def __init__(self, context_model=None, parent=None):
super(VariantDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.variant = None
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.view_graph_btn = ViewGraphButton(context_model)
self._update_graph_btn_visibility()
btn_pane = create_pane([None, self.view_graph_btn], True, compact=True)
create_pane([self.edit, btn_pane], False, compact=True, parent_widget=self)
self.clear()
def __init__(self, process, command_string, parent=None):
config_key = "layout/window/process"
super(ProcessDialog, self).__init__(parent)
StoreSizeMixin.__init__(self, app.config, config_key)
self.setWindowTitle("Running: %s" % command_string)
self.proc = process
self.ended = False
self.output_ended = False
self.capture_output = True
self.buffer = []
self.bar = QtGui.QProgressBar()
self.bar.setRange(0, 0)
self.edit = StreamableTextEdit()
close_btn = QtGui.QPushButton("Close")
btn_pane = create_pane([None, close_btn], True)
create_pane([self.bar, self.edit, btn_pane], False, parent_widget=self)
self.lock = Lock()
self.stdout_thread = Thread(target=self._read_output,
args=(self.proc.stdout, ))
self.stderr_thread = Thread(target=self._read_output,
args=(self.proc.stderr, ))
self.timer = QtCore.QTimer()
self.timer.setInterval(100)
self.timer.timeout.connect(self._update)
self.timer.start()
self.stdout_thread.start()
self.stderr_thread.start()
close_btn.clicked.connect(self.close)
def __init__(self, context_model=None, parent=None):
super(VariantDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.variant = None
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.view_graph_btn = ViewGraphButton(context_model)
self._update_graph_btn_visibility()
btn_pane = create_pane([None, self.view_graph_btn], True, compact=True)
create_pane([self.edit, btn_pane], False, compact=True, parent_widget=self)
self.clear()
def __init__(self, context_model=None, parent=None):
super(ContextDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.code_pending = True
self.overview_edit = StreamableTextEdit()
self.overview_edit.setStyleSheet("font: 12pt 'Courier'")
self.graph_btn = ViewGraphButton(context_model)
btn_pane = create_pane([None, self.graph_btn], True)
overview_pane = create_pane([self.overview_edit, btn_pane], False)
self.code_edit = SearchableTextEdit()
self.code_edit.setStyleSheet("font: 12pt 'Courier'")
self.code_combo = QtWidgets.QComboBox()
# strip out 'sh' and 'csh', they only differ from bash and tcsh in shell
# startup behaviour, which is irrelevant here
code_types = set(get_shell_types()) - set([system.shell, "sh", "csh"])
code_types = [system.shell] + sorted(code_types) + ["python dict"]
for code_type in code_types:
self.code_combo.addItem(code_type)
label = QtWidgets.QLabel("Format:")
btn_pane = create_pane([None, label, self.code_combo], True)
code_pane = create_pane([self.code_edit, btn_pane], False)
self.environ_widget = ContextEnvironWidget()
self.addTab(overview_pane, "overview")
self.addTab(code_pane, "shell code")
self.addTab(self.environ_widget, "environment")
self.code_combo.currentIndexChanged.connect(self._update_code)
self.currentChanged.connect(self._currentTabChanged)
self.refresh()
class VariantDetailsWidget(QtGui.QWidget, ContextViewMixin):
def __init__(self, context_model=None, parent=None):
super(VariantDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.variant = None
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.view_graph_btn = ViewGraphButton(context_model)
self._update_graph_btn_visibility()
btn_pane = create_pane([None, self.view_graph_btn], True, compact=True)
create_pane([self.edit, btn_pane],
False,
compact=True,
parent_widget=self)
self.clear()
def clear(self):
self.edit.clear()
self.setEnabled(False)
def set_variant(self, variant):
if variant == self.variant:
return
if variant is None:
self.clear()
else:
self.setEnabled(True)
self.edit.clear()
variant.print_info(self.edit, skip_attributes=("changelog", ))
self.edit.moveCursor(QtGui.QTextCursor.Start)
self.view_graph_btn.set_variant(variant)
self.variant = variant
def _update_graph_btn_visibility(self):
self.view_graph_btn.setVisible(bool(self.context()))
def _contextChanged(self, flags=0):
self._update_graph_btn_visibility()
class VariantDetailsWidget(QtGui.QWidget, ContextViewMixin):
def __init__(self, context_model=None, parent=None):
super(VariantDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.variant = None
