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Diffstat (limited to 'pyuno/source/loader/pythonloader.py')
| -rw-r--r-- | pyuno/source/loader/pythonloader.py | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/pyuno/source/loader/pythonloader.py b/pyuno/source/loader/pythonloader.py new file mode 100644 index 000000000000..15fe57481f5a --- /dev/null +++ b/pyuno/source/loader/pythonloader.py @@ -0,0 +1,151 @@ +#************************************************************************* +# +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# Copyright 2000, 2010 Oracle and/or its affiliates. +# +# OpenOffice.org - a multi-platform office productivity suite +# +# This file is part of OpenOffice.org. +# +# OpenOffice.org is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 +# only, as published by the Free Software Foundation. +# +# OpenOffice.org 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 version 3 for more details +# (a copy is included in the LICENSE file that accompanied this code). +# +# You should have received a copy of the GNU Lesser General Public License +# version 3 along with OpenOffice.org. If not, see +# <http://www.openoffice.org/license.html> +# for a copy of the LGPLv3 License. +# +#************************************************************************* +import uno +import unohelper +import sys +import imp +import os +from com.sun.star.uno import Exception,RuntimeException +from com.sun.star.loader import XImplementationLoader +from com.sun.star.lang import XServiceInfo + +MODULE_PROTOCOL = "vnd.openoffice.pymodule:" +DEBUG = 0 + +g_supportedServices = "com.sun.star.loader.Python", # referenced by the native C++ loader ! +g_implementationName = "org.openoffice.comp.pyuno.Loader" # referenced by the native C++ loader ! + +def splitUrl( url ): + nColon = url.find( ":" ) + if -1 == nColon: + raise RuntimeException( "PythonLoader: No protocol in url " + url, None ) + return url[0:nColon], url[nColon+1:len(url)] + +g_loadedComponents = {} +def checkForPythonPathBesideComponent( url ): + path = unohelper.fileUrlToSystemPath( url+"/pythonpath.zip" ); + if DEBUG == 1: + print "checking for existence of " + encfile( path ) + if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path: + if DEBUG == 1: + print "adding " + encfile( path ) + " to sys.path" + sys.path.append( path ) + + path = unohelper.fileUrlToSystemPath( url+"/pythonpath" ); + if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path: + if DEBUG == 1: + print "adding " + encfile( path ) + " to sys.path" + sys.path.append( path ) + +def encfile(uni): + return uni.encode( sys.getfilesystemencoding()) + +class Loader( XImplementationLoader, XServiceInfo, unohelper.Base ): + def __init__(self, ctx ): + if DEBUG: + print "pythonloader.Loader ctor" + self.ctx = ctx + + def getModuleFromUrl( self, url ): + if DEBUG: + print "pythonloader: interpreting url " +url + protocol, dependent = splitUrl( url ) + if "vnd.sun.star.expand" == protocol: + exp = self.ctx.getValueByName( "/singletons/com.sun.star.util.theMacroExpander" ) + url = exp.expandMacros(dependent) + protocol,dependent = splitUrl( url ) + + if DEBUG: + print "pythonloader: after expansion " +protocol +":" + dependent + + try: + if "file" == protocol: + # remove \..\ sequence, which may be useful e.g. in the build env + url = unohelper.absolutize( url, url ) + + # did we load the module already ? + mod = g_loadedComponents.get( url ) + if not mod: + mod = imp.new_module("uno_component") + + # check for pythonpath.zip beside .py files + checkForPythonPathBesideComponent( url[0:url.rfind('/')] ) + + # read the file + filename = unohelper.fileUrlToSystemPath( url ) + fileHandle = file( filename ) + src = fileHandle.read().replace("\r","") + if not src.endswith( "\n" ): + src = src + "\n" + + # compile and execute the module + codeobject = compile( src, encfile(filename), "exec" ) + exec codeobject in mod.__dict__ + mod.__file__ = encfile(filename) + g_loadedComponents[url] = mod + return mod + elif "vnd.openoffice.pymodule" == protocol: + return __import__( dependent ) + else: + raise RuntimeException( "PythonLoader: Unknown protocol " + + protocol + " in url " +url, self ) + except ImportError, e: + raise RuntimeException( "Couldn't load "+url+ " for reason "+str(e), None) + return None + + def activate( self, implementationName, dummy, locationUrl, regKey ): + if DEBUG: + print "pythonloader.Loader.activate" + + mod = self.getModuleFromUrl( locationUrl ) + implHelper = mod.__dict__.get( "g_ImplementationHelper" , None ) + if implHelper == None: + return mod.getComponentFactory( implementationName, self.ctx.ServiceManager, regKey ) + else: + return implHelper.getComponentFactory( implementationName,regKey,self.ctx.ServiceManager) + + def writeRegistryInfo( self, regKey, dummy, locationUrl ): + if DEBUG: + print "pythonloader.Loader.writeRegistryInfo" + + mod = self.getModuleFromUrl( locationUrl ) + implHelper = mod.__dict__.get( "g_ImplementationHelper" , None ) + if implHelper == None: + return mod.writeRegistryInfo( self.ctx.ServiceManager, regKey ) + else: + return implHelper.writeRegistryInfo( regKey, self.ctx.ServiceManager ) + + def getImplementationName( self ): + return g_implementationName + + def supportsService( self, ServiceName ): + return ServiceName in self.serviceNames + + def getSupportedServiceNames( self ): + return g_supportedServices + + |