CkPython

Zip an Email's Attachments into One File

Demonstrates the Chilkat Email.ZipAttachments method, which replaces all of an email's attachments with a single Zip file attachment having the specified filename. The original attachments are removed and packed into the Zip. This example adds two attachments and zips them into one.

Background: Bundling multiple attachments into a single .zip keeps a message tidy, compresses the payload, and works around recipients or gateways that limit the number of attachments. Note that the filename here (files.zip) names the attachment inside the message — it is not a path on disk. The reverse operation is UnzipAttachments.

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import sys
import chilkat

success = False

#  Demonstrates the ZipAttachments method, which replaces all of an email's attachments
#  with a single Zip file attachment having the specified filename.  The original
#  attachments are removed and packed into the Zip.

email = chilkat.CkEmail()
email.put_Subject("Zip the attachments")

email.AddStringAttachment("a.txt","first attachment")
email.AddStringAttachment("b.txt","second attachment")
print("NumAttachments before = " + str(email.get_NumAttachments()))

#  Replace all attachments with a single Zip attachment named "files.zip".
success = email.ZipAttachments("files.zip")
if (success == False):
    print(email.lastErrorText())
    sys.exit()

print("NumAttachments after = " + str(email.get_NumAttachments()))