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SerpApi Search in Rust

CI serpapi-search-rust

This Rust package enables to scrape and parse search results from Google, Bing, Baidu, Yandex, Yahoo, Ebay, Apple, Youtube, Naver, Home depot and more. It's powered by SerpApi which delivered a consistent JSON format accross search engines. SerpApi.com enables to do localized search, leverage advanced search engine features and a lot more... A completed documentation is available at SerpApi.

To install in your rust application, update Cargo.toml

serpapi-search-rust="0.1.0"

Basic application.

use serpapi_search_rust::serp_api_search::SerpApiSearch;
use std::collections::HashMap;
use std::env;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // read secret api key from environment variable
    // To get the key simply copy/paste from https://serpapi.com/dashboard.
    let api_key = match env::var_os("API_KEY") {
        Some(v) => v.into_string().unwrap(),
        None => panic!("$API_KEY is not set"),
    };

    println!("let's search about coffee on google");
    let mut params = HashMap::<String, String>::new();
    params.insert("q".to_string(), "coffee".to_string());
    params.insert("location".to_string(), "Austin, TX, Texas, United States".to_string());

    // initialize the search engine
    let search = SerpApiSearch::google(params, api_key);

    // search returns a JSON as serde_json::Value which can be accessed like a HashMap.
    println!("waiting...");
    let results = search.json().await?;
    let organic_results = results["organic_results"].as_array().unwrap();
    println!("results received");
    println!("--- JSON ---");
    println!(" - number of organic results: {}", organic_results.len());
    println!(" - organic_results first result description: {}", results["organic_results"][0]["about_this_result"]["source"]["description"]);
    let places = results["local_results"]["places"].as_array().unwrap();
    println!("number of local_results: {}", places.len());
    println!(" - local_results first address: {}", places[0]["address"]);

    // search returns text
    println!("--- HTML search ---");
    let raw = search.html().await?;
    print!(" - raw HTML size {} bytes\n", raw.len());
    print!(" - async search completed with {}\n", results["search_parameters"]["engine"]);

    // // edit the location in the search
    // println!("--- JSON search with a different location ---");
    // params = HashMap::<String, String>::new();
    // params.insert("location".to_string(), "Destin, Florida, United States".to_string());
    // search = SerpApiSearch::google(params, api_key);
    // let results = search.json().await?;
    // println!(">> search_parameters: {}", results["search_parameters"]);
    // let places = results["local_results"]["places"].as_array().unwrap();
    // println!("number of local_results: {}\n", places.len());
    // println!("local_results first address: {}\n", places[0]["address"]);

    print!("ok");
    Ok(())
}

To run an example:

cargo build --example google_search_example

file: (examples/google_search_example.rs)

The keyword google can be replaced by any supported search engine:

  • google
  • baidu
  • bing
  • duckduckgo
  • yahoo
  • yandex
  • ebay
  • youtube
  • walmart
  • home_depot
  • apple_app_store
  • naver

To run test.

cargo test

For more information how to build a paramaters HashMap see serpapi.com documentation

Technical features

  • Dynamic JSON decoding using Serde JSON
  • Asyncronous HTTP request handle method using tokio and reqwest
  • Async tests using Tokio

TODO

  • [ ] more test to close code coverage (each search engine)
  • [ ] add more examples
  • [ ] better documentation

Free Plan · 100 searches / month

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