winpython/winpython/controlpanel.py at master · DylanVB/winpython · GitHub

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# -*- coding: utf-8 -*-

# Licensed under the terms of the MIT License

# (see winpython/__init__.py for details)

"""

WinPython Package Manager GUI

Created on Mon Aug 13 11:40:01 2012

"""

import os.path as osp

import os

import sys

import platform

import locale

# winpython.qt becomes winpython._vendor.qtpy

from winpython._vendor.qtpy.QtWidgets import (QApplication, QMainWindow, QWidget, QLineEdit,

QHBoxLayout, QVBoxLayout, QMessageBox,

QAbstractItemView, QProgressDialog, QTableView,

QPushButton, QLabel, QTabWidget, QToolTip)

from winpython._vendor.qtpy.QtGui import (QColor, QDesktopServices)

from winpython._vendor.qtpy.QtCore import (Qt, QAbstractTableModel, QModelIndex, Signal,

QThread, QTimer, QUrl)

from winpython._vendor.qtpy.compat import (to_qvariant, getopenfilenames,

getexistingdirectory)

import winpython._vendor.qtpy

from winpython.qthelpers import (get_icon, add_actions, create_action,

keybinding, get_std_icon, action2button,

mimedata2url)

# Local imports

from winpython import __version__, __project_url__

from winpython import wppm, associate, utils

from winpython.py3compat import getcwd, to_text_string

COLUMNS = ACTION, CHECK, NAME, VERSION, DESCRIPTION = list(range(5))

class PackagesModel(QAbstractTableModel):

# Signals after PyQt4 old SIGNAL removal

dataChanged = Signal(QModelIndex, QModelIndex)

def __init__(self):

QAbstractTableModel.__init__(self)

self.packages = []

self.checked = set()

self.actions = {}

def sortByName(self):

self.packages = sorted(self.packages, key=lambda x: x.name)

self.reset()

def flags(self, index):

if not index.isValid():

return Qt.ItemIsEnabled

column = index.column()

if column in (NAME, VERSION, ACTION, DESCRIPTION):

return Qt.ItemFlags(QAbstractTableModel.flags(self, index))

else:

return Qt.ItemFlags(QAbstractTableModel.flags(self, index) |

Qt.ItemIsUserCheckable | Qt.ItemIsEditable)

def data(self, index, role=Qt.DisplayRole):

if not index.isValid() or not (0 <= index.row() < len(self.packages)):

return to_qvariant()

package = self.packages[index.row()]

column = index.column()

if role == Qt.CheckStateRole and column == CHECK:

return to_qvariant(package in self.checked)

elif role == Qt.DisplayRole:

if column == NAME:

return to_qvariant(package.name)

elif column == VERSION:

return to_qvariant(package.version)

elif column == ACTION:

action = self.actions.get(package)

if action is not None:

return to_qvariant(action)

elif column == DESCRIPTION:

return to_qvariant(package.description)

elif role == Qt.TextAlignmentRole:

if column == ACTION:

return to_qvariant(int(Qt.AlignRight | Qt.AlignVCenter))

else:

return to_qvariant(int(Qt.AlignLeft | Qt.AlignVCenter))

elif role == Qt.BackgroundColorRole:

if package in self.checked:

color = QColor(Qt.darkGreen)

color.setAlphaF(.1)

return to_qvariant(color)

else:

color = QColor(Qt.lightGray)

color.setAlphaF(.3)

return to_qvariant(color)

return to_qvariant()

def headerData(self, section, orientation, role=Qt.DisplayRole):

if role == Qt.TextAlignmentRole:

if orientation == Qt.Horizontal:

return to_qvariant(int(Qt.AlignHCenter | Qt.AlignVCenter))

return to_qvariant(int(Qt.AlignRight | Qt.AlignVCenter))

if role != Qt.DisplayRole:

return to_qvariant()

if orientation == Qt.Horizontal:

if section == NAME:

return to_qvariant("Name")

elif section == VERSION:

return to_qvariant("Version")

elif section == ACTION:

return to_qvariant("Action")

elif section == DESCRIPTION:

return to_qvariant("Description")

return to_qvariant()

def rowCount(self, index=QModelIndex()):

return len(self.packages)

def columnCount(self, index=QModelIndex()):

return len(COLUMNS)

def setData(self, index, value, role=Qt.EditRole):

if index.isValid() and 0 <= index.row() < len(self.packages)\

and role == Qt.CheckStateRole:

package = self.packages[index.row()]

if package in self.checked:

self.checked.remove(package)

else:

self.checked.add(package)

