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408
dynanote.py
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408
dynanote.py
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#!/usr/bin/env python3
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"""
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DynaNote Shell - 使用 SM-2 算法的间隔重复闪卡系统
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"""
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import os
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import sys
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import cmd
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import toml
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import tempfile
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import subprocess
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from typing import Dict, List, Optional, Tuple
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from tabulate import tabulate
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# 导入现有模块
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import hasher
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import timer
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import sm2
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class MemoryUnit:
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"""表示单个记忆单元（闪卡）"""
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def __init__(self, name: str, unit_id: Optional[str] = None):
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self.name = name
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self.unit_id = unit_id or hasher.get_md5(name)
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self.attachments = set() # 元组集合 (字符串, 创建时间戳)
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self.created_time = timer.get_daystamp()
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self.algodata = {
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sm2.SM2Algorithm.algo_name: {
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'efactor': 2.5,
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'real_rept': 0,
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'rept': 0,
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'interval': 0,
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'last_date': 0,
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'next_date': 0,
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'is_activated': 0,
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'last_modify': timer.get_timestamp()
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}
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}
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def to_dict(self) -> Dict:
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"""将记忆单元转换为字典以便 TOML 序列化"""
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return {
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'name': self.name,
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'attachments': list(self.attachments),
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'created_time': self.created_time,
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'algodata': self.algodata
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}
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@classmethod
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def from_dict(cls, unit_id: str, data: Dict) -> 'MemoryUnit':
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"""从字典创建记忆单元"""
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unit = cls(data['name'], unit_id)
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unit.attachments = set(tuple(att) for att in data['attachments'])
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unit.created_time = data['created_time']
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unit.algodata = data['algodata']
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return unit
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class DynaNoteShell(cmd.Cmd):
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"""DynaNote 间隔重复系统的交互式 shell"""
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intro = '欢迎使用 DynaNote Shell. 输入 help 或 ? 查看命令列表. \n'
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prompt = '(dynanote) > '
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def __init__(self):
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super().__init__()
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self.data_file = './data.toml'
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self.memory_units: Dict[str, MemoryUnit] = {}
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self.selected_unit: Optional[MemoryUnit] = None
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self.load_data()
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def load_data(self) -> None:
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"""从 data.toml 文件加载记忆单元"""
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if os.path.exists(self.data_file):
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try:
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with open(self.data_file, 'r', encoding='utf-8') as f:
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data = toml.load(f)
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for unit_id, unit_data in data.items():
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self.memory_units[unit_id] = MemoryUnit.from_dict(unit_id, unit_data)
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print(f"已加载 {len(self.memory_units)} 个记忆单元")
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except Exception as e:
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print(f"加载数据时出错: {e}")
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else:
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print("未找到数据文件. 从空数据库开始. ")
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def save_data(self) -> None:
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"""将记忆单元保存到 data.toml 文件"""
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try:
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data = {}
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for unit_id, unit in self.memory_units.items():
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data[unit_id] = unit.to_dict()
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with open(self.data_file, 'w', encoding='utf-8') as f:
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toml.dump(data, f)
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print("数据保存成功")
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except Exception as e:
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print(f"保存数据时出错: {e}")
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def find_unit_by_prefix(self, prefix: str) -> Optional[str]:
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"""通过前缀查找单元 ID（类似 docker rm）"""
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matches = [unit_id for unit_id in self.memory_units.keys()
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if unit_id.startswith(prefix)]
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if len(matches) == 1:
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return matches[0]
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elif len(matches) > 1:
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print(f"多个单元匹配前缀 '{prefix}': {', '.join(matches)}")
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return None
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else:
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# 尝试通过名称查找
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name_matches = [unit_id for unit_id, unit in self.memory_units.items()
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if unit.name == prefix]
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if len(name_matches) == 1:
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return name_matches[0]
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elif len(name_matches) > 1:
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print(f"多个单元具有名称 '{prefix}'")
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return None
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return None
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def do_list(self, arg: str) -> None:
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"""列出记忆单元
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用法: list [all|整数]
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- list all: 显示所有记忆单元
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- list 5: 显示复习次数<=5且今天到期的单元
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- list: 同 'list 5'
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"""
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if not arg:
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arg = "5"
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if arg.lower() == "all":
