def create_header(key, value, charset):
"""Create an appropriate email Header."""
maxlength = MAXHEADERLEN - (len(key) + 2)
# Do not sent very short headers
if maxlength < 10:
raise TracError(_("Header length is too short"))
email = None
if isinstance(value, (tuple, list)):
value, email = value
if not isinstance(value, basestring):
value = to_unicode(value)
if not value:
return email
# when it matches mime-encoding, encode as mime even if only
# ascii characters
header = None
if not _mime_encoding_re.search(value):
try:
tmp = value.encode('ascii')
except UnicodeEncodeError:
pass
else:
header = Header(tmp, 'ascii', maxlinelen=maxlength)
if not header:
header = Header(value.encode(charset.output_codec),
charset,
maxlinelen=maxlength)
header = str(header)
if email:
header = header.replace('\\', r'\\').replace('"', r'\"')
header = '"%s" <%s>' % (header, email)
return header
def makeEncodedEmail(self, encoding_name, actual_encoding):
email = self.factory.makeEmailMessage(body=self.high_characters)
email.set_type('text/plain')
email.set_charset(encoding_name)
macroman = Header(self.high_characters, actual_encoding).encode()
new_subject = macroman.replace(actual_encoding, encoding_name)
email.replace_header('Subject', new_subject)
return email
def makeEncodedEmail(self, encoding_name, actual_encoding):
email = self.factory.makeEmailMessage(body=self.high_characters)
email.set_type('text/plain')
email.set_charset(encoding_name)
macroman = Header(self.high_characters, actual_encoding).encode()
new_subject = macroman.replace(actual_encoding, encoding_name)
email.replace_header('Subject', new_subject)
return email
def create_header(key, value, charset):
"""Create an email Header.
The `key` is always a string and will be converted to the
appropriate `charset`. The `value` can either be a string or a
two-element tuple where the first item is the name and the
second item is the email address.
See `set_header()` for a helper that sets a header directly on a
message.
"""
maxlength = MAXHEADERLEN - (len(key) + 2)
# Do not sent very short headers
if maxlength < 10:
raise TracError(_("Header length is too short"))
email = None
if isinstance(value, (tuple, list)):
value, email = value
if not isinstance(value, str):
value = to_unicode(value)
if not value:
return email
# when it matches mime-encoding, encode as mime even if only
# ascii characters
header = None
if not _mime_encoding_re.search(value):
try:
tmp = value.encode('ascii')
except UnicodeEncodeError:
pass
else:
header = Header(tmp, 'ascii', maxlinelen=maxlength)
if not header:
header = Header(value.encode(charset.output_codec),
charset,
maxlinelen=maxlength)
header = str(header)
if email:
header = header.replace('\\', r'\\').replace('"', r'\"')
header = '"%s" <%s>' % (header, email)
return header