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from backuppc_clone.DataLayer import DataLayer |
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from typing import Optional |
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import configparser |
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import os |
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View Code Duplication |
class Config: |
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""" |
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Singleton class getting and updating parameters |
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""" |
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instance = None |
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""" |
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The singleton instance of this class. |
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:type instance: backuppc_clone.Config.Config |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __init__(self, config_filename: str): |
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""" |
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Object constructor. |
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@param str config_filename: The path to the configuration file of the clone. |
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""" |
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if Config.instance is not None: |
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raise Exception("This class is a singleton!") |
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else: |
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Config.instance = self |
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self.__config_filename: str = config_filename |
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""" |
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The path to the configuration file of the clone. |
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""" |
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self.__stats_filename: Optional[str] = None |
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""" |
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The path to the stats file. |
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""" |
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self.__top_dir_clone: Optional[str] = None |
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""" |
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The top dir of the clone. |
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""" |
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self.__tmp_dir_clone: Optional[str] = None |
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""" |
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The temp dir of the clone. |
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""" |
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self.__top_dir_original: Optional[str] = None |
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""" |
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The top dir of the original. |
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""" |
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self.__pc_dir_clone: Optional[str] = None |
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""" |
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The pc dir of the clone. |
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""" |
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self.__pc_dir_original: Optional[str] = None |
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""" |
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The pc dir of the original. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def stats_file(self) -> str: |
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""" |
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Returns the path to the stats file. |
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:rtype: str |
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""" |
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if self.__stats_filename is None: |
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self.__stats_filename = os.path.join(os.path.dirname(self.__config_filename), 'status.json') |
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return self.__stats_filename |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def last_pool_scan(self) -> int: |
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""" |
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Returns the timestamp of the last original pool scan. |
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:rtype: int |
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""" |
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return int(DataLayer.instance.parameter_get_value('LAST_POOL_SYNC')) |
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# ------------------------------------------------------------------------------------------------------------------ |
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@last_pool_scan.setter |
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def last_pool_scan(self, value: int) -> None: |
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""" |
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Saves the timestamp of the last original pool scan. |
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@param int value: The timestamp. |
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""" |
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DataLayer.instance.parameter_update_value('LAST_POOL_SYNC', str(value)) |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def pc_dir_clone(self) -> str: |
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""" |
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Gives the pc dir of the clone. |
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:rtype: str |
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""" |
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if self.__pc_dir_clone is None: |
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self.__pc_dir_clone = os.path.join(self.top_dir_clone, 'pc') |
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return self.__pc_dir_clone |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def pc_dir_original(self) -> str: |
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""" |
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Gives the pc dir of the original. |
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:rtype: str |
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""" |
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if self.__pc_dir_original is None: |
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config_clone = configparser.ConfigParser() |
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config_clone.read(self.__config_filename) |
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config_original = configparser.ConfigParser() |
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config_original.read(config_clone['Original']['config']) |
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self.__pc_dir_original = os.path.realpath(config_original['Original']['pc_dir']) |
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return self.__pc_dir_original |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def tmp_dir_clone(self) -> str: |
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""" |
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Gives the temp dir of the clone. |
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:rtype: str |
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""" |
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if self.__tmp_dir_clone is None: |
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self.__tmp_dir_clone = os.path.join(self.top_dir_clone, 'tmp') |
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return self.__tmp_dir_clone |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def top_dir_clone(self) -> str: |
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""" |
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Gives the top dir of the clone. |
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:rtype: str |
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""" |
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if self.__top_dir_clone is None: |
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self.__top_dir_clone = os.path.realpath(os.path.dirname(self.__config_filename)) |
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return self.__top_dir_clone |
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# ------------------------------------------------------------------------------------------------------------------ |
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@property |
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def top_dir_original(self) -> str: |
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""" |
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Gives the top dir of the original. |
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:rtype: str |
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""" |
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if self.__top_dir_original is None: |
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config_clone = configparser.ConfigParser() |
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config_clone.read(self.__config_filename) |
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self.__top_dir_original = os.path.realpath(os.path.dirname(config_clone['Original']['config'])) |
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return self.__top_dir_original |
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# ------------------------------------------------------------------------------------------------------------------ |
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def backup_dir_clone(self, host: str, backup_no: int) -> str: |
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""" |
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Returns the path to a host backup of the clone. |
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@param str host: The name of the host. |
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@param int backup_no: The backup number. |
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:rtype: str |
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""" |
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return os.path.join(self.top_dir_clone, 'pc', host, str(backup_no)) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def backup_dir_original(self, host: str, backup_no: int) -> str: |
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""" |
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Returns the path to a host backup of the original. |
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@param str host: The name of the host. |
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@param int backup_no: The backup number. |
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:rtype: str |
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""" |
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return os.path.join(self.pc_dir_original, host, str(backup_no)) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def host_dir_clone(self, host: str) -> str: |
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""" |
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Returns the path to host of the clone. |
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@param str host: The name of the host. |
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:rtype: str |
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""" |
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return os.path.join(self.top_dir_clone, 'pc', host) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def host_dir_original(self, host: str) -> str: |
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""" |
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Returns the path to host of the original. |
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@param str host: The name of the host. |
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:rtype: str |
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""" |
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return os.path.join(self.top_dir_original, 'pc', host) |
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# ---------------------------------------------------------------------------------------------------------------------- |
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