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Backport PR #3156 on branch 3.0.9 (Create read only copy if needed when opening a store path) #3182

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@d-v-b d-v-b commented Jun 30, 2025

[Description of PR]

TODO:

  • Add unit tests and/or doctests in docstrings
  • Add docstrings and API docs for any new/modified user-facing classes and functions
  • New/modified features documented in docs/user-guide/*.rst
  • Changes documented as a new file in changes/
  • GitHub Actions have all passed
  • Test coverage is 100% (Codecov passes)

…opers#3156)

* Create read only copy if needed when opening a store path

* Add ValueError to Raises section

* Update expected warning

* Update src/zarr/storage/_common.py

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>

* Use ANY_ACCESS_MODE

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update changes

* Try using get_args on definition

* Revert "Try using get_args on definition"

This reverts commit 7ad760f.

* Add test

* Remove warning

* Apply suggestion for try; except shortening

Co-authored-by: Tom Nicholas <tom@earthmover.io>

* Improve code coverage

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>
(cherry picked from commit 5731c6c)
@d-v-b d-v-b changed the base branch from main to 3.0.9 June 30, 2025 09:23
@d-v-b d-v-b merged commit 1064262 into zarr-developers:3.0.9 Jun 30, 2025
1 of 3 checks passed
@d-v-b d-v-b deleted the auto-backport-of-pr-3156-on-3.0.9 branch June 30, 2025 09:23
d-v-b added a commit that referenced this pull request Jul 9, 2025
* Enable tests on 3.0.x branch (#3135)

* Changelog for 3.0.9

* Backport PR #3149: Add GroupNotFound error to API docs (#3179)

Co-authored-by: David Stansby <dstansby@gmail.com>

* Backport PR #3140: Suppress FileNotFoundError when deleting keys in the obstore adapter (#3180)

Co-authored-by: Lukas Bindreiter <lukas.bindreiter@tilebox.com>

* Backport PR #3138: Add with_read_only() convenience method to store (#3181)

Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>

* Create read only copy if needed when opening a store path (#3156)

* Create read only copy if needed when opening a store path

* Add ValueError to Raises section

* Update expected warning

* Update src/zarr/storage/_common.py

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>

* Use ANY_ACCESS_MODE

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update changes

* Try using get_args on definition

* Revert "Try using get_args on definition"

This reverts commit 7ad760f.

* Add test

* Remove warning

* Apply suggestion for try; except shortening

Co-authored-by: Tom Nicholas <tom@earthmover.io>

* Improve code coverage

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>
(cherry picked from commit 5731c6c)

* Create read only copy if needed when opening a store path (#3156) (#3182)

* Create read only copy if needed when opening a store path

* Add ValueError to Raises section

* Update expected warning

* Update src/zarr/storage/_common.py



* Use ANY_ACCESS_MODE

* Update src/zarr/storage/_common.py



* Update src/zarr/storage/_common.py



* Update changes

* Try using get_args on definition

* Revert "Try using get_args on definition"

This reverts commit 7ad760f.

* Add test

* Remove warning

* Apply suggestion for try; except shortening



* Improve code coverage

---------




(cherry picked from commit 5731c6c)

Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>

* Remove breaking check about `auto_mkdir` for FSSpecStore (#3193)

* Remove breaking check from _make_async

* Update expected error

* Change import structure to protect against AttributeError

* changelog

* add test to ensure that we can create a read-only copy of the store with auto_mkdir=False

* only test if the async wrapper is available

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
(cherry picked from commit 5a24487)

* Remove breaking check about `auto_mkdir` for FSSpecStore (#3193) (#3203)

* Remove breaking check from _make_async

* Update expected error

* Change import structure to protect against AttributeError

* changelog

* add test to ensure that we can create a read-only copy of the store with auto_mkdir=False

* only test if the async wrapper is available

---------


(cherry picked from commit 5a24487)

Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>

* Add missing import for AsyncFileSystemWrapper for `_make_async` in `_fsspec.py` (#3195)

* Add missing import for AsyncFileSystemWrapper in `_fsspec.py`

* Add missing changelog entry for AsyncFileSystemWrapper import fix

* Move AsyncFileSystemWrapper import past the version check in `_fsspec.py`

* Add newline after AsyncFileSystemWrapper import in `_fsspec.py`

* Simplify import statement for AsyncFileSystemWrapper in `_fsspec.py`

---------

Co-authored-by: Altay Sansal <altay.sansal@tgs.com>
(cherry picked from commit 97aa42f)

* Auto backport of pr 3195 on 3.0.10 (#3204)

* Remove breaking check about `auto_mkdir` for FSSpecStore (#3193)

* Remove breaking check from _make_async

* Update expected error

* Change import structure to protect against AttributeError

* changelog

* add test to ensure that we can create a read-only copy of the store with auto_mkdir=False

* only test if the async wrapper is available

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
(cherry picked from commit 5a24487)

* Add missing import for AsyncFileSystemWrapper for `_make_async` in `_fsspec.py` (#3195)

* Add missing import for AsyncFileSystemWrapper in `_fsspec.py`

* Add missing changelog entry for AsyncFileSystemWrapper import fix

* Move AsyncFileSystemWrapper import past the version check in `_fsspec.py`

* Add newline after AsyncFileSystemWrapper import in `_fsspec.py`

* Simplify import statement for AsyncFileSystemWrapper in `_fsspec.py`

---------

Co-authored-by: Altay Sansal <altay.sansal@tgs.com>
(cherry picked from commit 97aa42f)

---------

Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: Altay Sansal <tasansal@users.noreply.github.com>
Co-authored-by: Altay Sansal <altay.sansal@tgs.com>

* 3.0.9 release notes (#3183)

* Create read only copy if needed when opening a store path (#3156)

* Create read only copy if needed when opening a store path

* Add ValueError to Raises section

* Update expected warning

* Update src/zarr/storage/_common.py

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>

* Use ANY_ACCESS_MODE

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update src/zarr/storage/_common.py

Co-authored-by: David Stansby <dstansby@gmail.com>

* Update changes

* Try using get_args on definition

* Revert "Try using get_args on definition"

This reverts commit 7ad760f.

* Add test

* Remove warning

* Apply suggestion for try; except shortening

Co-authored-by: Tom Nicholas <tom@earthmover.io>

* Improve code coverage

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>
(cherry picked from commit 5731c6c)

* release notes

---------

Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: David Stansby <dstansby@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>

* release notes

---------

Co-authored-by: Lumberbot (aka Jack) <39504233+meeseeksmachine@users.noreply.github.com>
Co-authored-by: Lukas Bindreiter <lukas.bindreiter@tilebox.com>
Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>
Co-authored-by: Tom Nicholas <tom@earthmover.io>
Co-authored-by: Altay Sansal <tasansal@users.noreply.github.com>
Co-authored-by: Altay Sansal <altay.sansal@tgs.com>
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