espelhamento de https://git.sr.ht/~hrbrmstr/splashr
16 arquivos alterados com 333 adições e 36 exclusões
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#' Create an httr function from an HAR request |
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#' |
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#' @md |
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#' @param entry HAR entry |
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#' @param quiet quiet |
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#' @param add_clip add clip |
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#' @export |
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as_req <- function(entry, quiet=TRUE, add_clip=TRUE) { |
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req <- entry$request |
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req$headers <- purrr::map(req$headers, "value") %>% |
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setNames(map_chr(req$headers, "name")) |
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ml <- getOption("deparse.max.lines") |
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options(deparse.max.lines=10000) |
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template <- "httr::VERB(verb = '%s', url = '%s' %s%s%s%s%s%s)" |
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hdrs <- enc <- bdy <- ckies <- auth <- verbos <- cfg <- "" |
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if (length(req$headers) > 0) { |
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# try to determine encoding |
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ct_idx <- which(grepl("content-type", names(req$headers), ignore.case=TRUE)) |
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if (length(ct_idx) > 0) { |
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# retrieve & delete the content type |
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ct <- req$headers[[ct_idx]] |
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req$headers[[ct_idx]] <- NULL |
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if (stringi::stri_detect_regex(ct, "multipart")) { |
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enc <- ", encode = 'multipart'" |
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} else if (stringi::stri_detect_regex(ct, "form")) { |
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enc <- ", encode = 'form'" |
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} else if (stringi::stri_detect_regex(ct, "json")) { |
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enc <- ", encode = 'json'" |
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} else { |
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enc <- "" |
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} |
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} |
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hdrs <- paste0(capture.output(dput(req$headers, control=NULL)), |
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collapse="") |
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hdrs <- sub("^list", ", httr::add_headers", hdrs) |
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} |
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if (length(req$data) > 0) { |
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bdy_bits <- paste0(capture.output(dput(parse_query(req$data), control=NULL)), |
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collapse="") |
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bdy <- sprintf(", body = %s", bdy_bits) |
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} |
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if (length(req$url_parts$username) > 0) { |
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auth <- sprintf(", httr::authenticate(user='%s', password='%s')", |
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req$url_parts$username, req$url_parts$password) |
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} |
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if (length(req$verbose) > 0) { |
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verbos <- ", httr::verbose()" |
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} |
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if (length(req$cookies) > 0) { |
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ckies <- paste0(capture.output(dput(req$cookies, control=NULL)), |
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collapse="") |
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ckies <- sub("^list", ", httr::set_cookies", ckies) |
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} |
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REQ_URL <- req$url |
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out <- sprintf(template, toupper(req$method), REQ_URL, auth, verbos, hdrs, ckies, bdy, enc) |
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# this does a half-decent job formatting the R function text |
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fil <- tempfile(fileext=".R") |
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on.exit(unlink(fil)) |
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formatR::tidy_source(text=out, width.cutoff=30, indent=4, file=fil) |
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tmp <- paste0(readLines(fil), collapse="\n") |
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if (add_clip) clipr::write_clip(tmp) |
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if (!quiet) cat(tmp, "\n") |
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# make a bona fide R function |
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f <- function() {} |
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formals(f) <- NULL |
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environment(f) <- parent.frame() |
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body(f) <- as.expression(parse(text=tmp)) |
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options(deparse.max.lines=ml) |
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return(f) |
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} |
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#' Return a HAR entry response as an httr::response object |
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#' |
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#' @param har_entry a HAR object (should contain a response body to be most useful) |
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#' @export |
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#' @examples \dontrun{ |
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#' URL <- "http://www.svs.cl/portal/principal/605/w3-propertyvalue-18554.html" |
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#' |
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#' splash_local %>% |
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#' splash_response_body(TRUE) %>% |
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#' splash_go(URL) %>% |
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#' splash_wait(2) %>% |
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#' splash_har() -> har |
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#' |
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#' keep(har$log$entries, is_xhr) %>% |
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#' map(as_request) %>% |
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#' map(httr::content, as="parsed") |
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#' } |
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as_request <- function(har_entry) { |
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if (length(har_entry$response$content$text) > 0) { |
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content_body <- openssl::base64_decode(har_entry$response$content$text) |
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} else { |
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content_body <- NULL |
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} |
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structure(list( |
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url = har_entry$request$url, |
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status_code = har_entry$response$status, |
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date = lubridate::ymd_hms(har_entry$startedDateTime), |
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headers = setNames(map(har_entry$response$headers, "value"), |
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map(har_entry$response$headers, "name")) %>% |
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insensitive(), |
