__init__.py 文件源码

def copyFromReader(self, reader, sourcePath, destPath):
        """
        Copy the sourcePath in the provided UFOReader to destPath
        in this writer. The paths must be relative. They may represent
        directories or paths. This uses the most memory efficient
        method possible for copying the data possible.
        """
        if not isinstance(reader, UFOReader):
            raise UFOLibError("The reader must be an instance of UFOReader.")
        fullSourcePath = os.path.join(reader._path, sourcePath)
        if not reader._checkForFile(fullSourcePath):
            raise UFOLibError("No file named \"%s\" to copy from." % sourcePath)
        fullDestPath = os.path.join(self._path, destPath)
        if os.path.exists(fullDestPath):
            raise UFOLibError("A file named \"%s\" already exists." % sourcePath)
        self._buildDirectoryTree(destPath)
        if os.path.isdir(fullSourcePath):
            shutil.copytree(fullSourcePath, fullDestPath)
        else:
            shutil.copy(fullSourcePath, fullDestPath)

    # UFO mod time