pymod_main.py 文件源码

def choose_psiblast_db_dir(self):
        """
        Called when users want to manually choose a BLAST sequence database folder on their system.
        """
        current_path = self.blast_plus["database_dir_path"].get_value()
        new_path = None
        # Lets users choose a new path.
        new_path = askdirectory(title = "Search for a BLAST database directory", initialdir=current_path, mustexist = True, parent = self.blast_window)
        if new_path:
            if pmos.verify_valid_blast_dbdir(new_path):
                prefix = pmos.get_blast_database_prefix(new_path)
                # Updates the label with the new prefix name.
                self.choose_path_label.configure(text=prefix)
                self.list_of_databases_directories[0]["full-path"] = new_path
            else:
                self.choose_path_label.configure(text="None")
                self.list_of_databases_directories[0]["full-path"] = None
                title = "Selection Error"
                message = "The directory you specified does not seem to contain a valid set of sequence database files."
                self.show_error_message(title, message, parent_window = self.blast_window, refresh=False)
        # Selects the 'browse' button once users click on it.
        self.psiblast_database_rds.setvalue("browse")