Unicode error in exefied Python script
Tim Daneliuk
tundra at tundraware.com
Mon Jan 20 17:30:06 EST 2003
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Mon Jan 20 17:30:06 EST 2003
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Martin v. Löwis wrote: > Tim Daneliuk <tundra at tundraware.com> writes: > > >>Exactly right - So when concatenating strings like I did above, >>Python always promotes the result to the 'higher' type? > > > Where 'higher' type means the two of the types which is the superset > of the other, in some sense - yes. It is, however, questionable which > of the types is supertype, here, since there are byte strings which > cannot be converted to Unicode, and Unicode strings which cannot be > converted to byte strings. > > So for this situation, a special exception from this "always" rule is > made: byte strings are promoted to Unicode strings when the two are > combined. Hmmm, I don't understand this last bit at all. If this is how it works, then why did my original example fail? Win32 returned a Unicode string which I concatenated w/ an ASCII string to produce a .. Unicode string. Later, when I tried to concatenate a byte string to that new Unicode string, the program failed - i.e., the byte string does not appear to get promoted... -- ------------------------------------------------------------------------------ Tim Daneliuk tundra at tundraware.com
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