Split out unicode_ljust and unicode_rjust to break import cycle (#3388)

* Split out unicode_ljust and unicode_rjust to break import cycle

Previously, there was an import cycle between tui.menu_item and
lib.output.

* Move unicode.py from lib/ to lib/utils/

Author: correctmost

archinstall/lib/output.py

@@ -1,16 +1,15 @@
 import logging
 import os
 import sys
-import unicodedata
 from collections.abc import Callable
 from dataclasses import asdict, is_dataclass
 from datetime import UTC, datetime
 from enum import Enum
-from functools import lru_cache
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
 
 from .storage import storage
+from .utils.unicode import unicode_ljust, unicode_rjust
 
 if TYPE_CHECKING:
 	from _typeshed import DataclassInstance
@@ -335,41 +334,3 @@ def log(
 	if level != logging.DEBUG:
 		from archinstall.tui.curses_menu import Tui
 		Tui.print(text)
-
-
-@lru_cache(maxsize=128)
-def _is_wide_character(char: str) -> bool:
-	return unicodedata.east_asian_width(char) in 'FW'
-
-
-def _count_wchars(string: str) -> int:
-	"Count the total number of wide characters contained in a string"
-	return sum(_is_wide_character(c) for c in string)
-
-
-def unicode_ljust(string: str, width: int, fillbyte: str = ' ') -> str:
-	"""Return a left-justified unicode string of length width.
-	>>> unicode_ljust('Hello', 15, '*')
-	'Hello**********'
-	>>> unicode_ljust('你好', 15, '*')
-	'你好***********'
-	>>> unicode_ljust('안녕하세요', 15, '*')
-	'안녕하세요*****'
-	>>> unicode_ljust('こんにちは', 15, '*')
-	'こんにちは*****'
-	"""
-	return string.ljust(width - _count_wchars(string), fillbyte)
-
-
-def unicode_rjust(string: str, width: int, fillbyte: str = ' ') -> str:
-	"""Return a right-justified unicode string of length width.
-	>>> unicode_rjust('Hello', 15, '*')
-	'**********Hello'
-	>>> unicode_rjust('你好', 15, '*')
-	'***********你好'
-	>>> unicode_rjust('안녕하세요', 15, '*')
-	'*****안녕하세요'
-	>>> unicode_rjust('こんにちは', 15, '*')
-	'*****こんにちは'
-	"""
-	return string.rjust(width - _count_wchars(string), fillbyte)

archinstall/lib/utils/unicode.py

@@ -0,0 +1,40 @@
+import unicodedata
+from functools import lru_cache
+
+
+@lru_cache(maxsize=128)
+def _is_wide_character(char: str) -> bool:
+	return unicodedata.east_asian_width(char) in 'FW'
+
+
+def _count_wchars(string: str) -> int:
+	"Count the total number of wide characters contained in a string"
+	return sum(_is_wide_character(c) for c in string)
+
+
+def unicode_ljust(string: str, width: int, fillbyte: str = ' ') -> str:
+	"""Return a left-justified unicode string of length width.
+	>>> unicode_ljust('Hello', 15, '*')
+	'Hello**********'
+	>>> unicode_ljust('你好', 15, '*')
+	'你好***********'
+	>>> unicode_ljust('안녕하세요', 15, '*')
+	'안녕하세요*****'
+	>>> unicode_ljust('こんにちは', 15, '*')
+	'こんにちは*****'
+	"""
+	return string.ljust(width - _count_wchars(string), fillbyte)
+
+
+def unicode_rjust(string: str, width: int, fillbyte: str = ' ') -> str:
+	"""Return a right-justified unicode string of length width.
+	>>> unicode_rjust('Hello', 15, '*')
+	'**********Hello'
+	>>> unicode_rjust('你好', 15, '*')
+	'***********你好'
+	>>> unicode_rjust('안녕하세요', 15, '*')
+	'*****안녕하세요'
+	>>> unicode_rjust('こんにちは', 15, '*')
+	'*****こんにちは'
+	"""
+	return string.rjust(width - _count_wchars(string), fillbyte)

archinstall/tui/menu_item.py

@@ -5,7 +5,7 @@
 from functools import cached_property
 from typing import TYPE_CHECKING, Any, ClassVar
 
-from ..lib.output import unicode_ljust
+from ..lib.utils.unicode import unicode_ljust
 
 if TYPE_CHECKING:
 	from archinstall.lib.translationhandler import DeferredTranslation