Esempio n. 1
0
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        # check if apps are installed
        if self.checkapps():
            quit()

        #add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)
        #self.ui.recompress.hide()

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        QObject.connect(self.ui.addfiles, SIGNAL("clicked()"),
            self.file_dialog)
        QObject.connect(self.ui.recompress, SIGNAL("clicked()"),
            self.recompress_files)
        QObject.connect(self.quit_shortcut, SIGNAL("activated()"),
            qApp, SLOT('quit()'))
        QObject.connect(self.ui.processedfiles, SIGNAL("fileDropEvent"),
            self.file_drop)
        QObject.connect(self.thread, SIGNAL("finished()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("terminated()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("updateUi"), self.update_table)

        self.compressing_icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)
Esempio n. 2
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    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        if self.settings.value("geometry"):
            self.restoreGeometry(self.settings.value("geometry"))

        # check if dependencies are installed
        if not check_dependencies():
            quit()

        # add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                                           self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        self.ui.addfiles.clicked.connect(self.file_dialog)
        self.ui.recompress.clicked.connect(self.recompress_files)
        self.quit_shortcut.activated.connect(self.close)
        self.ui.processedfiles.drop_event_signal.connect(self.file_drop)
        self.thread.finished.connect(self.update_table)
        self.thread.update_ui_signal.connect(self.update_table)

        self.compressing_icon = QIcon(
            QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)
Esempio n. 3
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    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        if self.settings.value("geometry"):
            self.restoreGeometry(self.settings.value("geometry"))

        # check if dependencies are installed
        if not check_dependencies():
            quit()

        # add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        self.ui.addfiles.clicked.connect(self.file_dialog)
        self.ui.recompress.clicked.connect(self.recompress_files)
        self.quit_shortcut.activated.connect(self.close)
        self.ui.processedfiles.drop_event_signal.connect(self.file_drop)
        self.thread.finished.connect(self.update_table)
        self.thread.update_ui_signal.connect(self.update_table)

        self.compressing_icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)
Esempio n. 4
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class StartQT4(QMainWindow):

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        if QSystemTrayIcon.isSystemTrayAvailable():
            self.systemtray = Systray(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        # check if apps are installed
        if self.checkapps():
            quit()

        #add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)
        #self.ui.recompress.hide()

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        QObject.connect(self.ui.addfiles, SIGNAL("clicked()"),
            self.file_dialog)
        QObject.connect(self.ui.recompress, SIGNAL("clicked()"),
            self.recompress_files)
        QObject.connect(self.quit_shortcut, SIGNAL("activated()"),
            qApp, SLOT('quit()'))
        QObject.connect(self.ui.processedfiles, SIGNAL("fileDropEvent"),
            self.file_drop)
        QObject.connect(self.thread, SIGNAL("finished()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("terminated()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("updateUi"), self.update_table)

        # activate command line options
        self.commandline_options()

    def commandline_options(self):
        """Set up the command line options."""
        parser = OptionParser(version="%prog " + VERSION,
            description="GUI front-end to compress png and jpg images via "
                "optipng, advpng and jpegoptim")

        parser.set_defaults(verbose=True)
        parser.add_option("-v", "--verbose", action="store_true",
            dest="verbose", help="Verbose mode (default)")
        parser.add_option("-q", "--quiet", action="store_false",
            dest="verbose", help="Quiet mode")

        parser.add_option("-f", "--file", action="store", type="string",
            dest="filename", help="compresses image and exit")
        parser.add_option("-d", "--directory", action="store", type="string",
            dest="directory", help="compresses images in directory and exit")

        options, args = parser.parse_args()

        # make sure we quit after processing finished if using cli
        if options.filename or options.directory:
            QObject.connect(self.thread, SIGNAL("finished()"), quit)

