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Respect user-specified coordinates attribute.#3487

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dcherian merged 23 commits intopydata:masterfrom
dcherian:fix/user-coordinates
Dec 10, 2019
Merged

Respect user-specified coordinates attribute.#3487
dcherian merged 23 commits intopydata:masterfrom
dcherian:fix/user-coordinates

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@dcherian dcherian commented Nov 5, 2019 •
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A minimally invasive solution to #3351. If variable.encoding["coordinates"] is specified, we write that attribute to disk and warn the user that roundtripping may not work.

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dcherian commented Nov 5, 2019

@jhamman your input would be appreciated here if you have the time.

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dcherian commented Nov 6, 2019

updated tests and fixed whats-new

@dcherian dcherian changed the title Respect user-specified coordinates attribute. [WIP] Respect user-specified coordinates attribute. Nov 8, 2019
@dcherian
Merge remote-tracking branch 'upstream/master' into fix/user-coordinates
d49ceef 
* upstream/master:
  add missing pint integration tests (pydata#3508)
  DOC: update bottleneck repo url (pydata#3507)
  add drop_sel, drop_vars, map to api.rst (pydata#3506)
  remove syntax warning (pydata#3505)
  Dataset.map, GroupBy.map, Resample.map (pydata#3459)
  tests for datasets with units (pydata#3447)
  fix pandas-dev tests (pydata#3491)
  unpin pseudonetcdf (pydata#3496)
  whatsnew corrections (pydata#3494)
  drop_vars; deprecate drop for variables (pydata#3475)
  uamiv test using only raw uamiv variables (pydata#3485)
  Optimize dask array equality checks. (pydata#3453)
@dcherian
Merge branch 'fix/user-coordinates' of github.com:dcherian/xarray int…
bb62590 
…o fix/user-coordinates

* 'fix/user-coordinates' of github.com:dcherian/xarray:
@dcherian
fix whats-new
0abe242
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max-sixty commented Nov 14, 2019

Shall we merge?

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[minor] add comments
1a42c6c
@dcherian
Merge remote-tracking branch 'upstream/master' into fix/user-coordinates
e1a3823 
* upstream/master:
  Allow appending datetime & boolean variables to zarr stores (pydata#3504)
  warn if dim is passed to rolling operations. (pydata#3513)
  Deprecate allow_lazy (pydata#3435)
  Recursive tokenization (pydata#3515)
  format indexing.rst code with black (pydata#3511)
@dcherian
fix whats-new
1c97c1e
@dcherian
Actually test global "coordinates" handling.
5773e5e
@dcherian dcherian changed the title [WIP] Respect user-specified coordinates attribute. Respect user-specified coordinates attribute. Nov 14, 2019
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dcherian commented Nov 14, 2019

The warnings I added earlier were very annoying so I reworked it.

Now we keep track of all variable names written to a "coordinates" attribute. Any names that are not written are added to a global "coordinates" attribute. I've also fixed the global attribute test to actually test that behaviour :)

dcherian and others added 5 commits November 14, 2019 08:45
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filerwarning not necessary.
670f97f
@dcherian
Merge branch 'master' into fix/user-coordinates
e1c48c9
@dcherian
Merge remote-tracking branch 'upstream/master' into fix/user-coordinates
77c7c0f 
* upstream/master: (35 commits)
  fix plotting with transposed nondim coords. (pydata#3441)
  make coarsen reductions consistent with reductions on other classes (pydata#3500)
  Resolve the version issues on RTD (pydata#3589)
  Add bottleneck & rasterio git tip to upstream-dev CI (pydata#3585)
  update whats-new.rst (pydata#3581)
  Examples for quantile (pydata#3576)
  add cftime intersphinx entries (pydata#3577)
  Add pyXpcm to Related Projects doc page (pydata#3578)
  Reimplement quantile with apply_ufunc (pydata#3559)
  add environment file for binderized examples (pydata#3568)
  Add drop to api.rst under pending deprecations (pydata#3561)
  replace duplicate method _from_vars_and_coord_names (pydata#3565)
  propagate indexes in to_dataset, from_dataset (pydata#3519)
  Switch examples to notebooks + scipy19 docs improvements (pydata#3557)
  fix whats-new.rst (pydata#3554)
  Tweaks to release instructions (pydata#3555)
  Clarify conda environments for new contributors (pydata#3551)
  Revert to dev version
  0.14.1 whatsnew (pydata#3547)
  sparse option to reindex and unstack (pydata#3542)
  ...
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Merge branch 'fix/user-coordinates' of github.com:dcherian/xarray int…
d5d3734 
…o fix/user-coordinates

* 'fix/user-coordinates' of github.com:dcherian/xarray:
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dcherian commented Dec 10, 2019 •
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I'm going to merge this. I'm happy to address any comments in future PRs.

