53 lines
2.0 KiB
Python
53 lines
2.0 KiB
Python
from QT import QtWidgets, QT
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from User import User
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import yaml
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class Login_Dialog (QtWidgets.QDialog) :
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def __init__ (self, config_file, username = "") :
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super ().__init__ ()
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cfg = User.Load_Yaml (config_file)
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self.users = User (cfg.users)
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self.setWindowTitle ("Login")
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self.layout = L = QtWidgets.QFormLayout (self)
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self.user_name = QtWidgets.QLineEdit ()
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self.password = QtWidgets.QLineEdit ()
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self.password.setEchoMode (QtWidgets.QLineEdit.Password)
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L.addRow ("Benutzername", self.user_name)
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L.addRow ("Passwort", self.password)
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layout = QtWidgets.QHBoxLayout ()
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login = QtWidgets.QPushButton ("Login")
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login.setEnabled (False)
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self.error = QtWidgets.QLabel ("")
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layout.addWidget (self.error)
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login.clicked.connect (self._login)
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layout.addStretch (10)
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layout.addWidget (login)
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login.setDefault (True)
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L.addRow (layout)
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self.login = login
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self.password.editingFinished.connect (self._login)
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self.user_name.editingFinished.connect(self._check_login_possible)
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self.user_name.setText (username)
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if username :
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self.password.setFocus ()
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# end def __init__
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def _check_login_possible (self) :
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un = self.user_name.text ()
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pw = self.password.text ()
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self.login.setEnabled ((len (un) >= 3) and (len (pw) >= 3))
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# end def _check_login_possible
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def _login (self) :
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un = self.user_name.text ()
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pw = self.password.text ()
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pw_ok = self.users.check_password (un, pw, True)
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self.login.setEnabled (pw_ok)
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if not pw_ok :
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self.error.setText ("Passwort falsch")
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else :
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self.accept ()
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# end def _login
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# end class Login_Dialog |