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units_to_show = list(self.memory_units.values())
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else:
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try:
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max_reviews = int(arg)
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today = timer.get_daystamp()
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units_to_show = [
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unit for unit in self.memory_units.values()
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if unit.algodata[sm2.SM2Algorithm.algo_name]['real_rept'] <= max_reviews
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and unit.algodata[sm2.SM2Algorithm.algo_name]['next_date'] <= today
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]
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except ValueError:
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print("无效参数. 使用 'all' 或整数. ")
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return
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if not units_to_show:
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print("没有符合条件的记忆单元")
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return
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# 准备 tabulate 数据
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table_data = []
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for unit in units_to_show:
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algodata = unit.algodata[sm2.SM2Algorithm.algo_name]
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table_data.append([
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unit.unit_id[:8] + "...",
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unit.name,
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algodata['real_rept'],
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algodata['efactor'],
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algodata['next_date'],
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len(unit.attachments)
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])
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headers = ["ID", "名称", "复习次数", "EFactor", "下次复习", "附件数"]
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print(tabulate(table_data, headers=headers, tablefmt="grid"))
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def do_select(self, arg: str) -> None:
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"""通过 ID、前缀或名称选择记忆单元
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用法: select <单元ID|前缀|名称>
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"""
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if not arg:
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print("请提供单元 ID、前缀或名称")
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return
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unit_id = self.find_unit_by_prefix(arg)
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if unit_id:
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self.selected_unit = self.memory_units[unit_id]
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print(f"已选择单元: {self.selected_unit.name} ({unit_id[:8]}...)")
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else:
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print(f"未找到唯一匹配 '{arg}' 的单元")
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def do_attach(self, arg: str) -> None:
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"""将字符串附加到选定的记忆单元
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用法: attach <字符串>
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"""
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if not self.selected_unit:
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print("未选择单元. 请先使用 'select'. ")
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return
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if not arg:
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print("请提供要附加的字符串")
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return
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attachment = (arg, int(timer.get_timestamp()))
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self.selected_unit.attachments.add(attachment)
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print(f"附件已添加到 {self.selected_unit.name}")
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def do_new(self, arg: str) -> None:
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"""创建新的记忆单元
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用法: new <名称>
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"""
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if not arg:
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print("请提供新单元的名称")
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return
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unit = MemoryUnit(arg)
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self.memory_units[unit.unit_id] = unit
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self.selected_unit = unit
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print(f"已创建新单元: {unit.name} ({unit.unit_id[:8]}...)")
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def do_del(self, arg: str) -> None:
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"""删除记忆单元
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用法: del <单元ID|前缀|名称>
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"""
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if not arg:
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print("请提供单元 ID、前缀或名称")
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return
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unit_id = self.find_unit_by_prefix(arg)
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if unit_id:
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unit_name = self.memory_units[unit_id].name
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del self.memory_units[unit_id]
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# 如果删除的是当前选中的单元，则清除选择
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if self.selected_unit and self.selected_unit.unit_id == unit_id:
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self.selected_unit = None
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print(f"已删除单元: {unit_name}")
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else:
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print(f"未找到唯一匹配 '{arg}' 的单元")
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def do_mark(self, arg: str) -> None:
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"""使用评分（0-5）更新 SM-2 算法
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用法: mark <评分>
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"""
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if not self.selected_unit:
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print("未选择单元. 请先使用 'select'. ")
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return
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try:
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rating = int(arg)
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if rating < 0 or rating > 5:
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print("评分必须在 0 到 5 之间")
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return
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except ValueError:
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print("请提供有效的整数评分（0-5）")
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return
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# 显示评分标准以确认
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print("\nSM-2 评分标准:")
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print(" 5 - 完美回答")
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print(" 4 - 犹豫后正确回答")
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print(" 3 - 经过严重困难后回忆起正确答案")
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print(" 2 - 错误回答; 但记得正确答案")
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print(" 1 - 错误回答; 但正确答案似乎熟悉")
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print(" 0 - 完全遗忘")
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# 请求确认
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response = input(f"\n确认对 '{self.selected_unit.name}' 评分 {rating}？(y/N): ")
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if response.lower() not in ['y', 'yes']:
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print("评分已取消")
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return
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sm2.SM2Algorithm.revisor(self.selected_unit.algodata, rating)
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print(f"已使用评分 {rating} 更新 {self.selected_unit.name} 的 SM-2 参数")
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def do_show(self, arg: str) -> None:
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"""显示选定记忆单元的详细信息
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用法: show
