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https://github.com/Unstructured-IO/unstructured.git
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1eceac26c8
**Summary** Initial attempts to incrementally refactor `partition_email()` into shape to allow pluggable partitioning quickly became too complex for ready code-review. Prepare separate rewritten module and tests and swap them out whole. **Additional Context** - Uses the modern stdlib `email` module to reliably accomplish several manual decoding steps in the legacy code. - Remove obsolete email-specific element-types which were replaced 18 months or so ago with email-specific metadata fields for things like Cc: addresses, subject, etc. - Remove accepting an email as `text: str` because MIME-email is inherently a binary format which can and often does contain multiple and contradictory character-encodings. - Remove `encoding` parameters as it is now unused. An email file is not a text file and as such does not have a single overall encoding. Character encoding is specified individually for each MIME-part within the message and often varies from one part to another in the same message. - Remove the need for a caller to specify `attachment_partitioner`. There is only one reasonable choice for this which is `auto.partition()`, consistent with the same interface and operation in `partition_msg()`. - Fixes #3671 along the way by silently skipping attachments with a file-type for which there is no partitioner. - Substantially extend the test-suite to cover multiple transport-encoding/charset combinations. --------- Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com> Co-authored-by: scanny <scanny@users.noreply.github.com>
23 lines
985 B
Plaintext
23 lines
985 B
Plaintext
From: sender@example.com
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To: recipient@example.com
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Date: Tue, 01 Oct 2024 12:34:56 -0500
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Subject: Image Only Email
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MIME-Version: 1.0
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Content-Type: multipart/mixed; boundary="boundary123"
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--boundary123
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Content-Type: image/jpeg
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Content-Disposition: attachment; filename="image.jpg"
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Content-Transfer-Encoding: base64
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/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAkGBxISEBAQEhISEBAWFRUVFhUVFRUWFRUWFhUWFhUV
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FRUYHSggGBolGxUVITEhJSkrLi4uFx8zODMtNygtLisBCgoKDg0OGhAQGi0fHx8rLS0rLS0rLS0t
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LS0rLS0rLS0rLS0rLS0rLS0rLS0rLS0rLS0tLS0rLS0rLS0rLS0rLf/AABEIAMgAyAMBIgACEQED
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EQH/xAAbAAEAAgMBAQAAAAAAAAAAAAAABAUCAwYBB//EAD0QAAIBAwMBBgQEBgIDCQAAAAECAwAE
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ERIhBTFBBhMiUWFxgZEykaGxFCNCUrHB0fAUM2JygpLwFySTwsL/xAAYAQEBAQEBAAAAAAAAAAAA
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AAAABQEDBP/EAB8RAQEBAQEBAQEBAQEAAAAAAAABEQIhEjEEQVFhcf/aAAwDAQACEQMRAD8A+6qK
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CiiggqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgq
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CiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCooIKgqCiiCo
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[Base64 encoded image data continues]
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--boundary123--
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