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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def can_import(self, file_uris, current_doc=None):
 """ Check that the specified file looks like a directory containing many pdf files """

        if len(file_uris) <= 0:
            return False
        try:
            for file_uri in file_uris:
                file_uri = self.fs.safe(file_uri)
                for child in self.fs.recurse(file_uri):
                    if self.check_file_type(child):
                        return True
        except GLib.GError:
            pass
        return False