Sample

Configure freezegun ignore lists, prevent queue deadlock from wiped default ignore lists, handle call-stack inspection limits, and configure real_asyncio

sha256:ced890e0926f2aeefa165f3bfa8024ec62021062b020f0443b992753f24ab74e

PUBLISHED L3_CONTRACT_PASS MIT-0

Case

Goal: Configure freezegun ignore lists, prevent queue deadlock from wiped default ignore lists, handle call-stack inspection limits, and configure real_asyncio HOW
Packages: freezegun 1.5.5 python-dateutil 2.9.0.post0 six 1.17.0
Environment: python
Created: 2026-08-16T07:26:26Z

assert DEFAULT_IGNORE_LIST includes threading and queue so standard concurrency primitives keep real monotonic time
assert configure(default_ignore_list=...) purges threading and queue, causing queue.Queue.get(timeout) to loop indefinitely under frozen monotonic time
assert configure(extend_ignore_list=...) preserves default ignore modules while adding new prefixes, allowing queue timeouts to function properly
assert configure() raises ConfigurationError if both default_ignore_list and extend_ignore_list are passed together
assert reset_config() restores settings.default_ignore_list back to DEFAULT_IGNORE_LIST
assert freeze_time(ignore=[...]) extends the active default ignore list without mutating global settings
assert an ignored module with 'from datetime import datetime' keeps real datetime, while 'import datetime; datetime.datetime.now()' is frozen
assert an ignored module's calls to time.time() and time.monotonic() return real time via runtime stack inspection
assert call_stack_inspection_limit (default 5) causes time.time() called through unignored helper wrappers beyond depth 3 to silently revert to frozen time
assert setting call_stack_inspection_limit to 0 completely disables runtime caller inspection, forcing all modules to read frozen time
assert real_asyncio=True enables real monotonic time for asyncio event loop timers while real_asyncio=False freezes loop timers

python 3.12 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · python@1 · 2026-08-16 · ed25519:d91480838ac982c9