#wip(py): Basic Python starting.
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mbruzon
parent
86424a0ca3
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2f4258d815
168
Python/Drivers/FilesDirver.py
Normal file
168
Python/Drivers/FilesDirver.py
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@ -0,0 +1,168 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from typing import Any, Self, Sequence
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from os.path import dirname as directory_name, abspath as absolute_path, exists as path_exists, isfile as is_file, isdir as is_directory
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from io import FileIO
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from json import loads as json_loads
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from Interfaces.Application.AnPInterface import AnPInterface
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from Utils.Options import Options
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from Utils.Validate import Validate
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from Utils.Patterns import RE
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class FilesDriver:
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ROOT:str = directory_name(absolute_path(__file__))
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SLASH:str = "/" if "/" in ROOT else "\\"
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GET_ABSOLUTE_PATH_OPTIONS:Options = Options(Options.ALLOW_CHECKS + Options.SHOW_ERRORS)
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LOAD_OPTIONS:Options = Options(Options.ALLOW_CHECKS + Options.SHOW_ERRORS)
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LOAD_JSON_OPTIONS:Options = Options(Options.ALLOW_CHECKS + Options.SHOW_ERRORS)
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def __init__(self:Self, anp:AnPInterface) -> None:
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self.anp:AnPInterface = anp
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self.__roots:list[str] = ["", self.ROOT]
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for _ in range(2):
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self.__roots += [RE.PARENT_DIRECTORY.sub(r'\1', self.__roots[-1])]
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@classmethod
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def fix_path(cls:type[Self], path:str) -> str:
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path = RE.SLASHES.sub(cls.SLASH, path)
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return path if path[0] != "\\" else "\\" + path
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def get_absolute_path(self:Self, path:str, custom_options:int = 0) -> tuple[str|None, int]:
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""" 5 bits. """
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options:Options = Options(custom_options, self.GET_ABSOLUTE_PATH_OPTIONS)
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error:int = (
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(Validate.string(path, Validate.TRIM | Validate.EMPTY) << 1) |
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0) if options.allow_checks else 0
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absolute:str|None = None
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if not error:
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for root in self.__roots:
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try:
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absolute_path:str = self.fix_path((root + self.SLASH if root else "") + path)
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if path_exists(absolute_path):
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absolute = absolute_path
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break
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except Exception as exception:
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error |= 1 << 0
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if absolute is None:
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error |= 1 << 4
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return absolute, error
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def load(self:Self, path:str, mode:str = "r", custom_options:int = 0) -> tuple[str|bytes|None, int]:
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""" 10 bits. """
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options:Options = Options(custom_options, self.LOAD_OPTIONS)
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error:int = (
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# (Validate.string(path, Validate.TRIM | Validate.EMPTY) << 1) |
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((
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Validate.string(mode, Validate.TRIM | Validate.EMPTY) or
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(0 if mode in ("r", "rb") else 8)
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) << 6) |
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0) if options.allow_checks else 0
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results:str|bytes|None = None
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absolute:str|None
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absolute_error:int
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absolute, absolute_error = self.get_absolute_path(path, custom_options)
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if options.allow_checks:
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error |= absolute_error << 1
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if not error:
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try:
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file:FileIO
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with open(absolute, mode) as file:
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results = file.read()
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except Exception as exception:
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error |= 1 << 0
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return results, error
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def load_json(self:Self, data:str|Sequence[Any|None]|dict[str, Any|None], custom_options:int = 0) -> tuple[Sequence[Any|None]|dict[str, Any|None]|None, int]:
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""" 10 bits. """
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options:Options = Options(custom_options, self.LOAD_JSON_OPTIONS)
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error:int = (
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(Validate.null_or_undefined(data) << 1) |
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0) if options.allow_checks else 0
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results:Sequence[Any|None]|dict[str, Any|None]|None = None
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if isinstance(data, str):
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if not options.allow_checks or not (
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error := error | Validate.string(data, Validate.FROM_TYPE | Validate.TRIM | Validate.EMPTY) << 1
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):
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data = data.strip()
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if data[0] + data[-1] in ("{}", "[]"):
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try:
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results = json_loads(data)
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if options.allow_checks and results == None:
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error |= 1 << 6
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except Exception as exception:
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error |= 1 << 0
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else:
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load_error:int
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data, load_error = self.load(data, "r", custom_options)
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if not options.allow_checks or (
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error := error | (load_error << 7)
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) or not (
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error := error | Validate.string(data, Validate.FROM_TYPE | Validate.TRIM | Validate.EMPTY) << 1
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):
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data = data.strip()
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if data[0] + data[-1] in ("{}", "[]"):
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try:
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results = json_loads(data)
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if options.allow_checks and results == None:
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error |= 1 << 6