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.view_graph_btn = ViewGraphButton(context_model)
self._update_graph_btn_visibility()
btn_pane = create_pane([None, self.view_graph_btn], True, compact=True)
create_pane([self.edit, btn_pane], False, compact=True, parent_widget=self)
self.clear()
def clear(self):
self.edit.clear()
self.setEnabled(False)
def set_variant(self, variant):
if variant == self.variant:
return
if variant is None:
self.clear()
else:
self.setEnabled(True)
self.edit.clear()
variant.print_info(self.edit, skip_attributes=("changelog",))
self.edit.moveCursor(QtGui.QTextCursor.Start)
self.view_graph_btn.set_variant(variant)
self.variant = variant
def _update_graph_btn_visibility(self):
self.view_graph_btn.setVisible(bool(self.context()))
def _contextChanged(self, flags=0):
self._update_graph_btn_visibility()
def __init__(self, context_model=None, parent=None):
super(ContextDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.code_pending = True
self.overview_edit = StreamableTextEdit()
self.overview_edit.setStyleSheet("font: 9pt 'Courier'")
self.graph_btn = ViewGraphButton(context_model)
btn_pane = create_pane([None, self.graph_btn], True)
overview_pane = create_pane([self.overview_edit, btn_pane], False)
self.code_edit = SearchableTextEdit()
self.code_edit.setStyleSheet("font: 9pt 'Courier'")
self.code_combo = QtGui.QComboBox()
# strip out 'sh' and 'csh', they only differ from bash and tcsh in shell
# startup behaviour, which is irrelevant here
code_types = set(get_shell_types()) - set([system.shell, "sh", "csh"])
code_types = [system.shell] + sorted(code_types) + ["python dict"]
for code_type in code_types:
self.code_combo.addItem(code_type)
label = QtGui.QLabel("Format:")
btn_pane = create_pane([None, label, self.code_combo], True)
code_pane = create_pane([self.code_edit, btn_pane], False)
self.environ_widget = ContextEnvironWidget()
self.addTab(overview_pane, "overview")
self.addTab(code_pane, "shell code")
self.addTab(self.environ_widget, "environment")
self.code_combo.currentIndexChanged.connect(self._update_code)
self.currentChanged.connect(self._currentTabChanged)
self.refresh()
def __init__(self, context_model, parent=None, advanced=False):
config_key = ("layout/window/advanced_resolve" if advanced
else "layout/window/resolve")
super(ResolveDialog, self).__init__(parent)
StoreSizeMixin.__init__(self, app.config, config_key)
self.setWindowTitle("Resolve")
self.setContentsMargins(0, 0, 0, 0)
self.context_model = context_model
self.advanced = advanced
self.resolver = None
self.thread = None
self.started = False
self._finished = False
self.busy_cursor = QtGui.QCursor(QtCore.Qt.WaitCursor)
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.bar = QtGui.QProgressBar()
self.bar.setRange(0, 10)
self.save_context_btn = QtGui.QPushButton("Save Context As...")
self.graph_btn = QtGui.QPushButton("View Graph...")
self.ok_btn = QtGui.QPushButton("Ok")
self.start_again_btn = QtGui.QPushButton("Start Again")
self.cancel_btn = QtGui.QPushButton("Cancel")
self.resolve_btn = QtGui.QPushButton("Resolve")
self.ok_btn.hide()
self.graph_btn.hide()
self.start_again_btn.hide()
self.save_context_btn.hide()
btn_pane = create_pane([None,
self.save_context_btn,
self.graph_btn,
self.start_again_btn,
self.ok_btn,
self.cancel_btn,
self.resolve_btn],
not self.advanced)
layout = QtGui.QVBoxLayout()
layout.addWidget(self.bar)
layout.addWidget(self.edit, 1)
self.resolve_group = None
self.max_fails_combo = None
self.verbosity_combo = None
self.show_package_loads_checkbox = None
# this is solely to execute _start_resolve() as soon as the dialog opens
self.timer = QtCore.QTimer()
self.timer.setInterval(1)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self._on_dialog_open)
if self.advanced:
self.resolve_group = QtGui.QGroupBox("resolve settings")
label = QtGui.QLabel("maximum fails:")
self.max_fails_combo = QtGui.QComboBox()
self.max_fails_combo.setEditable(True)
self.max_fails_combo.addItem("-")
self.max_fails_combo.addItem("1")
self.max_fails_combo.addItem("2")
self.max_fails_combo.addItem("3")
app.config.attach(self.max_fails_combo, "resolve/max_fails")
max_fails_pane = create_pane([None, label, self.max_fails_combo], True)
label = QtGui.QLabel("verbosity:")
self.verbosity_combo = QtGui.QComboBox()
self.verbosity_combo.addItem("0")
self.verbosity_combo.addItem("1")
self.verbosity_combo.addItem("2")