        # send to correct function
        if options.filename:
            self.file_from_cmd(options.filename.decode("utf-8"))
        if options.directory:
            self.dir_from_cmd(options.directory.decode("utf-8"))

        self.verbose = options.verbose

    """
    Input functions
    """

    def dir_from_cmd(self, directory):
        """
        Read the files in the directory and send all files to compress_file.
        """
        self.showapp = False
        dirpath = path.abspath(directory)
        imagedir = listdir(directory)
        filelist = [path.join(dirpath, image) for image in imagedir]
        self.delegator(filelist)

    def file_from_cmd(self, image):
        """Get the file and send it to compress_file"""
        self.showapp = False
        filelist = [path.abspath(image)]
        self.delegator(filelist)

    def file_drop(self, images):
        """
        Get a file from the drag and drop handler and send it to compress_file.
        """
        self.delegator(images)

    def file_dialog(self):
        """Open a file dialog and send the selected images to compress_file."""
        fd = QFileDialog(self)
        fd.restoreState(self.settings.value("fdstate").toByteArray())
        directory = self.settings.value("directory", QVariant("")).toString()
        fd.setDirectory(directory)

        images = fd.getOpenFileNames(self,
            "Select one or more image files to compress",
            directory,
            # this is a fix for file dialog differentiating between cases
            "Image files (*.png *.jpg *.jpeg *.PNG *.JPG *.JPEG)")

        self.settings.setValue("fdstate", QVariant(fd.saveState()))
        if images:
          self.settings.setValue("directory", QVariant(path.dirname(unicode(images[0]))))
        self.delegator([unicode(fullpath) for fullpath in images])

    def recompress_files(self):
        """Send each file in the current file list to compress_file again."""
        self.delegator([row.image.fullpath for row in self.imagelist])

    """
    Compress functions
    """

    def delegator(self, images):
        """
        Recieve all images, check them and send them to the worker thread.
        """
        delegatorlist = []
        for fullpath in images:
            try: # recompress images already in the list
                image = (i.image for i in self.imagelist
                    if i.image.fullpath == fullpath).next()
                if image.compressed:
                    image.reset()
                    image.recompression = True
                    delegatorlist.append(image)
            except StopIteration:
                image = Image(fullpath)
                if image.valid:
                    delegatorlist.append(image)
                    icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))
                    self.imagelist.append(ImageRow(image, icon))
                else:
                    print >> sys.stderr, u"[error] %s not a supported image file" % image.fullpath

        self.update_table()
        self.systemtray.trayIcon.setToolTip("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
        self.setWindowTitle("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
        self.thread.compress_file(delegatorlist, self.showapp, self.verbose,
            self.imagelist)


    """
    UI Functions
    """

    def update_table(self):
        """Update the table view with the latest file data."""
        tview = self.ui.processedfiles
        # set table model
        tmodel = TriTableModel(self, self.imagelist,
            ["Filename", "Old Size", "New Size", "Compressed"])
        tview.setModel(tmodel)

        # set minimum size of table
        vh = tview.verticalHeader()
        vh.setVisible(False)

        # set horizontal header properties
        hh = tview.horizontalHeader()
        hh.setStretchLastSection(True)

        # set all row heights
        nrows = len(self.imagelist)
        for row in range(nrows):
            tview.setRowHeight(row, 25)

        # set the second column to be longest
        tview.setColumnWidth(0, 300)

        # enable recompress button
        self.enable_recompress()

    """
    Helper functions
    """

    def enable_recompress(self):
        """Enable the recompress button."""
        self.ui.recompress.setEnabled(True)
        self.systemtray.recompress.setEnabled(True)

    def checkapps(self):
        """Check if the required command line apps exist."""
        exe = ".exe" if (sys.platform == "win32") else ""
        status = False
        retcode = self.safe_call("jpegoptim" + exe + " --version")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install jpegoptim")

        retcode = self.safe_call("optipng" + exe + " -v")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install optipng")

        retcode = self.safe_call("advpng" + exe + " --version")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install advancecomp")
        return status

    def safe_call(self, command):
        """ cross-platform command-line check """
        while True:
            try:
                return call(command, shell=True, stdout=PIPE)
            except OSError, e:
                if e.errno == errno.EINTR:
                    continue
                else:
                    raise
Esempio n. 5
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class StartQt(QMainWindow):
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        if self.settings.value("geometry"):
            self.restoreGeometry(self.settings.value("geometry"))

