Python QFileInfo.dir方法代码示例

# 需要导入模块: from PyQt5.QtCore import QFileInfo [as 别名]
# 或者: from PyQt5.QtCore.QFileInfo import dir [as 别名]
 def restoreDir(self):
     "用户点击了“默认运行目录”按钮。"
     path = self.txtPath.text().strip()
     fi = QFileInfo(path)
     if path == "" or not fi.exists():
         return
     self.txtDir.setText(fi.dir().absolutePath())

# 需要导入模块: from PyQt5.QtCore import QFileInfo [as 别名]
# 或者: from PyQt5.QtCore.QFileInfo import dir [as 别名]
 def browsePath(self):
     """用户点击了浏览路径的按钮。如果成功设置了路径，就返回True，如果用户取消了操作或者出错，就返回False
     返回的用途参见showEvent()"""
     filename, selectedFilter = QFileDialog.getOpenFileName(self, self.windowTitle())
     if not filename:
         return False
     fi = QFileInfo(filename)
     if fi.isSymLink():
         filename = fi.symLinkTarget()
         if not os.path.exists(filename):
             QMessageBox.information(self, self.windowTitle(), self.tr("快捷方式所指向的程序不正确。"))
             return False
     fi = QFileInfo(filename)
     self.txtName.setText(fi.baseName())
     self.txtPath.setText(fi.absoluteFilePath())
     self.setFileIcon(fi.absoluteFilePath())
     self.txtDir.setText(fi.dir().absolutePath())
     return True

# 需要导入模块: from PyQt5.QtCore import QFileInfo [as 别名]
# 或者: from PyQt5.QtCore.QFileInfo import dir [as 别名]
class Project(QObject):
    """ The encapsulation of a project. """

    # The minimum supported project version.  At the moment a project will be
    # automatically updated to the current version when saved.
    min_version = 4

    # The current project version.
    version = 6

    # Emitted when the modification state of the project changes.
    modified_changed = pyqtSignal(bool)

    @property
    def modified(self):
        """ The modified property getter. """

        return self._modified

    @modified.setter
    def modified(self, value):
        """ The modified property setter. """

        if self._modified != value:
            self._modified = value
            self.modified_changed.emit(value)

    # Emitted when the name of the project changes.
    name_changed = pyqtSignal(str)

    @property
    def name(self):
        """ The name property getter. """

        # Use absoluteFilePath() because the file might not exist.
        return self._name.absoluteFilePath() if self._name is not None else ''

    @name.setter
    def name(self, value):
        """ The name property setter. """

        if self._name is None or self._name.absoluteFilePath() != value:
            self._name = QFileInfo(value)
            self.name_changed.emit(value)

    def __init__(self, name=''):
        """ Initialise the project. """

        super().__init__()

        # Initialise the project meta-data.
        self._modified = False
        self._name = QFileInfo(name) if name != '' else None

        # Initialise the project data.
        self.application_name = ''
        self.application_is_pyqt5 = True
        self.application_is_console = False
        self.application_use_py_dll = False
        self.application_is_bundle = True
        self.application_package = QrcPackage()
        self.application_script = ''
        self.application_entry_point = ''
        self.build_dir = 'build'
        self.external_libraries = []
        self.other_extension_modules = []
        self.other_packages = []
        self.pyqt_modules = []
        self.python_host_interpreter = ''
        self.python_use_platform = ['win32']
        self.python_source_dir = '$SYSROOT/src/Python-$PDY_PY_MAJOR.$PDY_PY_MINOR.$PDY_PY_MICRO'
        self.python_ssl = False
        self.python_target_include_dir = '$SYSROOT/include/python$PDY_PY_MAJOR.$PDY_PY_MINOR'
        self.python_target_library = '$SYSROOT/lib/libpython$PDY_PY_MAJOR.$PDY_PY_MINOR.a'
        self.python_target_stdlib_dir = '$SYSROOT/lib/python$PDY_PY_MAJOR.$PDY_PY_MINOR'
        self.python_target_version = get_latest_supported_python_version()
        self.qmake = ''
        self.qmake_configuration = ''
        self.standard_library = []
        self.sys_path = ''

    def path_to_user(self, path):
        """ Convert a file name to one that is relative to the project name if
        possible and uses native separators.
        """

        if self._name is not None:
            rel = self._name.dir().relativeFilePath(path)
            if not rel.startswith('..'):
                path = rel

        return QDir.toNativeSeparators(path)

    def path_from_user(self, user_path):
        """ Convert the name of a file or directory specified by the user to
        the standard Qt format (ie. an absolute path using UNIX separators).  A
        user path may be relative to the name of the project and may contain
        environment variables.
        """

#.........这里部分代码省略.........