app.config.attach(self.verbosity_combo, "resolve/verbosity")
verbosity_pane = create_pane([None, label, self.verbosity_combo], True)
self.show_package_loads_checkbox = QtGui.QCheckBox("show package loads")
self.show_package_loads_checkbox.setLayoutDirection(QtCore.Qt.RightToLeft)
app.config.attach(self.show_package_loads_checkbox, "resolve/show_package_loads")
show_loads_pane = create_pane([None, self.show_package_loads_checkbox], True)
self.timestamp_widget = TimestampWidget(self.context_model)
context = self.context_model.context()
if context and context.requested_timestamp:
self.timestamp_widget.set_time(context.requested_timestamp)
left_pane = create_pane([self.timestamp_widget, None], False,
compact=True)
right_pane = create_pane([max_fails_pane,
verbosity_pane,
show_loads_pane,
None],
False, compact=True)
create_pane([left_pane, right_pane], True,
parent_widget=self.resolve_group)
pane = create_pane([self.resolve_group, None, btn_pane], True)
self.cancel_btn.hide()
layout.addWidget(pane)
else:
self.resolve_btn.hide()
layout.addWidget(btn_pane)
self.setLayout(layout)
self.cancel_btn.clicked.connect(self._cancel_resolve)
self.resolve_btn.clicked.connect(self._start_resolve)
self.graph_btn.clicked.connect(self._view_graph)
self.save_context_btn.clicked.connect(self._save_context)
self.start_again_btn.clicked.connect(self._reset)
self.ok_btn.clicked.connect(self.close)
class ResolveDialog(QtGui.QDialog, StoreSizeMixin):
def __init__(self, context_model, parent=None, advanced=False):
config_key = ("layout/window/advanced_resolve" if advanced
else "layout/window/resolve")
super(ResolveDialog, self).__init__(parent)
StoreSizeMixin.__init__(self, app.config, config_key)
self.setWindowTitle("Resolve")
self.setContentsMargins(0, 0, 0, 0)
self.context_model = context_model
self.advanced = advanced
self.resolver = None
self.thread = None
self.started = False
self._finished = False
self.busy_cursor = QtGui.QCursor(QtCore.Qt.WaitCursor)
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.bar = QtGui.QProgressBar()
self.bar.setRange(0, 10)
self.save_context_btn = QtGui.QPushButton("Save Context As...")
self.graph_btn = QtGui.QPushButton("View Graph...")
self.ok_btn = QtGui.QPushButton("Ok")
self.start_again_btn = QtGui.QPushButton("Start Again")
self.cancel_btn = QtGui.QPushButton("Cancel")
self.resolve_btn = QtGui.QPushButton("Resolve")
self.ok_btn.hide()
self.graph_btn.hide()
self.start_again_btn.hide()
self.save_context_btn.hide()
btn_pane = create_pane([None,
self.save_context_btn,
self.graph_btn,
self.start_again_btn,
self.ok_btn,
self.cancel_btn,
self.resolve_btn],
not self.advanced)
layout = QtGui.QVBoxLayout()
layout.addWidget(self.bar)
layout.addWidget(self.edit, 1)
self.resolve_group = None
self.max_fails_combo = None
self.verbosity_combo = None
self.show_package_loads_checkbox = None
# this is solely to execute _start_resolve() as soon as the dialog opens
self.timer = QtCore.QTimer()
self.timer.setInterval(1)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self._on_dialog_open)
if self.advanced:
self.resolve_group = QtGui.QGroupBox("resolve settings")
label = QtGui.QLabel("maximum fails:")
self.max_fails_combo = QtGui.QComboBox()
self.max_fails_combo.setEditable(True)
self.max_fails_combo.addItem("-")
self.max_fails_combo.addItem("1")
self.max_fails_combo.addItem("2")
self.max_fails_combo.addItem("3")
app.config.attach(self.max_fails_combo, "resolve/max_fails")
max_fails_pane = create_pane([None, label, self.max_fails_combo], True)
label = QtGui.QLabel("verbosity:")
self.verbosity_combo = QtGui.QComboBox()
self.verbosity_combo.addItem("0")
self.verbosity_combo.addItem("1")
self.verbosity_combo.addItem("2")
app.config.attach(self.verbosity_combo, "resolve/verbosity")
verbosity_pane = create_pane([None, label, self.verbosity_combo], True)
self.show_package_loads_checkbox = QtGui.QCheckBox("show package loads")
self.show_package_loads_checkbox.setLayoutDirection(QtCore.Qt.RightToLeft)
app.config.attach(self.show_package_loads_checkbox, "resolve/show_package_loads")
show_loads_pane = create_pane([None, self.show_package_loads_checkbox], True)
self.timestamp_widget = TimestampWidget(self.context_model)
context = self.context_model.context()
if context and context.requested_timestamp:
self.timestamp_widget.set_time(context.requested_timestamp)
left_pane = create_pane([self.timestamp_widget, None], False,
compact=True)
right_pane = create_pane([max_fails_pane,
