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| author | Ben Finney <ben+python@benfinney.id.au> | 2018-04-23 16:29:34 +1000 |
|---|---|---|
| committer | Ben Finney <ben@benfinney.id.au> | 2018-04-23 19:54:46 +1000 |
| commit | 950839f390dbdcd285ceae86b7ddeb4ce62a50d4 (patch) | |
| tree | bcb22e5900814862b380b3a7fe4f10f7fe013695 /alot/helper.py | |
| parent | 2441a4d7b3576eb3a1c519713974418638ab82ba (diff) | |
Raise an exception with a meaningful message.
The `assert` statement is not always executed (it can be optimised
away) so is not a suitable run-time check. Also, an exception allows
for a better error message.
Diffstat (limited to 'alot/helper.py')
| -rw-r--r-- | alot/helper.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/alot/helper.py b/alot/helper.py index 4d8d782e..e621f751 100644 --- a/alot/helper.py +++ b/alot/helper.py @@ -640,7 +640,9 @@ def email_as_bytes(mail): # If we get here and the assert triggers it means that different # parts of the email are encoded differently. I don't think we're # likely to see that, but it's possible - assert {'utf-8', 'ascii', 'us-ascii'}.issuperset(charsets), charsets + if not {'utf-8', 'ascii', 'us-ascii'}.issuperset(charsets): + raise RuntimeError( + "different encodings detected: {}".format(charsets)) charset = 'utf-8' # It's a strict super-set else: charset = 'utf-8' |