        # check if dependencies are installed
        if not check_dependencies():
            quit()

        # add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                                           self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        self.ui.addfiles.clicked.connect(self.file_dialog)
        self.ui.recompress.clicked.connect(self.recompress_files)
        self.quit_shortcut.activated.connect(self.close)
        self.ui.processedfiles.drop_event_signal.connect(self.file_drop)
        self.thread.finished.connect(self.update_table)
        self.thread.update_ui_signal.connect(self.update_table)

        self.compressing_icon = QIcon(
            QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)

    def commandline_options(self):
        """Set up the command line options."""
        self.cli = False
        parser = OptionParser(
            version="%prog " + VERSION,
            description="GUI front-end to compress png and jpg images via "
            "advpng, jpegoptim, optipng and pngcrush")

        parser.set_defaults(verbose=True)
        parser.add_option("-v",
                          "--verbose",
                          action="store_true",
                          dest="verbose",
                          help="Verbose mode (default)")
        parser.add_option("-q",
                          "--quiet",
                          action="store_false",
                          dest="verbose",
                          help="Quiet mode")

        parser.add_option("-f",
                          "--file",
                          action="store",
                          type="string",
                          dest="filename",
                          help="compresses image and exit")
        parser.add_option("-d",
                          "--directory",
                          action="store",
                          type="string",
                          dest="directory",
                          help="compresses images in directory and exit")

        options, args = parser.parse_args()

        # make sure we quit after processing finished if using cli
        if options.filename or options.directory:
            self.thread.finished.connect(quit)
            self.cli = True

        # send to correct function
        if options.filename:
            self.file_from_cmd(options.filename)
        if options.directory:
            self.dir_from_cmd(options.directory)

        self.verbose = options.verbose

    """
    Input functions
    """

    def dir_from_cmd(self, directory):
        """
        Read the files in the directory and send all files to compress_file.
        """
        self.showapp = False
        dirpath = path.abspath(directory)
        imagedir = listdir(directory)
        filelist = [path.join(dirpath, image) for image in imagedir]
        self.delegator(filelist)

    def file_from_cmd(self, image):
        """Get the file and send it to compress_file"""
        self.showapp = False
        filelist = [path.abspath(image)]
        self.delegator(filelist)

    def file_drop(self, images):
        """
        Get a file from the drag and drop handler and send it to compress_file.
        """
        self.delegator(images)

    def file_dialog(self):
        """Open a file dialog and send the selected images to compress_file."""
        fd = QFileDialog(self)
        if (self.settings.value("fdstate")):
            fd.restoreState(self.settings.value("fdstate"))
        directory = self.settings.value("directory", QVariant(""))
        fd.setDirectory(directory)

        images, _ = fd.getOpenFileNames(
            self,
            "Select one or more image files to compress",
            directory,
            # this is a fix for file dialog differentiating between cases
            "Image files (*.png *.jpg *.jpeg *.PNG *.JPG *.JPEG)")

        self.settings.setValue("fdstate", QVariant(fd.saveState()))
        if images:
            self.settings.setValue("directory",
                                   QVariant(path.dirname(images[0])))
            self.delegator([fullpath for fullpath in images])

    def recompress_files(self):
        """Send each file in the current file list to compress_file again."""
        self.delegator([row.image.fullpath for row in self.imagelist])

    """
    Compress functions
    """

    def delegator(self, images):
        """
        Receive all images, check them and send them to the worker thread.
        """
        delegatorlist = []
        for fullpath in images:
            try:  # recompress images already in the list
                image = next(i.image for i in self.imagelist
                             if i.image.fullpath == fullpath)
                if image.compressed:
                    image.reset()
                    image.recompression = True
                    delegatorlist.append(image)
            except StopIteration:
                if not path.isdir(fullpath):
                    self.add_image(fullpath, delegatorlist)
                else:
                    self.walk(fullpath, delegatorlist)

        self.update_table()
        self.thread.compress_file(delegatorlist, self.showapp, self.verbose,
                                  self.imagelist)

    def walk(self, dir, delegatorlist):
        """
        Walks a directory, and executes a callback on each file.
        """
        dir = path.abspath(dir)
        for file in [
                file for file in listdir(dir) if
                not file in [".", "..", ".svn", ".git", ".hg", ".bzr", ".cvs"]
        ]:
            nfile = path.join(dir, file)

