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), f"{set(string[:quote_idx])} is NOT a subset of {set(STRING_PREFIX_CHARS)}."
), f"{set(string[:quote_idx])} is NOT a subset of {set(STRING_PREFIX_CHARS)}."
-def normalize_string_prefix(s: str, remove_u_prefix: bool = False) -> str:
- """Make all string prefixes lowercase.
-
- If remove_u_prefix is given, also removes any u prefix from the string.
- """
+def normalize_string_prefix(s: str) -> str:
+ """Make all string prefixes lowercase."""
match = STRING_PREFIX_RE.match(s)
assert match is not None, f"failed to match string {s!r}"
orig_prefix = match.group(1)
match = STRING_PREFIX_RE.match(s)
assert match is not None, f"failed to match string {s!r}"
orig_prefix = match.group(1)
- new_prefix = orig_prefix.replace("F", "f").replace("B", "b").replace("U", "u")
- if remove_u_prefix:
- new_prefix = new_prefix.replace("u", "")
+ new_prefix = (
+ orig_prefix.replace("F", "f")
+ .replace("B", "b")
+ .replace("U", "")
+ .replace("u", "")
+ )
+
+ # Python syntax guarantees max 2 prefixes and that one of them is "r"
+ if len(new_prefix) == 2 and "r" != new_prefix[0].lower():
+ new_prefix = new_prefix[::-1]
return f"{new_prefix}{match.group(2)}"
return f"{new_prefix}{match.group(2)}"
projects / etc / vim.git / blobdiff