feat: case schemas

[marcosschroh]

Available cases:

CAMELCASE = "camelcase"
CAPITALCASE = "capitalcase"
CONSTCASE = "constcase"
LOWERCASE = "lowercase"
PASCALCASE = "pascalcase"
PATHCASE = "PATHCASE"
SNAKECASE = "snakecase"
SPINALCASE = "spinalcase"
TRIMCASE = "trimcase"
UPPERCASE = "uppercase"
ALPHANUMCASE = "alphanumcase"

Usage:

import dataclasses
import typing
from dataclasses_avroschema import AvroModel, types, case

class UserAdvance(AvroModel):
        name: str
        age: int
        pets: typing.List[str]
        accounts: typing.Dict[str, int]
        has_car: bool = False
        favorite_colors: types.Enum = types.Enum(["BLUE", "YELLOW", "GREEN"])
        country: str = "Argentina"
        address: str = None
        md5: types.Fixed = types.Fixed(16)

        class Meta:
            schema_doc = False

UserAdvance.avro_schema(case_type=case.PASCALCASE)

>>> '{"type": "record", "name": "UserAdvance", "fields": [{"name": "Name", "type": "string"}, {"name": "Age", "type": "long"}, {"name": "Pets", "type": {"type": "array", "items": "string", "name": "Pet"}}, {"name": "Accounts", "type": {"type": "map", "values": "long", "name": "Account"}}, {"name": "HasCar", "type": "boolean", "default": false}, {"name": "FavoriteColors", "type": {"type": "enum", "name": "FavoriteColor", "symbols": ["BLUE", "YELLOW", "GREEN"]}}, {"name": "Country", "type": "string", "default": "Argentina"}, {"name": "Address", "type": ["null", "string"], "default": null}, {"name": "Md5", "type": {"type": "fixed", "name": "Md5", "size": 16}}]}'

# Normal schema
UserAdvance.avro_schema()

>>> '{"type": "record", "name": "UserAdvance", "fields": [{"name": "name", "type": "string"}, {"name": "age", "type": "long"}, {"name": "pets", "type": {"type": "array", "items": "string", "name": "pet"}}, {"name": "accounts", "type": {"type": "map", "values": "long", "name": "account"}}, {"name": "has_car", "type": "boolean", "default": false}, {"name": "favorite_colors", "type": {"type": "enum", "name": "favorite_color", "symbols": ["BLUE", "YELLOW", "GREEN"]}}, {"name": "country", "type": "string", "default": "Argentina"}, {"name": "address", "type": ["null", "string"], "default": null}, {"name": "md5", "type": {"type": "fixed", "name": "md5", "size": 16}}]}'

[codecov]

Codecov Report

Merging #95 (c1c97fc) into master (f9861a2) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #95      +/-   ##
==========================================
+ Coverage   99.60%   99.61%   +0.01%     
==========================================
  Files           8        9       +1     
  Lines         750      788      +38     
  Branches      115      121       +6     
==========================================
+ Hits          747      785      +38     
  Misses          2        2              
  Partials        1        1              

Impacted Files	Coverage Δ
dataclasses_avroschema/case.py	100.00% <100.00%> (ø)
dataclasses_avroschema/schema_generator.py	100.00% <100.00%> (ø)

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