            if path.isdir(nfile):
                self.walk(nfile, delegatorlist)
            else:
                self.add_image(nfile, delegatorlist)

    def add_image(self, fullpath, delegatorlist):
        """
        Adds an image file to the delegator list and update the tray and the title of the window.
        """
        image = Image(fullpath)
        if image.valid:
            delegatorlist.append(image)
            self.imagelist.append(ImageRow(image, self.compressing_icon))
            if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
                self.systemtray.trayIcon.setToolTip(
                    "Trimage image compressor (" + str(len(self.imagelist)) +
                    " files)")
                self.setWindowTitle("Trimage image compressor (" +
                                    str(len(self.imagelist)) + " files)")
        else:
            print("[error] {} not a supported image file and/or not writable".
                  format(image.fullpath),
                  file=sys.stderr)

    """
    UI Functions
    """

    def update_table(self):
        """Update the table view with the latest file data."""
        tview = self.ui.processedfiles
        # set table model
        tmodel = TriTableModel(
            self, self.imagelist,
            ["Filename", "Old Size", "New Size", "Compressed"])
        tview.setModel(tmodel)

        # set minimum size of table
        vh = tview.verticalHeader()
        vh.setVisible(False)

        # set horizontal header properties
        hh = tview.horizontalHeader()
        hh.setStretchLastSection(True)

        # set all row heights
        nrows = len(self.imagelist)
        for row in range(nrows):
            tview.setRowHeight(row, 25)

        # set the second column to be longest
        tview.setColumnWidth(0, 300)

        # enable recompress button
        self.enable_recompress()

    def enable_recompress(self):
        """Enable the recompress button."""
        self.ui.recompress.setEnabled(True)
        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray.recompress.setEnabled(True)

    def hide_main_window(self):
        if self.isVisible():
            self.hide()
            if QSystemTrayIcon.isSystemTrayAvailable():
                self.systemtray.hideMain.setText("&Show window")
        else:
            self.show()
            if QSystemTrayIcon.isSystemTrayAvailable():
                self.systemtray.hideMain.setText("&Hide window")

    def closeEvent(self, event):
        self.settings.setValue("geometry", QVariant(self.saveGeometry()))
        event.accept()
Esempio n. 6
0
class StartQT4(QMainWindow):

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        # check if apps are installed
        if self.checkapps():
            quit()

        #add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)
        #self.ui.recompress.hide()

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        QObject.connect(self.ui.addfiles, SIGNAL("clicked()"),
            self.file_dialog)
        QObject.connect(self.ui.recompress, SIGNAL("clicked()"),
            self.recompress_files)
        QObject.connect(self.quit_shortcut, SIGNAL("activated()"),
            qApp, SLOT('quit()'))
        QObject.connect(self.ui.processedfiles, SIGNAL("fileDropEvent"),
            self.file_drop)
        QObject.connect(self.thread, SIGNAL("finished()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("terminated()"), self.update_table)
        QObject.connect(self.thread, SIGNAL("updateUi"), self.update_table)

        self.compressing_icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)

    def commandline_options(self):
        self.cli = False
        """Set up the command line options."""
        parser = OptionParser(version="%prog " + VERSION,
            description="GUI front-end to compress png and jpg images via "
                "optipng, advpng and jpegoptim")

        parser.set_defaults(verbose=True)
        parser.add_option("-v", "--verbose", action="store_true",
            dest="verbose", help="Verbose mode (default)")
        parser.add_option("-q", "--quiet", action="store_false",
            dest="verbose", help="Quiet mode")

        parser.add_option("-f", "--file", action="store", type="string",
            dest="filename", help="compresses image and exit")
        parser.add_option("-d", "--directory", action="store", type="string",
            dest="directory", help="compresses images in directory and exit")

        options, args = parser.parse_args()

        # make sure we quit after processing finished if using cli
        if options.filename or options.directory:
            QObject.connect(self.thread, SIGNAL("finished()"), quit)
            self.cli = True