# PyQt4 old SIGNAL: self.emit(SIGNAL("dataChanged(QModelIndex,QModelIndex)"),

# PyQt4 old SIGNAL: index, index)

self.dataChanged.emit(index, index)

return True

return False

INSTALL_ACTION = 'Install'

REPAIR_ACTION = 'Repair (reinstall)'

NO_REPAIR_ACTION = 'None (Already installed)'

UPGRADE_ACTION = 'Upgrade from v'

NONE_ACTION = '-'

class PackagesTable(QTableView):

# Signals after PyQt4 old SIGNAL removal, to be emitted after package_added event

package_added = Signal()

def __init__(self, parent, process, winname):

QTableView.__init__(self, parent)

assert process in ('install', 'uninstall')

self.process = process

self.model = PackagesModel()

self.setModel(self.model)

self.winname = winname

self.repair = False

self.resizeColumnToContents(0)

self.setAcceptDrops(process == 'install')

if process == 'uninstall':

self.hideColumn(0)

self.distribution = None

self.setSelectionBehavior(QAbstractItemView.SelectRows)

self.verticalHeader().hide()

self.setShowGrid(False)

def reset_model(self):

# self.model.reset() is deprecated in Qt5

self.model.beginResetModel()

self.model.endResetModel()

self.horizontalHeader().setStretchLastSection(True)

for colnb in (ACTION, CHECK, NAME, VERSION):

self.resizeColumnToContents(colnb)

def get_selected_packages(self):

"""Return selected packages"""

return [pack for pack in self.model.packages

if pack in self.model.checked]

def add_packages(self, fnames):

"""Add packages"""

notsupported = []

notcompatible = []

dist = self.distribution

for fname in fnames:

bname = osp.basename(fname)

try:

package = wppm.Package(fname)

if package.is_compatible_with(dist):

self.add_package(package)

else:

notcompatible.append(bname)

except NotImplementedError:

notsupported.append(bname)

# PyQt4 old SIGNAL: self.emit(SIGNAL('package_added()'))

self.package_added.emit()

if notsupported:

QMessageBox.warning(self, "Warning",

"The following packages filenaming are not "

"recognized by %s:\n\n%s"

% (self.winname, " ".join(notsupported)),

QMessageBox.Ok)

if notcompatible:

QMessageBox.warning(self, "Warning", "The following packages "

"are not compatible with "

"Python %s %dbit:\n\n%s"

% (dist.version, dist.architecture,

" ".join(notcompatible)),

QMessageBox.Ok)

def add_package(self, package):

for pack in self.model.packages:

if pack.name == package.name:

return

self.model.packages.append(package)

self.model.packages.sort(key=lambda x: x.name)

self.model.checked.add(package)

self.reset_model()

def remove_package(self, package):

self.model.packages = [pack for pack in self.model.packages

if pack.fname != package.fname]

if package in self.model.checked:

self.model.checked.remove(package)

if package in self.model.actions:

self.model.actions.pop(package)

self.reset_model()

def refresh_distribution(self, dist):

self.distribution = dist

if self.process == 'install':

for package in self.model.packages:

pack = dist.find_package(package.name)

if pack is None:

action = INSTALL_ACTION

elif pack.version == package.version:

if self.repair:

action = REPAIR_ACTION

else:

action = NO_REPAIR_ACTION

else:

action = UPGRADE_ACTION + pack.version

self.model.actions[package] = action

else:

self.model.packages = self.distribution.get_installed_packages()

for package in self.model.packages:

self.model.actions[package] = NONE_ACTION

self.reset_model()

def select_all(self):

allpk = set(self.model.packages)

if self.model.checked == allpk:

self.model.checked = set()

else:

self.model.checked = allpk

self.model.reset()

def dragMoveEvent(self, event):

"""Reimplement Qt method, just to avoid default drag'n drop

implementation of QTableView to handle events"""

event.acceptProposedAction()

def dragEnterEvent(self, event):

"""Reimplement Qt method

Inform Qt about the types of data that the widget accepts"""

source = event.mimeData()

if source.hasUrls() and mimedata2url(source):

event.acceptProposedAction()

def dropEvent(self, event):

"""Reimplement Qt method

Unpack dropped data and handle it"""

source = event.mimeData()

fnames = [path for path in mimedata2url(source) if osp.isfile(path)]

self.add_packages(fnames)

event.acceptProposedAction()

class DistributionSelector(QWidget):

"""Python distribution selector widget"""

