CkPython

Save a MIME Body (Attachment) to a File

Demonstrates the Chilkat Mime.SaveBody method, which writes the decoded body bytes of the current part to a file. The only argument is the file path. Base64 and quoted-printable are decoded; MIME headers and multipart framing are not written.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is the direct way to extract a part's content to disk — saving an attachment or the payload of a part as its real, decoded bytes. Chilkat reverses the transfer encoding so the file contains the actual content, not its Base64 form. To reach a specific attachment in a multipart message, navigate to that part (for example with PartAt) before calling this.

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import sys
import chilkat

success = False

mime = chilkat.CkMime()
success = mime.LoadMimeFile("qa_data/message.eml")
if (success == False):
    print(mime.lastErrorText())
    sys.exit()

#  Write the decoded body bytes of the current part to a file.  Base64 and quoted-printable are
#  decoded; MIME headers and multipart framing are not written.  This is how you save an
#  attachment or the raw content of a part.
success = mime.SaveBody("qa_output/body_content.dat")
if (success == False):
    print(mime.lastErrorText())
    sys.exit()

print("Body saved.")