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# purge.py - working copy purge dialog, based on Mercurial purge extension
#
# Copyright 2010 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
import os
import stat
import shutil
from mercurial import hg, ui
from tortoisehg.util import hglib
from tortoisehg.hgqt.i18n import _, ngettext
from tortoisehg.hgqt import qtlib, cmdui
from PyQt4.QtCore import *
from PyQt4.QtGui import *
class PurgeDialog(QDialog):
progress = pyqtSignal(QString, object, QString, QString, object)
showMessage = pyqtSignal(QString)
def __init__(self, repo, parent):
QDialog.__init__(self, parent)
f = self.windowFlags()
self.setWindowFlags(f & ~Qt.WindowContextHelpButtonHint)
self.setLayout(QVBoxLayout())
cb = QCheckBox(_('No unknown files found'))
cb.setChecked(False)
cb.setEnabled(False)
self.layout().addWidget(cb)
self.ucb = cb
cb = QCheckBox(_('No ignored files found'))
cb.setChecked(False)
cb.setEnabled(False)
self.layout().addWidget(cb)
self.icb = cb
cb = QCheckBox(_('No trash files found'))
cb.setChecked(False)
cb.setEnabled(False)
self.layout().addWidget(cb)
self.tcb = cb
self.foldercb = QCheckBox(_('Delete empty folders'))
self.foldercb.setChecked(True)
self.layout().addWidget(self.foldercb)
self.hgfilecb = QCheckBox(_('Preserve files beginning with .hg'))
self.hgfilecb.setChecked(True)
self.layout().addWidget(self.hgfilecb)
self.stbar = cmdui.ThgStatusBar(self)
self.stbar.setSizeGripEnabled(False)
self.progress.connect(self.stbar.progress)
self.showMessage.connect(self.stbar.showMessage)
self.layout().addWidget(self.stbar)
BB = QDialogButtonBox
bb = QDialogButtonBox(BB.Ok|BB.Cancel)
bb.accepted.connect(self.accept)
bb.rejected.connect(self.reject)
self.bb = bb
self.layout().addWidget(bb)
self.setWindowTitle(_('%s - purge') % repo.displayname)
self.setWindowIcon(qtlib.geticon('hg-purge'))
self.repo = repo
self.bb.setEnabled(False)
self.progress.emit(*cmdui.startProgress(_('Checking'), '...'))
s = QSettings()
desktopgeom = qApp.desktop().availableGeometry()
self.resize(desktopgeom.size() * 0.25)
self.restoreGeometry(s.value('purge/geom').toByteArray())
QTimer.singleShot(0, self.checkStatus)
def checkStatus(self):
repo = self.repo
class CheckThread(QThread):
def __init__(self, parent):
QThread.__init__(self, parent)
self.files = (None, None)
self.error = None
def run(self):
try:
repo.bfstatus = True
stat = repo.status(ignored=True, unknown=True)
repo.bfstatus = False
trashcan = repo.join('Trashcan')
if os.path.isdir(trashcan):
trash = os.listdir(trashcan)
else:
trash = []
self.files = stat[4], stat[5], trash
except Exception, e:
self.error = str(e)
def completed():
self.th.wait()
self.files = self.th.files
self.bb.setEnabled(True)
self.progress.emit(*cmdui.stopProgress(_('Checking')))
if self.th.error:
self.showMessage.emit(hglib.tounicode(self.th.error))
else:
self.showMessage.emit(_('Ready to purge.'))