        # send to correct function
        if options.filename:
            self.file_from_cmd(options.filename.decode("utf-8"))
        if options.directory:
            self.dir_from_cmd(options.directory.decode("utf-8"))

        self.verbose = options.verbose

    """
    Input functions
    """

    def dir_from_cmd(self, directory):
        """
        Read the files in the directory and send all files to compress_file.
        """
        self.showapp = False
        dirpath = path.abspath(directory)
        imagedir = listdir(directory)
        filelist = [path.join(dirpath, image) for image in imagedir]
        self.delegator(filelist)

    def file_from_cmd(self, image):
        """Get the file and send it to compress_file"""
        self.showapp = False
        filelist = [path.abspath(image)]
        self.delegator(filelist)

    def file_drop(self, images):
        """
        Get a file from the drag and drop handler and send it to compress_file.
        """
        self.delegator(images)

    def file_dialog(self):
        """Open a file dialog and send the selected images to compress_file."""
        fd = QFileDialog(self)
        fd.restoreState(self.settings.value("fdstate").toByteArray())
        directory = self.settings.value("directory", QVariant("")).toString()
        fd.setDirectory(directory)

        images = fd.getOpenFileNames(self,
            "Select one or more image files to compress",
            directory,
            # this is a fix for file dialog differentiating between cases
            "Image files (*.png *.jpg *.jpeg *.PNG *.JPG *.JPEG)")

        self.settings.setValue("fdstate", QVariant(fd.saveState()))
        if images:
          self.settings.setValue("directory", QVariant(path.dirname(unicode(images[0]))))
        self.delegator([unicode(fullpath) for fullpath in images])

    def recompress_files(self):
        """Send each file in the current file list to compress_file again."""
        self.delegator([row.image.fullpath for row in self.imagelist])

    """
    Compress functions
    """

    def delegator(self, images):
        """
        Receive all images, check them and send them to the worker thread.
        """
        delegatorlist = []
        for fullpath in images:
            try: # recompress images already in the list
                image = (i.image for i in self.imagelist
                    if i.image.fullpath == fullpath).next()
                if image.compressed:
                    image.reset()
                    image.recompression = True
                    delegatorlist.append(image)
            except StopIteration:
            	if not path.isdir(fullpath):
                    self. add_image(fullpath, delegatorlist)
                else:
                    self.walk(fullpath, delegatorlist)

        self.update_table()
        self.thread.compress_file(delegatorlist, self.showapp, self.verbose,
            self.imagelist)

    def walk(self, dir, delegatorlist):
        """
        Walks a directory, and executes a callback on each file
        """
        dir = path.abspath(dir)
        for file in [file for file in listdir(dir) if not file in [".","..",".svn",".git",".hg",".bzr",".cvs"]]:
            nfile = path.join(dir, file)

            if path.isdir(nfile):
                self.walk(nfile, delegatorlist)
            else:
                self.add_image(nfile, delegatorlist)

    def add_image(self, fullpath, delegatorlist):
        """
        Adds an image file to the delegator list and update the tray and the title of the window
        """
        image = Image(fullpath)
        if image.valid:
            delegatorlist.append(image)
            self.imagelist.append(ImageRow(image, self.compressing_icon))
            if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
                self.systemtray.trayIcon.setToolTip("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
                self.setWindowTitle("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
        else:
            print >> sys.stderr, u"[error] %s not a supported image file and/or not writeable" % image.fullpath

    """
    UI Functions
    """

    def update_table(self):
        """Update the table view with the latest file data."""
        tview = self.ui.processedfiles
        # set table model
        tmodel = TriTableModel(self, self.imagelist,
            ["Filename", "Old Size", "New Size", "Compressed"])
        tview.setModel(tmodel)

        # set minimum size of table
        vh = tview.verticalHeader()
        vh.setVisible(False)

        # set horizontal header properties
        hh = tview.horizontalHeader()
        hh.setStretchLastSection(True)

        # set all row heights
        nrows = len(self.imagelist)
        for row in range(nrows):
            tview.setRowHeight(row, 25)