verbosity_pane,
show_loads_pane,
None],
False, compact=True)
create_pane([left_pane, right_pane], True,
parent_widget=self.resolve_group)
pane = create_pane([self.resolve_group, None, btn_pane], True)
self.cancel_btn.hide()
layout.addWidget(pane)
else:
self.resolve_btn.hide()
layout.addWidget(btn_pane)
self.setLayout(layout)
self.cancel_btn.clicked.connect(self._cancel_resolve)
self.resolve_btn.clicked.connect(self._start_resolve)
self.graph_btn.clicked.connect(self._view_graph)
self.save_context_btn.clicked.connect(self._save_context)
self.start_again_btn.clicked.connect(self._reset)
self.ok_btn.clicked.connect(self.close)
def resolve(self):
# validate the request before opening dialog
for req_str in self.context_model.request:
try:
Requirement(req_str)
except Exception as e:
title = "Invalid package request - %r" % req_str
QtGui.QMessageBox.critical(self, title, str(e))
return
self._reset()
self.timer.start()
self.exec_()
if self.started:
self.resolver.stop()
if self.thread:
self.thread.quit()
self.thread.wait()
return self.resolver.success()
return False
def get_context(self):
if self.resolver:
return self.resolver.context
return None
def reject(self):
if self._finished or not self.started:
super(ResolveDialog, self).reject()
else:
self._cancel_resolve()
def closeEvent(self, event):
if self._finished or not self.started:
super(ResolveDialog, self).closeEvent(event)
StoreSizeMixin.closeEvent(self, event)
else:
self._cancel_resolve()
event.ignore()
def _on_dialog_open(self):
if not self.advanced:
self._start_resolve()
def _reset(self):
self.setWindowTitle("Resolve")
self.cancel_btn.setText("Cancel")
self.cancel_btn.hide()
self.ok_btn.hide()
self.start_again_btn.hide()
self.graph_btn.hide()
self.save_context_btn.hide()
self.resolve_btn.show()
self._set_progress(False)
if self.advanced:
self.resolve_group.setEnabled(True)
self.edit.clear()
request_str = " ".join(str(x) for x in self.context_model.request)
self._log("Resolving: %s...\n" % request_str)
def _log(self, msg, color=None):
if color:
old_color = self.edit.textColor()
self.edit.setTextColor(QtGui.QColor(color))
self.edit.append(msg)
self.edit.moveCursor(QtGui.QTextCursor.End)
if color:
self.edit.setTextColor(old_color)
def _start_resolve(self):
max_fails = self._get_max_fails()
if max_fails is None:
return
self.setWindowTitle("Resolving...")
self.resolve_btn.hide()
self.cancel_btn.show()
self._set_progress(None)
self.started = True
verbosity = 0
show_package_loads = True
timestamp = None
if self.advanced:
verbosity = app.config.get("resolve/verbosity")
show_package_loads = app.config.get("resolve/show_package_loads")
timestamp = self.timestamp_widget.datetime()
if timestamp is not None:
timestamp = timestamp.toTime_t()
self.resolver = ResolveThread(
self.context_model,
verbosity=verbosity,
max_fails=max_fails,
timestamp=timestamp,
show_package_loads=show_package_loads,
buf=self.edit)
if config.gui_threads:
self.resolver.finished.connect(self._resolve_finished)
self.thread = QtCore.QThread()
self.resolver.moveToThread(self.thread)
self.thread.started.connect(self.resolver.run)
self.thread.start()
else:
self.resolver.run()
self._resolve_finished()
def _cancel_resolve(self):
if self.started:
self.cancel_btn.setText("Cancelling...")
self.cancel_btn.setEnabled(False)
self.resolver.stop()
def _resolve_finished(self):
self._finished = True
self.cancel_btn.hide()
self.ok_btn.show()
self._set_progress(True)
if self.advanced:
self.start_again_btn.show()
self.resolve_group.setEnabled(False)
if self.resolver.error_message:
msg = "\nTHE RESOLVE FAILED:\n%s" % self.resolver.error_message
self._log(msg, "red")
return
if self.resolver.context.has_graph:
self.graph_btn.setEnabled(True)
self.save_context_btn.setEnabled(True)
self.graph_btn.show()
self.save_context_btn.show()
if self.resolver.success():
if self.advanced:
sbuf = StringIO.StringIO()
self.resolver.context.print_info(buf=sbuf)
msg = "\nTHE RESOLVE SUCCEEDED:\n\n"
msg += sbuf.getvalue()
self._log(msg, "green")
else:
self.close()
else:
msg = "\nTHE RESOLVE FAILED"
desc = self.resolver.context.failure_description
if desc:
msg += ":\n%s" % desc
self._log(msg, "red")
def _get_max_fails(self):
if self.max_fails_combo is None:
return -1
txt = str(self.max_fails_combo.currentText())
if txt == "-":
return -1
try:
i = int(txt)
except:
i = -1
if i < 0:
title = "Invalid max fails value"
body = "Must be a positive integer."
