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tmdbR

tmdbR is a modern R client for the TMDB v3 API and a compatibility successor to Andrea Capozio’s legacy TMDb 1.1 package, published on 16 March 2020 and licensed under the Artistic License 2.0. This package retains and modernises its compatibility interface; it is not an official update by the original author.

Installation

Install the released package from CRAN:

install.packages("tmdbR")

Alternatively, install a locally built source package from a shell:

R CMD INSTALL tmdbR_0.2.2.tar.gz

Or from R:

install.packages("tmdbR_0.2.2.tar.gz", repos = NULL, type = "source")

Authentication

Prefer caching the API Read Access Token outside scripts:

library(tmdbR)
token_file <- file.path(tempdir(), "tmdbR-token.rds")
tmdb_auth(path = token_file) # prompts and saves to an explicit path
movie(id = 550)

View or remove the cache without displaying the token:

tmdb_token_path(token_file)
tmdb_forget_token(token_file)

A session environment variable also works:

Sys.setenv(TMDB_BEARER_TOKEN = "your-token")
library(tmdbR)
movie(id = 550)

The v3 API key remains supported:

Sys.setenv(TMDB_API_KEY = "your-key")
search_movie(query = "Spirited Away")

Never commit either credential. Explicit api_key arguments continue to work for compatibility with TMDb 1.1.

Credentials are resolved in this order: explicit request credentials, TMDB_BEARER_TOKEN, TMDB_API_KEY, then the encrypted token cache. Bearer authentication is preferred when both explicit bearer and API-key values are available.

Common workflows

Search, inspect details, and append related data in one request:

hits <- search_movie(query = "Spirited Away", language = "en-AU")
film <- movie(id = hits$results$id[[1]], append_to_response = "credits,videos")

Browse paginated results:

page_two <- movie_popular(page = 2, region = "AU")
page_two$page
page_two$total_pages
page_two$results

Discover titles available from selected streaming providers:

available <- discover_movie(
  watch_region = "AU",
  with_watch_providers = c(8, 9),
  with_watch_monetization_types = "flatrate",
  sort_by = "popularity.desc"
)

Query TV, people, images, and recent changes:

series <- tv(id = 1399, append_to_response = "credits,videos")
actor <- person_tmdb(id = 287, append_to_response = "combined_credits")
artwork <- movie_images(id = 550, include_image_language = c("en", "null"))
changed <- changes_movie(
  start_date = as.character(Sys.Date() - 6),
  end_date = as.character(Sys.Date())
)

Generic requests

Endpoints not covered by a convenience wrapper can be queried directly:

tmdb_request("trending/movie/week", query = list(language = "en-AU"))

Use tmdb_config() for non-default timeouts or retry attempts:

cfg <- tmdb_config(timeout = 30, max_tries = 5)
tmdb_request("movie/550", config = cfg)

tmdb_request() retries HTTP 429 and transient server failures, then reports TMDB’s status code and message as an R error.

Automatic pagination

Single-page wrappers remain unchanged. Use tmdb_paginate() to collect pages from an existing wrapper:

films <- tmdb_paginate(
  search_movie,
  query = "Star Wars",
  max_pages = 5,
  max_results = 75,
  deduplicate_by = "id"
)

films$results
films$pages_fetched
films$truncated

Use tmdb_request_all() for a generic paginated endpoint:

sci_fi <- tmdb_request_all(
  "discover/movie",
  query = list(with_genres = 878, sort_by = "popularity.desc"),
  max_pages = 3
)

Eligible result functions can paginate directly:

popular <- movie_popular(
  region = "AU",
  paginate = TRUE,
  max_pages = 5,
  max_results = 100,
  progress = TRUE
)

Pagination is opt-in. Safe defaults limit retrieval to five pages, 100 results, and approximately 100 MB. Set max_pages = Inf, max_results = Inf, or max_memory_mb = Inf explicitly to remove a limit. Requests are sequential with a short delay and retain retry and HTTP 429 handling. Interactive calls report the planned work, each completed page, and whether the final result was complete or truncated. Use simplify = FALSE for heterogeneous fields.

Important: TMDB controls page size. Standard search, discover, and list endpoints currently return up to 20 records per full page, while global movie, TV, and person change feeds currently return up to 100. Final pages can be shorter, and TMDB does not document a supported page-size parameter. The package counts actual results and follows total_pages; it does not hardcode a page size.

Migrating from TMDb 1.1

Existing calls can generally be retained; the first api_key argument is now optional when an environment credential is configured. Important remappings:

• movie_releases() uses /release_dates.
• keyword_movies(), company_movies(), and genres_movies() use supported /discover/movie filters.
• search_list() uses collection search because the old list-search endpoint is no longer part of the current v3 reference.
• Extra supported filters can be supplied through ... on discover-based compatibility functions.

See help(package = "tmdbR"), help(tmdb_request), and the category index pages help(tmdb_movies), help(tmdb_tv), help(tmdb_people), and help(tmdb_search).

For a guided introduction, run vignette("getting-started", package = "tmdbR").

Testing

Rscript -e 'testthat::test_local()'
R CMD build .
R CMD check --as-cran tmdbR_0.2.2.tar.gz

Live smoke tests are skipped unless TMDB_LIVE_TESTS=true and a credential is available.

Report problems at the tmdbR issue tracker.

This product uses the TMDB API but is not endorsed or certified by TMDB. See the TMDB API documentation and comply with TMDB’s attribution and terms requirements in downstream apps.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.