feat: 知识管理平台精简版 - PyQt6桌面应用

主要功能:
- 账号管理:添加/编辑/删除账号,测试登录
- 浏览任务:批量浏览应读/选读内容并标记已读
- 截图管理:wkhtmltoimage截图,查看历史
- 金山文档:扫码登录/微信快捷登录,自动上传截图

技术栈:
- PyQt6 GUI框架
- Playwright 浏览器自动化
- SQLite 本地数据存储
- wkhtmltoimage 网页截图

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
2026-01-18 22:16:36 +08:00
commit 83fef6dff2
24 changed files with 6133 additions and 0 deletions

13
utils/__init__.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""工具模块"""
from .storage import load_config, save_config
from .crypto import encrypt_password, decrypt_password, is_encrypted
from .worker import Worker, WorkerSignals
__all__ = [
'load_config', 'save_config',
'encrypt_password', 'decrypt_password', 'is_encrypted',
'Worker', 'WorkerSignals'
]

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utils/crypto.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
加密工具模块 - 精简版
用于加密存储敏感信息(如第三方账号密码)
使用Fernet对称加密
"""
import os
import base64
from pathlib import Path
from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
def _get_key_paths():
"""获取密钥文件路径"""
from config import ENCRYPTION_KEY_FILE, ENCRYPTION_SALT_FILE
return ENCRYPTION_KEY_FILE, ENCRYPTION_SALT_FILE
def _get_or_create_salt() -> bytes:
"""获取或创建盐值"""
_, salt_path = _get_key_paths()
if salt_path.exists():
with open(salt_path, 'rb') as f:
return f.read()
# 生成新的盐值
salt = os.urandom(16)
salt_path.parent.mkdir(parents=True, exist_ok=True)
with open(salt_path, 'wb') as f:
f.write(salt)
return salt
def _derive_key(password: bytes, salt: bytes) -> bytes:
"""从密码派生加密密钥"""
kdf = PBKDF2HMAC(
algorithm=hashes.SHA256(),
length=32,
salt=salt,
iterations=480000, # OWASP推荐的迭代次数
)
return base64.urlsafe_b64encode(kdf.derive(password))
def get_encryption_key() -> bytes:
"""获取加密密钥(优先环境变量,否则从文件读取或生成)"""
key_path, _ = _get_key_paths()
# 优先从环境变量读取
env_key = os.environ.get('ENCRYPTION_KEY')
if env_key:
salt = _get_or_create_salt()
return _derive_key(env_key.encode(), salt)
# 从文件读取
if key_path.exists():
with open(key_path, 'rb') as f:
return f.read()
# 生成新的密钥
key = Fernet.generate_key()
key_path.parent.mkdir(parents=True, exist_ok=True)
with open(key_path, 'wb') as f:
f.write(key)
print(f"[OK] 已生成新的加密密钥")
return key
# 全局Fernet实例
_fernet = None
def _get_fernet() -> Fernet:
"""获取Fernet加密器懒加载"""
global _fernet
if _fernet is None:
key = get_encryption_key()
_fernet = Fernet(key)
return _fernet
def encrypt_password(plain_password: str) -> str:
"""
加密密码
Args:
plain_password: 明文密码
Returns:
str: 加密后的密码base64编码
"""
if not plain_password:
return ''
fernet = _get_fernet()
encrypted = fernet.encrypt(plain_password.encode('utf-8'))
return encrypted.decode('utf-8')
def decrypt_password(encrypted_password: str) -> str:
"""
解密密码
Args:
encrypted_password: 加密的密码
Returns:
str: 明文密码
"""
if not encrypted_password:
return ''
try:
fernet = _get_fernet()
decrypted = fernet.decrypt(encrypted_password.encode('utf-8'))
return decrypted.decode('utf-8')
except Exception as e:
# 解密失败,可能是旧的明文密码
print(f"[Warning] 密码解密失败,可能是未加密的旧数据: {e}")
return encrypted_password
def is_encrypted(password: str) -> bool:
"""
检查密码是否已加密
Fernet加密的数据以'gAAAAA'开头
Args:
password: 要检查的密码
Returns:
bool: 是否已加密
"""
if not password:
return False
return password.startswith('gAAAAA')
def migrate_password(password: str) -> str:
"""
迁移密码:如果是明文则加密,如果已加密则保持不变
Args:
password: 密码(可能是明文或已加密)
Returns:
str: 加密后的密码
"""
if is_encrypted(password):
return password
return encrypt_password(password)

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
SQLite storage module - local database for config and accounts
"""
import sqlite3
import json
import os
from pathlib import Path
from typing import TYPE_CHECKING, List, Optional
from contextlib import contextmanager
if TYPE_CHECKING:
from config import AppConfig, AccountConfig
def _get_db_path() -> Path:
"""Get database file path"""
from config import DATA_DIR
return DATA_DIR / "zsglpt.db"
@contextmanager
def get_connection():
"""Get database connection with context manager"""
db_path = _get_db_path()
db_path.parent.mkdir(parents=True, exist_ok=True)
conn = sqlite3.connect(str(db_path))
conn.row_factory = sqlite3.Row
try:
yield conn
conn.commit()
except Exception:
conn.rollback()
raise
finally:
conn.close()
def init_database():
"""Initialize database tables"""
with get_connection() as conn:
cursor = conn.cursor()
# Accounts table
cursor.execute('''
CREATE TABLE IF NOT EXISTS accounts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT NOT NULL UNIQUE,
password TEXT NOT NULL,
remark TEXT DEFAULT '',
enabled INTEGER DEFAULT 1,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
''')
# Settings table (key-value store)
cursor.execute('''
CREATE TABLE IF NOT EXISTS settings (
key TEXT PRIMARY KEY,
value TEXT NOT NULL,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
''')
# Create index
cursor.execute('''
CREATE INDEX IF NOT EXISTS idx_accounts_username ON accounts(username)
''')
def _ensure_db():
"""Ensure database is initialized"""
db_path = _get_db_path()
if not db_path.exists():
init_database()
# ==================== Account Operations ====================
def get_all_accounts() -> List[dict]:
"""Get all accounts from database"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('SELECT * FROM accounts ORDER BY id')
rows = cursor.fetchall()
return [dict(row) for row in rows]
def get_account_by_username(username: str) -> Optional[dict]:
"""Get account by username"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('SELECT * FROM accounts WHERE username = ?', (username,))
row = cursor.fetchone()
return dict(row) if row else None
def add_account(username: str, password: str, remark: str = '', enabled: bool = True) -> int:
"""Add new account, returns account id"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('''
INSERT INTO accounts (username, password, remark, enabled)
VALUES (?, ?, ?, ?)
''', (username, password, remark, 1 if enabled else 0))
return cursor.lastrowid
def update_account(account_id: int, username: str, password: str, remark: str, enabled: bool):
"""Update existing account"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('''
UPDATE accounts
SET username = ?, password = ?, remark = ?, enabled = ?, updated_at = CURRENT_TIMESTAMP
WHERE id = ?
