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Python QtWidgets.QFileDialog类代码示例

本文整理汇总了Python中AnyQt.QtWidgets.QFileDialog的典型用法代码示例。如果您正苦于以下问题:Python QFileDialog类的具体用法?Python QFileDialog怎么用?Python QFileDialog使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了QFileDialog类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: get_save_filename

        def get_save_filename(self):  # pragma: no cover
            if sys.platform == "darwin":
                def remove_star(filt):
                    return filt.replace(" (*.", " (.")
            else:
                def remove_star(filt):
                    return filt

            no_ext_filters = {remove_star(f): f for f in self._valid_filters()}
            filename = self._initial_start_dir()
            while True:
                dlg = QFileDialog(
                    None, "Save File", filename, ";;".join(no_ext_filters))
                dlg.setAcceptMode(dlg.AcceptSave)
                dlg.selectNameFilter(remove_star(self._default_valid_filter()))
                dlg.setOption(QFileDialog.DontConfirmOverwrite)
                if dlg.exec() == QFileDialog.Rejected:
                    return "", ""
                filename = dlg.selectedFiles()[0]
                selected_filter = no_ext_filters[dlg.selectedNameFilter()]
                filename = self._replace_extension(
                    filename, self._extension_from_filter(selected_filter))
                if not os.path.exists(filename) or QMessageBox.question(
                        self, "Overwrite file?",
                        f"File {os.path.split(filename)[1]} already exists.\n"
                        "Overwrite?") == QMessageBox.Yes:
                    return filename, selected_filter
开发者ID:ales-erjavec,项目名称:orange3,代码行数:27,代码来源:owsave.py

示例2: save_image_as

    def save_image_as(self):
        img = self.get_selection().toImage()
        if img.isNull():
            QMessageBox.critical(self, self.tr('Error'), self.tr('No image was selected!'))
            return

        self.hide()

        formats = {
            self.tr('Portable Network Graphics (*.png)'): 'png',
            self.tr('Joint Photographic Experts Group (*.jpg *.jpeg)'): 'jpg',
            self.tr('Graphics Interchange Format (*.gif)'): 'gif',
            self.tr('Bitmap (*.bmp)'): 'bmp',
            self.tr('All Images (*.png *.jpg *.gif *.bmp)'): 'all'
        }

        file_format = None
        destination = QFileDialog.getSaveFileName(self, 'Save image', '', ';;'.join(formats.keys()))
        if isinstance(destination, tuple):
            destination, file_format = destination
            file_format = formats[file_format]
            if file_format == 'all':
                file_format = None

        if not file_format:
            file_format = destination.rsplit('.', 1)[-1]

        if destination:
            if file_format not in formats.values():
                file_format = 'png'
            if not destination.endswith('.' + file_format):
                destination += '.' + file_format
            img.save(destination, file_format, 0 if file_format == 'png' else 90)
        self.reject()
开发者ID:rokups,项目名称:paste2box,代码行数:34,代码来源:screenshot.py

示例3: main

def main(argv=sys.argv):
    if len(argv) == 1:
        filename = None
    else:
        if argv[1] in ["-h", "--help"]:
            usage(argv)
            return 0
        else:
            filename = argv[1]
    
    app = QApplication(argv)
    app.setAttribute(Qt.AA_EnableHighDpiScaling)
    app.setAttribute(Qt.AA_UseHighDpiPixmaps)
    if filename is None:
        filename, _ = QFileDialog.getOpenFileName(
            None, "Image file", os.path.expanduser("~/Documents"),
            "Image (*.png)")
        if not filename:
            return 1
        print(filename)

    form = MainForm(filename=filename)
    rect = QApplication.desktop().availableGeometry()
    form.show()
    form.raise_()
    return app.exec_()
开发者ID:biolab,项目名称:orange-tools,代码行数:26,代码来源:stamper.py

示例4: save_report

    def save_report(self):
        """Save report"""
        filename, _ = QFileDialog.getSaveFileName(
            self, "Save Report", self.save_dir,
            "HTML (*.html);;PDF (*.pdf);;Report (*.report)")
        if not filename:
            return QDialog.Rejected

        self.save_dir = os.path.dirname(filename)
        self.saveSettings()
        _, extension = os.path.splitext(filename)
        if extension == ".pdf":
            printer = QPrinter()
            printer.setPageSize(QPrinter.A4)
            printer.setOutputFormat(QPrinter.PdfFormat)
            printer.setOutputFileName(filename)
            self.report_view.print_(printer)
        elif extension == ".report":
            self.save(filename)
        else:
            def save_html(contents):
                try:
                    with open(filename, "w", encoding="utf-8") as f:
                        f.write(contents)
                except PermissionError:
                    self.permission_error(filename)

            save_html(self.report_view.html())
        self.report_changed = False
        return QDialog.Accepted
开发者ID:benzei,项目名称:orange3,代码行数:30,代码来源:owreport.py

