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check if the stdout is a tty before prompting a user

Fix garbled output when the user redirects the tx output
into a pipe.
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1 parent 0f5ba34 commit 8d1de63b9925ff00ada0efd5598d2ab1a17eab5d Vrachnis Ilias-Dimitrios committed May 21, 2012
Showing with 2 additions and 1 deletion.
  1. +2 −1 txclib/
3 txclib/
@@ -93,7 +93,8 @@ def _migrate_txrc_file(self, txrc):
if hostname != orig_hostname:
msg = "Hostname %s should be changed to %s." % (orig_hostname, hostname))
- if sys.stdin.isatty() and confirm('Change it now? ', default=True):
+ if (sys.stdin.isatty() and sys.stdout.isatty() and
+ confirm('Change it now? ', default=True)):
txrc.set(section, 'hostname', hostname)
msg = 'Hostname changed'

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