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PyPI · #442 most downloaded on PyPI
Let your Python tests travel through time
Last release 1 years ago
09 Aug 2025
Release timing varies
gaps range from 9 days to 1.3 years
Some releases are documented
notes for 25 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
14 years old
68 releases · first in 2012
Allow parametrized arguments called 'func' (Broken in 1.5.4)
Fix: Ability to yield fixtures (broken in 1.5.3)
Fix compatibility with pytest 8.4.0 when using fixtures
One column per quarter.
Explicitly marks support for Python 3.13
Fix the typing of the tick() method, and improve it's behaviour.
tick() method, and improve it's behaviour.The default ignore list now contains the queue-package
queue-packagemove_to-function when calling freeze_time(tick=True)time.time_ns()configure(default_ignore_list=[]))tick() methods now return the new datetime (instead of None)asyncio-support from 1.3.x introduced quite a few bugs, so that functionality is now hidden behind a flag: with freeze_time('1970-01-02', real_asyncio
asyncio-support from 1.3.x introduced quite a few bugs, so that functionality is now hidden behind a flag:
with freeze_time('1970-01-02', real_asyncio=True):real_asyncio parameter in the README.rst file.Fixed the release number in the build
Fixed asyncio support to avoid await asyncio.sleep(1) hanging forever.
Fixed asyncio support to avoid await asyncio.sleep(1) hanging forever.
Added support for Python 3.12
Removes Python 3.6 support, which reached its EOL on 2021-12-23 (https://devguide.python.org/versions/?highlight=End-of-life#unsupported-versions).
Removes Python 3.6 support, which reached its EOL on 2021-12-23 (https://devguide.python.org/versions/?highlight=End-of-life#unsupported-versions).
Improved static typing definitions
Don't freeze pytest timings. This avoids class-level decorator usage messing with pytest timings.
Pass through all setUp and tearDown arguments
Added missing typeshed types from distribution
Added missing typeshed types from distribution
Pass all arguments on recursive freeze_time calls
Add support for time.perf_counter (and …_ns)
Add support for time.perf_counter (and …_ns)
Added typeshed types
Dropped support for python 3.5
Add support for time.monotonic (and …_ns)
Add support for time.monotonic (and …_ns)
Allow to configure default ignore list, and also to just extend the default
Fixed when accessing from thread after stop()
Added as_kwarg argument in order to have the frozen time object passed with the name provided in as_kwarg argument
Fix locale timestamp bug. CC #328
* Fix calendar.timegm behavior
* Fix for Py3.8 * Reset time.time_ns on stop
Patch time.time_ns added in Python 3.7
* Performance improvements * Fix nesting time.time * Add nanosecond property
* Performance improvements * Coroutine support
If no time to be frozen, use current time
Add move_to method to change time
move_to method to change time* Fix CPython detection
Catch TypeError when fetching attribute values
Add tick argument to allow time to move forward
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