Class: Anthropic::Internal::Transport::BaseClient Abstract Private

Inherits:
Object
  • Object
show all
Extended by:
Util::SorbetRuntimeSupport
Defined in:
lib/anthropic/internal/transport/base_client.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

This class is abstract.

Direct Known Subclasses

Client

Constant Summary collapse

MAX_REDIRECTS =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

from whatwg fetch spec

20
PLATFORM_HEADERS =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

rubocop:disable Style/MutableConstant

{
  "x-stainless-arch" => Anthropic::Internal::Util.arch,
  "x-stainless-lang" => "ruby",
  "x-stainless-os" => Anthropic::Internal::Util.os,
  "x-stainless-package-version" => Anthropic::VERSION,
  "x-stainless-runtime" => ::RUBY_ENGINE,
  "x-stainless-runtime-version" => ::RUBY_ENGINE_VERSION
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Util::SorbetRuntimeSupport

const_missing, define_sorbet_constant!, sorbet_constant_defined?, to_sorbet_type, to_sorbet_type

Constructor Details

#initialize(base_url:, timeout: 0.0, max_retries: 0, initial_retry_delay: 0.0, max_retry_delay: 0.0, headers: {}, idempotency_header: nil) ⇒ BaseClient

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of BaseClient.

Parameters:

  • base_url (String)
  • timeout (Float) (defaults to: 0.0)
  • max_retries (Integer) (defaults to: 0)
  • initial_retry_delay (Float) (defaults to: 0.0)
  • max_retry_delay (Float) (defaults to: 0.0)
  • headers (Hash{String=>String, Integer, Array<String, Integer, nil>, nil}) (defaults to: {})
  • idempotency_header (String, nil) (defaults to: nil) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 190

def initialize(
  base_url:,
  timeout: 0.0,
  max_retries: 0,
  initial_retry_delay: 0.0,
  max_retry_delay: 0.0,
  headers: {},
  idempotency_header: nil
)
  @requester = Anthropic::Internal::Transport::PooledNetRequester.new
  @headers = Anthropic::Internal::Util.normalized_headers(
    self.class::PLATFORM_HEADERS,
    {
      "accept" => "application/json",
      "content-type" => "application/json",
      "user-agent" => user_agent
    },
    headers
  )
  @base_url_components = Anthropic::Internal::Util.parse_uri(base_url)
  @base_url = Anthropic::Internal::Util.unparse_uri(@base_url_components)
  @idempotency_header = idempotency_header&.to_s&.downcase
  @timeout = timeout
  @max_retries = max_retries
  @initial_retry_delay = initial_retry_delay
  @max_retry_delay = max_retry_delay
end

Instance Attribute Details

#base_url ⇒ URI::Generic (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (URI::Generic) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 157

def base_url
  @base_url
end

#headers ⇒ Hash{String=>String} (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Hash{String=>String}) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 172

def headers
  @headers
end

#idempotency_header ⇒ String? (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String, nil) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 175

def idempotency_header
  @idempotency_header
end

#initial_retry_delay ⇒ Float (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Float) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 166

def initial_retry_delay
  @initial_retry_delay
end

#max_retries ⇒ Integer (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Integer) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 163

def max_retries
  @max_retries
end

#max_retry_delay ⇒ Float (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Float) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 169

def max_retry_delay
  @max_retry_delay
end

#requester ⇒ Anthropic::Internal::Transport::PooledNetRequester (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 179

def requester
  @requester
end

#timeout ⇒ Float (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Float) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 160

def timeout
  @timeout
end

Class Method Details

.follow_redirect(request, status:, response_headers:) ⇒ Hash{Symbol=>Object}

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • request (Hash{Symbol=>Object}) —

    .

    @option request [Symbol] :method

    @option request [URI::Generic] :url

    @option request [HashString=>String] :headers

    @option request [Object] :body

    @option request [Integer] :max_retries

    @option request [Float] :timeout

  • status (Integer)
  • response_headers (Hash{String=>String})

Returns:

  • (Hash{Symbol=>Object}) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 91

def follow_redirect(request, status:, response_headers:)
  method, url, headers = request.fetch_values(:method, :url, :headers)
  location =
    Kernel.then do
      URI.join(url, response_headers["location"])
    rescue ArgumentError
      message = "Server responded with status #{status} but no valid location header."
      raise Anthropic::Errors::APIConnectionError.new(
        url: url,
        response: response_headers,
        message: message
      )
    end

  request = {**request, url: location}

  case [url.scheme, location.scheme]
  in ["https", "http"]
    message = "Tried to redirect to a insecure URL"
    raise Anthropic::Errors::APIConnectionError.new(
      url: url,
      response: response_headers,
      message: message
    )
  else
    nil
  end