示例5: open_report

    def open_report(self):
        filename, _ = QFileDialog.getOpenFileName(
            self, "Open Report", self.open_dir, "Report (*.report)")
        if not filename:
            return

        self.report_changed = False
        self.open_dir = os.path.dirname(filename)
        self.saveSettings()

        try:
            report = self.load(filename)
        except (IOError, AttributeError, pickle.UnpicklingError) as e:
            message_critical(
                 self.tr("Could not load an Orange Report file"),
                 title=self.tr("Error"),
                 informative_text=self.tr("Error occurred "
                                          "while loading '{}'.").format(filename),
                 exc_info=True,
                 parent=self)
            log.error(str(e), exc_info=True)
            return
        self.set_instance(report)
        self = report
        self._build_html()
        self.table.selectRow(0)
        self.show()
        self.raise_()
开发者ID:benzei,项目名称:orange3,代码行数:28,代码来源:owreport.py

示例6: saveScript

    def saveScript(self):
        index = self.selectedScriptIndex()
        if index is not None:
            script = self.libraryList[index]
            filename = script.filename
        else:
            filename = os.path.expanduser("~/")

        filename, _ = QFileDialog.getSaveFileName(
            self, 'Save Python Script',
            filename,
            'Python files (*.py)\nAll files(*.*)'
        )

        if filename:
            fn = ""
            head, tail = os.path.splitext(filename)
            if not tail:
                fn = head + ".py"
            else:
                fn = filename

            f = open(fn, 'w')
            f.write(self.text.toPlainText())
            f.close()
开发者ID:acopar,项目名称:orange3,代码行数:25,代码来源:owpythonscript.py

示例7: save_project

    def save_project(self, project_path=None):
        try:
            if project_path is None:
                project_path = QFileDialog.getExistingDirectory(self, "Select the project directory")

            if project_path is not None and str(project_path)!='':
                project_path = str(project_path)
                self.save({}, project_path)
        except Exception as e:
            QMessageBox.critical(self, "Error", str(e))
开发者ID:UmSenhorQualquer,项目名称:pythonVideoAnnotator,代码行数:10,代码来源:base_module.py

示例8: save_file_as

 def save_file_as(self):
     file_name = self.filename or self.last_dir or os.path.expanduser("~")
     filename, _ = QFileDialog.getSaveFileName(
         self, "Select file", file_name, 'Distance files (*.dst)')
     if not filename:
         return
     self.filename = filename
     self.unconditional_save_file()
     self.last_dir = os.path.split(self.filename)[0]
     self.adjust_label()
开发者ID:PrimozGodec,项目名称:orange3,代码行数:10,代码来源:owsavedistances.py

示例9: onAddScriptFromFile

 def onAddScriptFromFile(self, *args):
     filename, _ = QFileDialog.getOpenFileName(
         self, 'Open Python Script',
         os.path.expanduser("~/"),
         'Python files (*.py)\nAll files(*.*)'
     )
     if filename:
         name = os.path.basename(filename)
         contents = open(filename, "rb").read().decode("utf-8", errors="ignore")
         self.libraryList.append(Script(name, contents, 0, filename))
         self.setSelectedScript(len(self.libraryList) - 1)
开发者ID:rekonder,项目名称:orange3,代码行数:11,代码来源:owpythonscript.py

示例10: browse

    def browse(self):
        """Select a filename using an open file dialog."""
        if self.filename is None:
            startdir = stdpaths.Documents
        else:
            startdir = os.path.dirname(self.filename)

        filename, _ = QFileDialog.getOpenFileName(
            self, self.tr("Open"), directory=startdir, filter=self.FILTER)

        if filename:
            self.load(filename)
开发者ID:PrimozGodec,项目名称:orange3,代码行数:12,代码来源:owloadmodel.py

