{"library":"shippinglabel","title":"ShippingLabel","description":"Shippinglabel is a Python library providing utilities for handling packages, including checksums, classifiers, and requirements management. It is actively maintained by domdfcoding with frequent releases, currently at version 2.3.0.","language":"python","status":"active","last_verified":"Mon May 18","install":{"commands":["pip install shippinglabel"],"cli":null},"imports":["from shippinglabel.classifiers import get_valid_classifiers","from shippinglabel.requirements import parse_requirements","from shippinglabel.checksum import checksum_package"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from shippinglabel.classifiers import get_valid_classifiers\n\n# Get all valid PyPI classifiers as a frozenset\nclassifiers = get_valid_classifiers()\nprint(f\"Total valid classifiers: {len(classifiers)}\")\n\n# Check if a specific classifier is valid\nis_python3_only_valid = \"Programming Language :: Python :: 3 :: Only\" in classifiers\nprint(f\"'Programming Language :: Python :: 3 :: Only' is valid: {is_python3_only_valid}\")\n\nis_non_existent_valid = \"Operating System :: Brainfuck\" in classifiers\nprint(f\"'Operating System :: Brainfuck' is valid: {is_non_existent_valid}\")","lang":"python","description":"This quickstart demonstrates how to use the `shippinglabel.classifiers` module to programmatically retrieve and validate PyPI classifiers. It fetches the complete set of valid classifiers and checks for the presence of specific ones.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-18","installed_version":"2.3.0","pypi_latest":"2.3.0","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":2.3,"avg_import_s":null,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"20.5M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.6,"import_time_s":null,"mem_mb":null,"disk_size":"21M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"22.7M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.1,"import_time_s":null,"mem_mb":null,"disk_size":"23M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"14.4M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2,"import_time_s":null,"mem_mb":null,"disk_size":"15M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"14.2M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2,"import_time_s":null,"mem_mb":null,"disk_size":"15M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":"20.0M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"shippinglabel","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"broken","install_time_s":2.7,"import_time_s":null,"mem_mb":null,"disk_size":"21M"}]}}