Benjamin Greiner
cfce1f9c52
* The printed appearance of both vectors and of vector
functions like Earth locations and Earth satellites
have been rewritten to be more informative and
consistent.
* Added compute_calendar_date() which lets the caller
choose the Julian calendar for ancient dates instead of
always using the proleptic Gregorian calendar. This
should be particularly useful for historians.
* Added J() that builds a time array from an array of
floating point years. #436
* Added four new strftime methods for the non-UTC
timescales (#443). All four of them support %f for
microseconds, and provide a reasonable default format
string for callers who don’t wish to concoct their own:
tai_strftime()
tt_strftime()
tdb_strftime()
ut1_strftime()
* Thanks to several fixes, comets and asteroids with
parabolic and hyperbolic orbits should now raise fewer
errors.
* The prototype planetary_magnitude() can now return
magnitudes for Uranus without raising an exception. The
routine does not yet take into account whether the
observer is facing the equator or poles of Uranus, so
the magnitude predicted for the planet will only be
accurate to within about 0.1 magnitudes.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:numeric/python-skyfield?expand=0&rev=22
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-------------------------------------------------------------------
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Wed Sep 16 09:53:08 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update to version 1.27
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* The printed appearance of both vectors and of vector
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functions like Earth locations and Earth satellites
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have been rewritten to be more informative and
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consistent.
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* Added compute_calendar_date() which lets the caller
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choose the Julian calendar for ancient dates instead of
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always using the proleptic Gregorian calendar. This
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should be particularly useful for historians.
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* Added J() that builds a time array from an array of
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floating point years. #436
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* Added four new strftime methods for the non-UTC
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timescales (#443). All four of them support %f for
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microseconds, and provide a reasonable default format
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string for callers who don’t wish to concoct their own:
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tai_strftime()
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tt_strftime()
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tdb_strftime()
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ut1_strftime()
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* Thanks to several fixes, comets and asteroids with
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parabolic and hyperbolic orbits should now raise fewer
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errors.
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* The prototype planetary_magnitude() can now return
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magnitudes for Uranus without raising an exception. The
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routine does not yet take into account whether the
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observer is facing the equator or poles of Uranus, so
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the magnitude predicted for the planet will only be
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accurate to within about 0.1 magnitudes.
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-------------------------------------------------------------------
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Thu Aug 6 14:20:08 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update assay to commit 256.23c18c2 in order to fix non x86 builds
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-------------------------------------------------------------------
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Sun Aug 2 11:51:04 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update to version 1.26
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* The official ∆T files on NASA’s FTP server have stopped receiving
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updates — they have no new data beyond February, the start of the
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global pandemic. Unless they are updated by next February, older
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versions of Skyfield will unfortunately download the files all over
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again every time `skyfield.iokit.Loader.timescale()` is called
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(unless the ``builtin=True`` parameter is provided). To make Skyfield
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less fragile going forward:
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1. The loader’s `skyfield.iokit.Loader.timescale()` method now
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defaults to ``builtin=True``, telling it to use the ∆T and leap
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second files that ship with Skyfield internally. To download new
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∆T files from NASA and the leap second file from the International
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Earth Rotation Service, specify ``builtin=False``.
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2. The concept of an “expired” file has been removed from ``load()``.
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Skyfield is now much simpler: if a file with the correct name
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exists, Skyfield uses it. See `downloading-timescale-files`
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if you still want your application to check the age of your
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timescale files and automatically download new ones.
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* The `ICRF.separation_from()` method now officially supports the
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combination of an array of positions with a single reference position!
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Its previous support for that combination was, alas, accidental, and
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was broken with the 1.23 release.
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`#414 <https://github.com/skyfielders/python-skyfield/issues/414>`
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`#424 <https://github.com/skyfielders/python-skyfield/issues/424>`
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* A prototype `skyfield.magnitudelib.planetary_magnitude()`
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routine has been added with support for several planets.
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`#210 <https://github.com/skyfielders/python-skyfield/issues/210>`
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* The ``utc`` timezone that Skyfield returns in Python datetimes is now
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either the Python Standard Library’s own UTC object, if it supplies
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one, or else is defined by Skyfield itself. Skyfield no longer
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silently tries importing the whole ``pytz`` package merely to use its
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UTC object — which also means that the timezone returned by Skyfield
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longer offers the non-standard ``localize()`` method.