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"""
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if not self.selected_unit:
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print("未选择单元. 请先使用 'select'. ")
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return
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unit = self.selected_unit
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algodata = unit.algodata[sm2.SM2Algorithm.algo_name]
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print(f"\n记忆单元: {unit.name}")
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print(f"ID: {unit.unit_id}")
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print(f"创建时间: {unit.created_time}")
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print(f"\nSM-2 算法数据:")
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print(f" EFactor: {algodata['efactor']}")
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print(f" 实际复习次数: {algodata['real_rept']}")
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print(f" 当前重复次数: {algodata['rept']}")
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print(f" 间隔: {algodata['interval']} 天")
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print(f" 上次复习: {algodata['last_date']}")
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print(f" 下次复习: {algodata['next_date']}")
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print(f" 是否激活: {algodata['is_activated']}")
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if unit.attachments:
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print(f"\n附件 ({len(unit.attachments)}):")
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for i, (text, timestamp) in enumerate(unit.attachments, 1):
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print(f" {i}. {text[:50]}{'...' if len(text) > 50 else ''} (于 {timestamp})")
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else:
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print("\n无附件")
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def do_edit(self, arg: str) -> None:
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"""使用 nano 编辑器编辑选定的记忆单元
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用法: edit
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"""
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if not self.selected_unit:
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print("未选择单元. 请先使用 'select'. ")
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return
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# 创建包含单元数据的临时文件
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with tempfile.NamedTemporaryFile(mode='w', suffix='.toml', delete=False) as f:
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temp_file = f.name
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toml.dump({self.selected_unit.unit_id: self.selected_unit.to_dict()}, f)
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try:
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# 启动 nano 编辑器
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subprocess.run(['nano', temp_file], check=True)
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# 读取编辑后的文件
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with open(temp_file, 'r', encoding='utf-8') as f:
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edited_data = toml.load(f)
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# 更新记忆单元
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if self.selected_unit.unit_id in edited_data:
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updated_data = edited_data[self.selected_unit.unit_id]
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self.memory_units[self.selected_unit.unit_id] = MemoryUnit.from_dict(
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self.selected_unit.unit_id, updated_data
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)
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self.selected_unit = self.memory_units[self.selected_unit.unit_id]
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print("单元更新成功")
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else:
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print("错误: 在编辑后的文件中未找到单元 ID")
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except subprocess.CalledProcessError:
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print("编辑器已关闭但未保存")
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except Exception as e:
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print(f"编辑单元时出错: {e}")
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finally:
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# 清理临时文件
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if os.path.exists(temp_file):
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os.unlink(temp_file)
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def do_clear(self, arg: str) -> None:
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"""清屏
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用法: clear
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"""
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os.system('clear')
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def do_help(self, arg: str) -> None:
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"""显示帮助和 SM-2 评分标准
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用法: help
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"""
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print("\nDynaNote Shell 命令:")
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print(" list [all|整数] - 列出记忆单元")
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print(" select <id|前缀|名称> - 选择记忆单元")
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print(" attach <字符串> - 将字符串附加到选定单元")
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print(" new <名称> - 创建新记忆单元")
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print(" del <id|前缀|名称> - 删除记忆单元")
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print(" mark <评分> - 使用评分（0-5）更新 SM-2")
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print(" show - 显示选定单元详情")
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print(" edit - 使用 nano 编辑选定单元")
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print(" clear - 清屏")
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print(" help - 显示此帮助")
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print(" exit - 退出 shell")
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print("\nSM-2 评分标准:")
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print(" 5 - 完美回答")
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print(" 4 - 犹豫后正确回答")
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print(" 3 - 经过严重困难后回忆起正确答案")
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print(" 2 - 错误回答; 但记得正确答案")
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print(" 1 - 错误回答; 但正确答案似乎熟悉")
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print(" 0 - 完全遗忘")
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def do_exit(self, arg: str) -> bool:
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"""退出 shell
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用法: exit
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"""
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self.save_data()
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print("再见！")
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return True
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def do_quit(self, arg: str) -> bool:
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"""退出 shell（exit 的别名）
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用法: quit
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"""
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return self.do_exit(arg)
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# 别名
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def do_sel(self, arg: str) -> None:
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"""select 命令的别名"""
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self.do_select(arg)
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def do_ls(self, arg: str) -> None:
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"""list 命令的别名"""
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self.do_list(arg)
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def main():
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"""主入口点"""
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try:
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DynaNoteShell().cmdloop()
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except KeyboardInterrupt:
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print("\n用户中断")
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except Exception as e:
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print(f"错误: {e}")
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if __name__ == '__main__':
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main()
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