* Add additional parameters to Schema for validation and annotation (#311)
* Add tests for validation declared via Schema class in defaults
* Add validations to field from declarations in Schema
* Add annotations in generated JSON Schema from validations via Schema
* Augment tests for schema generation
* Simplify validations from Schema in fields, from coverage hints
* Update schema test to use the spec plural "examples"
* Add docs and simple example of the additional parameters for Schema
* Update history
* Fix number of PR in HISTORY
* Refactor check for numeric types, remove break to make coverage happy
* Fix typo in docs, I confused gt with maximum
* Finish docstring for Schema (I had forgotten about it)
* Implement code review requests and lenient_issubclass with tests
* Move Schema to its now file to extract from fields.py but avoid circular imports
* Control coverage
* Schema fixes (#318)
* rearrange code
* cleanup get_annotation_from_schema
* fix typo
* rename _schema to schema
* Update schema tests to conform to JSON Schema spec
* Add JSON Schema tests for all supported types
including datetime and all supported Pydantic.types
* Add JSON Schema conforming schema sub module
* Update BaseModel to use schema module for JSON Schema generation
and update/simplify internal Schema methods
* Remove Schema code from Field class, replaced with JSON Schema module
* Add submodules to test model name generation for JSON Schemas
* Refactor/rewrite schema module to generate definions and refs
* Update and augment JSON Schema tests to include definitions and refs
and generation of a single JSON Schema with definitions from multiple (unrelated) models
* Add ref_prefix functionality to JSON Schema generation functions
* Test custom ref_prefix in JSON Schema generation
* Remove un-used BaseModel method, now refactored to schema module
* Update formating of test_schema
* Fix long lines in test_schema
* Fix imported but unused in fields
* Fix imported but unused in main.py
* Ignore imported but unused for testing modulec
* Refactor schema module for complexity
* Add conflicting name model to raise coverage
* Add conflicting model to test other flow and raise coverage
* Ignore complexity as destructuring more would make it more complex
and more difficult to understand, similar to .fields.validate
* Fix import sorting
* Update formatting with black, with CI settings
* Fix test for schemas with email validation
* Check if field is class before checking if is subclass
* Improve schema error when using unsuported types
* Add additional tests for corner cases, raise coverage to 100%
* Rename BaseModel.schema_json to schema_str (EAFP Python style)
* Add more tests to utils.display_as_type to increase the coverage for enums
* Remove unused catched error in schema tests
* Fix formatting with black
* Update docs schema example
* Add schema examples for top-level schema with multiple models
* Update docs, section Schema, with new JSON Schema generation details
* Update docs, history, with new features
* Update fields, remove unnecessary schema code for enums
* Update docs, fix links and typos in Schema section
* Trigger CI, as Python 3.7-dev seems to have random CI errors
* Revert Model.schema_str to Model.schema_json as requested
* Remove unnecessary assert in schema module as requested
* Remove annotations in internal functions, as requested
* Refactor get_flat_models_from_fields and reuse
* Use set short assignment syntax in schema module
* Remove unwanted assertion
* Make get_long_model_name a single line f-string
* Update model_name_map, add docstring and remove first return value
* Simplify dict operation in get_model_name_map as requested
* Make more concise model_name_map computation
* Remove bool from field check in schema as is subclass of int
* Make ref_prefix default to None and use global default
* Fix formatting for schema.py
* Refactor field_singleton_schema to use data structures
* Move main functions to top of schema, and add docstrings for them
* Implement __all__, move and order parts of schema
* Remove schema testing sub-package code as requested
* Generate schema testing subpackage in code
* Update schema tests with several related fields to use parametrized pytest
* Fix formatting and imports I missed after rebase
* Fix new formatting errors from CI
* Re-trigger Travis CI, Python 3.7-dev random error again, no re-run click in Travis for non owners
* Trigger annotation error with non-forward references
* Add docstrings for submodel schema
* tweaks and rewrite schema mapping table in python
* support complex defaults
* use str not int as dict keys
* Fix links to JSON Schema and OpenAPI
Samuel Colvin