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Ensure only printable keys added to footer

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This commit is contained in:
Darren Burns
2022-12-14 14:07:05 +00:00
parent a8c3018ba3
commit 114d028ac7
1 changed files with 8 additions and 3 deletions
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11
src/textual/keys.py
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@@ -245,9 +245,14 @@ def _get_key_display(key: str) -> str:
return display_alias return display_alias
original_key = REPLACED_KEYS.get(key, key) original_key = REPLACED_KEYS.get(key, key)
upper_original = original_key.upper().replace("_", " ")
try: try:
unicode_character = unicodedata.lookup(original_key.upper().replace("_", " ")) unicode_character = unicodedata.lookup(upper_original)
except KeyError: except KeyError:
return original_key.upper() return upper_original
return unicode_character # Check if printable. `delete` for example maps to a control sequence
# which we don't want to write to the terminal.
if unicode_character.isprintable():
return unicode_character
return upper_original