GET/POST from brainmaps API with optional retry / cache

brainmaps_fetch calls the brainmaps API with optional request cache and retries.

brainmaps_clear_cache clears the cache used by brainmaps_fetch

Usage

brainmaps_fetch(
  url,
  body = NULL,
  parse.json = TRUE,
  cache = FALSE,
  retry = 0L,
  include_headers = FALSE,
  simplifyVector = TRUE,
  ...
)

brainmaps_clear_cache()

Arguments

url

Full URL for brainmaps API endpoint

body

an R list with parameters that will be converted with jsonlite::toJSON and then passed on to POST. You can also pass a JSON character vector to have more control of the JSON encoding.

parse.json

Whether or not to parse a JSON response to an R object (default TRUE)

cache

Whether or not to cache responses (default FALSE)

retry

The number of times to retry the operation (default 0, FALSE=>0 and TRUE=>3). See the documentation of the times argument of httr::RETRY for further details.

include_headers

Whether to include basic headers from the http request as attributes on the parsed JSON object (default TRUE) when parse.json=TRUE.

simplifyVector

Whether to use jsonlite::simplifyVector

...

additional arguments passed to the httr::{RETRY} function. This may include a config list other named parameters etc.

Value

An R list parse

Examples

if (FALSE) {
brainmaps_fetch("https://brainmaps.googleapis.com/v1/volumes")
# retry up to 4 times on failure
brainmaps_fetch("https://brainmaps.googleapis.com/v1/volumes", retry=4)
# cache results
brainmaps_fetch("https://brainmaps.googleapis.com/v1/volumes", cache=TRUE)
# use arbitrary curl/httr options (see httr_options())
httr::with_config(httr::verbose(), {
  brainmaps_fetch("https://brainmaps.googleapis.com/v1/volumes")
})
}
# \donttest{
brainmaps_clear_cache()
#> [1] TRUE
# }