''', (username, password, remark, 1 if enabled else 0, account_id))
def delete_account(account_id: int):
"""Delete account by id"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('DELETE FROM accounts WHERE id = ?', (account_id,))
def delete_account_by_username(username: str):
"""Delete account by username"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('DELETE FROM accounts WHERE username = ?', (username,))
# ==================== Settings Operations ====================
def get_setting(key: str, default: str = '') -> str:
"""Get setting value by key"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('SELECT value FROM settings WHERE key = ?', (key,))
row = cursor.fetchone()
return row['value'] if row else default
def set_setting(key: str, value: str):
"""Set setting value"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('''
INSERT OR REPLACE INTO settings (key, value, updated_at)
VALUES (?, ?, CURRENT_TIMESTAMP)
''', (key, value))
def get_all_settings() -> dict:
"""Get all settings as dictionary"""
_ensure_db()
with get_connection() as conn:
cursor = conn.cursor()
cursor.execute('SELECT key, value FROM settings')
rows = cursor.fetchall()
return {row['key']: row['value'] for row in rows}
# ==================== Config Bridge (compatibility with existing code) ====================
def load_config() -> "AppConfig":
"""
Load config from SQLite database
Returns AppConfig object for compatibility
"""
from config import AppConfig, AccountConfig, KDocsConfig, ScreenshotConfig, ProxyConfig, ZSGLConfig, SCREENSHOTS_DIR
_ensure_db()
config = AppConfig()
# Load accounts
accounts = get_all_accounts()
config.accounts = [
AccountConfig(
username=a['username'],
password=a['password'],
remark=a['remark'] or '',
enabled=bool(a['enabled'])
) for a in accounts
]
# Load settings
settings = get_all_settings()
# KDocs config - 默认文档链接
DEFAULT_KDOCS_URL = 'https://kdocs.cn/l/cpwEOo5ynKX4'
config.kdocs = KDocsConfig(
enabled=settings.get('kdocs_enabled', 'false').lower() == 'true',
doc_url=settings.get('kdocs_doc_url', '') or DEFAULT_KDOCS_URL, # 空字符串也用默认值
sheet_name=settings.get('kdocs_sheet_name', 'Sheet1'),
sheet_index=int(settings.get('kdocs_sheet_index', '0')),
unit_column=settings.get('kdocs_unit_column', 'A'),
image_column=settings.get('kdocs_image_column', 'D'),
unit=settings.get('kdocs_unit', ''),
name_column=settings.get('kdocs_name_column', 'C'),
row_start=int(settings.get('kdocs_row_start', '0')),
row_end=int(settings.get('kdocs_row_end', '0')),
)
# Screenshot config
config.screenshot = ScreenshotConfig(
dir=settings.get('screenshot_dir', str(SCREENSHOTS_DIR)),
quality=int(settings.get('screenshot_quality', '95')),
width=int(settings.get('screenshot_width', '1920')),
height=int(settings.get('screenshot_height', '1080')),
js_delay_ms=int(settings.get('screenshot_js_delay_ms', '3000')),
timeout_seconds=int(settings.get('screenshot_timeout_seconds', '60')),
wkhtmltoimage_path=settings.get('screenshot_wkhtmltoimage_path', ''),
)
# Proxy config
config.proxy = ProxyConfig(
enabled=settings.get('proxy_enabled', 'false').lower() == 'true',
server=settings.get('proxy_server', ''),
)
# ZSGL config
config.zsgl = ZSGLConfig(
base_url=settings.get('zsgl_base_url', 'https://postoa.aidunsoft.com'),
login_url=settings.get('zsgl_login_url', 'https://postoa.aidunsoft.com/admin/login.aspx'),
index_url_pattern=settings.get('zsgl_index_url_pattern', 'index.aspx'),
)
# Theme
config.theme = settings.get('theme', 'light')
return config
def save_config(config: "AppConfig") -> bool:
"""
Save config to SQLite database
"""
_ensure_db()
try:
with get_connection() as conn:
cursor = conn.cursor()
# Save accounts - first get existing accounts
existing_usernames = set()
cursor.execute('SELECT username FROM accounts')
for row in cursor.fetchall():
existing_usernames.add(row['username'])
# Update or insert accounts
config_usernames = set()
for account in config.accounts:
config_usernames.add(account.username)
if account.username in existing_usernames:
# Update existing
cursor.execute('''
UPDATE accounts
SET password = ?, remark = ?, enabled = ?, updated_at = CURRENT_TIMESTAMP
WHERE username = ?
''', (account.password, account.remark, 1 if account.enabled else 0, account.username))
else:
# Insert new
cursor.execute('''
INSERT INTO accounts (username, password, remark, enabled)
VALUES (?, ?, ?, ?)