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content = content_body |
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), class="response") |
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} |
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#' Retrieve size of content | body | headers |
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#' |
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#' @param har_resp_obj HAR response object |
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#' @export |
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get_content_size <- function(har_resp_obj) { |
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csize <- har_resp_obj$response$content$size |
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if (is.null(csize)) return(NA_real_) |
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return(as.numeric(csize)) |
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} |
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#' @rdname get_content_size |
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#' @export |
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get_body_size <- function(har_resp_obj) { |
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bsize <- har_resp_obj$response$bodySize |
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if (is.null(bsize)) return(NA_real_) |
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return(as.numeric(bsize)) |
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} |
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#' @rdname get_content_size |
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#' @export |
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get_headers_size <- function(har_resp_obj) { |
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hsize <- har_resp_obj$response$headersSize |
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if (is.null(hsize)) return(NA_real_) |
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return(as.numeric(hsize)) |
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} |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/as_req.r |
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\name{as_req} |
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\alias{as_req} |
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\title{Create an httr function from an HAR request} |
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\usage{ |
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as_req(entry, quiet = TRUE, add_clip = TRUE) |
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} |
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\arguments{ |
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\item{entry}{HAR entry} |
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\item{quiet}{quiet} |
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\item{add_clip}{add clip} |
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} |
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\description{ |
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Create an httr function from an HAR request |
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} |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/as_request.r |
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\name{as_request} |
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\alias{as_request} |
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\title{Return a HAR entry response as an httr::response object} |
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\usage{ |
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as_request(har_entry) |
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} |
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\arguments{ |
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\item{har_entry}{a HAR object (should contain a response body to be most useful)} |
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} |
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\description{ |
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Return a HAR entry response as an httr::response object |
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} |
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\examples{ |
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\dontrun{ |
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URL <- "http://www.svs.cl/portal/principal/605/w3-propertyvalue-18554.html" |
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splash_local \%>\% |
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splash_response_body(TRUE) \%>\% |
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splash_go(URL) \%>\% |
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splash_wait(2) \%>\% |
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splash_har() -> har |
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keep(har$log$entries, is_xhr) \%>\% |
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map(as_request) \%>\% |
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map(httr::content, as="parsed") |
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} |
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} |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/helpers.r |
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\name{get_request_type} |
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\alias{get_request_type} |
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\alias{is_get} |
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\alias{is_post} |
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\title{Retrieve or test request type} |
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\usage{ |
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get_request_type(har_resp_obj) |
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is_get(har_resp_obj) |
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is_post(har_resp_obj) |
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} |
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\arguments{ |
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\item{har_resp_obj}{HAR response object} |
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} |
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\description{ |
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Retrieve or test request type |
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} |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/helpers.r |
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\name{get_request_url} |
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\alias{get_request_url} |
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\title{Retrieve request URL} |
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\usage{ |
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get_request_url(har_resp_obj) |
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} |
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\arguments{ |
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\item{har_resp_obj}{HAR response object} |
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} |
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\description{ |
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Retrieve request URL |
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} |
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% Generated by roxygen2: do not edit by hand |
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% Please edit documentation in R/helpers.r |
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\name{get_response_body} |
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\alias{get_response_body} |
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\title{Retrieve the body content of a HAR entry} |
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\usage{ |
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get_response_body(har_resp_obj) |
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} |
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\arguments{ |
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\item{har_resp_obj}{HAR response object} |
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} |
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\value{ |
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A \code{raw} vector of the content or \code{NULL} |
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} |
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\description{ |
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Retrieve the body content of a HAR entry |
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} |
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