def __init__(self, polygon):
"""构造函数
Args:
polygon (list): [polygon_id, layer, vertex_num, <str>vertices]
"""
self.polygon_id = int(polygon[0])
self.layer = polygon[1]
vertex_str_list = polygon[3].strip().strip(';')
if vertex_str_list == '':
self.vertices = []
self.vertex_num = 0
else:
# vertex_list: [[float, float], [float, float], ...]
vertex_list = [[float(v.strip()) for v in pt_str.strip().split(',')]
for pt_str in vertex_str_list.strip().split(';')]
# self.vertices: [DaoPoint, DaoPoint, ...]
self.vertices = [DaoPoint(x, y) for x, y in vertex_list]
self.vertex_num = len(self.vertices)
if self.vertex_num != polygon[2]:
log.debug('polygon %d: expect %d vertices, find %d.' % (self.polygon_id, polygon[2], self.vertex_num))
# other attr
self.name = ''
self.additional = 0
self.parent = None
self.children = []
def save(self, path):
"""保存 sqlite 数据库文件
Args:
path (str): 文件路径
"""
try:
self.db.write_to_file(path)
self.command_handler.reset_backup_data()
log.debug('Save "%s".' % path)
except sqlite3.Error as error:
log.error('Failed to save "%s".' % path)
log.error(repr(error))
self.show_message(repr(error))
def execute(self, commands):
"""执行命令
Args:
commands (str): 待执行命令
"""
log.debug(commands)
try:
self.command_handler.execute(commands)
self.update_polygon_list()
except Exception as e:
log.error("执行命令出错: %s" % repr(e))
return False
else:
return True
def open(self, path, quiet=False):
"""打开 sqlite 数据库文件
Args:
path (str): 文件路径
quiet (bool): 报错不弹框
"""
if os.path.exists(path):
try:
self.db.load_tables(path)
self.command_handler.reset_backup_data()
self.update_polygon_list()
self.path = path
self.fsm_mgr.change_fsm("empty", "normal")
log.debug('Open "%s".' % path)
except sqlite3.Error as error:
log.error('Failed to open "%s".' % path)
log.error(repr(error))
if not quiet:
self.show_message(repr(error))
else:
log.error("File %s not exists." % path)
if not quiet:
self.show_message("File %s not exists." % path)