QtGui.QMessageBox.critical(self, title, body)
self.max_fails_combo.setCurrentIndex(0)
return None
return i
def _save_context(self):
filepath = QtGui.QFileDialog.getSaveFileName(
self, "Save Context", filter="Context files (*.rxt)")
if filepath:
self.resolver.context.save(filepath)
self._log("\nSaved context to: %s" % filepath)
def _view_graph(self):
graph_str = self.resolver.context.graph(as_dot=True)
view_graph(graph_str, self)
def _set_progress(self, done=True):
if done is True:
self.bar.setMaximum(10)
self.bar.setValue(10)
elif done is False:
self.bar.setMaximum(10)
self.bar.setValue(0)
elif done is None:
self.bar.setRange(0, 0)
class ContextDetailsWidget(QtWidgets.QTabWidget, ContextViewMixin):
def __init__(self, context_model=None, parent=None):
super(ContextDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.code_pending = True
self.overview_edit = StreamableTextEdit()
self.overview_edit.setStyleSheet("font: 12pt 'Courier'")
self.graph_btn = ViewGraphButton(context_model)
btn_pane = create_pane([None, self.graph_btn], True)
overview_pane = create_pane([self.overview_edit, btn_pane], False)
self.code_edit = SearchableTextEdit()
self.code_edit.setStyleSheet("font: 12pt 'Courier'")
self.code_combo = QtWidgets.QComboBox()
# strip out 'sh' and 'csh', they only differ from bash and tcsh in shell
# startup behaviour, which is irrelevant here
code_types = set(get_shell_types()) - set([system.shell, "sh", "csh"])
code_types = [system.shell] + sorted(code_types) + ["python dict"]
for code_type in code_types:
self.code_combo.addItem(code_type)
label = QtWidgets.QLabel("Format:")
btn_pane = create_pane([None, label, self.code_combo], True)
code_pane = create_pane([self.code_edit, btn_pane], False)
self.environ_widget = ContextEnvironWidget()
self.addTab(overview_pane, "overview")
self.addTab(code_pane, "shell code")
self.addTab(self.environ_widget, "environment")
self.code_combo.currentIndexChanged.connect(self._update_code)
self.currentChanged.connect(self._currentTabChanged)
self.refresh()
def refresh(self):
self.overview_edit.clear()
self.setCurrentIndex(0)
context = self.context()
if not context:
self.setEnabled(False)
return
self.code_pending = True
context.print_info(buf=self.overview_edit, verbosity=1)
self.overview_edit.moveCursor(QtGui.QTextCursor.Start)
self.environ_widget.set_context(context)
def search(self):
tab_index = self.currentIndex()
if tab_index == 0:
self.overview_edit.search()
elif tab_index == 1:
self.code_edit.search()
def _contextChanged(self, flags=0):
if not (flags & ContextModel.CONTEXT_CHANGED):
return
self.refresh()
def _currentTabChanged(self, index):
if index == 1 and self.code_pending:
self._update_code()
def _update_code(self):
self.code_edit.clear()
context = self.context()
if not context:
return
shell = str(self.code_combo.currentText())
if shell == "python dict":
environ = context.get_environ()
code = pprint.pformat(environ)
else:
code = context.get_shell_code(shell=shell)
self.code_edit.insertPlainText(code)
self.code_edit.moveCursor(QtGui.QTextCursor.Start)
self.code_pending = False
def __init__(self, context_model, parent=None, advanced=False):
config_key = ("layout/window/advanced_resolve" if advanced
else "layout/window/resolve")
super(ResolveDialog, self).__init__(parent)
StoreSizeMixin.__init__(self, app.config, config_key)
self.setWindowTitle("Resolve")
self.setContentsMargins(0, 0, 0, 0)
self.context_model = context_model
self.advanced = advanced
self.resolver = None
self.thread = None
self.started = False
self._finished = False
#self.busy_cursor = QtGui.QCursor(QtCore.Qt.WaitCursor)
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.bar = QtGui.QProgressBar()
self.bar.setRange(0, 10)
self.save_context_btn = QtGui.QPushButton("Save Context As...")
self.graph_btn = QtGui.QPushButton("View Graph...")
