1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
# -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#*************************************************************************
#
# 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, mod.__dict__)
mod.__file__ = encfile(filename)
g_loadedComponents[url] = mod
return mod
elif "vnd.openoffice.pymodule" == protocol:
nSlash = dependent.rfind('/')
if -1 != nSlash:
path = unohelper.fileUrlToSystemPath( dependent[0:nSlash] )
dependent = dependent[nSlash+1:len(dependent)]
if not path in sys.path:
sys.path.append( path )
mod = __import__( dependent )
path_component, dot, rest = dependent.partition('.')
while dot == '.':
path_component, dot, rest = rest.partition('.')
mod = getattr(mod, path_component)
return mod
else:
if DEBUG:
print("Unknown protocol '" + protocol + "'");
raise RuntimeException( "PythonLoader: Unknown protocol " +
protocol + " in url " +url, self )
except Exception as e:
if DEBUG:
print ("Python import exception " + str(type(e)) +
" message " + str(e) + " args " + str(e.args));
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 DEBUG:
print ("Fetched ImplHelper as " + str(implHelper))
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
# vim:set shiftwidth=4 softtabstop=4 expandtab:
|