示例11: onAddScriptFromFile

 def onAddScriptFromFile(self, *args):
     filename, _ = QFileDialog.getOpenFileName(
         self, 'Open Python Script',
         os.path.expanduser("~/"),
         'Python files (*.py)\nAll files(*.*)'
     )
     if filename:
         name = os.path.basename(filename)
         # TODO: use `tokenize.detect_encoding`
         with open(filename, encoding="utf-8") as f:
             contents = f.read()
         self.libraryList.append(Script(name, contents, 0, filename))
         self.setSelectedScript(len(self.libraryList) - 1)
开发者ID:acopar,项目名称:orange3,代码行数:13,代码来源:owpythonscript.py

示例12: browse_file

 def browse_file(self):
     """
     Open the file dialog and open the chosen file.
     """
     start_path = self.last_path() or os.path.expanduser("~")
     filename, _ = QFileDialog.getOpenFileName(
         None, "Open File", start_path, 'All Files (*.*)')
     if not filename:
         return
     self.closeContext()
     self.add_path(filename)
     self.openContext(filename)
     self.open_file()
开发者ID:pavlin-policar,项目名称:orange3-prototypes,代码行数:13,代码来源:owgrep.py

示例13: get_file_name

def get_file_name(start_dir, start_filter, file_formats):
    """
    Get filename for the given possible file formats

    The function uses the standard save file dialog with filters from the
    given file formats. Extension is added automatically, if missing. If the
    user enters file extension that does not match the file format, (s)he is
    given a dialog to decide whether to fix the extension or the format.

    Function also returns the writer and filter to cover the case where the
    same extension appears in multiple filters. Although `file_format` is a
    dictionary that associates its extension with one writer, writers can
    still have other extensions that are allowed.

    Args:
        start_dir (str): initial directory, optionally including the filename
        start_filter (str): initial filter
        file_formats (dict {extension: Orange.data.io.FileFormat}): file formats
    Returns:
        (filename, writer, filter), or `(None, None, None)` on cancel
    """
    writers = sorted(set(file_formats.values()), key=lambda w: w.PRIORITY)
    filters = [format_filter(w) for w in writers]
    if start_filter not in filters:
        start_filter = filters[0]

    while True:
        filename, filter = QFileDialog.getSaveFileName(
            None, 'Save As...', start_dir, ';;'.join(filters), start_filter)
        if not filename:
            return None, None, None

        writer = writers[filters.index(filter)]
        base, ext = os.path.splitext(filename)
        if not ext:
            filename += writer.EXTENSIONS[0]
        elif ext not in writer.EXTENSIONS:
            format = writer.DESCRIPTION
            suggested_ext = writer.EXTENSIONS[0]
            suggested_format = \
                ext in file_formats and file_formats[ext].DESCRIPTION
            res = fix_extension(ext, format, suggested_ext, suggested_format)
            if res == fix_extension.CANCEL:
                continue
            if res == fix_extension.CHANGE_EXT:
                filename = base + suggested_ext
            elif res == fix_extension.CHANGE_FORMAT:
                writer = file_formats[ext]
                filter = format_filter(writer)
        return filename, writer, filter
开发者ID:kernc,项目名称:orange3,代码行数:50,代码来源:filedialogs.py

示例14: browse_file

    def browse_file(self, in_demos=False):
        if in_demos:
            start_file = get_sample_datasets_dir()
            if not os.path.exists(start_file):
                QMessageBox.information(
                    None, "File",
                    "Cannot find the directory with documentation data sets")
                return
        else:
            start_file = self.last_path() or os.path.expanduser("~/")

        filename, _ = QFileDialog.getOpenFileName(
            self, 'Open Distance File', start_file, "(*.dst)")
        if not filename:
            return
        self.add_path(filename)
        self.open_file()
开发者ID:RachitKansal,项目名称:orange3,代码行数:17,代码来源:owdistancefile.py

示例15: browse_file

    def browse_file(self, in_demos=False):
        if in_demos:
            start_file = get_sample_datasets_dir()
            if not os.path.exists(start_file):
                QMessageBox.information(
                    None, "File",
                    "Cannot find the directory with documentation data sets")
                return
        else:
            start_file = self.last_path() or os.path.expanduser("~/")

        filename, _ = QFileDialog.getOpenFileName(
            self, 'Open Orange Data File', start_file, dialog_formats())
        if not filename:
            return
        self.add_path(filename)
        self.source = self.LOCAL_FILE
        self.load_data()
开发者ID:benzei,项目名称:orange3,代码行数:18,代码来源:owfile.py


注:本文中的AnyQt.QtWidgets.QFileDialog类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。