/usr/share/pypibrowser/PyPIBrowser/dialogs.py is in pypibrowser 1.5-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
dialogs.py
Copyright (C) 2006 David Boddie
This file is part of PyPI Browser, a GUI browser for the Python Package Index.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
from actioneditor import ActionEditorDialog
import distutils.command, distutils.util, os, sys, urllib2, urlparse
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from ui_configurationdialog import Ui_ConfigurationDialog
from ui_downloaddialog import Ui_DownloadDialog
from ui_informationwindow import Ui_InformationWindow
from delegates import ProgressDelegate
from packagemodel import PackageModel
import desktop
class ConfigurationDialog(QDialog, Ui_ConfigurationDialog):
"""ConfigurationDialog(QDialog, Ui_ConfigurationDialog)
Provides a configuration dialog with basic functionality for changing
settings used by various components of the browser.
"""
def __init__(self, settings, parent = None):
QDialog.__init__(self, parent)
self.setupUi(self)
self.settings = settings
self.setPythonPlaceholders()
directory = self.settings.value("Download directory")
self.setDownloadDirectory(directory)
self.getPackagePreferences()
self.setPackagePreferences()
self.getPackageIndex()
self.connect(self.packageIndexLineEdit, SIGNAL("textChanged(const QString &)"),
self.validatePackageIndex)
self.connect(self.downloadButton, SIGNAL("clicked()"),
self.getDownloadDirectory)
self.connect(self.preferencesList, SIGNAL("itemSelectionChanged()"),
self.updatePreferencesButtons)
self.connect(self.upButton, SIGNAL("clicked()"), self.movePreferenceUp)
self.connect(self.downButton, SIGNAL("clicked()"), self.movePreferenceDown)
self.connect(self.hideButton, SIGNAL("clicked()"), self.hidePreference)
self.connect(self.systemPathsList, SIGNAL("itemActivated(QListWidgetItem *)"),
self.openSystemPath)
def getDownloadDirectory(self):
"""getDownloadDirectory(self)
Ask the user to specify an existing directory using a standard file
dialog for the browser to use when saving downloaded packages.
If the new directory path is not valid, the current directory is
retained.
"""
path = QFileDialog.getExistingDirectory(self,
self.tr("Choose Download Directory"))
if not path.isNull():
self.setDownloadDirectory(path)
def getPackageIndex(self):
packageIndex = self.settings.value("Package index")
if packageIndex.isValid():
self.packageIndexLineEdit.setText(packageIndex.toString())
else:
self.packageIndexLineEdit.setText(u"http://cheeseshop.python.org/pypi")
self.packageIndexLineEdit.setCursorPosition(0)
def getPackagePreferences(self):
preferences = self.settings.value("Package preferences")
if preferences.isValid():
commands = preferences.toStringList()
else:
commands = filter(lambda command: command.find("dist") != -1,
distutils.command.__all__)
commands.insert(0, "default")
for command in commands:
if u"|" in command:
text, state = unicode(command).split(u"|")
else:
text = command
state = u"E"
item = QListWidgetItem(self.preferencesList)
item.setText(text)
if state == u"H":
item.setFlags(item.flags() ^ Qt.ItemIsEnabled)
def movePreferenceUp(self):
item = self.preferencesList.selectedItems()[0]
row = self.preferencesList.row(item)
if row > 0:
item = self.preferencesList.takeItem(row)
self.preferencesList.insertItem(row - 1, item)
self.preferencesList.setCurrentRow(row - 1)
def movePreferenceDown(self):
item = self.preferencesList.selectedItems()[0]
row = self.preferencesList.row(item)
if row < self.preferencesList.count() - 1:
item = self.preferencesList.takeItem(row)
self.preferencesList.insertItem(row + 1, item)
self.preferencesList.setCurrentRow(row + 1)
def hidePreference(self):
item = self.preferencesList.selectedItems()[0]
row = self.preferencesList.row(item)
item.setFlags(item.flags() ^ Qt.ItemIsEnabled)
self.updatePreferencesButtons()
def openSystemPath(self, item):
desktop.open(unicode(item.text()))
def saveSettings(self):
self.settings.setValue("Download directory",
QVariant(self.downloadLineEdit.text()))
self.setPackagePreferences()
self.setPackageIndex()
def setDownloadDirectory(self, directory):
"""setDownloadDirectory(self, directory)
Sets the directory used by the browser to hold downloaded packages
and updates the relevant field in the dialog.
The directory must be specified using either a string or a QVariant
that holds a string.
If the directory is not valid, the field in the dialog is disabled,
indicating that package downloading is disabled.
