IOError: (22, "invalid mode ('r') or filename")

[adminuser]

How to Reproduce

While doing a POST operation on /admin/accounts/users, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'__FORM_TOKEN': u'40f4b07837dd75a5cbea6f6a',
 'add': u' Add ',
 'cat_id': u'accounts',
 'email': u'trac.test@gmail.com',
 'name': u'',
 'panel_id': u'users',
 'password': u'12345',
 'password_confirm': u'12345',
 'path_info': None,
 'username': u'testuser'}

User agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

System Information

Trac	0.12.2
Genshi	0.6
mod_wsgi	3.0 (WSGIProcessGroup WSGIApplicationGroup %{GLOBAL})
pysqlite	2.4.1
Python	2.6.4 (r264:75708, Oct 26 2009, 08:23:19) [MSC v.1500 32 bit (Intel)]
setuptools	0.6c11
SQLite	3.5.9
Subversion	1.6.6 (r40053)
jQuery	1.4.2

Enabled Plugins

tracaccountmanager

0.3.2

Python Traceback

Traceback (most recent call last):
  File "build\bdist.win32\egg\trac\web\main.py", line 511, in _dispatch_request
    dispatcher.dispatch(req)
  File "build\bdist.win32\egg\trac\web\main.py", line 237, in dispatch
    resp = chosen_handler.process_request(req)
  File "build\bdist.win32\egg\trac\admin\web_ui.py", line 116, in process_request
    path_info)
  File "build\bdist.win32\egg\acct_mgr\admin.py", line 137, in render_admin_panel
    return self._do_users(req)
  File "build\bdist.win32\egg\acct_mgr\admin.py", line 240, in _do_users
    _create_user(req, env, check_permissions=False)
  File "build\bdist.win32\egg\acct_mgr\web_ui.py", line 148, in _create_user
    acctmgr.set_password(username, password)
  File "build\bdist.win32\egg\acct_mgr\api.py", line 292, in set_password
    if store.set_password(user, password, old_password):
  File "build\bdist.win32\egg\acct_mgr\htfile.py", line 56, in set_password
    self.userline(user, password))
  File "build\bdist.win32\egg\acct_mgr\htfile.py", line 106, in _update_file
    f = open(filename, 'r')
IOError: [Errno 22] invalid mode ('r') or filename: ''

[Ryan J Ollos]

Yet another incorrectly filed ticket.

[Steffen Hoffmann]

See #9623, that is about to be closed too, because there is not enough information and no response from the reporter for a rather long time.