''', (account.username, account.password, account.remark, 1 if account.enabled else 0))
# Delete removed accounts
removed = existing_usernames - config_usernames
for username in removed:
cursor.execute('DELETE FROM accounts WHERE username = ?', (username,))
# Save settings
settings_to_save = {
# KDocs
'kdocs_enabled': str(config.kdocs.enabled).lower(),
'kdocs_doc_url': config.kdocs.doc_url,
'kdocs_sheet_name': config.kdocs.sheet_name,
'kdocs_sheet_index': str(config.kdocs.sheet_index),
'kdocs_unit_column': config.kdocs.unit_column,
'kdocs_image_column': config.kdocs.image_column,
'kdocs_unit': config.kdocs.unit,
'kdocs_name_column': config.kdocs.name_column,
'kdocs_row_start': str(config.kdocs.row_start),
'kdocs_row_end': str(config.kdocs.row_end),
# Screenshot
'screenshot_dir': config.screenshot.dir,
'screenshot_quality': str(config.screenshot.quality),
'screenshot_width': str(config.screenshot.width),
'screenshot_height': str(config.screenshot.height),
'screenshot_js_delay_ms': str(config.screenshot.js_delay_ms),
'screenshot_timeout_seconds': str(config.screenshot.timeout_seconds),
'screenshot_wkhtmltoimage_path': config.screenshot.wkhtmltoimage_path,
# Proxy
'proxy_enabled': str(config.proxy.enabled).lower(),
'proxy_server': config.proxy.server,
# ZSGL
'zsgl_base_url': config.zsgl.base_url,
'zsgl_login_url': config.zsgl.login_url,
'zsgl_index_url_pattern': config.zsgl.index_url_pattern,
# Theme
'theme': config.theme,
}
for key, value in settings_to_save.items():
cursor.execute('''
INSERT OR REPLACE INTO settings (key, value, updated_at)
VALUES (?, ?, CURRENT_TIMESTAMP)
''', (key, value))
return True
except Exception as e:
print(f"[Error] Save config failed: {e}")
return False
def backup_config() -> bool:
"""Backup database file"""
db_path = _get_db_path()
if not db_path.exists():
return False
backup_path = db_path.with_suffix('.db.bak')
try:
import shutil
shutil.copy2(db_path, backup_path)
return True
except IOError as e:
print(f"[Error] Backup failed: {e}")
return False
def restore_config() -> bool:
"""Restore database from backup"""
db_path = _get_db_path()
backup_path = db_path.with_suffix('.db.bak')
if not backup_path.exists():
return False
try:
import shutil
shutil.copy2(backup_path, db_path)
return True
except IOError as e:
print(f"[Error] Restore failed: {e}")
return False
def migrate_from_json():
"""Migrate data from old JSON config to SQLite"""
from config import CONFIG_FILE
if not CONFIG_FILE.exists():
return False
try:
with open(CONFIG_FILE, 'r', encoding='utf-8') as f:
data = json.load(f)
# Load using old format
from config import AppConfig
old_config = AppConfig.from_dict(data)
# Save to SQLite
save_config(old_config)
# Rename old file
backup = CONFIG_FILE.with_suffix('.json.migrated')
CONFIG_FILE.rename(backup)
print(f"[Info] Migrated from JSON to SQLite, old file renamed to {backup}")
return True
except Exception as e:
print(f"[Error] Migration failed: {e}")
return False

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
后台线程管理模块
使用QThread实现非阻塞的后台任务
"""
from typing import Callable, Any, Optional
from PyQt6.QtCore import QObject, QThread, pyqtSignal
class WorkerSignals(QObject):
"""工作线程信号类"""
# 进度信号:(百分比, 消息)
progress = pyqtSignal(int, str)
# 日志信号:日志消息
log = pyqtSignal(str)
# 完成信号:(成功/失败, 结果/错误消息)
finished = pyqtSignal(bool, str)
# 截图完成信号:截图文件路径
screenshot_ready = pyqtSignal(str)
# 通用结果信号:任意结果对象
result = pyqtSignal(object)
# 错误信号
error = pyqtSignal(str)
class Worker(QThread):
"""
通用后台工作线程
用法:
worker = Worker(some_function, arg1, arg2, kwarg1=value1)
