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Switch (some) coding/encoding in conventions.py to use xarray.coding. #1803

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merged 6 commits into from
Jan 11, 2018
Merged

Switch (some) coding/encoding in conventions.py to use xarray.coding. #1803

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15644ea
Switch (some) coding/encoding in conventions.py to use xarray.coding.
shoyer Dec 30, 2017
61de0ce
Fix zarr and cmds export
shoyer Dec 31, 2017
f23dfe4
add whats-new and small cleanup
shoyer Jan 10, 2018
4b2ca19
Merge branch 'master' into use-new-variable-coders
shoyer Jan 10, 2018
1b24ef7
Move constant to top of module
shoyer Jan 11, 2018
67f86fc
use _NS_PER_TIME_DELTA
shoyer Jan 11, 2018
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2 changes: 2 additions & 0 deletions doc/whats-new.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,8 @@ Bug fixes
with size one in some dimension can now be plotted, which is good for
exploring satellite imagery (:issue:`1780`).
By `Zac Hatfield-Dodds <https://github.com/Zac-HD>`_.
- Fixed ``UnboundLocalError`` when opening netCDF file `` (:issue:`1781`).
By `Stephan Hoyer <https://github.com/shoyer>`_.
- The ``variables``, ``attrs``, and ``dimensions`` properties have been
deprecated as part of a bug fix addressing an issue where backends were
unintentionally loading the datastores data and attributes repeatedly during
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15 changes: 8 additions & 7 deletions xarray/backends/zarr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@

import numpy as np

from .. import coding
from .. import Variable
from ..core import indexing
from ..core.utils import FrozenOrderedDict, HiddenKeyDict
Expand Down Expand Up @@ -259,13 +260,13 @@ def encode_zarr_variable(var, needs_copy=True, name=None):
raise NotImplementedError("Variable `%s` is an object. Zarr "
"store can't yet encode objects." % name)

var = conventions.maybe_encode_datetime(var, name=name)
var = conventions.maybe_encode_timedelta(var, name=name)
var, needs_copy = conventions.maybe_encode_offset_and_scale(var,
needs_copy,
name=name)
var, needs_copy = conventions.maybe_encode_fill_value(var, needs_copy,
name=name)
for coder in [coding.times.CFDatetimeCoder(),
coding.times.CFTimedeltaCoder(),
coding.variables.CFScaleOffsetCoder(),
coding.variables.CFMaskCoder(),
coding.variables.UnsignedIntegerCoder()]:
var = coder.encode(var, name=name)

var = conventions.maybe_encode_nonstring_dtype(var, name=name)
var = conventions.maybe_default_fill_value(var)
var = conventions.maybe_encode_bools(var)
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