TITLE = 'Select a Python distribution path'

# Signals after PyQt4 old SIGNAL removal

selected_distribution = Signal(str)

def __init__(self, parent):

super(DistributionSelector, self).__init__(parent)

self.browse_btn = None

self.label = None

self.line_edit = None

self.setup_widget()

def set_distribution(self, path):

"""Set distribution directory"""

self.line_edit.setText(path)

def setup_widget(self):

"""Setup workspace selector widget"""

self.label = QLabel()

self.line_edit = QLineEdit()

self.line_edit.setAlignment(Qt.AlignRight)

self.line_edit.setReadOnly(True)

# self.line_edit.setDisabled(True)

self.browse_btn = QPushButton(get_std_icon('DirOpenIcon'), "", self)

self.browse_btn.setToolTip(self.TITLE)

# PyQt4 old SIGNAL:self.connect(self.browse_btn, SIGNAL("clicked()"),

# PyQt4 old SIGNAL: self.select_directory)

self.browse_btn.clicked.connect(self.select_directory)

layout = QHBoxLayout()

layout.addWidget(self.label)

layout.addWidget(self.line_edit)

layout.addWidget(self.browse_btn)

layout.setContentsMargins(0, 0, 0, 0)

self.setLayout(layout)

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)

# PyQt4 old SIGNAL: self.emit(SIGNAL('selected_distribution(QString)'), directory)

self.selected_distribution.emit(directory)

break

class Thread(QThread):

"""Installation/Uninstallation thread"""

def __init__(self, parent):

QThread.__init__(self, parent)

self.callback = None

self.error = None

def run(self):

try:

self.callback()

except Exception as error:

error_str = str(error)

fs_encoding = sys.getfilesystemencoding()\

or locale.getpreferredencoding()

try:

error_str = error_str.decode(fs_encoding)

except (UnicodeError, TypeError, AttributeError):

pass

self.error = error_str

def python_distribution_infos():

"""Return Python distribution infos (not selected distribution but

the one used to run this script)"""

winpyver = os.environ.get('WINPYVER')

if winpyver is None:

return 'Unknown Python distribution'

else:

return 'WinPython ' + winpyver

class PMWindow(QMainWindow):

NAME = 'WinPython Control Panel'

def __init__(self):

QMainWindow.__init__(self)

self.setAttribute(Qt.WA_DeleteOnClose)

self.distribution = None

self.tabwidget = None

self.selector = None

self.table = None

self.untable = None

self.basedir = None

self.select_all_action = None

self.install_action = None

self.uninstall_action = None

self.remove_action = None

self.packages_icon = get_std_icon('FileDialogContentsView')

self.setup_window()

def _add_table(self, table, title, icon):

"""Add table tab to main tab widget, return button layout"""

widget = QWidget()

tabvlayout = QVBoxLayout()

widget.setLayout(tabvlayout)

tabvlayout.addWidget(table)

btn_layout = QHBoxLayout()

tabvlayout.addLayout(btn_layout)

self.tabwidget.addTab(widget, icon, title)

return btn_layout

def setup_window(self):

"""Setup main window"""

self.setWindowTitle(self.NAME)

self.setWindowIcon(get_icon('winpython.svg'))

self.selector = DistributionSelector(self)

# PyQt4 old SIGNAL: self.connect(self.selector, SIGNAL('selected_distribution(QString)'),

# PyQt4 old SIGNAL: self.distribution_changed)

self.selector.selected_distribution.connect(self.distribution_changed)

self.table = PackagesTable(self, 'install', self.NAME)

# PyQt4 old SIGNAL:self.connect(self.table, SIGNAL('package_added()'),

# PyQt4 old SIGNAL: self.refresh_install_button)

self.table.package_added.connect(self.refresh_install_button)

# PyQt4 old SIGNAL: self.connect(self.table, SIGNAL("clicked(QModelIndex)"),

# PyQt4 old SIGNAL: lambda index: self.refresh_install_button())

self.table.clicked.connect(lambda index: self.refresh_install_button())

self.untable = PackagesTable(self, 'uninstall', self.NAME)

# PyQt4 old SIGNAL:self.connect(self.untable, SIGNAL("clicked(QModelIndex)"),

# PyQt4 old SIGNAL: lambda index: self.refresh_uninstall_button())

self.untable.clicked.connect(lambda index: self.refresh_uninstall_button())

self.selector.set_distribution(sys.prefix)

self.distribution_changed(sys.prefix)

self.tabwidget = QTabWidget()