U, I, T = self.files
if U:
self.ucb.setText(ngettext(
'Delete %d unknown file',
'Delete %d unknown files', len(U)) % len(U))
self.ucb.setChecked(True)
self.ucb.setEnabled(True)
if I:
self.icb.setText(ngettext(
'Delete %d ignored file',
'Delete %d ignored files', len(I)) % len(I))
self.icb.setChecked(True)
self.icb.setEnabled(True)
if T:
self.tcb.setText(ngettext(
'Delete %d file in .hg/Trashcan',
'Delete %d files in .hg/Trashcan', len(T)) % len(T))
self.tcb.setChecked(True)
self.tcb.setEnabled(True)
self.th = CheckThread(self)
self.th.finished.connect(completed)
self.th.start()
def reject(self):
s = QSettings()
s.setValue('purge/geom', self.saveGeometry())
super(PurgeDialog, self).reject()
def accept(self):
unknown = self.ucb.isChecked()
ignored = self.icb.isChecked()
trash = self.tcb.isChecked()
delfolders = self.foldercb.isChecked()
keephg = self.hgfilecb.isChecked()
if not (unknown or ignored or trash or delfolders):
QDialog.accept(self)
return
if not qtlib.QuestionMsgBox(_('Confirm file deletions'),
_('Are you sure you want to delete these files and/or folders?'),
parent=self):
return
def completed():
self.th.wait()
if self.th.failures:
qtlib.InfoMsgBox(_('Deletion failures'),
_('Unable to delete %d files or folders') %
len(self.th.failures), parent=self)
if self.th.failures is not None:
self.reject()
opts = dict(unknown=unknown, ignored=ignored, trash=trash,
delfolders=delfolders, keephg=keephg)
self.th = PurgeThread(self.repo, opts, self)
self.th.progress.connect(self.progress)
self.th.showMessage.connect(self.showMessage)
self.th.finished.connect(completed)
self.th.start()
class PurgeThread(QThread):
progress = pyqtSignal(QString, object, QString, QString, object)
showMessage = pyqtSignal(QString)
def __init__(self, repo, opts, parent):
super(PurgeThread, self).__init__(parent)
self.failures = 0
self.root = repo.root
self.opts = opts
def run(self):
try:
self.failures = self.purge(self.root, self.opts)
except Exception, e:
self.failures = None
self.showMessage.emit(hglib.tounicode(str(e)))
def purge(self, root, opts):
repo = hg.repository(ui.ui(), self.root)
keephg = opts['keephg']
directories = []
failures = []
if opts['trash']:
self.showMessage.emit(_('Deleting trash folder...'))
trashcan = repo.join('Trashcan')
try:
shutil.rmtree(trashcan)
except EnvironmentError:
failures.append(trashcan)
self.showMessage.emit('')
match = hglib.matchall(repo)
match.dir = directories.append
repo.bfstatus = True
status = repo.status(match=match, ignored=opts['ignored'],
unknown=opts['unknown'], clean=False)
repo.bfstatus = False
files = status[4] + status[5]
def remove(remove_func, name):
try:
if keephg and name.startswith('.hg'):
return
remove_func(repo.wjoin(name))
except EnvironmentError:
failures.append(name)
def removefile(path):
try:
os.remove(path)
except OSError:
# read-only files cannot be unlinked under Windows
s = os.stat(path)
if (s.st_mode & stat.S_IWRITE) != 0:
raise
os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE)
os.remove(path)
for i, f in enumerate(sorted(files)):
data = ('deleting', i, f, '', len(files))
self.progress.emit(*data)
remove(removefile, f)
data = ('deleting', None, '', '', len(files))
self.progress.emit(*data)
self.showMessage.emit(_('Deleted %d files') % len(files))
if opts['delfolders']:
for i, f in enumerate(sorted(directories, reverse=True)):
if not os.listdir(repo.wjoin(f)):
data = ('rmdir', i, f, '', len(directories))
self.progress.emit(*data)
remove(os.rmdir, f)
data = ('rmdir', None, f, '', len(directories))
self.progress.emit(*data)
self.showMessage.emit(_('Deleted %d files and %d folders') % (
len(files), len(directories)))
return failures
def run(ui, *pats, **opts):
from tortoisehg.hgqt import thgrepo
from tortoisehg.util import paths
repo = thgrepo.repository(ui, path=paths.find_root())
return PurgeDialog(repo, None)
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