def _qfiledialog_wrapper(attr, parent=None, caption='', basedir='',
filters='', selectedfilter='', options=None):
if options is None:
options = QFileDialog.Options(0)
try:
# PyQt <v4.6 (API #1)
from winpython.qt.QtCore import QString
except ImportError:
# PySide or PyQt >=v4.6
QString = None # analysis:ignore
tuple_returned = True
try:
# PyQt >=v4.6
func = getattr(QFileDialog, attr+'AndFilter')
except AttributeError:
# PySide or PyQt <v4.6
func = getattr(QFileDialog, attr)
if QString is not None:
selectedfilter = QString()
tuple_returned = False
# Calling QFileDialog static method
if sys.platform == "win32":
# On Windows platforms: redirect standard outputs
_temp1, _temp2 = sys.stdout, sys.stderr
sys.stdout, sys.stderr = None, None
try:
result = func(parent, caption, basedir,
filters, selectedfilter, options)
except TypeError:
# The selectedfilter option (`initialFilter` in Qt) has only been
# introduced in Jan. 2010 for PyQt v4.7, that's why we handle here
# the TypeError exception which will be raised with PyQt v4.6
# (see Issue 960 for more details)
result = func(parent, caption, basedir, filters, options)
finally:
if sys.platform == "win32":
# On Windows platforms: restore standard outputs
sys.stdout, sys.stderr = _temp1, _temp2
# Processing output
if tuple_returned:
# PySide or PyQt >=v4.6
output, selectedfilter = result
else:
# PyQt <v4.6 (API #1)
output = result
if QString is not None:
# PyQt API #1: conversions needed from QString/QStringList
selectedfilter = to_text_string(selectedfilter)
if isinstance(output, QString):
# Single filename
output = to_text_string(output)
else:
# List of filenames
output = [to_text_string(fname) for fname in output]
# Always returns the tuple (output, selectedfilter)
return output, selectedfilter
def process_packages(self, action):
"""Install/uninstall packages"""
if action == 'install':
text, table = 'Installing', self.table
if not self.get_packages_to_be_installed():
return
elif action == 'uninstall':
text, table = 'Uninstalling', self.untable
else:
raise AssertionError
packages = table.get_selected_packages()
if not packages:
return
func = getattr(self.distribution, action)
thread = Thread(self)
for widget in self.children():
if isinstance(widget, QWidget):
widget.setEnabled(False)
try:
status = self.statusBar()
except AttributeError:
status = self.parent().statusBar()
progress = QProgressDialog(self, Qt.FramelessWindowHint)
progress.setMaximum(len(packages)) # old vicious bug:len(packages)-1
for index, package in enumerate(packages):
progress.setValue(index)
progress.setLabelText("%s %s %s..." %
(text, package.name, package.version))
QApplication.processEvents()
if progress.wasCanceled():
break
if package in table.model.actions:
try:
thread.callback = lambda: func(package)
thread.start()
while thread.isRunning():
QApplication.processEvents()
if progress.wasCanceled():
status.setEnabled(True)
status.showMessage("Cancelling operation...")
table.remove_package(package)
error = thread.error
except Exception as error:
error = to_text_string(error)
if error is not None:
pstr = (package.name + ' ' + package.version)
QMessageBox.critical(
self,
"Error",
"<b>Unable to %s <i>%s</i></b>"
"<br><br>Error message:<br>%s" % (action, pstr, error),
)
progress.setValue(progress.maximum())
status.clearMessage()
for widget in self.children():
if isinstance(widget, QWidget):
widget.setEnabled(True)
thread = None
for table in (self.table, self.untable):
table.refresh_distribution(self.distribution)
def process_packages(self, action):
"""Install/uninstall packages"""
if action == "install":
text, table = "Installing", self.table
if not self.get_packages_to_be_installed():
return
elif action == "uninstall":
text, table = "Uninstalling", self.untable
else:
raise AssertionError
packages = table.get_selected_packages()
if not packages:
return
func = getattr(self.distribution, action)
thread = Thread(self)
for widget in self.children():
if isinstance(widget, QWidget):
widget.setEnabled(False)
try:
status = self.statusBar()
except AttributeError:
status = self.parent().statusBar()
progress = QProgressDialog(self, Qt.FramelessWindowHint)
progress.setMaximum(len(packages)) # old vicious bug:len(packages)-1
for index, package in enumerate(packages):
progress.setValue(index)
progress.setLabelText("%s %s %s..." % (text, package.name, package.version))
QApplication.processEvents()
if progress.wasCanceled():
break
if package in table.model.actions:
try:
thread.callback = lambda: func(package)
thread.start()
while thread.isRunning():
QApplication.processEvents()
if progress.wasCanceled():
status.setEnabled(True)
status.showMessage("Cancelling operation...")