# PyQt4 old SIGNAL:self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),

# PyQt4 old SIGNAL: self.current_tab_changed)

self.tabwidget.currentChanged.connect(self.current_tab_changed)

btn_layout = self._add_table(self.table, "Install/upgrade packages",

get_std_icon("ArrowDown"))

unbtn_layout = self._add_table(self.untable, "Uninstall packages",

get_std_icon("DialogResetButton"))

central_widget = QWidget()

vlayout = QVBoxLayout()

vlayout.addWidget(self.selector)

vlayout.addWidget(self.tabwidget)

central_widget.setLayout(vlayout)

self.setCentralWidget(central_widget)

# Install tab

add_action = create_action(self, "&Add packages...",

icon=get_std_icon('DialogOpenButton'),

triggered=self.add_packages)

self.remove_action = create_action(self, "Remove",

shortcut=keybinding('Delete'),

icon=get_std_icon('TrashIcon'),

triggered=self.remove_packages)

self.remove_action.setEnabled(False)

self.select_all_action = create_action(self, "(Un)Select all",

shortcut=keybinding('SelectAll'),

icon=get_std_icon('DialogYesButton'),

triggered=self.table.select_all)

self.install_action = create_action(self, "&Install packages",

icon=get_std_icon('DialogApplyButton'),

triggered=lambda: self.process_packages('install'))

self.install_action.setEnabled(False)

quit_action = create_action(self, "&Quit",

icon=get_std_icon('DialogCloseButton'),

triggered=self.close)

packages_menu = self.menuBar().addMenu("&Packages")

add_actions(packages_menu, [add_action, self.remove_action,

self.install_action,

None, quit_action])

# Uninstall tab

self.uninstall_action = create_action(self, "&Uninstall packages",

icon=get_std_icon('DialogCancelButton'),

triggered=lambda: self.process_packages('uninstall'))

self.uninstall_action.setEnabled(False)

uninstall_btn = action2button(self.uninstall_action, autoraise=False,

text_beside_icon=True)

# Option menu

option_menu = self.menuBar().addMenu("&Options")

repair_action = create_action(self, "Repair packages",

tip="Reinstall packages even if version is unchanged",

toggled=self.toggle_repair)

add_actions(option_menu, (repair_action,))

# Advanced menu

option_menu = self.menuBar().addMenu("&Advanced")

register_action = create_action(self, "Register distribution...",

tip="Register file extensions, icons and context menu",

triggered=self.register_distribution)

unregister_action = create_action(self, "Unregister distribution...",

tip="Unregister file extensions, icons and context menu",

triggered=self.unregister_distribution)

open_console_action = create_action(self, "Open console here",

triggered=lambda: os.startfile(self.command_prompt_path))

open_console_action.setEnabled(osp.exists(self.command_prompt_path))

add_actions(option_menu, (register_action, unregister_action,

None, open_console_action))

# # View menu

# view_menu = self.menuBar().addMenu("&View")

# popmenu = self.createPopupMenu()

# add_actions(view_menu, popmenu.actions())

# Help menu

about_action = create_action(self, "About %s..." % self.NAME,

icon=get_std_icon('MessageBoxInformation'),

triggered=self.about)

report_action = create_action(self, "Report issue...",

icon=get_icon('bug.png'),

triggered=self.report_issue)

help_menu = self.menuBar().addMenu("?")

add_actions(help_menu, [about_action, None, report_action])

# Status bar

status = self.statusBar()

status.setObjectName("StatusBar")

status.showMessage("Welcome to %s!" % self.NAME, 5000)

# Button layouts

for act in (add_action, self.remove_action, None,

self.select_all_action, self.install_action):

if act is None:

btn_layout.addStretch()

else:

btn_layout.addWidget(action2button(act, autoraise=False,

text_beside_icon=True))

unbtn_layout.addWidget(uninstall_btn)

unbtn_layout.addStretch()

self.resize(400, 500)

def current_tab_changed(self, index):

"""Current tab has just changed"""

if index == 0:

self.show_drop_tip()

def refresh_install_button(self):

"""Refresh install button enable state"""

self.table.refresh_distribution(self.distribution)

self.install_action.setEnabled(

len(self.get_packages_to_be_installed()) > 0)

nbp = len(self.table.get_selected_packages())

for act in (self.remove_action, self.select_all_action):

act.setEnabled(nbp > 0)

self.show_drop_tip()

def show_drop_tip(self):

