config.py

# coding:utf-8
# Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
import json
from typing import Any

import yaml
from easydict import EasyDict

import paddlehub.env as hubenv


class HubConfig:
    '''
    '''

    def __init__(self):
        self._initialize()
        self.file = os.path.join(hubenv.CONF_HOME, 'config.yaml')
        with open(self.file, 'r') as file:
            try:
                cfg = yaml.load(file, Loader=yaml.FullLoader)
                self.data.update(cfg)
            except:
                ...

    def _initialize(self):
        self.data = EasyDict()
        self.data.server = 'http://paddlepaddle.org.cn/paddlehub'
        self.data.log = EasyDict()
        self.data.log.enable = True
        self.data.log.level = 'DEBUG'

    def reset(self):
        self._initialize()
        self.flush()

    @property
    def log_level(self):
        return self.data.log.level

    @log_level.setter
    def log_level(self, level: str):
        from paddlehub.utils import log
        if not level in log.log_config.keys():
            raise ValueError('Unknown log level {}.'.format(level))

        self.data.log.level = level
        self.flush()

    @property
    def log_enable(self):
        return self.data.log.enable

    @log_enable.setter
    def log_enable(self, enable: bool):
        self.data.log.enable = enable
        self.flush()

    @property
    def server(self):
        return self.data.server

    @server.setter
    def server(self, url: str):
        self.data.server = url
        self.flush()

    def flush(self):
        with open(self.file, 'w') as file:
            # convert EasyDict to dict
            cfg = json.loads(json.dumps(self.data))
            yaml.dump(cfg, file)

    def __str__(self):
        cfg = json.loads(json.dumps(self.data))
        return yaml.dump(cfg)


def _load_old_config(config: HubConfig):
    # The old version of the configuration file is obsolete, read the configuration value and delete it.
    old_cfg_file = os.path.join(hubenv.CONF_HOME, 'config.json')
    if os.path.exists(old_cfg_file):
        with open(old_cfg_file) as file:
            try:
                cfg = json.loads(file.read())
                config.server = cfg['server_url']
                config.log_level = cfg['log_level']
            except:
                ...
        os.remove(old_cfg_file)


config = HubConfig()
_load_old_config(config)