I have a long string that I want to encode to ascii. I'm doing:
s = s.encode('ascii', 'replace')
but I get:
'ascii' codec can't decode byte 0xc3 in position 2646: ordinal not in range(128)
(I've also tried 'ignore'
but it doesn't help.)
What am I doing wrong?
Your string is already encoded with some encoding. Before encoding it to ascii, you must decode it first.
Python is implicity trying to decode it (That's why you get a UnicodeDecodeError
not UnicodeEncodeError
).
You can solve the problem by explicity decoding your bytestring (using the appropriate encoding) before trying to reencode it to ascii.
Example:
s = s.decode('some_encoding').encode('ascii', 'replace')
Use the correct encoding your string was encoded in first place, instead of 'some_encoding'
.
You have to know which encoding a string is using before you can decode it. Where did you get the string from?
encode
should be used on unicode
objects to convert it to a str
.
If you have a str object, you should use decode
to convert it to a unicode
.
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