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cmdui: add Runner class

Changeset 26fabf247f40…

Parent 1c99c73d7520…

by Yuki KODAMA

Changes to one file · Browse files at 26fabf247f40 Showing diff from parent 1c99c73d7520 Diff from another changeset...

Change 1 of 1 Show Changes Only tortoisehg/​hgqt/​cmdui.py Stacked
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 # cmdui.py - A widget to execute Mercurial command for TortoiseHg  #  # Copyright 2010 Yuki KODAMA <endflow.net@gmail.com>  #  # This software may be used and distributed according to the terms of the  # GNU General Public License version 2, incorporated herein by reference.    from PyQt4.QtCore import *  from PyQt4.QtGui import *    from tortoisehg.util import hglib  from tortoisehg.hgqt.i18n import _, localgettext  from tortoisehg.hgqt import qtlib, thread    local = localgettext()    class ProgressMonitor(QWidget):     def __init__(self):   super(ProgressMonitor, self).__init__()     # main layout box   vbox = QVBoxLayout()   vbox.setContentsMargins(*(0,)*4)   self.setLayout(vbox)     ## status layout box   hbox = QHBoxLayout()   hbox.setContentsMargins(*(0,)*4)   vbox.addLayout(hbox)     self.status_label = QLabel()   hbox.addWidget(self.status_label, 1)     self.prog_label = QLabel()   hbox.addWidget(self.prog_label, 0, Qt.AlignRight)     ## progressbar   self.pbar = QProgressBar()   self.pbar.setTextVisible(False)   self.pbar.setMinimum(0)   vbox.addWidget(self.pbar)     # prepare to show   self.clear_progress()     ### Public Methods ###     def clear_progress(self):   self.pbar.setMaximum(100)   self.pbar.reset()   self.status_label.setText('')   self.prog_label.setText('')   self.inprogress = False     def fillup_progress(self):   """stick progress to full"""   self.clear_progress()   self.pbar.setValue(self.pbar.maximum())     def unknown_progress(self):   self.pbar.setMinimum(0)   self.pbar.setMaximum(0)     def set_text(self, text):   self.status_label.setText(text)    class Core(QObject):   """Core functionality for running Mercurial command.   Do not attempt to instantiate and use this directly.   """     commandStarted = pyqtSignal()   commandFinished = pyqtSignal(thread.DataWrapper)   commandCanceling = pyqtSignal()     def __init__(self):   super(Core, self).__init__()     self.thread = None   self.output_text = QTextBrowser()   self.output_text.document().setDefaultStyleSheet(qtlib.thgstylesheet)   self.pmon = None   self.queue = []     ### Public Methods ###     def run(self, cmdline, *cmdlines):   '''Execute or queue Mercurial command'''   self.queue.append(cmdline)   if len(cmdlines):   self.queue.extend(cmdlines)   if not self.is_running():   self.run_next()     def cancel(self):   '''Cancel running Mercurial command'''   if self.is_running():   self.thread.abort()   self.commandCanceling.emit()     def set_pmon(self, pmon):   self.pmon = pmon     def is_running(self):   return bool(self.thread and self.thread.isRunning())     ### Private Method ###     def run_next(self):   try:   cmdline = self.queue.pop(0)   self.thread = thread.CmdThread(cmdline)   except IndexError:   return False     self.thread.started.connect(self.command_started)   self.thread.commandFinished.connect(self.command_finished)   self.thread.outputReceived.connect(self.output_received)   self.thread.errorReceived.connect(self.error_received)   if self.pmon:   self.thread.progressReceived.connect(self.progress_received)   self.thread.start()     return True     def append_output(self, msg, style=''):   msg = msg.replace('\n', '<br />')   self.output_text.insertHtml('<font style="%s">%s</font>' % (style, msg))   max = self.output_text.verticalScrollBar().maximum()   self.output_text.verticalScrollBar().setSliderPosition(max)     def clear_output(self):   self.output_text.clear()     ### Signal Handlers ###     def command_started(self):   if self.pmon:   self.pmon.set_text(_('Running...'))   