        # set the second column to be longest
        tview.setColumnWidth(0, 300)

        # enable recompress button
        self.enable_recompress()

    """
    Helper functions
    """

    def enable_recompress(self):
        """Enable the recompress button."""
        self.ui.recompress.setEnabled(True)
        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray.recompress.setEnabled(True)

    def checkapps(self):
        """Check if the required command line apps exist."""
        exe = ".exe" if (sys.platform == "win32") else ""
        status = False
        retcode = self.safe_call("jpegoptim" + exe + " --version")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install jpegoptim")

        retcode = self.safe_call("optipng" + exe + " -v")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install optipng")

        retcode = self.safe_call("advpng" + exe + " --version")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install advancecomp")

        retcode = self.safe_call("pngcrush" + exe + " -version")
        if retcode != 0:
            status = True
            sys.stderr.write("[error] please install pngcrush")
        return status

    def safe_call(self, command):
        """ cross-platform command-line check """
        while True:
            try:
                return call(command, shell=True, stdout=PIPE)
            except OSError, e:
                if e.errno == errno.EINTR:
                    continue
                else:
                    raise
Esempio n. 7
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class StartQt(QMainWindow):
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_trimage()
        self.ui.setupUi(self)

        self.showapp = True
        self.verbose = True
        self.imagelist = []

        QCoreApplication.setOrganizationName("Kilian Valkhof")
        QCoreApplication.setOrganizationDomain("trimage.org")
        QCoreApplication.setApplicationName("Trimage")
        self.settings = QSettings()
        if self.settings.value("geometry"):
            self.restoreGeometry(self.settings.value("geometry"))

        # check if dependencies are installed
        if not check_dependencies():
            quit()

        # add quit shortcut
        if hasattr(QKeySequence, "Quit"):
            self.quit_shortcut = QShortcut(QKeySequence(QKeySequence.Quit),
                self)
        else:
            self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)

        # disable recompress
        self.ui.recompress.setEnabled(False)

        # make a worker thread
        self.thread = Worker()

        # connect signals with slots
        self.ui.addfiles.clicked.connect(self.file_dialog)
        self.ui.recompress.clicked.connect(self.recompress_files)
        self.quit_shortcut.activated.connect(self.close)
        self.ui.processedfiles.drop_event_signal.connect(self.file_drop)
        self.thread.finished.connect(self.update_table)
        self.thread.update_ui_signal.connect(self.update_table)

        self.compressing_icon = QIcon(QPixmap(self.ui.get_image("pixmaps/compressing.gif")))

        # activate command line options
        self.commandline_options()

        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray = Systray(self)

    def commandline_options(self):
        """Set up the command line options."""
        self.cli = False
        parser = OptionParser(version="%prog " + VERSION,
            description="GUI front-end to compress png and jpg images via "
                "advpng, jpegoptim, optipng and pngcrush")

        parser.set_defaults(verbose=True)
        parser.add_option("-v", "--verbose", action="store_true",
            dest="verbose", help="Verbose mode (default)")
        parser.add_option("-q", "--quiet", action="store_false",
            dest="verbose", help="Quiet mode")

        parser.add_option("-f", "--file", action="store", type="string",
            dest="filename", help="compresses image and exit")
        parser.add_option("-d", "--directory", action="store", type="string",
            dest="directory", help="compresses images in directory and exit")

        options, args = parser.parse_args()

        # make sure we quit after processing finished if using cli
        if options.filename or options.directory:
            self.thread.finished.connect(quit)
            self.cli = True

        # send to correct function
        if options.filename:
            self.file_from_cmd(options.filename)
        if options.directory:
            self.dir_from_cmd(options.directory)

        self.verbose = options.verbose

    """
    Input functions
    """

    def dir_from_cmd(self, directory):
        """
        Read the files in the directory and send all files to compress_file.
        """
        self.showapp = False
        dirpath = path.abspath(directory)
        imagedir = listdir(directory)
        filelist = [path.join(dirpath, image) for image in imagedir]
        self.delegator(filelist)

    def file_from_cmd(self, image):
        """Get the file and send it to compress_file"""
        self.showapp = False
        filelist = [path.abspath(image)]
        self.delegator(filelist)

    def file_drop(self, images):
        """
        Get a file from the drag and drop handler and send it to compress_file.
        """
        self.delegator(images)

