCESS":
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return ActionResult(True, response.data)
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else:
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return ActionResult(False, response.data)
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except Exception as e:
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print(f"Error: {e}")
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return ActionResult(False, str(e))
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finally:
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Path(tmp_path).unlink(missing_ok=True)
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def add() -> ActionResult:
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tmp_path = _create_tmp(template_add)
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primary_hash = _calculate_file_sha256(tmp_path)
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try:
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_open_with_nvim(tmp_path)
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new_hash = _calculate_file_sha256(tmp_path)
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if primary_hash == new_hash:
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return ActionResult(True, "内容为空")
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add_json = _parse_add(tmp_path)
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response = run_add(add_json)
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if response.status == "SUCCESS":
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return ActionResult(True, response.data)
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else:
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return ActionResult(False, response.data)
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except Exception as e:
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print(f"Error: {e}")
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return ActionResult(False, str(e))
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finally:
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Path(tmp_path).unlink(missing_ok=True)
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if __name__ == '__main__':
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tmp_path = _create_tmp(template_add)
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_open_with_nvim(tmp_path)
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add_json = _parse_add(tmp_path)
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print(add_json)
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