table.remove_package(package)
error = thread.error
except Exception as error:
error = to_text_string(error)
if error is not None:
pstr = package.name + " " + package.version
QMessageBox.critical(
self,
"Error",
"<b>Unable to %s <i>%s</i></b>" "<br><br>Error message:<br>%s" % (action, pstr, error),
)
progress.setValue(progress.maximum())
status.clearMessage()
for widget in self.children():
if isinstance(widget, QWidget):
widget.setEnabled(True)
thread = None
for table in (self.table, self.untable):
table.refresh_distribution(self.distribution)
def mimedata2url(source, extlist=None):
"""
Extract url list from MIME data
extlist: for example ('.py', '.pyw')
"""
pathlist = []
if source.hasUrls():
for url in source.urls():
path = _process_mime_path(to_text_string(url.toString()), extlist)
if path is not None:
pathlist.append(path)
elif source.hasText():
for rawpath in to_text_string(source.text()).splitlines():
path = _process_mime_path(rawpath, extlist)
if path is not None:
pathlist.append(path)
if pathlist:
return pathlist
def distribution_changed(self, path):
"""Distribution path has just changed"""
for package in self.table.model.packages:
self.table.remove_package(package)
dist = wppm.Distribution(to_text_string(path))
self.table.refresh_distribution(dist)
self.untable.refresh_distribution(dist)
self.distribution = dist
self.selector.label.setText("Python %s %dbit:" % (dist.version, dist.architecture))
def mimedata2url(source, extlist=None):
"""
Extract url list from MIME data
extlist: for example ('.py', '.pyw')
"""
pathlist = []
if source.hasUrls():
for url in source.urls():
path = _process_mime_path(to_text_string(url.toString()), extlist)
if path is not None:
pathlist.append(path)
elif source.hasText():
for rawpath in to_text_string(source.text()).splitlines():
path = _process_mime_path(rawpath, extlist)
if path is not None:
pathlist.append(path)
if pathlist:
return pathlist
def distribution_changed(self, path):
"""Distribution path has just changed"""
for package in self.table.model.packages:
self.table.remove_package(package)
dist = wppm.Distribution(to_text_string(path))
self.table.refresh_distribution(dist)
self.untable.refresh_distribution(dist)
self.distribution = dist
self.selector.label.setText('Python %s %dbit:' %
(dist.version, dist.architecture))
def select_directory(self):
"""Select directory"""
basedir = to_text_string(self.line_edit.text())
if not osp.isdir(basedir):
basedir = getcwd()
while True:
directory = getexistingdirectory(self, self.TITLE, basedir)
if not directory:
break
if not utils.is_python_distribution(directory):
QMessageBox.warning(self, self.TITLE,
"The following directory is not a Python distribution.",
QMessageBox.Ok)
basedir = directory
continue
directory = osp.abspath(osp.normpath(directory))
self.set_distribution(directory)
self.emit(SIGNAL('selected_distribution(QString)'), directory)
break
def getexistingdirectory(parent=None, caption='', basedir='',
options=QFileDialog.ShowDirsOnly):
"""Wrapper around QtGui.QFileDialog.getExistingDirectory static method
Compatible with PyQt >=v4.4 (API #1 and #2) and PySide >=v1.0"""
# Calling QFileDialog static method
if sys.platform == "win32":
# On Windows platforms: redirect standard outputs
_temp1, _temp2 = sys.stdout, sys.stderr
sys.stdout, sys.stderr = None, None
try:
result = QFileDialog.getExistingDirectory(parent, caption, basedir,
options)
finally:
if sys.platform == "win32":
# On Windows platforms: restore standard outputs
sys.stdout, sys.stderr = _temp1, _temp2
if not is_text_string(result):
# PyQt API #1
result = to_text_string(result)
return result
def getexistingdirectory(parent=None,
caption='',
basedir='',
options=QFileDialog.ShowDirsOnly):
"""Wrapper around QtGui.QFileDialog.getExistingDirectory static method
Compatible with PyQt >=v4.4 (API #1 and #2) and PySide >=v1.0"""
# Calling QFileDialog static method
if sys.platform == "win32":
# On Windows platforms: redirect standard outputs
_temp1, _temp2 = sys.stdout, sys.stderr
sys.stdout, sys.stderr = None, None
try:
result = QFileDialog.getExistingDirectory(parent, caption, basedir,
options)
finally:
if sys.platform == "win32":
# On Windows platforms: restore standard outputs
sys.stdout, sys.stderr = _temp1, _temp2
if not is_text_string(result):
# PyQt API #1
result = to_text_string(result)
return result
def _qfiledialog_wrapper(attr,
parent=None,
caption='',
basedir='',
filters='',
selectedfilter='',
options=None):
if options is None:
options = QFileDialog.Options(0)
try:
# PyQt <v4.6 (API #1)
from winpython.qt.QtCore import QString
except ImportError:
# PySide or PyQt >=v4.6
QString = None # analysis:ignore
tuple_returned = True
try:
# PyQt >=v4.6
func = getattr(QFileDialog, attr + 'AndFilter')
except AttributeError:
# PySide or PyQt <v4.6
func = getattr(QFileDialog, attr)
if QString is not None:
selectedfilter = QString()
tuple_returned = False
# Calling QFileDialog static method
if sys.platform == "win32":
# On Windows platforms: redirect standard outputs
_temp1, _temp2 = sys.stdout, sys.stderr
sys.stdout, sys.stderr = None, None
try:
result = func(parent, caption, basedir, filters, selectedfilter,
options)
except TypeError:
# The selectedfilter option (`initialFilter` in Qt) has only been
# introduced in Jan. 2010 for PyQt v4.7, that's why we handle here
# the TypeError exception which will be raised with PyQt v4.6
# (see Issue 960 for more details)
result = func(parent, caption, basedir, filters, options)
finally:
if sys.platform == "win32":
# On Windows platforms: restore standard outputs
sys.stdout, sys.stderr = _temp1, _temp2
# Processing output
if tuple_returned:
# PySide or PyQt >=v4.6
output, selectedfilter = result
else:
# PyQt <v4.6 (API #1)
output = result
if QString is not None:
# PyQt API #1: conversions needed from QString/QStringList
selectedfilter = to_text_string(selectedfilter)
if isinstance(output, QString):
# Single filename
output = to_text_string(output)
else:
# List of filenames
output = [to_text_string(fname) for fname in output]
# Always returns the tuple (output, selectedfilter)
return output, selectedfilter
