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Request

spider_lib::request

Struct Request

pub struct Request {
    pub url: Url,
    pub method: Method,
    pub headers: HeaderMap,
    pub body: Option<Body>,
    pub meta: DashMap<Cow<'static, str>, Value>,
}

Fields§

§url: Url§method: Method§headers: HeaderMap§body: Option<Body>§meta: DashMap<Cow<'static, str>, Value>

Implementations§

impl Request

pub fn new(url: Url) -> Self

Creates a new Request with the given URL.

Examples found in repository ?

examples/quotes_scraper.rs (line 64)

27    async fn parse(&mut self, response: Response) -> Result<ParseOutput<Self::Item>, SpiderError> {
28        let html = response.to_html()?;
29        let mut output = ParseOutput::new();
30
31        for quote_element in html.select(&".quote".to_selector()?) {
32            let text = quote_element
33                .select(&".text".to_selector()?)
34                .next()
35                .map(|e| e.text().collect::<String>().trim().to_string())
36                .unwrap_or_default();
37
38            let author = quote_element
39                .select(&".author".to_selector()?)
40                .next()
41                .map(|e| e.text().collect::<String>().trim().to_string())
42                .unwrap_or_default();
43
44            let tags: Vec<String> = quote_element
45                .select(&".tags .tag".to_selector()?)
46                .map(|e| e.text().collect::<String>().trim().to_string())
47                .collect();
48            let tags_str = tags.join(", ");
49
50            let item = QuoteItem {
51                text,
52                author,
53                tags: tags_str,
54            };
55            output.add_item(item);
56        }
57
58        if let Some(next_href) = html
59            .select(&".next > a".to_selector()?)
60            .next()
61            .and_then(|a| a.attr("href"))
62        {
63            let next_url = response.url.join(next_href)?;
64            let next_request = Request::new(next_url);
65            output.add_request(next_request);
66        }
67
68        Ok(output)
69    }

pub fn with_method(self, method: Method) -> Self

Sets the HTTP method for the request.

pub fn with_header(self, name: &str, value: &str) -> Result<Self, SpiderError>

Adds a header to the request.

pub fn with_body(self, body: Body) -> Self

Sets the body of the request and defaults the method to POST.

pub fn with_json(self, json: Value) -> Self

Sets the body of the request to a JSON value.

pub fn with_form(self, form: DashMap<String, String>) -> Self

Sets the body of the request to a form.

pub fn with_bytes(self, bytes: Bytes) -> Self

Sets the body of the request to a byte slice.

pub fn with_meta(self, key: &str, value: Value) -> Self

Adds a value to the request’s metadata.

pub fn get_retry_attempts(&self) -> u32

Gets the number of times the request has been retried.

pub fn increment_retry_attempts(&mut self)

Increments the retry count for the request.

pub fn fingerprint(&self) -> String

Generates a unique fingerprint for the request based on its URL, method, and body.

Trait Implementations§

impl Clone for Request

fn clone(&self) -> Request

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Request

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl Default for Request

fn default() -> Self

Returns the “default value” for a type. Read more

impl<'de> Deserialize<'de> for Request

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl Serialize for Request

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

impl !Freeze for Request

impl !RefUnwindSafe for Request

impl Send for Request

impl Sync for Request

impl Unpin for Request

impl UnwindSafe for Request

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,