xonsh/news/env-reg-dereg.rst
David Dotson a8d4a57f01
Environment variable registration, deregistration (addresses #3227) (#3377)
* First attempt at register/deregister machinery for envvars

* Added detailed docstring, simplified ensurers

Also added some type checking that became clear from docstring writing.

* Changes in response to @scopatz review

Simplified kwarg names.

* defaultval -> default

* Created new Var namedtuple, as well as DEFAULT_VARS

We should now delete DEFAULT_ENSURERS, DEFAULT_VALUES, DEFAULT_DOCS, and
refactor Env to use the new single namedtuple and the DEFAULT_VARS dict

* Removed DEFAULT_ENSURERS, DEFAULT_VALUES, DEFAULT_DOCS

Now need to edit Env to use new DEFAULT_VARS, Var namedtuple

* Finished updating Env object to use new combined Var

Also made corresponding changes elsewhere ensurer was used

* Working on test failures

* More fixes in light of test failures

* Set default values for Var in register.

There's a bit of duplication here, but makes for a cleaner function.

* Black reformatting on environ.py

* Removed history replay

* Added register tests

* Added addtional deregistration test

* Removed all replay references, in docs too

* Added news item for env-reg-dereg

* trigger rebuild

* doc fix

* more doc fixes

* again

* attr names

* reorder imports

* fix flake error

Co-authored-by: Anthony Scopatz <scopatz@gmail.com>
2020-08-05 10:39:11 -04:00

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**Added:**
* <news item>
**Changed:**
* Added ability to register, deregister environment variables;
centralized environment default variables
**Deprecated:**
* <news item>
**Removed:**
* Removed history replay
**Fixed:**
* <news item>
**Security:**
* <news item>