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crewAI/src/crewai/utilities/chromadb.py
Vidit Ostwal 7f12e98de5
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Added sanitize role feature in mem0 storage (#2988)
* Added sanitize role feature in mme0 storage

* Used chroma db functionality
2025-06-12 13:14:34 -04:00

63 lines
1.7 KiB
Python

import re
from typing import Optional
MIN_COLLECTION_LENGTH = 3
MAX_COLLECTION_LENGTH = 63
DEFAULT_COLLECTION = "default_collection"
# Compiled regex patterns for better performance
INVALID_CHARS_PATTERN = re.compile(r"[^a-zA-Z0-9_-]")
IPV4_PATTERN = re.compile(r"^(\d{1,3}\.){3}\d{1,3}$")
def is_ipv4_pattern(name: str) -> bool:
"""
Check if a string matches an IPv4 address pattern.
Args:
name: The string to check
Returns:
True if the string matches an IPv4 pattern, False otherwise
"""
return bool(IPV4_PATTERN.match(name))
def sanitize_collection_name(name: Optional[str], max_collection_length: int = MAX_COLLECTION_LENGTH) -> str:
"""
Sanitize a collection name to meet ChromaDB requirements:
1. 3-63 characters long
2. Starts and ends with alphanumeric character
3. Contains only alphanumeric characters, underscores, or hyphens
4. No consecutive periods
5. Not a valid IPv4 address
Args:
name: The original collection name to sanitize
Returns:
A sanitized collection name that meets ChromaDB requirements
"""
if not name:
return DEFAULT_COLLECTION
if is_ipv4_pattern(name):
name = f"ip_{name}"
sanitized = INVALID_CHARS_PATTERN.sub("_", name)
if not sanitized[0].isalnum():
sanitized = "a" + sanitized
if not sanitized[-1].isalnum():
sanitized = sanitized[:-1] + "z"
if len(sanitized) < MIN_COLLECTION_LENGTH:
sanitized = sanitized + "x" * (MIN_COLLECTION_LENGTH - len(sanitized))
if len(sanitized) > max_collection_length:
sanitized = sanitized[:max_collection_length]
if not sanitized[-1].isalnum():
sanitized = sanitized[:-1] + "z"
return sanitized