self.pmon.unknown_progress()     self.commandStarted.emit()     def command_finished(self, wrapper):   ret = wrapper.data     if self.pmon:   if ret is None:   self.pmon.clear_progress()   if self.pmon.pbar.maximum() == 0: # busy indicator   if ret == 0: # finished successfully   self.pmon.fillup_progress()   else:   self.pmon.clear_progress()   if ret is None:   if self.thread.abortbyuser:   status = _('Terminated by user')   else:   status = _('Terminated')   else:   status = _('Finished')   self.pmon.set_text(status)     if ret == 0 and self.run_next():   return # run next command     self.commandFinished.emit(wrapper)     def command_canceling(self):   if self.pmon:   self.pmon.set_text(_('Canceling...'))   self.pmon.unknown_progress()     self.commandCanceling.emit()     def output_received(self, wrapper):   msg, label = wrapper.data   msg = hglib.tounicode(msg)   msg = Qt.escape(msg)   style = qtlib.geteffect(label)   self.append_output(msg, style)     def error_received(self, wrapper):   msg, label = wrapper.data   msg = hglib.tounicode(msg)   msg = Qt.escape(msg)   style = qtlib.geteffect(label)   self.append_output(msg, style)     def progress_received(self, wrapper):   if self.thread.isFinished():   self.pmon.clear_progress()   return     counting = False   topic, item, pos, total, unit = wrapper.data   if pos is None:   self.pmon.clear_progress()   return   if total is None:   count = '%d' % pos   counting = True   else:   self.pmon.pbar.setMaximum(total)   self.pmon.pbar.setValue(pos)   count = '%d / %d' % (pos, total)   if unit:   count += ' ' + unit   self.pmon.prog_label.setText(hglib.tounicode(count))   if item:   status = '%s: %s' % (topic, item)   else:   status = local._('Status: %s') % topic   self.pmon.status_label.setText(hglib.tounicode(status))   self.pmon.inprogress = True     if not self.pmon.inprogress or counting:   # use indeterminate mode   self.pmon.pbar.setMinimum(0)    class Widget(QWidget):   """An embeddable widget for running Mercurial command"""     commandStarted = pyqtSignal()   commandFinished = pyqtSignal(thread.DataWrapper)   commandCanceling = pyqtSignal()     def __init__(self):   super(Widget, self).__init__()     self.core = Core()   self.core.commandStarted.connect(lambda: self.commandStarted.emit())   self.core.commandFinished.connect(lambda w: self.commandFinished.emit(w))   self.core.commandCanceling.connect(lambda: self.commandCanceling.emit())     # main layout grid   grid = QGridLayout()   grid.setSpacing(4)   grid.setContentsMargins(*(1,)*4)     ## status and progress labels   self.pmon = ProgressMonitor()   self.core.set_pmon(self.pmon)   grid.addWidget(self.pmon, 0, 0)     # command output area   grid.addWidget(self.core.output_text, 1, 0, 5, 0)   grid.setRowStretch(1, 1)     # widget setting   self.setLayout(grid)     # prepare to show   self.core.output_text.setHidden(True)     ### Public Methods ###     def run(self, cmdline, *args):   self.core.run(cmdline, *args)     def cancel(self):   self.core.cancel()     def show_output(self, visible):   self.core.output_text.setShown(visible)     def is_show_output(self):   return self.core.output_text.isVisible()    class Dialog(QDialog):   """A dialog for running random Mercurial command"""     commandStarted = pyqtSignal()   commandFinished = pyqtSignal(thread.DataWrapper)   commandCanceling = pyqtSignal()     def __init__(self, cmdline, parent=None, finishfunc=None):   super(Dialog, self).