worker.signals.finished.connect(on_finished)
worker.signals.progress.connect(on_progress)
worker.start()
"""
def __init__(self, fn: Callable, *args, **kwargs):
super().__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
self._is_stopped = False
def run(self):
"""执行后台任务"""
try:
# 把信号传递给任务函数,方便回调
self.kwargs['_signals'] = self.signals
self.kwargs['_should_stop'] = self.should_stop
result = self.fn(*self.args, **self.kwargs)
if not self._is_stopped:
self.signals.result.emit(result)
self.signals.finished.emit(True, "完成")
except Exception as e:
if not self._is_stopped:
error_msg = str(e)
self.signals.error.emit(error_msg)
self.signals.finished.emit(False, error_msg)
def stop(self):
"""停止线程"""
self._is_stopped = True
def should_stop(self) -> bool:
"""检查是否应该停止"""
return self._is_stopped
class TaskRunner:
"""
任务运行器
管理多个后台任务,确保不会同时运行太多任务
"""
def __init__(self, max_workers: int = 1):
self.max_workers = max_workers
self._workers: list[Worker] = []
self._queue: list[tuple] = [] # (fn, args, kwargs, callbacks)
def submit(self, fn: Callable, *args,
on_progress: Optional[Callable] = None,
on_log: Optional[Callable] = None,
on_finished: Optional[Callable] = None,
on_result: Optional[Callable] = None,
on_error: Optional[Callable] = None,
**kwargs) -> Optional[Worker]:
"""
提交任务
Args:
fn: 要执行的函数
*args: 位置参数
on_progress: 进度回调 (percent, message)
on_log: 日志回调 (message)
on_finished: 完成回调 (success, message)
on_result: 结果回调 (result)
on_error: 错误回调 (error_message)
**kwargs: 关键字参数
Returns:
Worker对象如果队列满了返回None
"""
callbacks = {
'on_progress': on_progress,
'on_log': on_log,
'on_finished': on_finished,
'on_result': on_result,
'on_error': on_error,
}
# 清理已完成的worker
self._workers = [w for w in self._workers if w.isRunning()]
if len(self._workers) >= self.max_workers:
# 加入队列等待
self._queue.append((fn, args, kwargs, callbacks))
return None
return self._start_worker(fn, args, kwargs, callbacks)
def _start_worker(self, fn: Callable, args: tuple, kwargs: dict,
callbacks: dict) -> Worker:
"""启动一个worker"""
worker = Worker(fn, *args, **kwargs)
# 连接信号
if callbacks.get('on_progress'):
worker.signals.progress.connect(callbacks['on_progress'])
if callbacks.get('on_log'):
worker.signals.log.connect(callbacks['on_log'])
if callbacks.get('on_result'):
worker.signals.result.connect(callbacks['on_result'])
if callbacks.get('on_error'):
worker.signals.error.connect(callbacks['on_error'])
# 完成时的处理
def on_worker_finished(success, message):
if callbacks.get('on_finished'):
callbacks['on_finished'](success, message)
# 处理队列中的下一个任务
self._process_queue()
worker.signals.finished.connect(on_worker_finished)
self._workers.append(worker)
worker.start()
return worker
def _process_queue(self):
"""处理队列中的任务"""
# 清理已完成的worker
self._workers = [w for w in self._workers if w.isRunning()]
if self._queue and len(self._workers) < self.max_workers:
fn, args, kwargs, callbacks = self._queue.pop(0)
self._start_worker(fn, args, kwargs, callbacks)
def stop_all(self):
"""停止所有任务"""
for worker in self._workers:
worker.stop()
self._queue.clear()
def is_running(self) -> bool:
"""检查是否有任务在运行"""
return any(w.isRunning() for w in self._workers)
@property
def running_count(self) -> int:
"""运行中的任务数"""
return sum(1 for w in self._workers if w.isRunning())
@property
def queue_size(self) -> int:
"""队列中等待的任务数"""
return len(self._queue)
# 全局任务运行器
_task_runner: Optional[TaskRunner] = None
def get_task_runner() -> TaskRunner:
"""获取全局任务运行器"""
global _task_runner
if _task_runner is None:
_task_runner = TaskRunner(max_workers=1)
return _task_runner