"""
if isinstance(directory, QVariant):
directory = directory.toString()
if directory.isNull():
self.downloadLineEdit.setEnabled(False)
else:
self.downloadLineEdit.setEnabled(True)
self.downloadLineEdit.setText(directory)
self.downloadLineEdit.setCursorPosition(0)
def setPackageIndex(self):
url = self.packageIndexLineEdit.text()
if self.validateURL(url):
self.settings.setValue("Package index", QVariant(url))
def setPackagePreferences(self):
commands = []
for row in range(self.preferencesList.count()):
item = self.preferencesList.item(row)
text = unicode(item.text())
if item.flags() & Qt.ItemIsEnabled:
state = u"E"
else:
state = u"H"
commands.append(u"|".join((text, state)))
self.settings.setValue("Package preferences", QVariant(commands))
def setPythonPlaceholders(self):
self.versionPlaceholder.setText(
self.tr("%1.%2.%3").arg(sys.version_info[0]).arg(
sys.version_info[1]).arg(sys.version_info[2]))
self.platformPlaceholder.setText(distutils.util.get_platform())
for path in sys.path:
item = QListWidgetItem(self.systemPathsList)
item.setText(path)
def updatePreferencesButtons(self):
enable = len(self.preferencesList.selectedItems()) > 0
self.upButton.setEnabled(enable)
self.downButton.setEnabled(enable)
self.hideButton.setEnabled(enable)
if enable:
item = self.preferencesList.selectedItems()[0]
if item.flags() & Qt.ItemIsEnabled:
self.hideButton.setText(self.tr("&Hide"))
else:
self.hideButton.setText(self.tr("S&how"))
def validateURL(self, text):
pieces = filter(lambda piece: piece.strip() != u"",
urlparse.urlsplit(unicode(text))[:2])
return len(pieces) == 2
def validatePackageIndex(self, text):
palette = self.packageIndexLineEdit.palette()
if not self.validateURL(text):
palette.setColor(QPalette.Text, Qt.red)
palette.setColor(QPalette.Base, Qt.white)
else:
palette.setColor(QPalette.Text, QPalette().color(QPalette.Text))
palette.setColor(QPalette.Base, QPalette().color(QPalette.Base))
self.packageIndexLineEdit.setPalette(palette)
class DownloadDialog(QDialog, Ui_DownloadDialog):
"""DownloadDialog(QDialog, Ui_DownloadDialog)
Provides a dialog that shows the progress of a series of download
operations.
Each package file that is successfully (or partially) downloaded is
stored in a directory defined in the settings object specified when
the dialog is created.
"""
def __init__(self, settings, parent = None):
QDialog.__init__(self, parent)
self.setupUi(self)
QMetaObject.connectSlotsByName(self)
self.settings = settings
self.stopped = False
self.treeWidget.setColumnCount(3)
self.treeWidget.setHeaderLabels(
QStringList() << self.tr("Name") << self.tr("File name") << self.tr("Progress")
)
delegate = ProgressDelegate(self)
self.treeWidget.setItemDelegate(delegate)
self.treeWidget.setMouseTracking(True)
self.treeWidget.mouseMoveEvent = self._mouseMoveEvent
font = QFont()
font.setUnderline(True)
self.linkFont = QVariant(font)
self.connect(self.stopButton, SIGNAL("clicked()"), self.stopDownload)
self.connect(self.openDirButton, SIGNAL("clicked()"), self.openDirectory)
self.connect(self.treeWidget,
SIGNAL("itemEntered(QTreeWidgetItem *, int)"),
self.changeCursor)
self.connect(self.treeWidget,
SIGNAL("itemClicked(QTreeWidgetItem *, int)"),
self.launchBrowser)
def _mouseMoveEvent(self, event):
item = self.treeWidget.itemAt(event.pos())
if not item:
self.treeWidget.unsetCursor()
QTreeWidget.mouseMoveEvent(self.treeWidget, event)
def changeCursor(self, item, column):
if column == 1 and item.data(column, Qt.UserRole+1).isValid():
self.treeWidget.setCursor(Qt.PointingHandCursor)
else:
self.treeWidget.unsetCursor()
def downloadPackage(self, item, directory, download_urls, completed, packages):
for url in download_urls:
try:
path = urllib2.urlparse.urlsplit(url)[2]
filename = path.split("/")[-1]
savePath = os.path.join(directory, filename)
item.setText(1, filename)
f = open(savePath, "wb")
u = urllib2.urlopen(url)
info = u.info()
length = int(info.getheader("Content-length"))
digits = len("%i" % length)
total = 0
while True:
bytes = u.read(4096)
read = len(bytes)
f.write(bytes)
total += read
if QT_VERSION & 0xffff00 < 0x40200:
text = self.tr("%1/%2 byte(s) (%3%)", "Total number of bytes")
else:
text = self.tr("%1/%2 byte(s) (%3%)", "Total number of bytes", length)
item.setText(2, text.arg(total, digits).arg(length)
.arg(int(100*float(total)/length)))
item.setData(2, Qt.UserRole, QVariant(100*float(total)/length))
self.progressBar.setValue(100*(float(completed) + float(total)/length)/packages)
qApp.processEvents()
if read < 4096 or self.stopped:
break
u.close()
f.close()
if self.stopped and total < length:
# Remove the file if it was only partially downloaded.
os.remove(savePath)
# We successfully downloaded a package, or the download was
# stopped, so break out of the loop.
break
except:
# Try the next URL in the list.
pass
else:
# All URLs were tried, but none could be used to obtain a package.
return False
return True
def execute(self, packages):
"""execute(self, packages)
Download each of the packages in a list to a directory specified
in the application's settings.
If no suitable download directory is defined in the settings, the
method returns immediately.
The event loop is run periodically, enabling the progress of the
download operation to be reporting and allowing the user to cancel
the operation if required.
"""
if not self.settings.value("Download directory").isValid():
return
if not self.settings.value("Package preferences").isValid():
return
directory = unicode(self.settings.value("Download directory").toString())
if not os.path.isdir(directory):
return
self.startDownload()
qApp.processEvents()
# Compile a dictionary of hidden package types from the package
# preferences.
hidden = {}
ordered = []
for command in self.settings.value("Package preferences").toStringList():
text, state = unicode(command).split(u"|")
if state == u"H":
hidden[text] = None
else:
ordered.append(text)
completed = 0
for name, version, release_urls, home_url in packages:
item = QTreeWidgetItem(self.treeWidget)
item.setText(0, name)
item.setText(2, self.tr("Fetching..."))
item.setData(2, Qt.UserRole, QVariant(0))
item.setFlags(Qt.ItemIsEnabled)
qApp.processEvents()
download_urls = {}
for i in range(0, len(release_urls), 4):
release_url = {}
release_url[release_urls[i]] = release_urls[i+1]
release_url[release_urls[i+2]] = release_urls[i+3]
if release_url[u"packagetype"] not in hidden:
download_urls[release_url[u"packagetype"]] = release_url[u"url"]
if download_urls:
# Create an ordered list of URLs by filtering the ordered list
# to include only keys that are available in the dictionary
# supplied for this package, then use those keys to access the
# dictionary.
ordered_urls = map(lambda k: download_urls[k],
filter(lambda k: k in download_urls, ordered))
downloaded = self.downloadPackage(item, directory, ordered_urls,
completed, len(packages))
else:
downloaded = False
if not downloaded:
if not home_url or not urlparse.urlsplit(home_url)[0]:
item.setText(2, self.tr("Failed"))
else:
item.setText(2, home_url)
item.setData(2, Qt.UserRole, QVariant())
item.setData(2, Qt.UserRole+1, QVariant(home_url))
item.setData(2, Qt.FontRole, self.linkFont)
completed += 1
self.progressBar.setValue(100*float(completed)/len(packages))
if self.stopped:
break
self.stopDownload()
def launchBrowser(self, item, column):
if column == 1:
variant = item.data(column, Qt.UserRole+1)
if variant.isValid():
home_url = unicode(variant.toString())
desktop.open(home_url)
def startDownload(self):
"""startDownload(self)
Prepares the user interface for use during a download operation.
"""
self.stopped = False
self.stopButton.setEnabled(True)
self.closeButton.setEnabled(False)
self.treeWidget.clear()
def openDirectory(self):
desktop.open(unicode(self.settings.value("Download directory").toString()))
def stopDownload(self):
"""stopDownload(self)
Resets the user interface after a download operation.
"""
self.stopped = True
self.stopButton.setEnabled(False)
self.closeButton.setEnabled(True)
def reject(self):
"""reject(self)
Stops any current download operation and rejects the dialog in the
standard way.
