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<adam12>
Nice :)
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<adam12>
docker.io/library/ruby:2.7.6: not found doh.
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<white_magic>
Hey guys, can someone recommend me the equivalent of Python's "requests" library but for Ruby?
<white_magic>
I'm more from a Python background but I'm starting to dabble with Rails and I'm exploring the idea of using Ruby in place or in addition to Python for scripting purposes
<jhass[m]>
You can get a long way with just standard library net/http, especially on modern Ruby. Stepping beyond that faraday and http.rb are popular
<jhass[m]>
if you need high performance check typhoeus
<havenwood>
white_magic: HTTP.rb is one modeled specifically like Requests.
<white_magic>
jhass: quick googling has confirmed that faraday is the most beloved
<white_magic>
havenwood: I think I'll go with HTTP.rb, then
<havenwood>
white_magic: Typhoeus and async-http are also quite nice, but HTTP.rb has a great interface and is also a solid option.
<havenwood>
white_magic: You can use those ^ as Faraday adapters if you prefer, but fine to use them directly.
<jhass[m]>
Can't say that async-http's interface looks very great on first glance :P
<white_magic>
havenwood: that is a truly overwhelming set of options .. but thanks
<jhass[m]>
Gotta have a client for every web framework option I guess :D
<white_magic>
Also, I have somewhat related questions.. 1) what would you recommend for GraphQL. 2) Any library that has the same interface for Rest APIs and GQL APIs (guessing no - very unlikely). 3) What would you recommend for rate limiting and prioritization. E.g .if I have a single API I want to access that permits.. let's say 200 requests per second.. and
<white_magic>
I want to make 3 *types* of requests (Type 1 is the 'meat and potatoes' of my application, and type 2 & 3 are just misc lookups), how could I effectively prioritize these requests?
<white_magic>
Sorry for the random assortment of questions but these are pretty useful to know for me
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<havenwood>
white_magic: Using GraphQL with Rails or pure Ruby?
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<havenwood>
white_magic: The async-http gem is quite nice for composing request patterns with those types of constraints.
<havenwood>
white_magic: You can use a semaphore, etc, and you don't need to worry about pooling since it's Fibers under the hood.
<white_magic>
havenwood: realistically, in practice, I'd be doing it in Rails. But for scripting purposes, maybe outside of Rails, too. But more the former.
<white_magic>
havenwood: what about throttling requests when the API (correctly or otherwise) complaints about excessive requests?
<havenwood>
white_magic: Others who've used GraphQL in Ruby can speak more on that front, but some GraphQL gems have patterns in place with Rails generators, like: https://graphql-ruby.org/
<havenwood>
white_magic: Yeah, async-http is a bit lower level interface than most the other options and you can do your own logic for those type of scenarios. Typhoeus Hydra is just all around good at parallel requests, but is a higher level interface.
<white_magic>
awesome, I'm going to write all of this down. Lots of research to do. Thanks.
<havenwood>
That ^ shows a simple pattern with limiting requests with async-http but you can tune it to work the way you prefer.
<havenwood>
Not having to worry about Thread pools is handy, FWIW.
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<mandanguita>
Hello. I was reading about SOLID design and I'm asking myself if they make any sense in Ruby
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<havenwood>
mandanguita: In general, yeah, I think they do.
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<mandanguita>
I don't see how
<mandanguita>
Modules can modify a class, for example
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<mandanguita>
String serves a lot of different purposes. Separating them would increase complexity
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<mandanguita>
The liskov principle. In a duck-typed language we don't care about types
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<mandanguita>
Btw this is not a rant, it's just that I want to clearly understand those principles
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<adam12>
mandanguita: SOLID covers a bunch, so I'm not sure saying it makes no sense in Ruby is great, since it's fairly broad.
<adam12>
If anything, I'd say the I (Interface Segregation) might be the weakest, IMHO
<adam12>
S - obvious and I'm not sure needs any explanation
<mandanguita>
I'll try to explain myself
<adam12>
O - BankAccount vs AuditedBankAccount. Maybe AuditedBankAccount is a delegator. Seems simple enough and works well in principal.
