减少try包括的语段
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@ -62,21 +62,31 @@ class Control():
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self.state_dict = {}
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self.state_dict = {}
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self.state_name = None
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self.state_name = None
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self.state = None
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self.state = None
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# 这里需要考虑多种情况,如文件不存在、文件不可读、文件不符合JSON语法要求
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# 因此仍然采用try-except实现而非if-else实现
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try:
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try:
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# 存在存档即导入
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# 存在存档即导入
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# 自动修复读写权限
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# 先自动修复读写权限(Python权限规则和Unix不一样,420表示unix的644,Windows自动忽略不支持项)
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# Python权限规则和Unix不一样,420表示unix的644,Windows自动忽略不支持项
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os.chmod(c.USERDATA_PATH, 420)
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os.chmod(c.USERDATA_PATH, 420)
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with open(c.USERDATA_PATH) as f:
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with open(c.USERDATA_PATH) as f:
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userdata = json.load(f)
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userdata = json.load(f)
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self.applyUserData(userdata) # 写入时也可能发生权限问题,因此放到try语句中
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except FileNotFoundError:
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except FileNotFoundError:
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self.setupUserData()
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self.setupUserData()
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except json.JSONDecodeError:
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except json.JSONDecodeError:
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logger.warning("用户存档解码错误!程序将新建初始存档!\n")
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logger.warning("用户存档解码错误!程序将新建初始存档!\n")
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self.setupUserData()
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self.setupUserData()
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else: # 没有引发异常才执行
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self.game_info = {}
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# 导入数据,保证了可运行性,但是放弃了数据向后兼容性,即假如某些变量在以后改名,在导入时可能会被重置
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need_to_rewrite = False
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for key in c.INIT_USERDATA:
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if key in userdata:
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self.game_info[key] = userdata[key]
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else:
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self.game_info[key] = c.INIT_USERDATA[key]
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need_to_rewrite = True
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if need_to_rewrite:
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with open(c.USERDATA_PATH, "w") as f:
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savedata = json.dumps(self.game_info, sort_keys=True, indent=4)
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f.write(savedata)
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# 存档内不包含即时游戏时间信息,需要新建
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# 存档内不包含即时游戏时间信息,需要新建
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self.game_info[c.CURRENT_TIME] = 0
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self.game_info[c.CURRENT_TIME] = 0
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@ -91,21 +101,6 @@ class Control():
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f.write(savedata)
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f.write(savedata)
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self.game_info = c.INIT_USERDATA.copy() # 内部全是不可变对象,浅拷贝即可
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self.game_info = c.INIT_USERDATA.copy() # 内部全是不可变对象,浅拷贝即可
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def applyUserData(self, userdata):
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self.game_info = {}
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# 导入数据,保证了可运行性,但是放弃了数据向后兼容性,即假如某些变量在以后改名,在导入时可能会被重置
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need_to_rewrite = False
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for key in c.INIT_USERDATA:
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if key in userdata:
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self.game_info[key] = userdata[key]
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else:
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self.game_info[key] = c.INIT_USERDATA[key]
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need_to_rewrite = True
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if need_to_rewrite:
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with open(c.USERDATA_PATH, "w") as f:
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savedata = json.dumps(self.game_info, sort_keys=True, indent=4)
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f.write(savedata)
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def setup_states(self, state_dict, start_state):
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def setup_states(self, state_dict, start_state):
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self.state_dict = state_dict
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self.state_dict = state_dict
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self.state_name = start_state
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self.state_name = start_state
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