This is a step forward because:

  1. This change now lets xarray roundtrip datasets that have "coordinates" attributes specified.
  2. It also lets users specify a coordinates attribute and writes it to disk (this raised an error earlier).
  3. Xarray should now set the not-CF-compliant "global" coordinates attribute in fewer cases than earlier.

@dcherian dcherian merged commit 2ee89c3 into pydata:master Dec 10, 2019
@dcherian dcherian deleted the fix/user-coordinates branch December 10, 2019 16:02
dcherian added a commit to dcherian/xarray that referenced this pull request Dec 30, 2019
@dcherian
Merge remote-tracking branch 'upstream/master' into dask-median
42a7ed3 
* upstream/master:
  added pyinterp to related projects (pydata#3655)
  Allow incomplete hypercubes in combine_by_coords (pydata#3649)
  concat keeps attrs from first variable. (pydata#3637)
  Extend DatetimeAccessor properties and support `.dt` accessor for Timedelta (pydata#3612)
  update readthedocs.yml (pydata#3639)
  silence sphinx warnings round 3 (pydata#3602)
  Fix/quantile wrong errmsg (pydata#3635)
  Provide shape info in shape mismatch error. (pydata#3619)
  Minor doc fixes (pydata#3615)
  Respect user-specified coordinates attribute. (pydata#3487)
  Add Facetgrid.row_labels & Facetgrid.col_labels (pydata#3597)
  Fix pint integration tests (pydata#3600)
  Minor fix to combine_by_coords to allow for the combination of CFTimeIndexes separated by large time intervals (pydata#3543)
dcherian added a commit to dcherian/xarray that referenced this pull request Dec 30, 2019
@dcherian
Merge branch 'master' of github.com:pydata/xarray into chunk-unique-t…
d40a88d 
…oken

* 'master' of github.com:pydata/xarray:
  Add nanmedian for dask arrays (pydata#3604)
  added pyinterp to related projects (pydata#3655)
  Allow incomplete hypercubes in combine_by_coords (pydata#3649)
  concat keeps attrs from first variable. (pydata#3637)
  Extend DatetimeAccessor properties and support `.dt` accessor for Timedelta (pydata#3612)
  update readthedocs.yml (pydata#3639)
  silence sphinx warnings round 3 (pydata#3602)
  Fix/quantile wrong errmsg (pydata#3635)
  Provide shape info in shape mismatch error. (pydata#3619)
  Minor doc fixes (pydata#3615)
  Respect user-specified coordinates attribute. (pydata#3487)
  Add Facetgrid.row_labels & Facetgrid.col_labels (pydata#3597)
  Fix pint integration tests (pydata#3600)
  Minor fix to combine_by_coords to allow for the combination of CFTimeIndexes separated by large time intervals (pydata#3543)
dcherian added a commit to dcherian/xarray that referenced this pull request Dec 30, 2019
@dcherian
Merge branch 'master' of github.com:pydata/xarray into optimize-lazy-…
9291b91 
…equiv

* 'master' of github.com:pydata/xarray: (28 commits)
  Add nanmedian for dask arrays (pydata#3604)
  added pyinterp to related projects (pydata#3655)
  Allow incomplete hypercubes in combine_by_coords (pydata#3649)
  concat keeps attrs from first variable. (pydata#3637)
  Extend DatetimeAccessor properties and support `.dt` accessor for Timedelta (pydata#3612)
  update readthedocs.yml (pydata#3639)
  silence sphinx warnings round 3 (pydata#3602)
  Fix/quantile wrong errmsg (pydata#3635)
  Provide shape info in shape mismatch error. (pydata#3619)
  Minor doc fixes (pydata#3615)
  Respect user-specified coordinates attribute. (pydata#3487)
  Add Facetgrid.row_labels & Facetgrid.col_labels (pydata#3597)
  Fix pint integration tests (pydata#3600)
  Minor fix to combine_by_coords to allow for the combination of CFTimeIndexes separated by large time intervals (pydata#3543)
  Fix map_blocks HLG layering (pydata#3598)
  Silence sphinx warnings: Round 2 (pydata#3592)
  2x~5x speed up for isel() in most cases (pydata#3533)
  remove xarray again (pydata#3591)
  fix plotting with transposed nondim coords. (pydata#3441)
  make coarsen reductions consistent with reductions on other classes (pydata#3500)
  ...
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custom "coordinates" attribute

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@dcherian @max-sixty @jhamman