/b-gtk/fix-viz

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Viewing changes to olive/branch.py

  • Committer: Jelmer Vernooij
  • Date: 2006-05-19 16:37:13 UTC
  • Revision ID: jelmer@samba.org-20060519163713-be77b31c72cbc7e8
Move visualisation code to a separate directory, preparing for bundling 
the GTK+ plugins for bzr.

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olive/branch.py
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# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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try:
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    import pygtk
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    pygtk.require("2.0")
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except:
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    pass
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import gtk
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import gtk.glade
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from bzrlib.branch import Branch
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import bzrlib.errors as errors
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from olive import gladefile
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from dialog import error_dialog, info_dialog
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class OliveBranch:
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    """ Display branch dialog and perform the needed operations. """
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    def __init__(self, path=None):
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        """ Initialize the Branch dialog. """
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        self.glade = gtk.glade.XML(gladefile, 'window_branch', 'olive-gtk')
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        self.window = self.glade.get_widget('window_branch')
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        # Dictionary for signal_autoconnect
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        dic = { "on_button_branch_branch_clicked": self.branch,
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                "on_button_branch_cancel_clicked": self.close }
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        # Connect the signals to the handlers
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        self.glade.signal_autoconnect(dic)
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        # Save FileChooser state
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        self.filechooser = self.glade.get_widget('filechooserbutton_branch')
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        if path is not None:
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            self.filechooser.set_filename(path)
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    def display(self):
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        """ Display the Branch dialog. """
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        self.window.show_all()
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    def branch(self, widget):
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        entry_location = self.glade.get_widget('entry_branch_location')
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        location = entry_location.get_text()
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        if location is '':
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            error_dialog(_('Missing branch location'),
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                         _('You must specify a branch location.'))
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            return
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        destination = self.filechooser.get_filename()
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        spinbutton_revno = self.glade.get_widget('spinbutton_branch_revno')
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        revno = spinbutton_revno.get_value_as_int()
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        try:
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            from bzrlib.transport import get_transport
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            br_from = Branch.open(location)
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            br_from.lock_read()
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            revision_id = br_from.get_rev_id(revno)
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            try:
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                destination = destination + '/' + os.path.basename(location.rstrip("/\\"))
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                to_transport = get_transport(destination)
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                to_transport.mkdir('.')
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                try:
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                    dir = br_from.bzrdir.sprout(to_transport.base, revision_id)
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                    branch = dir.open_branch()
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                    revs = branch.revno()
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                except errors.NoSuchRevision:
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                    to_transport.delete_tree('.')
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                    raise
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            finally:
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                br_from.unlock()
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            self.close()
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            info_dialog(_('Branching successful'),
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                        _('%d revision(s) branched.') % revs)
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        except errors.NonExistingSource, errmsg:
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            error_dialog(_('Non existing source'),
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                         _("The location (%s)\ndoesn't exist.") % errmsg)
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            return
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        except errors.TargetAlreadyExists, errmsg:
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            error_dialog(_('Target already exists'),
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                         _('Target directory (%s)\nalready exists. Please select another target.') % errmsg)
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            return
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        except errors.NonExistingParent, errmsg:
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            error_dialog(_('Non existing parent directory'),
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                         _("The parent directory (%s)\ndoesn't exist.") % errmsg)
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            return
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        except errors.NonExistingRevision:
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            error_dialog(_('Non existing revision'),
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                         _("The revision you specified doesn't exist."))
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            return
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        except errors.NotBranchError, errmsg:
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            error_dialog(_('Location is not a branch'),
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                         _('The specified location has to be a branch.'))
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            return
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    def close(self, widget=None):
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        self.window.destroy()