validator
ozzo-validation
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validator | ozzo-validation | |
---|---|---|
68 | 13 | |
15,361 | 3,534 | |
2.6% | 1.4% | |
7.4 | 0.0 | |
13 days ago | 6 days ago | |
Go | Go | |
MIT License | MIT License |
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validator
- API completa em Golang - Parte 7
- API completa em Golang - Parte 3
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Is there any equivalent to pydantic, serde, etc?
go-playground/validator
Go uses zero values to provide sensible default values. It's a design choice. With a quick Google you'll find several libraries such as https://github.com/go-playground/validator or https://github.com/asaskevich/govalidator. I use validator whenever I need to ensure any JSON I unmarshalled is correct.
- API completa em Golang - Parte 1
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Yet another validator 0.9.5
Now it has most of the Playground validator's common checks and a few own tricks.
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Openapi server generation
In Go I've found this package - https://github.com/go-playground/validator. It seems popular in the community, but it is tag-based. It looks like if I wanted to use it - I would have to basically duplicate structs.
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Request Validations in Go REST API
I use https://github.com/go-playground/validator, but honestly, I am not a fan. I just haven’t found anything better.
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Tools besides Go for a newbie
IDE: use whatever make you productive. I personally use vscode. VCS: git, as golang communities use github heavily as base for many libraries. AFAIK Linter: use staticcheck for linting as it looks like mostly used linting tool in go, supported by many also. In Vscode it will be recommended once you install go plugin. Libraries/Framework: actually the standard libraries already included many things you need, decent enough for your day-to-day development cycles(e.g. `net/http`). But here are things for extra: - Struct fields validator: validator - Http server lib: chi router , httprouter , fasthttp (for non standard http implementations, but fast) - Web Framework: echo , gin , fiber , beego , etc - Http client lib: most already covered by stdlib(net/http), so you rarely need extra lib for this, but if you really need some are: resty - CLI: cobra - Config: godotenv , viper - DB Drivers: sqlx , postgre , sqlite , mysql - nosql: redis , mongodb , elasticsearch - ORM: gorm , entgo , sqlc(codegen) - JS Transpiler: gopherjs - GUI: fyne - grpc: grpc - logging: zerolog - test: testify , gomock , dockertest - and many others you can find here
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popularity behind pydantic
I work in Go now, it's crazy poor in that regard - let's just mention for instance "zero values" ( so things can remain uninitialized with a default value you can't choose ), recurring questions around "empty vs null vs not set", and everyone using go-playground/validator where you attach rules as comments ( "tags" really, but it's barely the same thing ) that are interpreted at runtime, extremely cumbersome to extend. And all that with an insane amount of boilerplate and footguns. But what really takes the cake: if you dare saying it's extremely weak you'll get shut down by the community. You're supposed to praise it, and indeed, hate python ( you know, that toy language that didn't evolve since 2008 ).
ozzo-validation
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Is there any equivalent to pydantic, serde, etc?
go-ozzo/ozzo-validation
- Request Validations in Go REST API
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Suggestion for a dynamic Struct Validation Rules
https://github.com/go-ozzo/ozzo-validation Seems to do what I need but likely will need some convoluted reflection to build out the rules. Also likely some custom rules to be written which is okay since it's a one time cost and reuse in the expressions.
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Proper validation package suggestion
Personally I use ozzo validation: https://github.com/go-ozzo/ozzo-validation
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Valgo is a type-safe, expressive, and extensible validator library for Golang.
This looks useful, but what differentiates it from something like https://github.com/go-ozzo/ozzo-validation ? Why would I use Valgo over something battle tested that follows a very similar pattern?
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Why use go over node?
This is where it gets spicy: I just don't get at all who ever though this struct-tag based validation library was a good idea https://github.com/go-playground/validator - and yet it's the most mainstream one. Try to implement your own type, you're up to register some global validation tag and repeat it every time you're using that type. I'm grateful https://github.com/go-ozzo/ozzo-validation exists, that's what I use. But it's still way behind the other things I mention, where in general, it's simply not possible to pass around an invalid struct - because it can't be built if it's invalid in the first place.
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Gin vs Echo framework
Gin comes with built-in "validation", while Echo recommends the same validator. I am also not a fan of magic struct tags, so I would probably prefer either writing my own or using something like ozzo.
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What type of software do you write at your workplace?
Other packages of note: https://github.com/uber-go/zap https://github.com/go-ozzo/ozzo-validation
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is there any package to generate validation code for struct instead of using reflect (tags)?
Does https://github.com/go-ozzo/ozzo-validation meet your requirements?
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How do you validate your structures?
Have you looked at this library?
What are some alternatives?
govalidator - [Go] Package of validators and sanitizers for strings, numerics, slices and structs
grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC
Password validator library for Go - Flexible and customizable password validation
viper - Go configuration with fangs
uuid - Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
fiber-swagger - fiber middleware to automatically generate RESTful API documentation with Swagger 2.0.
Validate - ⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库,使用简单,内置大部分常用验证、过滤器,支持自定义验证器、自定义消息、字段翻译。
Echo - High performance, minimalist Go web framework
protoc-gen-validate - Protocol Buffer Validation - Being replaced by github.com/bufbuild/protovalidate