示例#1
0
文件: compat.py 项目: gyenney/Tools
def _qfiledialog_wrapper(attr, parent=None, caption='', basedir='',
                         filters='', selectedfilter='', options=None):
    if options is None:
        options = QFileDialog.Options(0)
    try:
        # PyQt <v4.6 (API #1)
        from spyderlib.qt.QtCore import QString
    except ImportError:
        # PySide or PyQt >=v4.6
        QString = None  # analysis:ignore
    tuple_returned = True
    try:
        # PyQt >=v4.6
        func = getattr(QFileDialog, attr+'AndFilter')
    except AttributeError:
        # PySide or PyQt <v4.6
        func = getattr(QFileDialog, attr)
        if QString is not None:
            selectedfilter = QString()
            tuple_returned = False
    
    # Calling QFileDialog static method
    if sys.platform == "win32":
        # On Windows platforms: redirect standard outputs
        _temp1, _temp2 = sys.stdout, sys.stderr
        sys.stdout, sys.stderr = None, None
    try:
        result = func(parent, caption, basedir,
                      filters, selectedfilter, options)
    except TypeError:
        # The selectedfilter option (`initialFilter` in Qt) has only been 
        # introduced in Jan. 2010 for PyQt v4.7, that's why we handle here 
        # the TypeError exception which will be raised with PyQt v4.6
        # (see Issue 960 for more details)
        result = func(parent, caption, basedir, filters, options)
    finally:
        if sys.platform == "win32":
            # On Windows platforms: restore standard outputs
            sys.stdout, sys.stderr = _temp1, _temp2
            
    # Processing output
    if tuple_returned:
        # PySide or PyQt >=v4.6
        output, selectedfilter = result
    else:
        # PyQt <v4.6 (API #1)
        output = result
    if QString is not None:
        # PyQt API #1: conversions needed from QString/QStringList
        selectedfilter = to_text_string(selectedfilter)
        if isinstance(output, QString):
            # Single filename
            output = to_text_string(output)
        else:
            # List of filenames
            output = [to_text_string(fname) for fname in output]
            
    # Always returns the tuple (output, selectedfilter)
    return output, selectedfilter
示例#2
0
文件: compat.py 项目: gyenney/Tools
def getexistingdirectory(parent=None, caption='', basedir='',
                         options=QFileDialog.ShowDirsOnly):
    """Wrapper around QtGui.QFileDialog.getExistingDirectory static method
    Compatible with PyQt >=v4.4 (API #1 and #2) and PySide >=v1.0"""
    # Calling QFileDialog static method
    if sys.platform == "win32":
        # On Windows platforms: redirect standard outputs
        _temp1, _temp2 = sys.stdout, sys.stderr
        sys.stdout, sys.stderr = None, None
    try:
        result = QFileDialog.getExistingDirectory(parent, caption, basedir,
                                                  options)
    finally:
        if sys.platform == "win32":
            # On Windows platforms: restore standard outputs
            sys.stdout, sys.stderr = _temp1, _temp2
    if not is_text_string(result):
        # PyQt API #1
        result = to_text_string(result)
    return result
示例#3
0
文件: compat.py 项目: gyenney/Tools
def getexistingdirectory(parent=None,
                         caption='',
                         basedir='',
                         options=QFileDialog.ShowDirsOnly):
    """Wrapper around QtGui.QFileDialog.getExistingDirectory static method
    Compatible with PyQt >=v4.4 (API #1 and #2) and PySide >=v1.0"""
    # Calling QFileDialog static method
    if sys.platform == "win32":
        # On Windows platforms: redirect standard outputs
        _temp1, _temp2 = sys.stdout, sys.stderr
        sys.stdout, sys.stderr = None, None
    try:
        result = QFileDialog.getExistingDirectory(parent, caption, basedir,
                                                  options)
    finally:
        if sys.platform == "win32":
            # On Windows platforms: restore standard outputs
            sys.stdout, sys.stderr = _temp1, _temp2
    if not is_text_string(result):
        # PyQt API #1
        result = to_text_string(result)
    return result
示例#4
0
文件: compat.py 项目: gyenney/Tools
def _qfiledialog_wrapper(attr,
                         parent=None,
                         caption='',
                         basedir='',
                         filters='',
                         selectedfilter='',
                         options=None):
    if options is None:
        options = QFileDialog.Options(0)
    try:
        # PyQt <v4.6 (API #1)
        from spyderlib.qt.QtCore import QString
    except ImportError:
        # PySide or PyQt >=v4.6
        QString = None  # analysis:ignore
    tuple_returned = True
    try:
        # PyQt >=v4.6
        func = getattr(QFileDialog, attr + 'AndFilter')
    except AttributeError:
        # PySide or PyQt <v4.6
        func = getattr(QFileDialog, attr)
        if QString is not None:
            selectedfilter = QString()
            tuple_returned = False

    # Calling QFileDialog static method
    if sys.platform == "win32":
        # On Windows platforms: redirect standard outputs
        _temp1, _temp2 = sys.stdout, sys.stderr
        sys.stdout, sys.stderr = None, None
    try:
        result = func(parent, caption, basedir, filters, selectedfilter,
                      options)
    except TypeError:
        # The selectedfilter option (`initialFilter` in Qt) has only been
        # introduced in Jan. 2010 for PyQt v4.7, that's why we handle here
        # the TypeError exception which will be raised with PyQt v4.6
        # (see Issue 960 for more details)
        result = func(parent, caption, basedir, filters, options)
    finally:
        if sys.platform == "win32":
            # On Windows platforms: restore standard outputs
            sys.stdout, sys.stderr = _temp1, _temp2

    # Processing output
    if tuple_returned:
        # PySide or PyQt >=v4.6
        output, selectedfilter = result
    else:
        # PyQt <v4.6 (API #1)
        output = result
    if QString is not None:
        # PyQt API #1: conversions needed from QString/QStringList
        selectedfilter = to_text_string(selectedfilter)
        if isinstance(output, QString):
            # Single filename
            output = to_text_string(output)
        else:
            # List of filenames
            output = [to_text_string(fname) for fname in output]

    # Always returns the tuple (output, selectedfilter)
    return output, selectedfilter