self.ok_btn = QtGui.QPushButton("Ok")
self.start_again_btn = QtGui.QPushButton("Start Again")
self.cancel_btn = QtGui.QPushButton("Cancel")
self.resolve_btn = QtGui.QPushButton("Resolve")
self.ok_btn.hide()
self.graph_btn.hide()
self.start_again_btn.hide()
self.save_context_btn.hide()
btn_pane = create_pane([None,
self.save_context_btn,
self.graph_btn,
self.start_again_btn,
self.ok_btn,
self.cancel_btn,
self.resolve_btn],
not self.advanced)
layout = QtGui.QVBoxLayout()
layout.addWidget(self.bar)
layout.addWidget(self.edit, 1)
self.resolve_group = None
self.max_fails_combo = None
self.verbosity_combo = None
self.show_package_loads_checkbox = None
# this is solely to execute _start_resolve() as soon as the dialog opens
self.timer = QtCore.QTimer()
self.timer.setInterval(1)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self._on_dialog_open)
if self.advanced:
self.resolve_group = QtGui.QGroupBox("resolve settings")
label = QtGui.QLabel("maximum fails:")
self.max_fails_combo = QtGui.QComboBox()
self.max_fails_combo.setEditable(True)
self.max_fails_combo.addItem("-")
self.max_fails_combo.addItem("1")
self.max_fails_combo.addItem("2")
self.max_fails_combo.addItem("3")
app.config.attach(self.max_fails_combo, "resolve/max_fails")
max_fails_pane = create_pane([None, label, self.max_fails_combo], True)
label = QtGui.QLabel("verbosity:")
self.verbosity_combo = QtGui.QComboBox()
self.verbosity_combo.addItem("0")
self.verbosity_combo.addItem("1")
self.verbosity_combo.addItem("2")
app.config.attach(self.verbosity_combo, "resolve/verbosity")
verbosity_pane = create_pane([None, label, self.verbosity_combo], True)
self.show_package_loads_checkbox = QtGui.QCheckBox("show package loads")
self.show_package_loads_checkbox.setLayoutDirection(QtCore.Qt.RightToLeft)
app.config.attach(self.show_package_loads_checkbox, "resolve/show_package_loads")
show_loads_pane = create_pane([None, self.show_package_loads_checkbox], True)
self.timestamp_widget = TimestampWidget(self.context_model)
context = self.context_model.context()
if context and context.requested_timestamp:
self.timestamp_widget.set_time(context.requested_timestamp)
left_pane = create_pane([self.timestamp_widget, None], False,
compact=True)
right_pane = create_pane([max_fails_pane,
verbosity_pane,
show_loads_pane,
None],
False, compact=True)
create_pane([left_pane, right_pane], True,
parent_widget=self.resolve_group)
pane = create_pane([self.resolve_group, None, btn_pane], True)
self.cancel_btn.hide()
layout.addWidget(pane)
else:
self.resolve_btn.hide()
layout.addWidget(btn_pane)
self.setLayout(layout)
self.cancel_btn.clicked.connect(self._cancel_resolve)
self.resolve_btn.clicked.connect(self._start_resolve)
self.graph_btn.clicked.connect(self._view_graph)
self.save_context_btn.clicked.connect(self._save_context)
self.start_again_btn.clicked.connect(self._reset)
self.ok_btn.clicked.connect(self.close)
class ResolveDialog(QtGui.QDialog, StoreSizeMixin):
def __init__(self, context_model, parent=None, advanced=False):
config_key = ("layout/window/advanced_resolve" if advanced
else "layout/window/resolve")
super(ResolveDialog, self).__init__(parent)
StoreSizeMixin.__init__(self, app.config, config_key)
self.setWindowTitle("Resolve")
self.setContentsMargins(0, 0, 0, 0)
self.context_model = context_model
self.advanced = advanced
self.resolver = None
self.thread = None
self.started = False
self._finished = False
#self.busy_cursor = QtGui.QCursor(QtCore.Qt.WaitCursor)
self.edit = StreamableTextEdit()
self.edit.setStyleSheet("font: 9pt 'Courier'")
self.bar = QtGui.QProgressBar()
self.bar.setRange(0, 10)
self.save_context_btn = QtGui.QPushButton("Save Context As...")
self.graph_btn = QtGui.QPushButton("View Graph...")
