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ui: add _isatty method to easily disable cooked I/O

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This commit is contained in:
Matt Mackall 2012-05-20 14:31:56 -05:00
parent e54da6574b
commit b267442ddb
1 changed files with 8 additions and 3 deletions
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11
mercurial/ui.py
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@ -492,6 +492,11 @@ class ui(object):
try: self.ferr.flush()
except (IOError, ValueError): pass
def _isatty(self, fh):
if self.configbool('ui', 'nontty', False):
return False
return util.isatty(fh)
def interactive(self):
'''is interactive input allowed?
@ -510,7 +515,7 @@ class ui(object):
if i is None:
# some environments replace stdin without implementing isatty
# usually those are non-interactive
return util.isatty(self.fin)
return self._isatty(self.fin)
return i
@ -548,12 +553,12 @@ class ui(object):
if i is None:
# some environments replace stdout without implementing isatty
# usually those are non-interactive
return util.isatty(self.fout)
return self._isatty(self.fout)
return i
def _readline(self, prompt=''):
if util.isatty(self.fin):
if self._isatty(self.fin):
try:
# magically add command line editing support, where
# available