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frictionless (development version)

  • checklist tooling was removed, in favour of CITATION.cff for citation and Zenodo deposit.

frictionless 1.1.0

Changes for users

  • New function print() prints a human-readable summary of the Data Package, rather than a (long) list (#155).
  • read_package() no longer returns a message regarding rights and credit (#121). If package$id is a URL (e.g. a DOI) it will be mentioned in print().
  • add_resource() accepts additional arguments via .... These are added as (custom) properties to the resource and are retained in write_package() (#195).
  • read_resource() now supports column selection via the col_select argument from readr::read_delim(). This can vastly improve reading speed (#123). Tidy selection is not supported.
  • Error and warning messages use semantic colours for variables, parameters, fields, etc.
  • readr::problems() is included in NAMESPACE so you don't have to load readr to inspect parsing issues. The function is mentioned in the documentation of read_resource() (#129).

Changes for developers

  • A Data Package object (package) now has a datapackage class (#184). This enables a custom print() function (see above). check_package() will warn if the class is missing, so previously saved Data Package objects (without the class) will generate a warning.
  • check_package() is now a public function, so it can be used in your package (#185). This and the other check_ functions return the first argument silently (rather than TRUE), so they can be chained.
  • create_package() now accepts a descriptor argument so that a Data Package object can be created from an existing object (#184). It will always validate the created object with check_package().
  • cli::cli_abort(), cli::cli_warn() and cli::cli_inform() are used for all errors, warnings, and messages (#163). This has several advantages:
    • Messages use semantic colours for variables, parameters, fields, etc.
    • Messages and warnings can be silenced with a global or local option, see this blog post.
    • Each call has an rlang class, e.g. frictionless_error_fields_without_name, making it easier to test for specific errors.
  • glue and assertthat are removed as dependencies (#163). The functionality of glue is replaced by cli, while assertthat::assert() calls are now if () statements.
  • rlang is added as dependency (#192). It is already used by other dependencies.
  • frictionless now depends on R >= 3.5.0.

Other changes

  • The package now adheres to the requirements of checklist, so that .zenodo.json can be created with checklist::update_citation().
  • Add Pieter Huybrechts as author and Kyle Husmann as contributor. Welcome both!

frictionless 1.0.3

  • Add stringi to Suggests. It was removed as a dependency from rmarkdown 2.26, resulting in "stringi package required for encoding operations" build errors on CRAN (#176).

frictionless 1.0.2

  • Add skip_if_offline() to selected tests and verbosely include output in vignette examples, to avoid CRAN errors caused by timeouts (#116).

frictionless 1.0.1

  • Rebuild documentation for compatibility with HTML5 on request of CRAN.
  • Add funder information.

frictionless 1.0.0

frictionless 0.11.0

  • add_resource() now sets format, mediatype and encoding for added CSV file(s) (#78).
  • add_resource() now supports adding schema via path or URL.
  • write_package() now supports added data to be gzip compressed before being written to disk (#98).
  • read_resource() will now warn rather than error on unknown encoding (#86).
  • package objects no longer have or require the custom attribute resource_names, use new function resources() instead (#97).
  • package objects no longer have or require the custom attribute datapackage, making it easier to edit them as lists (with e.g. append()).

frictionless 0.10.0

  • add_resource() now supports adding CSV file(s) directly as a resource. This skips reading/handling by R and gives users control over path (#74).
  • CSV files in a remotely read package (like example_package) are now downloaded when writing with write_package(), rather than being skipped. This is more consistent with locally read packages. The behaviour for resources with a path containing URLs (only) and resources with data remains the same (no files are written). The write behaviour is better explained in the documentation (#77).
  • write_package() now silently returns the output rather than input package.
  • create_package() will set "profile" = "tabular-data-package" since packages created by frictionless meet those requirements (#81).
  • create_schema() interprets empty columns as string not boolean (#79).
  • read_package() can now read from a datapackage.yaml file.
  • read_resource() now accepts YAML Table Schemas and CSV dialects.
  • add_resource()/create_schema()'s df argument is renamed to data.
  • example_package's observations resource now has URLs as path to serve as an example for that.

frictionless 0.9.0

  • Add vignette with overview of functionality (#60).
  • Prepare frictionless for rOpenSci submission.