self.ok_btn = QtGui.QPushButton("Ok")
self.start_again_btn = QtGui.QPushButton("Start Again")
self.cancel_btn = QtGui.QPushButton("Cancel")
self.resolve_btn = QtGui.QPushButton("Resolve")
self.ok_btn.hide()
self.graph_btn.hide()
self.start_again_btn.hide()
self.save_context_btn.hide()
btn_pane = create_pane([None,
self.save_context_btn,
self.graph_btn,
self.start_again_btn,
self.ok_btn,
self.cancel_btn,
self.resolve_btn],
not self.advanced)
layout = QtGui.QVBoxLayout()
layout.addWidget(self.bar)
layout.addWidget(self.edit, 1)
self.resolve_group = None
self.max_fails_combo = None
self.verbosity_combo = None
self.show_package_loads_checkbox = None
# this is solely to execute _start_resolve() as soon as the dialog opens
self.timer = QtCore.QTimer()
self.timer.setInterval(1)
self.timer.setSingleShot(True)
self.timer.timeout.connect(self._on_dialog_open)
if self.advanced:
self.resolve_group = QtGui.QGroupBox("resolve settings")
label = QtGui.QLabel("maximum fails:")
self.max_fails_combo = QtGui.QComboBox()
self.max_fails_combo.setEditable(True)
self.max_fails_combo.addItem("-")
self.max_fails_combo.addItem("1")
self.max_fails_combo.addItem("2")
self.max_fails_combo.addItem("3")
app.config.attach(self.max_fails_combo, "resolve/max_fails")
max_fails_pane = create_pane([None, label, self.max_fails_combo], True)
label = QtGui.QLabel("verbosity:")
self.verbosity_combo = QtGui.QComboBox()
self.verbosity_combo.addItem("0")
self.verbosity_combo.addItem("1")
self.verbosity_combo.addItem("2")
app.config.attach(self.verbosity_combo, "resolve/verbosity")
verbosity_pane = create_pane([None, label, self.verbosity_combo], True)
self.show_package_loads_checkbox = QtGui.QCheckBox("show package loads")
self.show_package_loads_checkbox.setLayoutDirection(QtCore.Qt.RightToLeft)
app.config.attach(self.show_package_loads_checkbox, "resolve/show_package_loads")
show_loads_pane = create_pane([None, self.show_package_loads_checkbox], True)
self.timestamp_widget = TimestampWidget(self.context_model)
context = self.context_model.context()
if context and context.requested_timestamp:
self.timestamp_widget.set_time(context.requested_timestamp)
left_pane = create_pane([self.timestamp_widget, None], False,
compact=True)
right_pane = create_pane([max_fails_pane,
verbosity_pane,
show_loads_pane,
None],
False, compact=True)
create_pane([left_pane, right_pane], True,
parent_widget=self.resolve_group)
pane = create_pane([self.resolve_group, None, btn_pane], True)
self.cancel_btn.hide()
layout.addWidget(pane)
else:
self.resolve_btn.hide()
layout.addWidget(btn_pane)
self.setLayout(layout)
self.cancel_btn.clicked.connect(self._cancel_resolve)
self.resolve_btn.clicked.connect(self._start_resolve)
self.graph_btn.clicked.connect(self._view_graph)
self.save_context_btn.clicked.connect(self._save_context)
self.start_again_btn.clicked.connect(self._reset)
self.ok_btn.clicked.connect(self.close)
def resolve(self):
# validate the request before opening dialog
for req_str in self.context_model.request:
try:
Requirement(req_str)
except Exception as e:
title = "Invalid package request - %r" % req_str
QtGui.QMessageBox.critical(self, title, str(e))
return
self._reset()
self.timer.start()
self.exec_()
if self.started:
self.resolver.stop()
if self.thread:
self.thread.quit()
self.thread.wait()
return self.resolver.success()
return False
def get_context(self):
if self.resolver:
return self.resolver.context
return None
def reject(self):
if self._finished or not self.started:
super(ResolveDialog, self).reject()
else:
self._cancel_resolve()
def closeEvent(self, event):
if self._finished or not self.started:
super(ResolveDialog, self).closeEvent(event)
StoreSizeMixin.closeEvent(self, event)
else:
self._cancel_resolve()
event.ignore()
def _on_dialog_open(self):
if not self.advanced:
self._start_resolve()
def _reset(self):
self.setWindowTitle("Resolve")
self.cancel_btn.setText("Cancel")
self.cancel_btn.hide()
self.ok_btn.hide()
self.start_again_btn.hide()
self.graph_btn.hide()
self.save_context_btn.hide()
self.resolve_btn.show()
self._set_progress(False)
if self.advanced:
self.resolve_group.setEnabled(True)
self.edit.clear()
request_str = " ".join(str(x) for x in self.context_model.request)
self._log("Resolving: %s...\n" % request_str)
def _log(self, msg, color=None):
if color:
old_color = self.edit.textColor()
self.edit.setTextColor(QtGui.QColor(color))
self.edit.append(msg)
self.edit.moveCursor(QtGui.QTextCursor.End)
if color:
self.edit.setTextColor(old_color)
def _start_resolve(self):
max_fails = self._get_max_fails()
if max_fails is None:
return
self.setWindowTitle("Resolving...")
self.resolve_btn.hide()
self.cancel_btn.show()
self._set_progress(None)
self.started = True
verbosity = 0
show_package_loads = True
timestamp = None
if self.advanced:
verbosity = app.config.get("resolve/verbosity")
show_package_loads = app.config.get("resolve/show_package_loads")
timestamp = self.timestamp_widget.datetime()
if timestamp is not None:
timestamp = timestamp.toTime_t()
self.resolver = ResolveThread(
self.context_model,
verbosity=verbosity,
max_fails=max_fails,
timestamp=timestamp,
show_package_loads=show_package_loads,
buf=self.edit)
if config.gui_threads:
self.resolver.finished.connect(self._resolve_finished)
self.thread = QtCore.QThread()
self.resolver.moveToThread(self.thread)
self.thread.started.connect(self.resolver.run)
self.thread.start()
else:
self.resolver.run()
self._resolve_finished()
def _cancel_resolve(self):
if self.started:
self.cancel_btn.setText("Cancelling...")
