v2.1

[seandstewart]

Reasoning

There were a few other things on the roadmap for v2.1, but the changeset has grown to a place where I'd like to get these released and punt the remaining work to the next feature release.

What's in the Box

Bugfixes

• Lazy reprs eval to False, so we should check for a None when deciding on the error message at Constraints validation failure.
• Optional fields for recursive types were not properly reflected when generating the JSON Schema.
• Fields marked with ... for default are no longer considered nullable when generating the JSON Schema, but are still optional.
• Objects are named after their type rather than their field when generating the JSON Schema (#130) (breaking change)
• Structured Tuples are not properly validated or deserialized (#138)

Features

• Adds validation and deserialization for Literal types (#87)
• Adds support for Tagged Unions (#72). See the caveats in (#133)
• Adds typic.environ for typed get/set access of environment variables, and lazy evaluation of defaults for Settings, with clearer error messaging.
• Adds support for datetime.time and datetime.timedelta.
• Small optimizations for Object and Array validation.

[codecov[bot]]

Codecov Report

Merging #139 (76d26e3) into main (47a937f) will decrease coverage by 0.51%. The diff coverage is 91.96%.

@@            Coverage Diff             @@
##             main     #139      +/-   ##
==========================================
- Coverage   93.81%   93.30%   -0.52%     
==========================================
  Files          36       37       +1     
  Lines        3866     4272     +406     
==========================================
+ Hits         3627     3986     +359     
- Misses        239      286      +47     

Flag	Coverage Δ
3.8	93.30% <91.96%> (-0.52%)	:arrow_down:
unittests	93.30% <91.96%> (-0.52%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
typic/constraints/__init__.py	100.00% <ø> (ø)
typic/serde/binder.py	98.38% <ø> (ø)
typic/util.py	89.70% <75.80%> (-1.63%)	:arrow_down:
typic/gen.py	89.58% <77.04%> (-8.40%)	:arrow_down:
typic/serde/translator.py	97.52% <80.00%> (-0.77%)	:arrow_down:
typic/env.py	80.95% <80.95%> (ø)
typic/constraints/common.py	93.18% <92.70%> (+0.35%)	:arrow_up:
typic/constraints/factory.py	99.33% <95.23%> (-0.67%)	:arrow_down:
typic/api.py	96.49% <95.45%> (-0.42%)	:arrow_down:
typic/constraints/array.py	98.00% <96.77%> (-0.75%)	:arrow_down:
... and 16 more

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