def export(file_id, file_name=None, folder=None, override=False):
# 在存储桶中读取文件记录
grid_out = fw_files_storage.find_one({'filename': file_id})
item = SysUtils.grid_out_to_dict(grid_out)
if item is None:
return None
# 设置文件路径，默认文件导出到临时目录
if file_name is None:
file_name = item['filename']
if folder is None:
folder = MyPath.temporary()
file_path = os.path.join(folder, file_name)
# 不设置覆写时，如果文件已存在，则跳过文件创建和写数据的操作
if not override and MyFile.exist(file_path):
return file_path
# 读取文件数据
data = grid_out.read()
# 创建文件并写入数据
with open(file_path, 'wb') as file:
file.write(data)
return file_path
def fetch(self, firmware_id):
grid_out = self.method_fs.find_one({'filename': firmware_id})
item = SysUtils.grid_out_to_dict(grid_out)
if item is None:
return None
data = grid_out.read()
print(item['aliases'])
# save path file
filename = self.FW_PATH + item['aliases']
outf = open(filename, 'wb') # 创建文件
outf.write(data)
outf.close()
return item['aliases']
def fetch(file_id):
grid_out = fw_files_storage.find_one({'filename': file_id})
item = SysUtils.grid_out_to_dict(grid_out)
return item