Wemake-python-styleguide

This is just a supporting release.
There are no new features introduced.

Bugfixes

- Fixes [`python3.7` support](https://github.com/wemake-services/wemake-python-styleguide/issues/93)
- Fixes [`AttributeError: 'ExceptHandler' object has no attribute 'depth'`](https://github.com/wemake-services/wemake-python-styleguide/issues/112)

Misc

- Introduced the concept of regression testing, see `test/fixtures/regression`
- Removed `compat.py`
- Fixes some minor typos, problems, markup inside the docs
- Adds some new configuration to `sphinx`
- Changes `sphinx` docs structure a little bit

Features

- Adds `WrongModuleNameViolation`, `WrongModuleMagicNameViolation`,
and `TooShortModuleNameViolation`
- Adds `--min-module-name-length` config option
- Adds a blacklist of module names
- Adds `InitModuleHasLogicsViolation`
- Adds `EmptyModuleViolation`
- Adds a whitelist of magic module names

Bugfixes

- Fixes `Option` class to have have incorrect `type` field, now using strings
- Fixes that `WrongStringTokenVisitor` was not activated

Misc

- Improved typing support
- Now each error has a link to the corresponding constant (if any)
- Improved docs with links to the corresponding configuration flags

This is just a supporting release.
There are no new features introduced.

Bugfixes

- Fixes `Attribute has no 'id'` error
- Fixes `missing 'typing_extension'` error

Misc

- Errors are now tested
- Complexity tests are refactored

Features

- Now all dependencies are direct, they will be installed together
with this package
- Adds direct dependencies, now there's no need to install any extra packages
- Adds `TooDeepNestingViolation` and `TooManyElifsViolation` checks
- Adds `--max-offset-blocks` and `--max-elifs` options
- Adds `TooManyModuleMembersViolation` and `TooManyMethodsViolation` checks
- Adds `--max-module-members` and `--max-methods` options
- Restricts to use `f` strings

Bugfixes

- Removes incorrect `generic_visit()` calls
- Removes some unused `getattr()` calls
- Refactors how options are registered

Misc

- Improved type support for options parsing

Features

- Added new magic methods to the black list
- We now do not count `_` as a variable in `TooManyLocals` check
- We now restrict to nest `lambda`s
- We now allow to configure the minimal variable's name length via `setup.cfg`

Misc

- Refactored how complexity checks are defined
- Refactored how errors are defined
- Now each check has strict `Raises:` policy which lists all possible errors
that this check can find and raise
- Changed how visitors are initialized in tests
- Tests now cover nested classes' explicit bases
- Tests now cover nested classes and functions `noqa` comment

Features

- We now check import aliases to be different from the original name
- Default complexity checks' values have changed

Bugfixes

- ReadTheDocs build is fixed by providing extra dependencies
- Changed how local variables are counted

Misc

- Improved typing support
- Added new documentation sections