diff options
author | Stuart Mackie <wsmackie@juniper.net> | 2016-10-07 12:24:58 -0700 |
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committer | Stuart Mackie <wsmackie@juniper.net> | 2016-10-07 12:24:58 -0700 |
commit | 4faa7f927149a5c4ef7a03523f7bc14523cb9baa (patch) | |
tree | 0be55aa0809cc395e45baeae63db660b4e72fe83 /charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py | |
parent | 82f1a7eb5535b30a95b1e71ff18c315d40d1e6f0 (diff) |
Charms for Contrail 3.1 with Mitaka
Change-Id: Id37f3b9743d1974e31fcd7cd9c54be41bb0c47fb
Signed-off-by: Stuart Mackie <wsmackie@juniper.net>
Diffstat (limited to 'charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py')
-rw-r--r-- | charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py b/charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py new file mode 100644 index 0000000..d503f88 --- /dev/null +++ b/charms/trusty/contrail-configuration/hooks/charmhelpers/contrib/python/rpdb.py @@ -0,0 +1,58 @@ +# Copyright 2014-2015 Canonical Limited. +# +# This file is part of charm-helpers. +# +# charm-helpers is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 as +# published by the Free Software Foundation. +# +# charm-helpers 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>. + +"""Remote Python Debugger (pdb wrapper).""" + +import pdb +import socket +import sys + +__author__ = "Bertrand Janin <b@janin.com>" +__version__ = "0.1.3" + + +class Rpdb(pdb.Pdb): + + def __init__(self, addr="127.0.0.1", port=4444): + """Initialize the socket and initialize pdb.""" + + # Backup stdin and stdout before replacing them by the socket handle + self.old_stdout = sys.stdout + self.old_stdin = sys.stdin + + # Open a 'reusable' socket to let the webapp reload on the same port + self.skt = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + self.skt.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True) + self.skt.bind((addr, port)) + self.skt.listen(1) + (clientsocket, address) = self.skt.accept() + handle = clientsocket.makefile('rw') + pdb.Pdb.__init__(self, completekey='tab', stdin=handle, stdout=handle) + sys.stdout = sys.stdin = handle + + def shutdown(self): + """Revert stdin and stdout, close the socket.""" + sys.stdout = self.old_stdout + sys.stdin = self.old_stdin + self.skt.close() + self.set_continue() + + def do_continue(self, arg): + """Stop all operation on ``continue``.""" + self.shutdown() + return 1 + + do_EOF = do_quit = do_exit = do_c = do_cont = do_continue |