eric6/Plugins/VcsPlugins/vcsPySvn/SvnDialogMixin.py

Wed, 30 Dec 2020 11:00:44 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 30 Dec 2020 11:00:44 +0100
branch
maintenance
changeset 7924
8a96736d465e
parent 7771
787a6b3f8c9f
child 8143
2c730d5fd177
permissions
-rw-r--r--

Updated copyright for 2021.

# -*- coding: utf-8 -*-

# Copyright (c) 2003 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog mixin class providing common callback methods for
the pysvn client.
"""

from PyQt5.QtWidgets import QApplication, QDialog, QWidget

from E5Gui.E5OverrideCursor import E5OverridenCursor


class SvnDialogMixin(object):
    """
    Class implementing a dialog mixin providing common callback methods for
    the pysvn client.
    """
    def __init__(self, log=""):
        """
        Constructor
        
        @param log optional log message (string)
        """
        self.shouldCancel = False
        self.logMessage = log
        
    def _cancel(self):
        """
        Protected method to request a cancellation of the current action.
        """
        self.shouldCancel = True
        
    def _reset(self):
        """
        Protected method to reset the internal state of the dialog.
        """
        self.shouldCancel = False
        
    def _clientCancelCallback(self):
        """
        Protected method called by the client to check for cancellation.
        
        @return flag indicating a cancellation
        """
        QApplication.processEvents()
        return self.shouldCancel
        
    def _clientLoginCallback(self, realm, username, may_save):
        """
        Protected method called by the client to get login information.
        
        @param realm name of the realm of the requested credentials (string)
        @param username username as supplied by subversion (string)
        @param may_save flag indicating, that subversion is willing to save
            the answers returned (boolean)
        @return tuple of four values (retcode, username, password, save).
            Retcode should be True, if username and password should be used
            by subversion, username and password contain the relevant data
            as strings and save is a flag indicating, that username and
            password should be saved.
        """
        from .SvnLoginDialog import SvnLoginDialog
        
        with E5OverridenCursor():
            parent = isinstance(self, QWidget) and self or None
            dlg = SvnLoginDialog(realm, username, may_save, parent)
            res = dlg.exec()
        
        if res == QDialog.Accepted:
            loginData = dlg.getData()
            return (True, loginData[0], loginData[1], loginData[2])
        else:
            return (False, "", "", False)
        
    def _clientSslServerTrustPromptCallback(self, trust_dict):
        """
        Protected method called by the client to request acceptance for a
        ssl server certificate.
        
        @param trust_dict dictionary containing the trust data
        @return tuple of three values (retcode, acceptedFailures, save).
            Retcode should be true, if the certificate should be accepted,
            acceptedFailures should indicate the accepted certificate failures
            and save should be True, if subversion should save the certificate.
        """
        from E5Gui import E5MessageBox

        with E5OverridenCursor():
            parent = isinstance(self, QWidget) and self or None
            msgBox = E5MessageBox.E5MessageBox(
                E5MessageBox.Question,
                self.tr("Subversion SSL Server Certificate"),
                self.tr("""<p>Accept the following SSL certificate?</p>"""
                        """<table>"""
                        """<tr><td>Realm:</td><td>{0}</td></tr>"""
                        """<tr><td>Hostname:</td><td>{1}</td></tr>"""
                        """<tr><td>Fingerprint:</td><td>{2}</td></tr>"""
                        """<tr><td>Valid from:</td><td>{3}</td></tr>"""
                        """<tr><td>Valid until:</td><td>{4}</td></tr>"""
                        """<tr><td>Issuer name:</td><td>{5}</td></tr>"""
                        """</table>""")
                    .format(trust_dict["realm"],
                            trust_dict["hostname"],
                            trust_dict["finger_print"],
                            trust_dict["valid_from"],
                            trust_dict["valid_until"],
                            trust_dict["issuer_dname"]),
                modal=True, parent=parent)
            permButton = msgBox.addButton(self.tr("&Permanent accept"),
                                          E5MessageBox.AcceptRole)
            tempButton = msgBox.addButton(self.tr("&Temporary accept"),
                                          E5MessageBox.AcceptRole)
            msgBox.addButton(self.tr("&Reject"), E5MessageBox.RejectRole)
            msgBox.exec()
        
        if msgBox.clickedButton() == permButton:
            return (True, trust_dict["failures"], True)
        elif msgBox.clickedButton() == tempButton:
            return (True, trust_dict["failures"], False)
        else:
            return (False, 0, False)
        
    def _clientLogCallback(self):
        """
        Protected method called by the client to request a log message.
        
        @return a flag indicating success and the log message (string)
        """
        from .SvnCommitDialog import SvnCommitDialog
        if self.logMessage:
            return True, self.logMessage
        else:
            # call CommitDialog and get message from there
            dlg = SvnCommitDialog(self)
            if dlg.exec() == QDialog.Accepted:
                msg = dlg.logMessage()
                if msg:
                    return True, msg
                else:
                    return True, "***"  # always supply a valid log message
            else:
                return False, ""

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