<adam12>
L - Duck typing, I guess. We kind of have this with IO vs StringIO.
<adam12>
I - meh.
<mandanguita>
S says a class should do one thing. Take the String class. The String class can be used to represent text, binary data, as a builder of text or data, and as their modifier
<adam12>
D - not sure this needs much explanation.
<mandanguita>
Following S strictly, Ruby designers should create Text, Data, TextBuilder, DataBuilder, TextModifier, DataModifier classes
<mandanguita>
Am I right?
<mandanguita>
again I'm sure a lot of newbies like me have asked the same questions but I have no bad faith
<adam12>
I'm not sure I follow all the representations you consider
<adam12>
If you equate String as a container of mulltiple byte sequences, does that not fit the SRP?
<mandanguita>
Hmmm...
<adam12>
It's hard to evaluate where you're coming from without a concrete example. And I think sometimes the SOLID principles are evaluated differently by everyone.
<mandanguita>
I guess I just need to understand SOLID principles well
<adam12>
Similar to GOF; just because someone put these things in a book, doesn't mean they are good things :P
<adam12>
I feel there's some liberty to be taken, but I think there's definitely use in Ruby for SOLID.
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<adam12>
There's a great speaker named Sandi Metz. She has some Youtube videos concerning SOLID and Ruby, IIRC.
<mandanguita>
Thanks, I'll check it out
<adam12>
Her book POODR is Ruby and covers some of them as well.
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<adam12>
There's nothing stopping you from wrapping the primitives that Ruby provides and making your own abstractions either.
<adam12>
jhass[m]: Do you see a proliferation of HTTP clients in Crystal as well? I feel like this is one of my biggest pet peeves in Ruby. And I can't fault anyone because net/http can be somewhat challenging to use if you're unfamiliar.
<jhass[m]>
Not as much, http/client started out much better with common quick HTTP::Client.get(..) style convenience APIs
<jhass[m]>
same for http/server which started out with an okayish API and good performance, so you rather see stuff wrapping those
<adam12>
jhass[m]: Those two, and Time::Span are 3 I feel like we should be cribbing
<jhass[m]>
Well, they're badly prepared for HTTP/2 so far honestly
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<jhass[m]>
and http/server is kinda lacking a good way to carry on application specific context data up and down again the middleware chain
<adam12>
jhass[m]: Ahh.
<adam12>
jhass[m]: I wonder if the API that Tipi uses is any better.
<adam12>
I have not enough time to experiment with everything.
<jhass[m]>
Yeah, problem is that we can't let you use Object yet as a type restriction/generic argument to a container type yet. So storing arbitrary data somewhere is a bit tricky
<adam12>
Ah
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<guest_nakilon>
:: 24.33.to_r
<ruby-eval>
=> (1712071545842565/70368744177664)
<guest_nakilon>
wtf
<guest_nakilon>
hm
<guest_nakilon>
:: 24.33.to_s.to_r
<ruby-eval>
=> (2433/100)
<guest_nakilon>
so to convert float literal to rational you should convert it to string first, lol
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<guest_nakilon>
because somehow the Float#to_s works cleaner than Float#to_r
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<guest_nakilon>
why am I able to do irb> tap{ 1 } but not then irb> then{ 1 } ?
<ox1eef>
cuz .. it collides with ruby's syntax, "then".
<ox1eef>
afaik it always needs an explicit receiver.
<RedNifre>
guest_nakilon: Looks like to_s rounds to a decimal first, while to_r doesn't (as in 24.33 is not 24.33, since it gets rounded to the nearest float).
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<RedNifre>
:: 24.375.to_r
<ruby-eval>
=> (195/8)
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<Garb0>
Sup
<Garb0>
What's the "proper" way to detect sockets closing on the other side?
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<Garb0>
rescuing the IOPIPE error seems like a dangerous hacky workaround
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