  # from whatwg fetch spec
  case [status, method]
  in [301 | 302, :post] | [303, _]
    drop = %w[content-encoding content-language content-length content-location content-type]
    request = {
      **request,
      method: method == :head ? :head : :get,
      headers: headers.except(*drop),
      body: nil
    }
  else
  end

  # from undici
  if Anthropic::Internal::Util.uri_origin(url) != Anthropic::Internal::Util.uri_origin(location)
    drop = %w[authorization cookie host proxy-authorization]
    request = {**request, headers: request.fetch(:headers).except(*drop)}
  end

  request
end

.reap_connection!(status, stream:) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 145

def reap_connection!(status, stream:)
  case status
  in (..199) | (300..499)
    stream&.each { next }
  in Anthropic::Errors::APIConnectionError | (500..)
    Anthropic::Internal::Util.close_fused!(stream)
  else
  end
end

.should_retry?(status, headers:) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • status (Integer)
  • headers (Hash{String=>String})

Returns:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 53

def should_retry?(status, headers:)
  coerced = Anthropic::Internal::Util.coerce_boolean(headers["x-should-retry"])
  case [coerced, status]
  in [true | false, _]
    coerced
  in [_, 408 | 409 | 429 | (500..)]
    # retry on:
    # 408: timeouts
    # 409: locks
    # 429: rate limits
    # 500+: unknown errors
    true
  else
    false
  end
end

.validate!(req) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • req (Hash{Symbol=>Object})

Raises:

  • (ArgumentError) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 33

def validate!(req)
  keys = [:method, :path, :query, :headers, :body, :unwrap, :page, :stream, :model, :options]
  case req
  in Hash
    req.each_key do |k|
      unless keys.include?(k)
        raise ArgumentError.new("Request `req` keys must be one of #{keys}, got #{k.inspect}")
      end
    end
  else
    raise ArgumentError.new("Request `req` must be a Hash or RequestOptions, got #{req.inspect}")
  end
end

Instance Method Details

#inspect ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String) 


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# File 'lib/anthropic/internal/transport/base_client.rb', line 565

def inspect
  # rubocop:disable Layout/LineLength
  "#<#{self.class.name}:0x#{object_id.to_s(16)} base_url=#{@base_url} max_retries=#{@max_retries} timeout=#{@timeout}>"
  # rubocop:enable Layout/LineLength
end

#request(method, path, query: {}, headers: {}, body: nil, unwrap: nil, page: nil, stream: nil, model: Anthropic::Internal::Type::Unknown, options: {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Execute the request specified by ‘req`. This is the method that all resource methods call into.

Parameters:

  • method (Symbol)
  • path (String, Array<String>)
  • query (Hash{String=>Array<String>, String, nil}, nil)
  • headers (Hash{String=>String, Integer, Array<String, Integer, nil>, nil}, nil)
  • body (Object, nil)
  • unwrap (Symbol, Integer, Array<Symbol, Integer>, Proc, nil)
  • page (Class<Anthropic::Internal::Type::BasePage>, nil)
  • stream (Class<Anthropic::Internal::Type::BaseStream>, nil)
  • model (Anthropic::Internal::Type::Converter, Class, nil)
  • options (Anthropic::RequestOptions, Hash{Symbol=>Object}, nil) —

    .

    @option options [String, nil] :idempotency_key

    @option options [HashString, nil, nil] :extra_query

    @option options [Hashnil, nil] :extra_headers

    @option options [Object, nil] :extra_body

    @option options [Integer, nil] :max_retries

    @option options [Float, nil] :timeout

Returns:

  • (Object)

Raises:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 523

def request(req)
  self.class.validate!(req)
  model = req.fetch(:model) { Anthropic::Internal::Type::Unknown }
  opts = req[:options].to_h
  unwrap = req[:unwrap]
  Anthropic::RequestOptions.validate!(opts)
  request = build_request(req.except(:options), opts)
  url = request.fetch(:url)

