[Python-Dev] eval and triple quoted strings (original) (raw)
Guido van Rossum guido at python.org
Mon Jun 17 19:22:01 CEST 2013
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On Mon, Jun 17, 2013 at 10:04 AM, Walter Dörwald <walter at livinglogic.de> wrote:
I expected that eval()ing a string that contains the characters
U+0027: APOSTROPHE U+0027: APOSTROPHE U+0027: APOSTROPHE U+000D: CR U+000A: LR U+0027: APOSTROPHE U+0027: APOSTROPHE U+0027: APOSTROPHE to return a string containing the characters: U+000D: CR U+000A: LR
No. Executing a file containing those exact characters produces a string containing only '\n' and exec/eval is meant to behave the same way. The string may not have originated from a file, so the universal newlines behavior of the io module is irrelevant here -- the parser must implement its own equivalent processing, and it does.
-- --Guido van Rossum (python.org/~guido)
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