{"library":"pybloom-live","title":"pybloom-live: Bloom Filter Implementation","description":"pybloom-live is a Python library providing an efficient implementation of the Bloom filter probabilistic data structure. It also offers a Scalable Bloom Filter, which can dynamically grow its capacity. Currently at version 4.0.0, it is a fork of the original `pybloom` project, with improvements like a consistent tightening ratio. It aims to provide fast, space-efficient membership testing for large datasets where a small probability of false positives is acceptable.","language":"python","status":"active","last_verified":"Fri May 15","install":{"commands":["pip install pybloom-live"],"cli":null},"imports":["from pybloom_live import BloomFilter","from pybloom_live import ScalableBloomFilter"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from pybloom_live import BloomFilter\n\n# Initialize a Bloom filter with a capacity of 1000 elements\n# and an acceptable false positive rate of 0.01 (1%)\nbloom = BloomFilter(capacity=1000, error_rate=0.01)\n\n# Add elements\nbloom.add(\"apple\")\nbloom.add(\"banana\")\nbloom.add(\"orange\")\n\n# Check for membership\nprint(f\"Is 'apple' in the filter? {'apple' in bloom}\") # Expected: True\nprint(f\"Is 'grape' in the filter? {'grape' in bloom}\") # Expected: False\n\n# Note: Due to the probabilistic nature, 'grape' *could* theoretically\n# return True with a small probability (false positive), but never False\n# if it was actually added.","lang":"python","description":"This example demonstrates how to initialize a basic `BloomFilter`, add elements, and check for their probable membership. You define the expected capacity and acceptable error rate during initialization.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-15","installed_version":"4.0.0","pypi_latest":"4.0.0","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":3,"avg_import_s":0.01,"wheel_type":"sdist"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"21.1M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":2.9,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"22M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"23.9M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":2.5,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"25M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"13.7M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":3.4,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"15M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.5,"disk_size":"13.5M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":3.1,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"14M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"20.7M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"pybloom-live","exit_code":0,"wheel_type":"sdist","failure_reason":null,"import_side_effects":"clean","install_time_s":3.3,"import_time_s":0.01,"mem_mb":0.3,"disk_size":"22M"}]}}