{"library":"pretend","title":"Pretend: A Python Stubbing Library","description":"Pretend is a lightweight Python library designed to simplify the creation of stubs for testing purposes. Stubs are objects that provide pre-canned responses, rather than performing actual computations, making tests more isolated and predictable. The library is currently at version 1.0.9 and, despite less frequent updates, is considered stable and actively maintained for its specific utility within testing frameworks.","language":"python","status":"active","last_verified":"Sun May 17","install":{"commands":["pip install pretend"],"cli":null},"imports":["from pretend import stub","from pretend import raiser","from pretend import call_recorder, call"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from pretend import stub, raiser\n\n# Create a stub with a simple attribute\nuser_stub = stub(country_code=\"US\")\nprint(f\"User country code: {user_stub.country_code}\")\n\n# Create a stub with a method (note: functions on stubs don't take 'self')\ndata_service = stub(fetch_data=lambda: {'id': 1, 'value': 'test'})\nprint(f\"Fetched data: {data_service.fetch_data()}\")\n\n# Create a stub method that raises an exception\nerror_prone_api = stub(fail_action=raiser(ValueError('API error')))\ntry:\n    error_prone_api.fail_action()\nexcept ValueError as e:\n    print(f\"Caught expected error: {e}\")","lang":"python","description":"Demonstrates how to create basic stubs with attributes, methods, and methods that raise exceptions using `pretend.stub` and `pretend.raiser`. Note that functions provided to stubs should not expect a `self` argument.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-17","installed_version":"1.0.9","pypi_latest":"1.0.9","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":1.6,"avg_import_s":0,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"17.8M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.7,"import_time_s":0,"mem_mb":0,"disk_size":"18M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"19.6M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.6,"import_time_s":0,"mem_mb":0,"disk_size":"20M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"11.5M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.4,"import_time_s":0,"mem_mb":0,"disk_size":"12M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"11.2M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.4,"import_time_s":0,"mem_mb":0,"disk_size":"12M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0,"mem_mb":0,"disk_size":"17.3M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"pretend","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.7,"import_time_s":0,"mem_mb":0,"disk_size":"18M"}]}}