1 # -*- mode: python ; coding: utf-8 -*-
3 # Copyright (c) 2008 by Hartmut Goebel <h.goebel@goebel-consult.de>
4 # Licenced under the GNU General Public License v3 (GPLv3)
5 # see file LICENSE-gpl-3.0.txt
7 # Originally based on officehelper.py 1.2 comming with OOo
10 __author__ = "Hartmut Goebel <h.goebel@goebel-consult.de>"
11 __copyright__ = "Copyright (c) 2008 by Hartmut Goebel <h.goebel@goebel-consult.de>"
12 __licence__ = "GPLv3 - GNU General Public License v3"
17 from time import sleep
20 from com.sun.star.connection import NoConnectException
22 class BootstrapException(Exception): pass
24 __soffice_executable = None
26 def __find_executable():
28 Find 'soffice' executable.
30 Normaly soffice should be in the same directory as uno.py, but eg.
31 Debian does not obaj to this convention. Thus we need to search
34 global __soffice_executable
35 if __soffice_executable:
36 return __soffice_executable
37 for p in [os.path.dirname(uno.__file__),
38 '/usr/lib/openoffice/program']:
39 office = os.path.join(p, "soffice")
40 if os.path.exists(office):
43 pathes = glob.glob('/usr/lib/ooo-[234].*/program/soffice')
45 raise BootstrapExceptions('soffice executable not found')
46 pathes.sort(reverse=True)
48 __soffice_executable = office
52 def _build_connect_string(pipename=None, host=None, port=None):
54 Returns a connection description string to be used to connect to
55 this process via UnoUrlResolver().resolve().
57 Pass either a pipename for a named pipe or host and port for a
60 Note: You should use the naemd pipe whenever possible, since
61 socket are unsecure: Everybody can connect to a socket and access
62 your documents without any access control.
65 connectString = "pipe,name=%s" % pipename
67 connectString = 'socket'
68 if host: connectString += ',host='+str(host)
69 if port: connectString += ',port='+str(port)
73 def _build_cmd_args(connectString, unaccept=False):
75 Returns command arguments (including executable and options)
76 suitable for staring an background OOo instance listening on named
77 pipe or socket descripted in parameter 'connectString'.
79 If unaccept is true, the parmeter '-accept=...' will become
80 '-unaccept=...' for making the instance unlisten.
82 # soffice script used on *ix, Mac; soffice.exe used on Windoof
83 office = __find_executable()
84 if sys.platform.startswith("win"):
87 # -headless includes -invisible (which includes -nologo -nodefault)
88 accept = unaccept and '-unaccept' or '-accept'
90 "-headless", "-norestore", "%s=%s;urp;" %
91 (accept, connectString))
95 def _start_OOo(connectString):
96 """Start an OOo process listening on named pipe or socket
97 descripted in parameter 'connectString'.
99 cmdArray = _build_cmd_args(connectString)
100 # Start the office proces, don't check for exit status since
101 # an exception is caught anyway if the office terminates
103 return os.spawnv(os.P_NOWAIT, cmdArray[0], cmdArray)
106 def connect(connectString):
108 Connect to an OOo instance listening on named pipe or socket
109 descripted in parameter 'connectString'.
111 localContext = uno.getComponentContext()
112 resolver = localContext.ServiceManager.createInstanceWithContext(
113 "com.sun.star.bridge.UnoUrlResolver", localContext)
114 connect = "uno:" + connectString + ";urp;StarOffice.ComponentContext"
116 # Wait until an office is started, but loop only 20 times (10 seconds)
119 context = resolver.resolve(connect)
121 except NoConnectException:
122 sleep(0.5) # Sleep 1/2 second.
124 # for-loop completed without 'break' (this is: no connection found)
125 raise BootstrapException("Cannot connect to soffice server.")
130 def bootstrap(pipename=None, host=None, port=None):
131 """Bootstrap OOo and PyUNO Runtime.
133 If either pipename, host or port are given, connect to the OOo
134 instance listening on this pipe or hosst/port. (This is mainly for
135 convenience, so programms do not need to distinguish these cases.)
137 If non of these parameters are give, the soffice process is
138 started opening a named pipe of random name, then the local
139 context is used to access the pipe.
141 This function directly returns the remote component context, from
142 whereon you can get the ServiceManager by calling
143 getServiceManager() on the returned object.
145 if pipename or host or port:
146 connectString = _build_connect_string(pipename=pipename,
147 host=host, port=port)
149 # Generate a random pipe name.
150 pipename = "uno" + str(random.random())[2:]
151 connectString = _build_connect_string(pipename=pipename)
152 # start OOo listening on this named pipe
153 _start_OOo(connectString)
154 # get component context and return it
155 context = connect(connectString)