instructions

fail2ban-master/fail2ban/setup.py

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+# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: t -*-
+# vi: set ft=python sts=4 ts=4 sw=4 noet :
+
+# This file is part of Fail2Ban.
+#
+# Fail2Ban is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Fail2Ban is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Fail2Ban; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+__author__ = "Serg G. Brester"
+__license__ = "GPL"
+
+import os
+import sys
+
+
+def updatePyExec(bindir, executable=None):
+	"""Update fail2ban-python link to current python version (where f2b-modules located/installed)
+	"""
+	bindir = os.path.realpath(bindir)
+	if executable is None:
+		executable = sys.executable
+	pypath = os.path.join(bindir, 'fail2ban-python')
+	# if not exists or point to another version - update link:
+	isfile = os.path.isfile(os.path.realpath(pypath))
+	if not isfile or os.path.realpath(pypath) != os.path.realpath(executable):
+		if isfile:
+			os.unlink(pypath)
+		os.symlink(executable, pypath)
+	# extend current environment path (e.g. if fail2ban not yet installed):
+	if bindir not in os.environ["PATH"].split(os.pathsep):
+		os.environ["PATH"] = os.environ["PATH"] + os.pathsep + bindir;