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add_resource() now allows to replace an existing
resource (#227).read_resource() now returns an error if both
path and data are provided (#143).write_package() no longer writes to "." by
default, since this is not allowed by CRAN policies. The user needs to
explicitly define a directory (#205).null values in a read datapackage.json are
now retained by write_package(), rather than being changed
to empty lists. Properties assigned by the user to NA and
NULL remain being written as null and removed
respectively (#203).vignette("data-package"),
vignette("data-resource"),
vignette("table-dialect") and
vignette("table-schema") describe how frictionless
implements the Data Package standard. The (verbose) function
documentation of read_resource() and
create_schema() has been moved to these vignettes,
improving readability and maintenance (#208, #246).example_package is removed in
favour of the function example_package(). This function
allows to reproducibly provide a local Data Package, without the need
for an internet connection. The observations resource was
also changed from a remote to a local resource and from CSV to TSV.
This change affects the use of example_package in
older versions of frictionless. We recommend to update
frictionless to the latest version (#114, #253).read_resource() is now more modular under the hood,
which should make it easier to extend (#210).CITATION.cff for citation and
Zenodo deposit (#206).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.write_package() no longer adds
"profile": "tabular-data-package" to
datapackage.json. It is also removed from the example
dataset (#188).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).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:
frictionless_error_fields_without_name, making it
easier to test for specific errors.assertthat::assert() calls are now
if () statements..zenodo.json can be created with
checklist::update_citation().Suggests. It was removed as a dependency from rmarkdown 2.26,
resulting in “stringi package required for encoding operations” build
errors on CRAN (#176).skip_if_offline() to selected tests and verbosely
include output in vignette examples, to avoid CRAN errors caused by
timeouts (#116).datapackage.json, resource files, schemas) can
now be read from (s)ftp:// URLs (#102).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()).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).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.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.