__init__(parent)   self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)     self.finishfunc = finishfunc     self.core = Core()   self.core.commandFinished.connect(self.command_finished)   self.core.commandCanceling.connect(lambda: self.commandCanceling.emit())     # main layout grid   grid = QGridLayout()   grid.setSpacing(6)   grid.setContentsMargins(*(7,)*4)     ## status and progress labels   self.pmon = ProgressMonitor()   self.core.set_pmon(self.pmon)   grid.addWidget(self.pmon, 0, 0)     # command output area   grid.addWidget(self.core.output_text, 1, 0, 5, 0)   grid.setRowStretch(1, 1)     # bottom buttons   buttons = QDialogButtonBox()   self.cancel_btn = buttons.addButton(QDialogButtonBox.Cancel)   self.cancel_btn.clicked.connect(self.cancel_clicked)   self.close_btn = buttons.addButton(QDialogButtonBox.Close)   self.close_btn.clicked.connect(self.reject)   self.detail_btn = buttons.addButton(_('Detail'),   QDialogButtonBox.ResetRole)   self.detail_btn.setAutoDefault(False)   self.detail_btn.setCheckable(True)   self.detail_btn.setChecked(True)   self.detail_btn.toggled.connect(self.show_output)   grid.addWidget(buttons, 7, 0)     self.setLayout(grid)   self.setWindowTitle(_('TortoiseHg Command Dialog'))   self.resize(540, 420)     # prepare to show   self.close_btn.setHidden(True)     # start command   self.core.run(cmdline)     def show_output(self, visible):   """show/hide command output"""   self.core.output_text.setVisible(visible)   self.detail_btn.setChecked(visible)     # workaround to adjust only window height   self.setMinimumWidth(self.width())   self.adjustSize()   self.setMinimumWidth(0)     ### Private Method ###     def reject(self):   if self.core.is_running():   ret = QMessageBox.question(self, _('Confirm Exit'), _('Mercurial'   ' command is still running.\nAre you sure you want'   ' to terminate?'), QMessageBox.Yes | QMessageBox.No,   QMessageBox.No)   if ret == QMessageBox.Yes:   self.cancel_clicked()     # don't close dialog   return     # close dialog   if self.core.thread.ret == 0:   self.accept() # means command successfully finished   else:   super(Dialog, self).reject()     ### Signal Handlers ###     def cancel_clicked(self):   self.core.cancel()     def command_finished(self, wrapper):   self.cancel_btn.setHidden(True)   self.close_btn.setShown(True)   self.close_btn.setFocus()   if self.finishfunc:   self.finishfunc()     def command_canceling(self):   self.cancel_btn.setDisabled(True) + +class Runner(QObject): + """A component for running Mercurial command without UI + + This command runner doesn't show any UI element unless it gets a warning + or an error while the command is running. Once an error or a warning is + received, it pops-up a small dialog which contains the command log. + """ + + commandStarted = pyqtSignal() + commandFinished = pyqtSignal(thread.DataWrapper) + commandCanceling = pyqtSignal() + + def __init__(self, title=_('TortoiseHg'), parent=None): + super(Runner, self).__init__() + + self.title = title + self.parent = parent + + self.core = Core() + self.core.commandStarted.connect(lambda: self.commandStarted.emit()) + self.core.commandFinished.connect(self.command_finished) + self.core.commandCanceling.connect(lambda: self.commandCanceling.emit()) + + self.core.output_text.setMinimumSize(460, 320) + + ### Public Methods ### + + def run(self, cmdline, *args): + self.core.run(cmdline, *args) + + def cancel(self): + self.core.cancel() + + def show_output(self, visible=True): + if not hasattr(self, 'dlg'): + self.dlg = QDialog(self.parent) + self.dlg.setWindowTitle(self.title) + flags = self.dlg.windowFlags() & ~Qt.WindowContextHelpButtonHint + self.dlg.setWindowFlags(flags) + box = QVBoxLayout() + box.setContentsMargins(*(0,)*4) + box.addWidget(self.core.output_text) + self.dlg.setLayout(box) + self.dlg.setVisible(visible) + + ### Signal Handler ### + + def command_finished(self, wrapper): + if wrapper.data != 0: + self.show_output() + self.commandFinished.emit(wrapper)