![python email parser get encoding python email parser get encoding](https://i.stack.imgur.com/nJxiq.jpg)
Other Mailman3 installations are also encountering this issue.
PYTHON EMAIL PARSER GET ENCODING PATCH
Perhaps the suggested patch in doesn't address every possible case, and it can result in a slightly garbled message due to replacing 'invalid' characters, but in my case at least, it is much preferable to the alternative. and that's where the exception was thrown. The message was processed by Mailman, but when Mailman's handler pipeline attempted to save it for the digest, it calls an instance of mailbox.MMDF to add the message to the mailbox accumulating messages for the digest, and that in turn calls the flatten method of an instance. However, All I had to go by was the message object from the shunted pickle file created as a result of the exception. I can't say for sure what the actual original message looked like, but it was received by Mailman's LMTP server and parsed with ssage_from_bytes(), so it clearly wasn't exactly like the message excerpt I posted in the report above.
![python email parser get encoding python email parser get encoding](https://www.nltk.org/images/polish-utf8.png)
This came about because of an actual situation in a Mailman 3 installation. Really, message_as_string and friends should just be avoided entirely, maybe even deprecated. I put "fix" in quotes, because even if you make text parts like this example work, you still can't handle non-text 8bit mime parts. I have no idea how complicated it will be do that, and it would be a new feature: parsing strings is specified to only work with ASCII input, currently. In theory you could "fix" this by encoding the unicode using the charset specified by the container. Using errors=replace is not crazy, but it hides the actual problem. You'll get the same error if you replace the garbage with the "’".
![python email parser get encoding python email parser get encoding](https://pythontect.com/wp-content/uploads/2020/11/image-10.png)
(That will work if the input message only contains ascii, but not if it contains unicode). Since you parsed it as a string it is not really legitimate to serialize it as bytes. UnicodeEncodeError: 'ascii' codec can't encode character '\xe2' in position 33: ordinal not in range(128)Īuthor: R. Self._fp.write(s.encode('ascii', 'surrogateescape')) Super(BytesGenerator,self)._handle_text(msg)įile "/usr/local/lib/python3.7/ email/generator.py", line 249, in _handle_textįile "/usr/local/lib/python3.7/ email/generator.py", line 155, in _write_linesįile "/usr/local/lib/python3.7/ email/generator.py", line 406, in write I think thatâ**s the way to go.įile "/usr/local/lib/python3.7/ email/message.py", line 178, in as_bytesįile "/usr/local/lib/python3.7/ email/generator.py", line 116, in flattenįile "/usr/local/lib/python3.7/ email/generator.py", line 181, in _writeįile "/usr/local/lib/python3.7/ email/generator.py", line 214, in _dispatchįile "/usr/local/lib/python3.7/ email/generator.py", line 432, in _handle_text Thursday-Monday will cover both days of staging and then storing goods From: To: Subject: Century Dates for Insurance purposes The following interactive python session shows the issue. That's not really relevant but is just to show how such a message can be generated. The original message was created by an arguably defective email client that quoted a message containing a utf8 encoded RIGHT SINGLE QUOTATION MARK and utf-8 encoded separately the three bytes resulting in `â**` instead of `’`. Here, the message can be flattened as a string but can't be flattened as bytes. In that issue, the message couldn't be flattened as a string but could be flattened as bytes. This is similar to but is the opposite behavior. Python 3.9, Python 3.8, Python 3.7, Python 3.6, Python 3.5Ĭreated on 19:48 by msapiro, last changed 04:30 by msapiro. Email parser creates a message object that can't be flattened as bytes.