configurator.py
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#!/usr/bin/env python
###############################################################################
# mjc-broker #
# configurator.py #
# #
# (C) 2016 David Zhong #
# #
# Permission is hereby granted, free of charge, to any person obtaining a #
# copy of this software and associated documentation files (the "Software"), #
# to deal in the Software without restriction, including without limitation #
# the rights to use, copy, modify, merge, publish, distribute, sublicense, #
# and/or sell copies of the Software, and to permit persons to whom the #
# Software is furnished to do so, subject to the following conditions: #
# #
# The above copyright notice and this permission notice shall be included in #
# all copies or substantial portions of the Software. #
# #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING #
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER #
# DEALINGS IN THE SOFTWARE. #
###############################################################################
import ConfigParser
import os.path
import shutil
import _winreg as winreg
SimulatorRegistryPaths = [
("MSFSX", "Software\\Microsoft\\Microsoft Games\\Flight Simulator\\10.0"),
("P3Dv3", "Software\\Lockheed Martin\\Prepar3D v3"),
("P3Dv2", "Software\\Lockheed Martin\\Prepar3D v2"),
("P3Dv1", "Software\\Lockheed Martin\\Prepar3D"),
("FSXSE", "Software\\Microsoft\Microsoft Games\\Flight Simulator - Steam Edition\\10.0"),
]
def StripNullTerminated(s):
idx = s.find("\0")
if idx >= 0:
return s[:idx]
else:
return s
def GetSimulator():
sims = []
for appname, regkey in SimulatorRegistryPaths:
try:
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, regkey)
except WindowsError:
continue
try:
path = winreg.QueryValueEx(key, "AppPath")[0]
except WindowsError:
continue
path = StripNullTerminated(path)
if os.path.isdir(path):
sims.append((appname, path))
return sims
def GetMJCPath(mjcrel="\\SimObjects\\Airplanes\\mjc8q400"):
paths = []
for sim, path in GetSimulator():
mjcpath = path + mjcrel
if os.path.isdir(mjcpath):
paths.append((sim, mjcpath))
return paths
def GetMJCIniPath(mjcroot=None, inirel="\\ini\\mjc84.ini"):
if not mjcroot:
mjcroot = GetMJCPath()[0][1]
return mjcroot + inirel
def LoadConfig(path):
config = ConfigParser.RawConfigParser()
config.optionxform = str # preserve case
config.read(path)
return config
def WriteConfig(config, path):
with open(path, "w") as fh:
config.write(fh)
def BackupFile(path, ext="bak", overwrite=True):
backup_path = path + "." + ext
if not os.path.isfile(path):
raise IOError("No file at: '%s'" % path)
if os.path.exists(backup_path) and not overwrite:
return
shutil.copyfile(path, backup_path)
def SetPairingData(local_port, remote_addr, remote_port, mjcroot=None):
inipath = GetMJCIniPath(mjcroot)
BackupFile(inipath, overwrite=False)
config = LoadConfig(inipath)
config.set("UDP_CONNECTOR_0", "UDP_BROADCAST_MASK", "%s:%d" % (remote_addr, remote_port))
config.set("UDP_CONNECTOR_0", "UDP_RECEIVE_MASK", "0.0.0.0:%d" % local_port)
WriteConfig(config, inipath)