Files

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Python

"""Account management services for the PySide6 accounts tab."""
from __future__ import annotations
import os
import time
from datetime import datetime
from typing import Optional
from urllib.parse import urlparse
from . import appconfig, cdp, chrome, db, editor
from . import config as account_config
DEFAULT_REGION_HOST = editor.DEFAULT_REGION_HOST
INITIAL_LOGIN_TAB_WAIT_SECONDS = 2.0
INITIAL_LOGIN_TAB_POLL_SECONDS = 0.1
SAFE_STARTUP_PAGE_PREFIXES = (
"about:blank",
"chrome://newtab",
"chrome://new-tab-page",
"chrome://welcome",
"chrome://intro",
)
class AccountError(RuntimeError):
"""Raised when account management cannot complete an operation."""
def _now() -> str:
return datetime.now().isoformat(timespec="seconds")
def _db_path(path=None, config=None) -> str:
return path or appconfig.db_path(config)
def _trim(value) -> str:
return str(value or "").strip()
def _optional_text(value) -> Optional[str]:
text = _trim(value)
return text or None
def _required_text(value, field_name: str) -> str:
text = _trim(value)
if not text:
raise AccountError(f"{field_name}不能为空")
return text
def _account_value(account, field, default=None):
if isinstance(account, dict):
return account.get(field, default)
return getattr(account, field, default)
def normalize_region_host(value=None) -> str:
text = _trim(value) or DEFAULT_REGION_HOST
if "://" in text:
text = urlparse(text).netloc
text = text.strip("/")
if "/" in text:
text = text.split("/", 1)[0]
return text or DEFAULT_REGION_HOST
def normalize_debug_port(value) -> int:
try:
port = int(value)
except (TypeError, ValueError) as exc:
raise AccountError("调试端口必须是数字") from exc
if port <= 0 or port > 65535:
raise AccountError("调试端口必须在 1-65535 范围内")
return port
def preview_user_data_dir(alias, config=None) -> str:
slug = account_config.make_slug(alias)
root = appconfig.user_data_root(config)
return os.path.abspath(os.path.join(str(root), slug))
def mask_password(password) -> str:
return "******" if password else ""
def next_debug_port(config=None, path=None) -> int:
cfg = appconfig.load_config() if config is None else config
start, end = appconfig.debug_port_range(cfg)
database_path = _db_path(path, cfg)
db.init_db(database_path)
used = {int(account.debug_port) for account in db.list_accounts(path=database_path)}
for port in range(start, end + 1):
if port not in used:
return port
return end + 1
def _assert_debug_port_available(port, database_path, ignore_alias=None) -> None:
used_by = [
account.alias
for account in db.list_accounts(path=database_path)
if int(account.debug_port) == int(port) and account.alias != ignore_alias
]
if used_by:
raise AccountError(f"调试端口 {port} 已被账号 {used_by[0]} 使用")
def list_accounts(path=None, config=None):
database_path = _db_path(path, config)
db.init_db(database_path)
return db.list_accounts(path=database_path)
def get_account(alias, path=None, config=None):
database_path = _db_path(path, config)
db.init_db(database_path)
account = db.get_account_by_alias(alias, path=database_path)
if account is None:
raise AccountError(f"账号不存在: {alias}")
return account
def create_account(
account_name,
alias,
region_host=None,
debug_port=None,
password=None,
note=None,
path=None,
config=None,
):
cfg = appconfig.load_config() if config is None else config
database_path = _db_path(path, cfg)
db.init_db(database_path)
account_name = _required_text(account_name, "账号名")
alias = _required_text(alias, "别名")
region_host = normalize_region_host(region_host)
port = normalize_debug_port(
next_debug_port(config=cfg, path=database_path) if debug_port is None else debug_port
)
_assert_debug_port_available(port, database_path)
slug = account_config.make_slug(alias)
user_data_dir = account_config.ensure_user_data_dir(slug, config=cfg)
try:
return db.add_account(
account_name,
alias,
region_host,
port,
password=_optional_text(password),
note=_optional_text(note),
slug=slug,
user_data_dir=user_data_dir,
