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Mail charset error support

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- Try multiple charset when no charset is specified by "Content-Type" field :
begins with sys.defaultencoding utf8
then "iso-8859-1", config file encoding and finally encoding found in previous
fields "Subject" or "From".

darcs-hash:20060201110843-86b55-7fd556a8ffadd9a5fed2b3317b17bfcca9d1dc58.gz
This commit is contained in:
David Rousselie
2006-02-01 12:08:43 +01:00
parent 4a5848a66c
commit a063a69773
7 changed files with 64 additions and 13 deletions
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57
jabber/mailconnection.py
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@@ -37,6 +37,8 @@ POP3_TIMEOUT = 10
DO_NOTHING = 0
DIGEST = 1
RETRIEVE = 2
default_encoding = "iso-8859-1"
## All MY* classes are implemented to add a timeout (settimeout)
## while connecting
class MYIMAP4(imaplib.IMAP4):
@@ -192,41 +194,82 @@ class MailConnection(object):
+ str(self.online_action) + "#" + str(self.away_action) + "#" + \
str(self.xa_action) + "#" + str(self.dnd_action) + "#" + str(self.offline_action) + "#" + str(self.interval) + "#" + str(self.live_email_only)
def get_decoded_part(self, part):
def get_decoded_part(self, part, charset_hint):
content_charset = part.get_content_charset()
if content_charset:
return part.get_payload(decode=True).decode(content_charset)
return unicode(part.get_payload(decode=True).decode(content_charset))
else:
return part.get_payload(decode=True)
result = ""
try:
result = unicode(part.get_payload(decode=True))
except Exception, e:
try:
result = unicode(part.get_payload(decode=True).decode("iso-8859-1"))
except Exception, e:
try:
result = unicode(part.get_payload(decode=True).decode(default_encoding))
except Exception, e:
if charset_hint is not None:
try:
result = unicode(part.get_payload(decode=True).decode(charset_hint))
except Exception, e:
print e
return result
def format_message(self, email_msg, include_body = True):
from_decoded = email.Header.decode_header(email_msg["From"])
charset_hint = None
result = u"From : "
for i in range(len(from_decoded)):
if from_decoded[i][1]:
charset_hint = from_decoded[i][1]
result += unicode(from_decoded[i][0].decode(from_decoded[i][1]))
else:
result += unicode(from_decoded[i][0])
try:
result += unicode(from_decoded[i][0])
except Exception,e:
try:
result += unicode(from_decoded[i][0].decode("iso-8859-1"))
except Exception, e:
try:
result += unicode(from_decoded[i][0].decode(default_encoding))
except Exception, e:
print e
result += "\n"
subject_decoded = email.Header.decode_header(email_msg["Subject"])
result += u"Subject : "
for i in range(len(subject_decoded)):
if subject_decoded[i][1]:
charset_hint = subject_decoded[i][1]
result += unicode(subject_decoded[i][0].decode(subject_decoded[i][1]))
else:
result += unicode(subject_decoded[i][0])
try:
result += unicode(subject_decoded[i][0])
except Exception,e:
try:
result += unicode(subject_decoded[i][0].decode("iso-8859-1"))
except Exception, e:
try:
result += unicode(subject_decoded[i][0].decode(default_encoding))
except Exception, e:
if charset_hint is not None:
try:
result += unicode(subject_decoded[i][0].decode(charset_hint))
except Exception, e:
print e
result += u"\n\n"
if include_body:
action = {
"text/plain" : lambda part: self.get_decoded_part(part),
"text/plain" : lambda part: self.get_decoded_part(part, charset_hint),
"text/html" : lambda part: "\n<<<HTML part skipped>>>\n"
}
for part in email_msg.walk():
content_type = part.get_content_type()
if action.has_key(content_type):
result += unicode(action[content_type](part)) + u'\n'
result += action[content_type](part) + u'\n'
return result
def format_message_summary(self, email_msg):