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When pasting in bracketed paste mode and the cursor is at a shell prompt, strip out C0 control codes

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Some shells incorrectly interpret these allowing escape from bracketed paste mode. Thanks to David Leadbetter for discovering.
This commit is contained in:
Kovid Goyal
2023-10-20 12:17:13 +05:30
parent f098240ace
commit 56963c693e
4 changed files with 8 additions and 2 deletions
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5
kitty/utils.py
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@@ -1135,13 +1135,16 @@ def docs_url(which: str = '', local_docs_root: Optional[str] = '') -> str:
return url
def sanitize_for_bracketed_paste(text: bytes) -> bytes:
def sanitize_for_bracketed_paste(text: bytes, at_shell_prompt: bool = False) -> bytes:
pat = re.compile(b'(?:(?:\033\\\x5b)|(?:\x9b))201~')
while True:
new_text = pat.sub(b'', text)
if new_text == text:
break
text = new_text
if at_shell_prompt:
# some shells dont handle C0 control codes in pasted text correctly
text = re.sub(b'[\x00-\x1f]+', b'', text)
return text