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`#413 <https://github.com/skyfielders/python-skyfield/issues/413>`
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- make builds reproducible gh#skyfielders/python-skyfield#415
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-------------------------------------------------------------------
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Sat Jul 25 11:43:28 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update to version 1.25
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* Added skyfield.data.stellarium.parse_constellations()
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and skyfield.data.stellarium.parse_star_names()
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to load Stellarium star names and constellation lines.
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Constellation lines are featured in a new example script
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neowise-chart that produces a finder chart for
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comet C/2020 F3 NEOWISE.
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* The Hipparcos star catalog should now load faster, having
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switched behind the scenes to a higher performance Pandas
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import routine.
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* Fixed the ability of skyfield.timelib.Timescale.utc()
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to accept a Python datetime.date object as its argument.
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#409
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* Slightly lowered the precision of two tests when they
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detect that Python is compiled for a 32-bit processor, so
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the test suite can succeed when contributors package
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Skyfield for 32-bit Linux. #411
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- use upstreams custom test runner 'assay'
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* The runner does not have any releases yet. No package
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available, so use assay-master-252.79f5d78.tar.gz directly
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* drop skyfield-pr405-replace-assay-by-pytest.patch
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* gh#brandon-rhodes/assay#6, gh#skyfielders/python-skyfield#405
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- the unit test expect a truncated hipparcos catalog
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* generate-hipparcos.sh
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* hip_main.dat.gz
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- drop skyfield-pr404-comparefloat.patch addressed upstream
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gh#skyfielders/python-skyfield#404
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gh#skyfielders/python-skyfield#411
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-------------------------------------------------------------------
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Wed Jul 22 14:42:06 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- release precision for i586 test
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gh#skyfielders/python-skyfield#411
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-------------------------------------------------------------------
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Wed Jul 22 14:13:46 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update to Version 1.24
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* Added methods :meth:`~skyfield.timelib.Timescale.from_datetime()`
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and :meth:`~skyfield.timelib.Timescale.from_datetimes()` to
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the :class:`~skyfield.timelib.Timescale` class, to
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better advertise the ability to build a Skyfield time
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from a Python datetime — an ability that was previously
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overloaded into the year parameter of the
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:meth:`~skyfield.timelib.Timescale.utc()` method (where
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it is still supported for backwards compatibility, but
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no longer documented).
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* Fix: improved the accuracy with which velocity is
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converted between the Earth-fixed ITRF frame that rotates
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with the Earth and the inertial GCRS frame that does not.
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In particular, this should make Earth satellite
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velocities more accurate.
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- rebase patches skyfield-pr404-comparefloat.patch
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and skyfield-pr405-replace-assay-by-pytest.patch
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-------------------------------------------------------------------
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Sun Jul 12 19:12:27 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- fix typo in Patch0 url
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-------------------------------------------------------------------
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Sat Jul 11 19:06:39 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- mention python-skyfield-rpmlintrc to specfile: don't warn about
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matplotlib and html5lib in Requires
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-------------------------------------------------------------------
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Fri Jul 10 14:51:52 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- Update to Version 1.23
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* Added `kepler-orbits` support for generating the positions of comets and
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asteroids from Minor Planet Center data files.
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* Added `skyfield.positionlib.ICRF.is_behind_earth()` to determine whether a
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celestial object is blocked from an Earth satellite’s view by the Earth
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itself.
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* Replaced the awkward and hard-to-explain rough_period search parameter with
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the conceptually simpler step_days parameter, and updated the instructions
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in `searches` to match.
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* Made the `skyfield.iokit.Loader.load.tle_file()` import method less strict
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about Earth satellite names: any text on the line before two lines of TLE
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data is now saved as the satellite name. A parameter skip_names=True turns
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this off if, for particular TLE files, this leads to unwanted text being
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saved
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- directly copy downloaded testfiles as sources
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- move skyfield-openSUSE-comparefloat.patch to skyfield-PR404-comparefloat.patch
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and submit upstream: gh#skyfielders/python-skyfield#404
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- move skyfield-openSUSE-replace-testrunner.patch to
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skyfield-PR405-replace-assay-by-pytest.patch and submit upstream:
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gh#skyfielders/python-skyfield#405
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- disable python2 package
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-------------------------------------------------------------------
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Thu Jul 9 16:51:16 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
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- initial package. Version 1.22
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- provide a bunch of astronomical testdata which would be downloaded
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by the tests on networking hosts
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- skyfield-openSUSE-replace-testrunner.patch:
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replace the author's own test runner 'assay' with regular pytest
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- skyfield-openSUSE-comparefloat.patch:
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refine float comparison failing on some flaky platforms
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