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توضیحات

implementation of PEP0418 with the "Choosing the clock from a list of constraints" get_clock() and get_clocks() functions

ویژگی	مقدار
سیستم عامل	-
نام فایل	cs.clockutils-20190101
نام	cs.clockutils
نسخه کتابخانه	20190101
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Cameron Simpson
ایمیل نویسنده	cs@cskk.id.au
آدرس صفحه اصلی	https://bitbucket.org/cameron_simpson/css/commits/all
آدرس اینترنتی	https://pypi.org/project/cs.clockutils/
مجوز	-

A framework to present system clocks by feature, intended to avoid the library-as-policy pitfalls of the discussion around PEP 418. My 2c: * http://www.gossamer-threads.com/lists/python/dev/977474#977474 * http://www.gossamer-threads.com/lists/python/dev/977495#977495 or: * http://www.mail-archive.com/python-dev@python.org/msg66174.html * http://www.mail-archive.com/python-dev@python.org/msg66179.html - Cameron Simpson <cs@cskk.id.au> 02apr2012 ## Class `BaseClock` A BaseClock is the private base class of clock objects. A clock has the following mandatory attributes: * `.flags`: Feature flags describing the clock. A clock may have the following optional attributes: * `.epoch`: If present, the offset from time.time()'s epoch of this clock's epoch(). Not all clocks have epochs; some measure elapsed time from an unknown point and only the difference in two measurements is useful. * `.resolution`: The resolution of the underlying clock facility's reporting units. The clock can never be more precise than this value. The actual accuracy of the reported time may vary with adjustments and the real accuracy of the underlying OS clock facility (which in turn may be dependent on the precision of some hardware clock). A clock must also supply the following methods: * `.now()`: Report the current time in seconds, a float. ## Class `ClockEntry` MRO: `builtins.tuple` ClockEntry(flags, factory) ## Class `ClockFlags` MRO: `builtins.int` An int with human friendly str() and repr() for clock flags. The flag names are: * `HIGHRES`: clock with the highest resolution. * `MONOTONIC`: clock does not go backwards. * `STEADY`: clock with high *stability* and relatively high *accuracy* and *precision*. * `ADJUSTED`: clock whose value may be changed to the correct time. * `WALLCLOCK`: what the clock on the wall shows. * `RUNTIME`: clock based on the process running time. * `SYNTHETIC`: clock computed from other clocks, such as a monotonic clock computed from other nonmonotonic clocks. ## Function `get_clock(flags=0, clocklist=None)` Return a clock based on the supplied `flags`. The returned clock shall have all the requested flags. If no clock matches, return None. ## Function `get_clocks(flags=0, clocklist=None)` Yield all clocks matching the supplied `flags`. The returned clocks shall have all the requested flags. ## Function `highres()` Return the current time according to the default high resolution clock. ## Function `highres_clock(other_flags=0)` Return a high resolution clock, preferably steady. ## Function `monotonic()` Return the current time according to the default monotonic clock. ## Function `monotonic_clock(other_flags=0)` Return a monotonic clock, preferably high resolution. ## Function `steady()` Return the current time according to the default steady clock. ## Function `steady_clock(other_flags=0)` Return a steady clock, preferably high resolution. ## Class `SyntheticMonotonic` MRO: `BaseClock` An example synthetic clock. This class comes after time.time() because I think synthetic clocks should be less desired - they tend to have side effects; but perhaps offered anyway because they can offer flag combinations not always presented by the system clocks. A simple synthetic monotonic clock may skew with respect to other instances. Steven D'Aprano wrote a better one.

نحوه نصب

نصب پکیج whl cs.clockutils-20190101:

pip install cs.clockutils-20190101.whl

نصب پکیج tar.gz cs.clockutils-20190101:

pip install cs.clockutils-20190101.tar.gz