From 5f263d88822324d98350fc660b3ca0b077bd1501 Mon Sep 17 00:00:00 2001 From: "Chris St. Pierre" Date: Mon, 12 Nov 2012 09:02:54 -0500 Subject: flush input buffers before accepting stdin --- src/lib/Bcfg2/Client/Tools/Action.py | 7 +++++++ src/lib/Bcfg2/Client/Tools/__init__.py | 6 ++++++ 2 files changed, 13 insertions(+) (limited to 'src/lib/Bcfg2/Client/Tools') diff --git a/src/lib/Bcfg2/Client/Tools/Action.py b/src/lib/Bcfg2/Client/Tools/Action.py index 7726da94c..b1a897c81 100644 --- a/src/lib/Bcfg2/Client/Tools/Action.py +++ b/src/lib/Bcfg2/Client/Tools/Action.py @@ -1,5 +1,8 @@ """Action driver""" +import os +import sys +import select import Bcfg2.Client.Tools from Bcfg2.Client.Frame import matches_white_list, passes_black_list from Bcfg2.Compat import input # pylint: disable=W0622 @@ -33,6 +36,10 @@ class Action(Bcfg2.Client.Tools.Tool): if self.setup['interactive']: prompt = ('Run Action %s, %s: (y/N): ' % (entry.get('name'), entry.get('command'))) + # flush input buffer + while len(select.select([sys.stdin.fileno()], [], [], + 0.0)[0]) > 0: + os.read(sys.stdin.fileno(), 4096) ans = input(prompt) if ans not in ['y', 'Y']: return False diff --git a/src/lib/Bcfg2/Client/Tools/__init__.py b/src/lib/Bcfg2/Client/Tools/__init__.py index 4022692be..927b25ba8 100644 --- a/src/lib/Bcfg2/Client/Tools/__init__.py +++ b/src/lib/Bcfg2/Client/Tools/__init__.py @@ -1,7 +1,9 @@ """This contains all Bcfg2 Tool modules""" import os +import sys import stat +import select from subprocess import Popen, PIPE import Bcfg2.Client.XML from Bcfg2.Compat import input, walk_packages # pylint: disable=W0622 @@ -373,6 +375,10 @@ class SvcTool(Tool): if self.setup['interactive']: prompt = ('Restart service %s?: (y/N): ' % entry.get('name')) + # flush input buffer + while len(select.select([sys.stdin.fileno()], [], [], + 0.0)[0]) > 0: + os.read(sys.stdin.fileno(), 4096) ans = input(prompt) if ans not in ['y', 'Y']: continue -- cgit v1.2.3-1-g7c22