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f0f6114 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | """
Shared validators used across the codebase.
"""
import re
COMPANY_ID_PATTERN = re.compile(r"^[a-zA-Z0-9_\-]{3,64}$")
def validate_company_id(company_id: str) -> str:
"""
Validate and sanitize a company_id.
Raises ValueError if invalid.
Returns the cleaned company_id.
"""
if not company_id:
raise ValueError("company_id cannot be empty.")
company_id = company_id.strip()
if not COMPANY_ID_PATTERN.match(company_id):
raise ValueError(
f"Invalid company_id: '{company_id}'. "
"Only letters, numbers, underscores, and hyphens allowed (3-64 chars)."
)
return company_id |