Hi,
I had a hard time, earlier today, figuring out what was the rules for
converting newline characters (only from the code of
io.TextIOWrapper). So, I wrote some notes for myself. I don't know if
there's any documentation about this yet -- that is why am posting my
notes to the list. Free it to use them for whatever you want to.
Cheers,
-- Alexandre
Known newline type:
LF: \n or "universal newline"
CRLF: \r\n
CR: \r
Argument |
value | Notes
---------+-------------------------------------------------------
None | Default mode for open().
| LF are converted to the value of os.linesep on writes.
| Convert any known newline type to LF on reads.
| Readline splits on LF.
---------+-------------------------------------------------------
"" | No conversions on writes.
| No conversions on reads.
| Readline splits on any known newline type.
---------+-------------------------------------------------------
LF | Default mode for StringIO.
| No conversions on writes.
| No conversions on reads.
| Readline splits on LF.
---------+-------------------------------------------------------
CRLF | Convert LF to CRLF on writes.
| No conversions on reads.
| Readline splits on CRLF.
---------+-------------------------------------------------------
CR | Convert LF to CR on writes.
| No conversions on reads.
| Readline splits on CR.
---------+-------------------------------------------------------
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