    def file_dialog(self):
        """Open a file dialog and send the selected images to compress_file."""
        fd = QFileDialog(self)
        if (self.settings.value("fdstate")):
            fd.restoreState(self.settings.value("fdstate"))
        directory = self.settings.value("directory", QVariant(""))
        fd.setDirectory(directory)

        images, _ = fd.getOpenFileNames(self,
            "Select one or more image files to compress",
            directory,
            # this is a fix for file dialog differentiating between cases
            "Image files (*.png *.jpg *.jpeg *.PNG *.JPG *.JPEG)")

        self.settings.setValue("fdstate", QVariant(fd.saveState()))
        if images:
            self.settings.setValue("directory", QVariant(path.dirname(images[0])))
            self.delegator([fullpath for fullpath in images])

    def recompress_files(self):
        """Send each file in the current file list to compress_file again."""
        self.delegator([row.image.fullpath for row in self.imagelist])

    """
    Compress functions
    """

    def delegator(self, images):
        """
        Receive all images, check them and send them to the worker thread.
        """
        delegatorlist = []
        for fullpath in images:
            try: # recompress images already in the list
                image = next(i.image for i in self.imagelist
                    if i.image.fullpath == fullpath)
                if image.compressed:
                    image.reset()
                    image.recompression = True
                    delegatorlist.append(image)
            except StopIteration:
                if not path.isdir(fullpath):
                    self.add_image(fullpath, delegatorlist)
                else:
                    self.walk(fullpath, delegatorlist)

        self.update_table()
        self.thread.compress_file(delegatorlist, self.showapp, self.verbose,
            self.imagelist)

    def walk(self, dir, delegatorlist):
        """
        Walks a directory, and executes a callback on each file.
        """
        dir = path.abspath(dir)
        for file in [file for file in listdir(dir) if not file in [".","..",".svn",".git",".hg",".bzr",".cvs"]]:
            nfile = path.join(dir, file)

            if path.isdir(nfile):
                self.walk(nfile, delegatorlist)
            else:
                self.add_image(nfile, delegatorlist)

    def add_image(self, fullpath, delegatorlist):
        """
        Adds an image file to the delegator list and update the tray and the title of the window.
        """
        image = Image(fullpath)
        if image.valid:
            delegatorlist.append(image)
            self.imagelist.append(ImageRow(image, self.compressing_icon))
            if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
                self.systemtray.trayIcon.setToolTip("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
                self.setWindowTitle("Trimage image compressor (" + str(len(self.imagelist)) + " files)")
        else:
            print("[error] {} not a supported image file and/or not writable".format(image.fullpath), file=sys.stderr)

    """
    UI Functions
    """

    def update_table(self):
        """Update the table view with the latest file data."""
        tview = self.ui.processedfiles
        # set table model
        tmodel = TriTableModel(self, self.imagelist,
            ["Filename", "Old Size", "New Size", "Compressed"])
        tview.setModel(tmodel)

        # set minimum size of table
        vh = tview.verticalHeader()
        vh.setVisible(False)

        # set horizontal header properties
        hh = tview.horizontalHeader()
        hh.setStretchLastSection(True)

        # set all row heights
        nrows = len(self.imagelist)
        for row in range(nrows):
            tview.setRowHeight(row, 25)

        # set the second column to be longest
        tview.setColumnWidth(0, 300)

        # enable recompress button
        self.enable_recompress()

    def enable_recompress(self):
        """Enable the recompress button."""
        self.ui.recompress.setEnabled(True)
        if QSystemTrayIcon.isSystemTrayAvailable() and not self.cli:
            self.systemtray.recompress.setEnabled(True)

    def hide_main_window(self):
        if self.isVisible():
            self.hide()
            if QSystemTrayIcon.isSystemTrayAvailable():
                self.systemtray.hideMain.setText("&Show window")
        else:
            self.show()
            if QSystemTrayIcon.isSystemTrayAvailable():
                self.systemtray.hideMain.setText("&Hide window")

    def closeEvent(self, event):
      self.settings.setValue("geometry", QVariant(self.saveGeometry()))
      event.accept()