fix fonts

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [14.3.1] - 2025-01-24
+
+### Fixed
+
+- Fixed characters out of unicode range reporting a cell size if 0 https://github.com/Textualize/rich/pull/3944
+
 ## [14.3.0] - 2025-01-24
 
 ### Fixed
@@ -2177,6 +2183,7 @@ Major version bump for a breaking change to `Text.stylize signature`, which corr
 
 - First official release, API still to be stabilized
 
+[14.3.1]: https://github.com/textualize/rich/compare/v14.3.0...v14.3.1
 [14.3.0]: https://github.com/textualize/rich/compare/v14.2.0...v14.3.0
 [14.2.0]: https://github.com/textualize/rich/compare/v14.1.0...v14.2.0
 [14.1.0]: https://github.com/textualize/rich/compare/v14.0.0...v14.1.0

pyproject.toml

@@ -2,7 +2,7 @@
 name = "rich"
 homepage = "https://github.com/Textualize/rich"
 documentation = "https://rich.readthedocs.io/en/latest/"
-version = "14.3.0"
+version = "14.3.1"
 description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
 authors = ["Will McGugan <willmcgugan@gmail.com>"]
 license = "MIT"

rich/cells.py

@@ -57,7 +57,7 @@ def get_character_cell_size(character: str, unicode_version: str = "auto") -> in
     codepoint = ord(character)
     table = load_cell_table(unicode_version).widths
     if codepoint > table[-1][1]:
-        return 0
+        return 1
     lower_bound = 0
     upper_bound = len(table) - 1
     index = (lower_bound + upper_bound) // 2

tests/test_cells.py

@@ -181,3 +181,9 @@ def test_split_graphemes(
     assert cell_len(text) == expected_cell_length
     assert spans == expected_spans
     assert cell_length == expected_cell_length
+
+
+def test_nerd_font():
+    """Regression test for https://github.com/Textualize/rich/issues/3943"""
+    # Not allocated by unicode, but used by nerd fonts
+    assert cell_len("\U000f024d") == 1