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fix(sessions): reject session IDs with a trailing newline #1187

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fix(sessions): reject session IDs with a trailing newline #1187

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4 changes: 2 additions & 2 deletions src/claude_agent_sdk/_internal/sessions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@
MAX_SANITIZED_LENGTH = 200

_UUID_RE = re.compile(
r"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$",
r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
re.IGNORECASE,
)

Expand All @@ -68,7 +68,7 @@

def _validate_uuid(maybe_uuid: str) -> str | None:
"""Returns the string if it is a valid UUID, else None."""
if _UUID_RE.match(maybe_uuid):
if _UUID_RE.fullmatch(maybe_uuid):
return maybe_uuid
return None

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