  # Don't send the current retry count in the headers if the caller modified the header defaults.
  send_retry_header = request.fetch(:headers)["x-stainless-retry-count"] == "0"
  status, response, stream = send_request(
    request,
    redirect_count: 0,
    retry_count: 0,
    send_retry_header: send_retry_header
  )

  headers = Anthropic::Internal::Util.normalized_headers(response.each_header.to_h)
  decoded = Anthropic::Internal::Util.decode_content(headers, stream: stream)
  case req
  in {stream: Class => st}
    st.new(
      model: model,
      url: url,
      status: status,
      headers: headers,
      response: response,
      unwrap: unwrap,
      stream: decoded
    )
  in {page: Class => page}
    page.new(client: self, req: req, headers: headers, page_data: decoded)
  else
    unwrapped = Anthropic::Internal::Util.dig(decoded, unwrap)
    Anthropic::Internal::Type::Converter.coerce(model, unwrapped)
  end
end

#retry_request?(status, headers:) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • status (Integer)
  • headers (Hash{String=>String})

Returns:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 378

def retry_request?(status, headers:)
  self.class.should_retry?(status, headers: headers)
end

#send_request(request, redirect_count:, retry_count:, send_retry_header:) ⇒ Array(Integer, Net::HTTPResponse, Enumerable<String>)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • request (Hash{Symbol=>Object}) —

    .

    @option request [Symbol] :method

    @option request [URI::Generic] :url

    @option request [HashString=>String] :headers

    @option request [Object] :body

    @option request [Integer] :max_retries

    @option request [Float] :timeout

  • redirect_count (Integer)
  • retry_count (Integer)
  • send_retry_header (Boolean)

Returns:

  • (Array(Integer, Net::HTTPResponse, Enumerable<String>))

Raises:



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# File 'lib/anthropic/internal/transport/base_client.rb', line 406

def send_request(request, redirect_count:, retry_count:, send_retry_header:)
  if send_retry_header
    request.fetch(:headers)["x-stainless-retry-count"] = retry_count.to_s
  end

  request = transform_request(request)
  url, max_retries, timeout = request.fetch_values(:url, :max_retries, :timeout)
  input = {**request.except(:timeout), deadline: Anthropic::Internal::Util.monotonic_secs + timeout}

  begin
    status, response, stream = @requester.execute(input)
  rescue Anthropic::Errors::APIConnectionError => e
    status = e
  end
  headers = Anthropic::Internal::Util.normalized_headers(response&.each_header&.to_h)

  case status
  in ..299
    [status, response, stream]
  in 300..399 if redirect_count >= self.class::MAX_REDIRECTS
    self.class.reap_connection!(status, stream: stream)

    message = "Failed to complete the request within #{self.class::MAX_REDIRECTS} redirects."
    raise Anthropic::Errors::APIConnectionError.new(url: url, response: response, message: message)
  in 300..399
    self.class.reap_connection!(status, stream: stream)

    request = self.class.follow_redirect(request, status: status, response_headers: headers)
    send_request(
      request,
      redirect_count: redirect_count + 1,
      retry_count: retry_count,
      send_retry_header: send_retry_header
    )
  in Anthropic::Errors::APIConnectionError if retry_count >= max_retries
    raise status
  in (400..) if retry_count >= max_retries || !retry_request?(status, headers: headers)
    decoded = Kernel.then do
      Anthropic::Internal::Util.decode_content(headers, stream: stream, suppress_error: true)
    ensure
      self.class.reap_connection!(status, stream: stream)
    end

    raise Anthropic::Errors::APIStatusError.for(
      url: url,
      status: status,
      headers: headers,
      body: decoded,
      request: nil,
      response: response
    )
  in (400..) | Anthropic::Errors::APIConnectionError
    self.class.reap_connection!(status, stream: stream)

    delay = retry_delay(response || {}, retry_count: retry_count)
    sleep(delay)

    # Refresh auth headers across retries: credential providers (e.g. OAuth
    # token caches invalidated by a 401) may return a different token now
    # than at initial build_request time. Skip keys the caller supplied so
    # per-request overrides aren't clobbered.
    user_keys = request.fetch(:user_header_keys, [])

    auth_headers.each do |k, v|
      k_norm = k.to_s.downcase
      next if user_keys.include?(k_norm)
      request.fetch(:headers)[k_norm] = v.to_s.strip
    end

    send_request(
      request,
      redirect_count: redirect_count,
      retry_count: retry_count + 1,
      send_retry_header: send_retry_header
    )
  end
end