path=database_path,
)
except db.DbError as exc:
raise AccountError(str(exc)) from exc
def update_account(
original_alias,
account_name,
alias,
region_host=None,
debug_port=None,
password=None,
note=None,
path=None,
config=None,
):
cfg = appconfig.load_config() if config is None else config
database_path = _db_path(path, cfg)
existing = get_account(original_alias, path=database_path, config=cfg)
account_name = _required_text(account_name, "账号名")
alias = _required_text(alias, "别名")
region_host = normalize_region_host(region_host)
port = normalize_debug_port(debug_port)
_assert_debug_port_available(port, database_path, ignore_alias=existing.alias)
if alias != existing.alias:
slug = account_config.make_slug(alias)
user_data_dir = account_config.ensure_user_data_dir(slug, config=cfg)
else:
slug = existing.slug
user_data_dir = os.path.abspath(existing.user_data_dir)
os.makedirs(user_data_dir, exist_ok=True)
try:
db.update_account(
original_alias,
path=database_path,
account_name=account_name,
alias=alias,
region_host=region_host,
slug=slug,
user_data_dir=user_data_dir,
debug_port=port,
password=_optional_text(password),
note=_optional_text(note),
)
return get_account(alias, path=database_path, config=cfg)
except db.DbError as exc:
raise AccountError(str(exc)) from exc
def delete_account(alias, path=None, config=None) -> None:
database_path = _db_path(path, config)
db.init_db(database_path)
db.delete_account(alias, path=database_path)
def resolve_account(account_or_alias, path=None, config=None):
if isinstance(account_or_alias, str):
return get_account(account_or_alias, path=path, config=config)
return account_or_alias
def _debug_host(account) -> str:
return f"{chrome.CDP_HOST}:{normalize_debug_port(_account_value(account, 'debug_port'))}"
def _seller_portal_url(account) -> str:
return f"https://{normalize_region_host(_account_value(account, 'region_host'))}/portal/"
def _page_tabs(host):
return [
tab
for tab in cdp.http_get("/json", host=host)
if tab.get("type") == "page"
]
def _find_login_tab_in_tabs(account, tabs):
region_host = normalize_region_host(_account_value(account, 'region_host')).lower()
seller_tabs = []
login_tabs = []
for tab in tabs:
url = str(tab.get("url") or "")
lower_url = url.lower()
if region_host in lower_url:
seller_tabs.append(tab)
elif "accounts.shopee." in lower_url and "/seller/login" in lower_url:
login_tabs.append(tab)
return (seller_tabs or login_tabs or [None])[0]
def _find_login_tab(account, host):
return _find_login_tab_in_tabs(account, _page_tabs(host))
def _wait_for_initial_login_tab(account, host, timeout=INITIAL_LOGIN_TAB_WAIT_SECONDS):
timeout = max(0.0, float(timeout))
deadline = time.monotonic() + timeout
last_tabs = []
probe_error = None
first_probe = True
while first_probe or time.monotonic() < deadline:
first_probe = False
try:
last_tabs = _page_tabs(host)
probe_error = None
except Exception as exc:
probe_error = exc.__class__.__name__
tab = _find_login_tab_in_tabs(account, last_tabs)
if tab:
return tab, last_tabs, probe_error
remaining = deadline - time.monotonic()
if remaining <= 0:
break
time.sleep(min(INITIAL_LOGIN_TAB_POLL_SECONDS, remaining))
return None, last_tabs, probe_error
def _safe_startup_page(tabs):
if len(tabs) != 1:
return None
tab = tabs[0]
url = str(tab.get("url") or "").strip().lower()
if not url or any(url.startswith(prefix) for prefix in SAFE_STARTUP_PAGE_PREFIXES):
return tab
return None
def _navigate_page_target(tab, url):
websocket_url = tab.get("webSocketDebuggerUrl")
if not websocket_url:
raise AccountError("Chrome 初始页面缺少 CDP 地址,无法复用")
client = cdp.CDP(websocket_url)
try:
result = client.send("Page.navigate", {"url": url})
finally:
client.close()
if result.get("errorText"):
raise AccountError("Chrome 初始页面导航到蝦皮卖家中心失败")
def _activate_login_tab_result(
tab,
host,
portal_url,
*,
created_tab=False,
startup_target_reused=False,
startup_page_navigated=False,
page_target_count=0,
fallback_reason=None,
target_probe_error=None,
):
