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# -*- coding: utf-8 -*-
import os
import sys
import traceback
import platform
_tulipNativeLibsPath = os.path.dirname(__file__) + '/native/'
sys.path.append(_tulipNativeLibsPath)
if platform.system() == 'Windows':
os.environ['PATH'] = _tulipNativeLibsPath + ';' + os.environ['PATH']
import _tulip
sys.path.pop()
class tlpType(_tulip.tlp.__class__):
def __getattr__(cls, name):
if hasattr(_tulip.tlp, name):
return _tulip.tlp.getTulipGlobalVar(name)
else:
raise AttributeError(name)
def __setattr__(cls, name, value):
if hasattr(_tulip.tlp, name):
_tulip.tlp.setTulipGlobalVar(name, value)
else:
super(tlpType, cls).__setattr__(name, value)
# utility function from the 'six' module
def with_metaclass(meta, *bases):
"""Create a base class with a metaclass."""
# This requires a bit of explanation: the basic idea is to make a dummy
# metaclass for one level of class instantiation that replaces itself with
# the actual metaclass.
class metaclass(meta):
def __new__(cls, name, this_bases, d):
return meta(name, bases, d)
return type.__new__(metaclass, 'temporary_class', (), {})
class tlp(with_metaclass(tlpType, _tulip.tlp)):
@staticmethod
def loadTulipPythonPlugin(pluginFilePath):
if not os.path.isfile(pluginFilePath) or not pluginFilePath.endswith('.py'):
return False
try:
pluginFile = open(pluginFilePath)
pluginFileContent = pluginFile.read()
except:
return False
if not 'tulipplugins.register' in pluginFileContent:
return False
modulePath = os.path.dirname(pluginFilePath)
moduleName = os.path.basename(pluginFilePath)[:-3]
if not modulePath in sys.path:
sys.path.append(modulePath)
try:
mod = __import__(moduleName)
except ImportError:
sys.stdout.write('There was an error when trying to load the Tulip Python plugin from the file ' + pluginFilePath + '. See stack trace below.\\n')
traceback.print_exc()
return False
return True
@staticmethod
def loadTulipPluginsFromDir(pluginsDirPath, loadCppPlugin=True, pluginLoader=None):
if not os.path.exists(pluginsDirPath):
return False
if loadCppPlugin:
tlp.loadPluginsFromDir(pluginsDirPath, pluginLoader, False)
files = os.listdir(pluginsDirPath)
for file in files:
filePath = pluginsDirPath+'/'+file
if not os.path.isdir(filePath):
tlp.loadTulipPythonPlugin(filePath)
for file in files:
filePath = pluginsDirPath+'/'+file
if os.path.isdir(filePath):
tlp.loadTulipPluginsFromDir(filePath, loadCppPlugin, pluginLoader)
return True
tulipVersion = tlp.getTulipRelease()
tulipVersion = tulipVersion[:tulipVersion.rfind('.')]
startupScriptsPath = tlp.TulipLibDir + '/tulip/python/startup'
startupScriptsHomePath = os.path.expanduser('~') + '/.Tulip-' + tulipVersion + '/python/startup'
def runStartupScripts(scriptsPath):
if not os.path.exists(scriptsPath):
return
files = os.listdir(scriptsPath)
for file in files:
filePath = scriptsPath+'/'+file
if os.path.isfile(filePath) and filePath.endswith('.py'):
exec(compile(open(filePath).read(), filePath, 'exec'), globals(), locals())
runStartupScripts(startupScriptsPath)
runStartupScripts(startupScriptsHomePath)
tlpPythonPluginsPath = tlp.TulipLibDir + '/tulip/python'
tlpPythonPluginsHomePath = os.path.expanduser('~') + '/.Tulip-' + tulipVersion + '/plugins/python'
tlp.loadTulipPluginsFromDir(tlpPythonPluginsPath, False)
tlp.loadTulipPluginsFromDir(tlpPythonPluginsHomePath, False)
tlp.loadTulipPluginsFromDir(_tulipNativeLibsPath + 'plugins')
__all__ = ['tlp']
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