Plugins/VcsPlugins/vcsMercurial/GpgExtension/gpg.py

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

# Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the gpg extension interface.
"""

import os

from PyQt4.QtCore import QObject
from PyQt4.QtGui import QDialog

from ..HgDialog import HgDialog
from ..HgRevisionSelectionDialog import HgRevisionSelectionDialog

from .HgGpgSignaturesDialog import HgGpgSignaturesDialog
from .HgGpgSignDialog import HgGpgSignDialog


class Gpg(QObject):
    """
    Class implementing the fetch extension interface.
    """
    def __init__(self, vcs):
        """
        Constructor
        
        @param vcs reference to the Mercurial vcs object
        """
        QObject.__init__(self, vcs)
        
        self.vcs = vcs
        
        self.gpgSignaturesDialog = None
    
    def shutdown(self):
        """
        Public method used to shutdown the fetch interface.
        """
        if self.gpgSignaturesDialog is not None:
            self.gpgSignaturesDialog.close()
    
    def hgGpgSignatures(self, path):
        """
        Public method used to list all signed changesets.
        
        @param path directory name of the project (string)
        """
        self.gpgSignaturesDialog = HgGpgSignaturesDialog(self.vcs)
        self.gpgSignaturesDialog.show()
        self.gpgSignaturesDialog.show()
        self.gpgSignaturesDialog.start(path)
    
    def hgGpgVerifySignatures(self, path, rev=None):
        """
        Public method used to verify the signatures of a revision.
        
        @param path directory name of the project (string)
        @param rev revision to check (string)
        """
        # find the root of the repo
        repodir = self.vcs.splitPath(path)[0]
        while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)):
            repodir = os.path.dirname(repodir)
            if repodir == os.sep:
                return
        
        if rev is None:
            if self.vcs.isExtensionActive("bookmarks"):
                bookmarksList = \
                    self.vcs.getExtensionObject("bookmarks").hgGetBookmarksList(repodir)
            else:
                bookmarksList = None
            dlg = HgRevisionSelectionDialog(self.vcs.hgGetTagsList(repodir),
                                            self.vcs.hgGetBranchesList(repodir),
                                            bookmarksList)
            if dlg.exec_() == QDialog.Accepted:
                rev = dlg.getRevision()
        
        if rev is not None:
            if rev == "":
                rev = "tip"
            args = []
            args.append("sigcheck")
            args.append(rev)
            
            dia = HgDialog(self.trUtf8('Verify Signatures'))
            res = dia.startProcess(args, repodir)
            if res:
                dia.exec_()
    
    def hgGpgSign(self, path):
        """
        Public method used to list the available bookmarks.
        
        @param path directory name of the project (string)
        """
        # find the root of the repo
        repodir = self.vcs.splitPath(path)[0]
        while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)):
            repodir = os.path.dirname(repodir)
            if repodir == os.sep:
                return
        
        if self.vcs.isExtensionActive("bookmarks"):
            bookmarksList = \
                self.vcs.getExtensionObject("bookmarks").hgGetBookmarksList(repodir)
        else:
            bookmarksList = None
        dlg = HgGpgSignDialog(self.vcs.hgGetTagsList(repodir),
                              self.vcs.hgGetBranchesList(repodir),
                              bookmarksList)
        if dlg.exec_() == QDialog.Accepted:
            revision, noCommit, message, keyId, local, force = dlg.getData()
            
            args = []
            args.append("sign")
            if noCommit:
                args.append("--no-commit")
            if message:
                args.append("--message")
                args.append(message)
            if keyId:
                args.append("--key")
                args.append(keyId)
            if local:
                args.append("--local")
            if force:
                args.append("--force")
            if revision:
                args.append(revision)
            
            dia = HgDialog(self.trUtf8('Sign Revision'))
            res = dia.startProcess(args, repodir)
            if res:
                dia.exec_()