target_id = tab.get("id")
if target_id:
cdp.activate_tab(target_id, host=host)
return {
"target_id": target_id,
"url": tab.get("url") or portal_url,
"created_tab": bool(created_tab),
"startup_target_reused": bool(startup_target_reused),
"startup_page_navigated": bool(startup_page_navigated),
"page_target_count": int(page_target_count),
"fallback_reason": fallback_reason,
"target_probe_error": target_probe_error,
}
def _open_or_activate_login_tab(
account,
*,
newly_launched=False,
startup_wait_timeout=INITIAL_LOGIN_TAB_WAIT_SECONDS,
):
host = _debug_host(account)
portal_url = _seller_portal_url(account)
if newly_launched:
tab, tabs, probe_error = _wait_for_initial_login_tab(
account,
host,
timeout=startup_wait_timeout,
)
else:
tabs = _page_tabs(host)
tab = _find_login_tab_in_tabs(account, tabs)
probe_error = None
if tab:
return _activate_login_tab_result(
tab,
host,
portal_url,
startup_target_reused=newly_launched,
page_target_count=len(tabs),
target_probe_error=probe_error,
)
fallback_reason = "existing_chrome_no_login_tab"
if newly_launched:
startup_tab = _safe_startup_page(tabs)
if startup_tab:
try:
_navigate_page_target(startup_tab, portal_url)
except Exception as exc:
fallback_reason = "startup_navigation_failed"
probe_error = probe_error or exc.__class__.__name__
else:
navigated_tab = dict(startup_tab)
navigated_tab["url"] = portal_url
return _activate_login_tab_result(
navigated_tab,
host,
portal_url,
startup_target_reused=True,
startup_page_navigated=True,
page_target_count=len(tabs),
target_probe_error=probe_error,
)
elif tabs:
fallback_reason = "startup_page_not_safe"
else:
fallback_reason = "startup_page_missing"
tab = cdp.create_tab_info(portal_url, host=host)
return _activate_login_tab_result(
tab,
host,
portal_url,
created_tab=True,
page_target_count=len(tabs) + 1,
fallback_reason=fallback_reason,
target_probe_error=probe_error,
)
def launch_for_login(account_or_alias, path=None, config=None):
account = resolve_account(account_or_alias, path=path, config=config)
port = normalize_debug_port(_account_value(account, "debug_port"))
alias = _account_value(account, "alias")
portal_url = _seller_portal_url(account)
if chrome.is_running(port):
tab = _open_or_activate_login_tab(account, newly_launched=False)
return {
"ok": True,
"action": "reused",
"reused": True,
"launched": False,
"alias": alias,
"debug_port": port,
"pid": None,
"initial_url": portal_url,
**tab,
}
process = chrome.launch_chrome(account, config=config, initial_url=portal_url)
timeout = appconfig.cdp_ready_timeout(config)
if not chrome.wait_debug_ready(port, timeout=timeout):
raise AccountError(f"Chrome 已启动,但 CDP 端口 {port} 未在 {timeout} 秒内就绪")
tab = _open_or_activate_login_tab(account, newly_launched=True)
return {
"ok": True,
"action": "launched",
"reused": False,
"launched": True,
"alias": alias,
"debug_port": port,
"pid": getattr(process, "pid", None),
"initial_url": portal_url,
**tab,
}
def create_shortcut(account_or_alias, shortcut_path=None, desktop_dir=None, path=None, config=None) -> str:
account = resolve_account(account_or_alias, path=path, config=config)
return chrome.create_shortcut(
account,
shortcut_path=shortcut_path,
desktop_dir=desktop_dir,
config=config,
)
def detect_login(account_or_alias, timeout=8, path=None, config=None) -> dict:
database_path = _db_path(path, config)
account = resolve_account(account_or_alias, path=database_path, config=config)
status = editor.login_status(account, timeout=timeout)
if status.get("logged_in"):
db.update_account(account.alias, path=database_path, last_login_at=_now())
return status
def login_status_text(status) -> str:
if not status:
return "未知"
if status.get("logged_in"):
return "已登录"
reason = status.get("reason")
if reason == "LOGIN_PAGE":
return "未登录"
if reason == "NO_SESSION_COOKIE":
return "未登录"
if reason == "LOGIN_CHECK_TARGET_UNAVAILABLE" or str(reason).startswith(
"LOGIN_CHECK_FAILED"
):
return "登录状态暂不可确认"
if reason:
return f"未登录({reason})"
return "未登录"