Mercurial > public > mercurial-scm > hg
comparison mercurial/ui.py @ 22291:3b39e1522d8f
ui: add brief comment why raw_input() needs dummy ' ' prompt string
Retrieved from 17ffb30d9174.
I was about to move ' ' to label(msg + ' ', 'ui.prompt') so that subclass can
distinguish prompt output from data. But it was not that simple.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Sun, 24 Aug 2014 12:35:53 +0900 |
| parents | 9fa429723f26 |
| children | fdfc9faca273 |
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| 22290:dcb95aadf850 | 22291:3b39e1522d8f |
|---|---|
| 624 # self.fout) with (sys.stdin, sys.stdout) | 624 # self.fout) with (sys.stdin, sys.stdout) |
| 625 oldin = sys.stdin | 625 oldin = sys.stdin |
| 626 oldout = sys.stdout | 626 oldout = sys.stdout |
| 627 sys.stdin = self.fin | 627 sys.stdin = self.fin |
| 628 sys.stdout = self.fout | 628 sys.stdout = self.fout |
| 629 # prompt ' ' must exist; otherwise readline may delete entire line | |
| 630 # - http://bugs.python.org/issue12833 | |
| 629 line = raw_input(' ') | 631 line = raw_input(' ') |
| 630 sys.stdin = oldin | 632 sys.stdin = oldin |
| 631 sys.stdout = oldout | 633 sys.stdout = oldout |
| 632 | 634 |
| 633 # When stdin is in binary mode on Windows, it can cause | 635 # When stdin is in binary mode on Windows, it can cause |