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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