"""Show drop tip on install table"""

callback = lambda: QToolTip.showText(

self.table.mapToGlobal(self.table.pos()),

'Drop files here '\

'Executable installers (distutils) or source packages',

self)

QTimer.singleShot(500, callback)

def refresh_uninstall_button(self):

"""Refresh uninstall button enable state"""

nbp = len(self.untable.get_selected_packages())

self.uninstall_action.setEnabled(nbp > 0)

def toggle_repair(self, state):

"""Toggle repair mode"""

self.table.repair = state

self.refresh_install_button()

def register_distribution(self):

"""Register distribution"""

answer = QMessageBox.warning(self, "Register distribution",

"This will associate file extensions, icons and "

"Windows explorer's context menu entries ('Edit with IDLE', ...) "

"with selected Python distribution in Windows registry. "

" Shortcuts for all WinPython launchers will be installed "

"in WinPython Start menu group (replacing existing "

"shortcuts)."

" If pywin32 is installed (it should be on any "

"WinPython distribution), the Python ActiveX Scripting client "

"will also be registered."

" Warning: the only way to undo this change is to "

"register another Python distribution to Windows registry."

" Note: these actions are exactly the same as those "

"performed when installing Python with the official installer "

"for Windows. Do you want to continue?",

QMessageBox.Yes | QMessageBox.No)

if answer == QMessageBox.Yes:

associate.register(self.distribution.target)

def unregister_distribution(self):

"""Unregister distribution"""

answer = QMessageBox.warning(self, "Unregister distribution",

"This will remove file extensions associations, icons and "

"Windows explorer's context menu entries ('Edit with IDLE', ...) "

"with selected Python distribution in Windows registry. "

" Shortcuts for all WinPython launchers will be removed "

"from WinPython Start menu group."

" If pywin32 is installed (it should be on any "

"WinPython distribution), the Python ActiveX Scripting client "

"will also be unregistered."

" Do you want to continue?",

QMessageBox.Yes | QMessageBox.No)

if answer == QMessageBox.Yes:

associate.unregister(self.distribution.target)

@property

def command_prompt_path(self):

return osp.join(self.distribution.target, osp.pardir,

"WinPython Command Prompt.exe")

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 add_packages(self):

"""Add packages"""

basedir = self.basedir if self.basedir is not None else ''

fnames, _selfilter = getopenfilenames(parent=self, basedir=basedir,

caption='Add packages',

filters='*.exe *.zip *.tar.gz *.whl')

if fnames:

self.basedir = osp.dirname(fnames[0])

self.table.add_packages(fnames)

def get_packages_to_be_installed(self):

"""Return packages to be installed"""

return [pack for pack in self.table.get_selected_packages()

if self.table.model.actions[pack]

not in (NO_REPAIR_ACTION, NONE_ACTION)]

def remove_packages(self):

"""Remove selected packages"""

for package in self.table.get_selected_packages():

self.table.remove_package(package)

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",

"Unable to %s %s"

" Error message: %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 report_issue(self):

issue_template = """\

Python distribution: %s

Control panel version: %s

Python Version: %s

Qt Version: %s, %s %s

What steps will reproduce the problem?

What is the expected output? What do you see instead?

Please provide any additional information below.

""" % (python_distribution_infos(),

__version__, platform.python_version(),

winpython._vendor.qtpy.QtCore.__version__, winpython.qt.API_NAME,

winpython._vendor.qtpy.__version__)

url = QUrl("%s/issues/entry" % __project_url__)

url.addQueryItem("comment", issue_template)

QDesktopServices.openUrl(url)

def about(self):

"""About this program"""

QMessageBox.about(self,

"About %s" % self.NAME,

"""%s %s

Package Manager and Advanced Tasks

Licensed under the terms of the MIT License

Created, developed and maintained by Pierre Raybaut

<a href="%s">WinPython at Github.io</a>: downloads, bug reports,

discussions, etc.

This program is executed by:

%s

Python %s, Qt %s, %s qtpy %s"""

% (self.NAME, __version__, __project_url__,

python_distribution_infos(),

platform.python_version(), winpython._vendor.qtpy.QtCore.__version__,

winpython._vendor.qtpy.API_NAME, winpython._vendor.qtpy.__version__,))

def main(test=False):

app = QApplication([])

win = PMWindow()

win.show()

if test:

return app, win

else:

app.exec_()

def test():

app, win = main(test=True)

print(sys.modules)

app.exec_()

if __name__ == "__main__":

main()

winpython/winpython/controlpanel.py at master · DylanVB/winpython · GitHub

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