ncbiprotein

package
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Published: Jun 15, 2026 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Package ncbiprotein is the library behind the ncbiprotein command line: the HTTP client, request shaping, and the typed data models for NCBI Protein.

The Client here is the spine every command shares. It sets a real User-Agent, paces requests so a busy session stays polite, and retries the transient failures (429 and 5xx) that any public API throws under load. 1.6 billion protein sequence records, no API key required.

Index

Constants

View Source
const Host = "eutils.ncbi.nlm.nih.gov"

Host is the eUtils hostname this client talks to, and the host the URI driver in domain.go claims.

Variables

This section is empty.

Functions

This section is empty.

Types

type Client

type Client struct {
	// contains filtered or unexported fields
}

Client talks to NCBI eUtils for protein records.

func NewClient

func NewClient(cfg Config) *Client

NewClient returns a Client using the given Config.

func (*Client) FetchProteins

func (c *Client) FetchProteins(ctx context.Context, ids []string) ([]*Protein, error)

FetchProteins fetches protein details for the given IDs (up to ~500 per call; callers should batch if needed).

func (*Client) GetProtein

func (c *Client) GetProtein(ctx context.Context, uid string) (*Protein, error)

GetProtein fetches a single protein by its NCBI numeric UID or accession.

func (*Client) Search

func (c *Client) Search(ctx context.Context, query string, limit, start int) ([]string, int, error)

Search searches NCBI Protein for records matching the query and returns IDs and the total hit count.

func (*Client) SearchAndFetch

func (c *Client) SearchAndFetch(ctx context.Context, query string, limit, start int) ([]*Protein, int, error)

SearchAndFetch searches NCBI Protein and returns full Protein records.

type Config

type Config struct {
	BaseURL   string
	Rate      time.Duration
	Retries   int
	Timeout   time.Duration
	UserAgent string
}

Config holds the runtime settings for the ncbiprotein client.

func DefaultConfig

func DefaultConfig() Config

DefaultConfig returns a Config with sensible defaults: 400ms rate limit, 3 retries, and a 30s timeout.

type Domain

type Domain struct{}

Domain is the ncbiprotein driver. It carries no state; the per-run client is built by the factory Register hands kit.

func (Domain) Classify

func (Domain) Classify(input string) (string, string, error)

Classify turns any accepted input into the canonical (type, id). Any non-empty string is accepted as a protein UID or accession.

func (Domain) Info

func (Domain) Info() kit.DomainInfo

Info describes the scheme, the hostnames a pasted link is matched against, and the identity reused for the binary's help and version.

func (Domain) Locate

func (Domain) Locate(t, id string) (string, error)

Locate is the inverse: the live https URL for a (type, id).

func (Domain) Register

func (Domain) Register(app *kit.App)

Register installs the client factory and every operation onto app.

type Protein

type Protein struct {
	ID           string `json:"id"                   kit:"id"`
	Accession    string `json:"accession"`
	Title        string `json:"title"`
	TaxID        int    `json:"tax_id,omitempty"`
	Length       int    `json:"length,omitempty"`
	MolType      string `json:"mol_type,omitempty"`
	SourceDB     string `json:"source_db,omitempty"`
	Completeness string `json:"completeness,omitempty"`
	CreateDate   string `json:"create_date,omitempty"`
	UpdateDate   string `json:"update_date,omitempty"`
}

Protein is a single NCBI Protein sequence record.

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