Chilkat2-Python

Create a multipart/alternative MIME Entity

Demonstrates the Chilkat Mime.NewMultipartAlternative method, which initializes the object as an empty multipart/alternative entity. It takes no arguments; the alternative representations are then appended.

Background: multipart/alternative holds several renderings of the same content and lets the client pick the best one it can display — the standard way to send an email as both plain text and HTML. Order matters: parts go from least to most preferred, so the plain-text version comes first and the HTML last, and a client shows the last one it understands.

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import sys
import chilkat2

success = False

# Demonstrates the Mime.NewMultipartAlternative method, which initializes the object as an empty
# multipart/alternative entity, clearing any existing content.  It takes no arguments.

mime = chilkat2.Mime()

success = mime.NewMultipartAlternative()
if (success == False):
    print(mime.LastErrorText)
    sys.exit()

# multipart/alternative holds two representations of the SAME content; the client displays the
# last one it can render.  Add a plain-text part, then an HTML part.
textPart = chilkat2.Mime()
success = textPart.SetBodyFromPlainText("Hello (plain text version).")
if (success == False):
    print(textPart.LastErrorText)
    sys.exit()

success = mime.AppendPart(textPart)
if (success == False):
    print(mime.LastErrorText)
    sys.exit()

htmlPart = chilkat2.Mime()
success = htmlPart.SetBodyFromHtml("<html><body><b>Hello</b> (HTML version).</body></html>")
if (success == False):
    print(htmlPart.LastErrorText)
    sys.exit()

success = mime.AppendPart(htmlPart)
if (success == False):
    print(mime.LastErrorText)
    sys.exit()

print("Number of alternatives: " + str(mime.NumParts))