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except Exception as exception:
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error |= 1 << 0
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else:
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error |= 1 << 18
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if not error:
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try:
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results = json_loads(data)
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if options.allow_checks and results == None:
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error |= 1 << 6
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except Exception as exception:
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error |= 1 << 0
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elif isinstance(data, (list, dict)):
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results = data
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else:
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error |= 1 << 3
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return results, error
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def save(self:Self, path:str, content:str|bytes, mode:str = "w", custom_options:int = 0) -> int:
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pass
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def delete(self:Self, path:str, custom_options:int = 0) -> int:
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pass
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def is_file(self:Self, path:str, custom_options:int = 0) -> int:
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pass
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def is_directory(self:Self, path:str, custom_options:int = 0) -> int:
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pass
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@ -13,6 +13,14 @@ class Options:
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ALLOW_NULLS:int = 1 * 3 ** NULLISH
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NOT_NULLS:int = 2 * 3 ** NULLISH
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CHECKS:int = 2
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ALLOW_CHECKS:int = 1 * 3 ** CHECKS
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NO_CHECKS:int = 2 * 3 ** CHECKS
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SHOWING_ERRORS:int = 3
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SHOW_ERRORS:int = 1 * 3 ** SHOWING_ERRORS
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HIDE_ERRORS:int = 2 * 3 ** SHOWING_ERRORS
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DEFAULT:Self = Self(NO_OVERWRITE + ALLOW_NULLS)
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@classmethod
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@ -29,13 +37,17 @@ class Options:
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self.overwrite:bool|None
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self.allow_null:bool|None
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self.check_errors:bool|None
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self.show_errors:bool|None
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if default is None:
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default = self.DEFAULT
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for key, option in (
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("overwrite", self.OVERWRITE),
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("allow_null", self.NULLISH)
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("allow_null", self.NULLISH),
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("check_errors", self.CHECKS),
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("show_errors", self.SHOWING_ERRORS)
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):
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value:bool|None = self.get_value(options, option)
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@ -50,7 +62,9 @@ class Options:
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for option, value in (
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(self.OVERWRITING, self.overwrite),
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(self.NULLISH, self.allow_null)
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(self.NULLISH, self.allow_null),
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(self.CHECKS, self.allow_checks),
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(self.SHOWING_ERRORS, self.show_errors)
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):
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code += (
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1 if value is True else
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@ -6,3 +6,5 @@ from re import compile as re_compile, Pattern as REPattern, I as RE_IGNORE_CASE
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class RE:
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KEY:REPattern = re_compile(r'^[a-z_][a-z0-9_]*$', RE_IGNORE_CASE)
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STRING_VARIABLES:REPattern = re_compile(r'\{([a-z_][a-z0-9_]*)\}', RE_IGNORE_CASE)
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SLASHES:REPattern = re_compile(r'[\\\/]+')
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PARENT_DIRECTORY:REPattern = re_compile(r'^(.+)[\\\/][^\\\/]+[\\\/]?$')
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49
Python/Utils/Validate.py
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49
Python/Utils/Validate.py
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@ -0,0 +1,49 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from typing import Any, Self
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from Utils.Patterns import RE
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class Validate:
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IGNORE_NULL_OR_UNDEFINED:int = 1 << 0
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EMPTY:int = 1 << 1
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TRIM:int = 1 << 2
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KEY:int = 1 << 3
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FROM_TYPE:int = 1 << 4
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@classmethod
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def null_or_undefined(cls:type[Self], value:Any|None, options:int = 0) -> int:
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""" 2 Options. 2 bits. """
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return 0 if options & (cls.IGNORE_NULL_OR_UNDEFINED | cls.FROM_TYPE) else (
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# 1 if value is undefined else
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2 if value is None else
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0)
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@staticmethod
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def null_or_undefined_message(key:str) -> list[str]:
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return [
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f"{key}_undefined",
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f"{key}_null"
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]
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@classmethod
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def string(cls:type[Self], value:Any|None, options:int = 0) -> int:
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""" 7 options. 3 bits. """
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return cls.null_or_undefined(value, options) or (
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3 if not (options & cls.FROM_TYPE) and not isinstance(value, str) else
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(4 if options & cls.EMPTY else 0) if value == "" else
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(5 if options & cls.TRIM else 0) if value != (value := value.strip()) else
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(6 if options & (cls.TRIM | cls.EMPTY) else 0) if value == "" else
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(7 if options & cls.KEY else 0) if not RE.KEY.match(value) else
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0)
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@classmethod
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def string_message(cls:type[Self], key:str) -> list[str]:
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return cls.null_or_undefined_message(key) + [
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f"{key}_not_string",
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f"{key}_empty",
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f"{key}_not_trimmed",
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f"{key}_empty_trimmed",
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f"{key}_not_key"
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]
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