instance method
open
Ruby on Rails 8.1.4.1
Since v6.0.6.1Signature
open(tmpdir: nil, &block)Downloads the blob to a tempfile on disk. Yields the tempfile.
The tempfile’s name is prefixed with ActiveStorage- and the blob’s ID. It keeps the blob filename’s extension when that extension denotes the blob’s content type, and has no extension otherwise.
By default, the tempfile is created in Dir.tmpdir. Pass tmpdir: to create it in a different directory:
blob.open(tmpdir: "/path/to/tmp") do |file|
# ...
end
The tempfile is automatically closed and unlinked after the given block is executed.
Raises ActiveStorage::IntegrityError if the downloaded data does not match the blob’s checksum.
Parameters
-
tmpdirkey = nil -
blockblock
Source
# File activestorage/app/models/active_storage/blob.rb, line 320
def open(tmpdir: nil, &block)
service.open(
key,
checksum: checksum,
verify: !composed,
name: [ "ActiveStorage-#{id}-", tempfile_extension ],
tmpdir: tmpdir,
&block
)
end
Defined in activestorage/app/models/active_storage/blob.rb line 320
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Defined in ActiveStorage::Blob