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aion-0.1.0_alpha/aion_core/variable.py

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+#!/usr/bin/python3
+
+_aion_variable_file = "/tmp/aion39ewefv90erfte25"
+
+_default_variables = {"IS_AION_RUNNING": False}
+
+IS_AION_RUNNING = "IS_AION_RUNNING"
+
+
+class Variable:
+    """
+    base class for aion variables
+
+    :since: 0.1.0
+    """
+
+    def __init__(self) -> None:
+        """
+        set all class variables
+        
+        :return: None
+
+        :since: 0.1.0
+        """
+        from os.path import isfile as _isfile
+
+        self._user_variables = {}
+
+        if _isfile(_aion_variable_file):
+            self._aion_open_variable_file = open(_aion_variable_file, "w+")
+        else:
+            self._aion_open_variable_file = None
+
+    def add_variable(self, variable_name: str, value: str) -> None:
+        """
+        adds a variable
+
+        :param variable_name: str
+            name of the variable you want to add
+            syntax: <variable name>
+            example: "test_variable"
+        :param value: str
+            value of the variable
+            syntax: <value>
+            example: "test_value"
+        :return: None
+
+        :since: 0.1.0
+        """
+        if self._aion_open_variable_file is not None:
+            file = open(_aion_variable_file, "a")
+            file.write(variable_name + "=" + value)
+            self._aion_open_variable_file = open(_aion_variable_file, "w+")
+        self._user_variables[variable_name] = value
+
+    def close(self) -> None:
+        """
+        remove the file with the saved variables
+
+        :return: None
+
+        :since: 0.1.0
+        """
+        from os import remove
+
+        if self._aion_open_variable_file is not None:
+            remove(_aion_variable_file)
+            self._aion_open_variable_file = None
+
+    def get_value(self, variable_name: str) -> str:
+        """
+        get the value of an variable
+
+        :param variable_name: str
+            name of the variable you want to get the value
+            syntax: <variable name>
+            example: "test_variable"
+        :return: str
+            return the value of the variable
+            syntax: <value>
+            example: <text_variable_value>
+
+        :since: 0.1.0
+        """
+        try:
+            from ._error_codes import variable_get_value_variable_file_variable_doesnt_exist, variable_get_value_user_variables_variable_doesnt_exist
+        except ImportError:
+            from _error_codes import variable_get_value_variable_file_variable_doesnt_exist, variable_get_value_user_variables_variable_doesnt_exist
+
+        if self._aion_open_variable_file is not None:
+            for value in self._aion_open_variable_file:
+                if value.strip().startswith("#"):
+                    continue
+                elif value.split("=")[0].strip() == variable_name:
+                    return value.split("=")[1].strip()
+            raise KeyError("Errno: " + variable_get_value_variable_file_variable_doesnt_exist + " - The variable " + variable_name + " doesn't exists")
+        else:
+            try:
+                return str(_default_variables[variable_name])
+            except KeyError:
+                if variable_name in self._user_variables:
+                    return self._user_variables[variable_name]
+                raise KeyError("Errno: " + variable_get_value_user_variables_variable_doesnt_exist + " - The variable " + variable_name + " doesn't exists")
+
+    def inititalize_variables(self, additional_variables: dict = {}) -> None:
+        """
+        creates a new file for the variables to store
+
+        :param additional_variables: dict, optional
+            variables that should be added ('add_variable' could be used instead)
+            syntax: {"key": "value"}
+            example: {"test": "True"}
+        :return: None
+
+        :since: 0.1.0
+        """
+        self._aion_open_variable_file = open(_aion_variable_file, "w+")
+        write_list = [variable + "=" + str(value) for variable, value in _default_variables.items()]
+        write_list = write_list + [str(additional_variable) + "=" + str(additional_value) for additional_variable, additional_value in additional_variables.items()]
+        write_list = write_list + [str(user_variable) + "=" + str(user_value) for user_variable, user_value in self._user_variables]
+        self._aion_open_variable_file.writelines(write_list)
+        self._aion_open_variable_file = open(_aion_variable_file, "w+")
+
+    def remove_variable(self, variable_name: str) -> None:
+        """
+        removes a variable
+
+        :param variable_name: str
+            name of the variable
+            syntax: <variable name>
+            example: "test_variable"
+        :return: None
+
+        :since: 0.1.0
+        """
+        try:
+            from ._error_codes import variable_remove_variable_variable_doesnt_exist
+            from .utils import remove_space, replace_line
+        except ImportError:
+            from _error_codes import variable_remove_variable_variable_doesnt_exist
+            from utils import remove_space, replace_line
+
+        found = False
+
+        if variable_name in self._user_variables:
+            del self._user_variables[variable_name]
+            found = True
+
+        if self._aion_open_variable_file is not None:
+            line_number = -1
+            for line in self._aion_open_variable_file:
+                line_number = line_number + 1
+                if remove_space(line, "").split("=")[0] == variable_name:
+                    replace_line(_aion_variable_file, line_number, "")
+                    self._aion_open_variable_file = open(_aion_variable_file, "w+")
+                    return
+
+        if found is False:
+            raise KeyError("Errno: " + variable_remove_variable_variable_doesnt_exist + " - The variable " + variable_name + " doesn't exists")
+
+    def set_value(self, variable_name: str, value: str) -> None:
+        """
+        set a new value to a variable
+
+        :param variable_name: str
+            name of the variable you want to change the value
+            syntax: "<variable name>"
+            example: "test_variable"
+        :param value: str
+            new value
+            syntax: "<new value>"
+            example: "new_test_value"
+        :return: None
+
+        :since: 0.1.0
+        """
+        try:
+            from ._error_codes import variable_set_value_variable_doesnt_exist
+            from .utils import remove_space, replace_line
+        except ImportError:
+            from _error_codes import variable_set_value_variable_doesnt_exist
+            from utils import remove_space, replace_line
+
+        found = False
+
+        if variable_name in self._user_variables:
+            self._user_variables[variable_name] = value
+            found = True
+
+        if self._aion_open_variable_file is not None:
+            line_number = -1
+            for line in self._aion_open_variable_file:
+                line_number = line_number + 1
+                if remove_space(line, " ").split("=")[0] == variable_name:
+                    replace_line(_aion_variable_file, line_number, variable_name + "=" + value)
+                    self._aion_open_variable_file = open(_aion_variable_file, "w+")
+                    return
+
+        if found is False:
+            raise KeyError("Errno: " + variable_set_value_variable_doesnt_exist + " - The variable " + variable_name + " doesn't exists")