self.cancel_btn.setEnabled(False)
self.resolver.stop()
def _resolve_finished(self):
self._finished = True
self.cancel_btn.hide()
self.ok_btn.show()
self._set_progress(True)
if self.advanced:
self.start_again_btn.show()
self.resolve_group.setEnabled(False)
if self.resolver.error_message:
msg = "\nTHE RESOLVE FAILED:\n%s" % self.resolver.error_message
self._log(msg, "red")
return
if self.resolver.context.has_graph:
self.graph_btn.setEnabled(True)
self.save_context_btn.setEnabled(True)
self.graph_btn.show()
self.save_context_btn.show()
if self.resolver.success():
if self.advanced:
sbuf = StringIO.StringIO()
self.resolver.context.print_info(buf=sbuf)
msg = "\nTHE RESOLVE SUCCEEDED:\n\n"
msg += sbuf.getvalue()
self._log(msg, "green")
else:
self.close()
else:
msg = "\nTHE RESOLVE FAILED"
desc = self.resolver.context.failure_description
if desc:
msg += ":\n%s" % desc
self._log(msg, "red")
def _get_max_fails(self):
if self.max_fails_combo is None:
return -1
txt = str(self.max_fails_combo.currentText())
if txt == "-":
return -1
try:
i = int(txt)
except:
i = -1
if i < 0:
title = "Invalid max fails value"
body = "Must be a positive integer."
QtGui.QMessageBox.critical(self, title, body)
self.max_fails_combo.setCurrentIndex(0)
return None
return i
def _save_context(self):
filepath = QtGui.QFileDialog.getSaveFileName(
self, "Save Context", filter="Context files (*.rxt)")
if filepath:
self.resolver.context.save(filepath)
self._log("\nSaved context to: %s" % filepath)
def _view_graph(self):
graph_str = self.resolver.context.graph(as_dot=True)
view_graph(graph_str, self)
def _set_progress(self, done=True):
if done is True:
self.bar.setMaximum(10)
self.bar.setValue(10)
elif done is False:
self.bar.setMaximum(10)
self.bar.setValue(0)
elif done is None:
self.bar.setRange(0, 0)
class ContextDetailsWidget(QtGui.QTabWidget, ContextViewMixin):
def __init__(self, context_model=None, parent=None):
super(ContextDetailsWidget, self).__init__(parent)
ContextViewMixin.__init__(self, context_model)
self.code_pending = True
self.overview_edit = StreamableTextEdit()
self.overview_edit.setStyleSheet("font: 9pt 'Courier'")
self.graph_btn = ViewGraphButton(context_model)
btn_pane = create_pane([None, self.graph_btn], True)
overview_pane = create_pane([self.overview_edit, btn_pane], False)
self.code_edit = SearchableTextEdit()
self.code_edit.setStyleSheet("font: 9pt 'Courier'")
self.code_combo = QtGui.QComboBox()
# strip out 'sh' and 'csh', they only differ from bash and tcsh in shell
# startup behaviour, which is irrelevant here
code_types = set(get_shell_types()) - set([system.shell, "sh", "csh"])
code_types = [system.shell] + sorted(code_types) + ["python dict"]
for code_type in code_types:
self.code_combo.addItem(code_type)
label = QtGui.QLabel("Format:")
btn_pane = create_pane([None, label, self.code_combo], True)
code_pane = create_pane([self.code_edit, btn_pane], False)
self.environ_widget = ContextEnvironWidget()
self.addTab(overview_pane, "overview")
self.addTab(code_pane, "shell code")
self.addTab(self.environ_widget, "environment")
self.code_combo.currentIndexChanged.connect(self._update_code)
self.currentChanged.connect(self._currentTabChanged)
self.refresh()
def refresh(self):
self.overview_edit.clear()
self.setCurrentIndex(0)
context = self.context()
if not context:
self.setEnabled(False)
return
self.code_pending = True
context.print_info(buf=self.overview_edit, verbosity=1)
self.overview_edit.moveCursor(QtGui.QTextCursor.Start)
self.environ_widget.set_context(context)
def search(self):
tab_index = self.currentIndex()
if tab_index == 0:
self.overview_edit.search()
elif tab_index == 1:
self.code_edit.search()
def _contextChanged(self, flags=0):
if not (flags & ContextModel.CONTEXT_CHANGED):
return
self.refresh()
def _currentTabChanged(self, index):
if index == 1 and self.code_pending:
self._update_code()
def _update_code(self):
self.code_edit.clear()
context = self.context()
if not context:
return
shell = str(self.code_combo.currentText())
if shell == "python dict":
environ = context.get_environ()
code = pprint.pformat(environ)
else:
code = context.get_shell_code(shell=shell)
self.code_edit.insertPlainText(code)
self.code_edit.moveCursor(QtGui.QTextCursor.Start)
self.code_pending = False