"""
self.stopDownload()
QDialog.reject(self)
class InformationWindow(QWidget, Ui_InformationWindow):
releaseFieldColumns = (1, 4, 2, 3, 5, 6, 7, 8, 10, 11)
def __init__(self, parent = None):
QWidget.__init__(self, parent)
self.setupUi(self)
self.connect(self.textBrowser, SIGNAL("anchorClicked(const QUrl &)"),
self.openURL)
self.connect(self.closeAction, SIGNAL("triggered()"), self.close)
self.addAction(self.closeAction)
self.textCharFormat = QTextCharFormat()
self.textCharFormat.setFont(QFont())
self.textBlockFormat = QTextBlockFormat()
self.textBlockFormat.setAlignment(Qt.AlignJustify)
self.titleCharFormat = QTextCharFormat(self.textCharFormat)
self.titleCharFormat.setFontWeight(QFont.Bold)
self.titleCharFormat.setFontPointSize(self.titleCharFormat.fontPointSize()*2)
self.titleBlockFormat = QTextBlockFormat()
self.titleBlockFormat.setAlignment(Qt.AlignHCenter)
self.subtitleCharFormat = QTextCharFormat(self.titleCharFormat)
self.subtitleCharFormat.setFontPointSize(self.subtitleCharFormat.fontPointSize()*0.8)
self.tableHeaderFormat = QTextCharFormat(self.textCharFormat)
self.tableHeaderFormat.setFontWeight(QFont.Bold)
self.anchorCharFormat = QTextCharFormat(self.textCharFormat)
self.anchorCharFormat.setForeground(QBrush(Qt.blue))
self.anchorCharFormat.setFontUnderline(True)
self.releaseTableFormat = QTextTableFormat()
self.releaseTableFormat.setAlignment(Qt.AlignLeft)
self.releaseTableFormat.setBorder(0)
self.releaseTableFormat.setCellSpacing(0)
self.releaseTableFormat.setCellPadding(4)
self.releaseTableFormat.setColumnWidthConstraints(
[QTextLength(QTextLength.PercentageLength, 20),
QTextLength(QTextLength.PercentageLength, 80)])
self.markedReleaseFrameFormat = QTextFrameFormat()
self.markedReleaseFrameFormat.setBackground(QBrush(QColor(238,224,224)))
self.currentReleaseFrameFormat = QTextFrameFormat()
self.currentReleaseFrameFormat.setBackground(QBrush(QColor(224,224,238)))
self.currentReleaseFrameFormat.setBorder(1)
self.evenRowBlockFormat = QTextBlockFormat()
self.evenRowBlockFormat.setBackground(QBrush(QColor(238,238,238)))
self.oddRowBlockFormat = QTextBlockFormat()
self.oddRowBlockFormat.setBackground(QBrush(QColor(224,224,224)))
def closeEvent(self, event):
event.accept()
self.emit(SIGNAL("closed()"))
def openURL(self, url):
desktop.open(unicode(url.toString()))
self.textBrowser.setSource(QUrl())
def setPackageInfo(self, index, releaseIndex = None):
cursor = self.textBrowser.textCursor()
cursor.insertBlock(self.titleBlockFormat)
cursor.insertText(index.data().toString(), self.titleCharFormat)
self.setWindowTitle(self.tr("Information about %1").arg(index.data().toString()))
for row in range(index.model().rowCount(index)):
version = index.child(row, 0).data().toString()
cursor.insertBlock(self.textBlockFormat)
cursor.insertText(version, self.subtitleCharFormat)
topLevelCursor = QTextCursor(cursor)
checkState, valid = index.child(row, 0).data(Qt.CheckStateRole).toInt()
if valid and checkState == Qt.Checked:
frame = cursor.insertFrame(self.markedReleaseFrameFormat)
elif releaseIndex and releaseIndex.row() == row:
frame = cursor.insertFrame(self.currentReleaseFrameFormat)
else:
frame = cursor.insertFrame(QTextFrameFormat())
table = cursor.insertTable(len(self.releaseFieldColumns), 2,
self.releaseTableFormat)
tableRow = 0
rowFormats = [self.evenRowBlockFormat, self.oddRowBlockFormat]
for column in self.releaseFieldColumns:
#rowFormat = rowFormats[tableRow % 2]
fieldName = index.model().headerData(column, Qt.Horizontal, Qt.DisplayRole).toString()
cell = table.cellAt(tableRow, 0)
cursor = cell.firstCursorPosition()
#cursor.setBlockFormat(rowFormat)
cursor.insertText(fieldName, self.tableHeaderFormat)
fieldValue = index.child(row, column).data().toString()
cell = table.cellAt(tableRow, 1)
cursor = cell.firstCursorPosition()
#cursor.setBlockFormat(rowFormat)
cursor.insertText(fieldValue)
tableRow += 1
# Add home page and download information.
homePage = index.child(row, 9).data().toString()
homePageURL = index.child(row, 0).data(PackageModel.HomePageRole)
homePageHeader = index.model().headerData(9, Qt.Horizontal, Qt.DisplayRole).toString()
if homePageURL.isValid():
table.insertRows(table.rows(), 1)
cell = table.cellAt(table.rows()-1, 0)
cursor = cell.firstCursorPosition()
cursor.insertText(homePageHeader, self.tableHeaderFormat)
cell = table.cellAt(table.rows()-1, 1)
cursor = cell.firstCursorPosition()
anchorFormat = QTextCharFormat(self.anchorCharFormat)
anchorFormat.setAnchorHref(homePageURL.toString())
anchorFormat.setAnchor(True)
cursor.insertText(homePage, anchorFormat)
cursor = topLevelCursor
cursor.movePosition(QTextCursor.End)
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