trunk/scons/graphviz.py

import os, platform, subprocess
from SCons.Script import *

def generate(env):
    """
    Detect Graphviz settings and add them to the environment.
    """
    try:
        if platform.system()=="Windows":
            import _winreg
            x=_winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
            y= _winreg.OpenKey(x,r"SOFTWARE\graphviz")
            LIB,t = _winreg.QueryValueEx(y,"INSTALL_LIB")
            BIN,t = _winreg.QueryValueEx(y,"INSTALL_BIN")
            INCLUDE,t = _winreg.QueryValueEx(y,"INSTALL_INCLUDE")

            env['GRAPHVIZ_CPPPATH'] = [INCLUDE]
            env['GRAPHVIZ_LIBPATH'] = [LIB]
            env['GRAPHVIZ_LIBS'] = ['graph']
            env['HAVE_GRAPHVIZ'] = True
                                    
        else:
            cmd = ['pkg-config','libgvc','libagraph','--cflags','--libs']
            env1 = env.Copy()
            env1['CPPPATH'] = None
            env1['LIBPATH'] = None
            env1['LIBS'] = None
            env1.ParseConfig(cmd)
            env['GRAPHVIZ_CPPPATH'] = env1.get('CPPPATH')
            env['GRAPHVIZ_LIBPATH'] = env1.get('LIBPATH')
            env['GRAPHVIZ_LIBS'] = env1.get('LIBS')
            env['HAVE_GRAPHVIZ'] = True

        print "GRAPHVIZ_LIBS =",env.get('GRAPHVIZ_LIBS')
        print "GRAPHVIZ_LIBPATH =",env.get('GRAPHVIZ_LIBPATH')
        print "GRAPHVIZ_CPPPATH =",env.get('GRAPHVIZ_CPPPATH')

    except:
        env['HAVE_GRAPHVIZ'] = False

def exists(env):
    """
    Make sure this tool exists.
    """
    if platform.system()=="Windows":
        try:
            import _winreg
            x=_winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
            y= _winreg.OpenKey(x,r"SOFTWARE\graphviz")
            INCLUDE,t = _winreg.QueryValueEx(y,'INSTALL_INCLUDE')
            return True
        except:
            return False
    else:
        if not subprocess.call('pkg-config libgvc libagraph --exists'):
            return True
        return False

1	import os, platform, subprocess
2	from SCons.Script import *
3
4	def generate(env):
5	"""
6	Detect Graphviz settings and add them to the environment.
7	"""
8	try:
9	if platform.system()=="Windows":
10	import _winreg
11	x=_winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
12	y= _winreg.OpenKey(x,r"SOFTWARE\graphviz")
13	LIB,t = _winreg.QueryValueEx(y,"INSTALL_LIB")
14	BIN,t = _winreg.QueryValueEx(y,"INSTALL_BIN")
15	INCLUDE,t = _winreg.QueryValueEx(y,"INSTALL_INCLUDE")
16
17	env['GRAPHVIZ_CPPPATH'] = [INCLUDE]
18	env['GRAPHVIZ_LIBPATH'] = [LIB]
19	env['GRAPHVIZ_LIBS'] = ['graph']
20	env['HAVE_GRAPHVIZ'] = True
21
22	else:
23	cmd = ['pkg-config','libgvc','libagraph','--cflags','--libs']
24	env1 = env.Copy()
25	env1['CPPPATH'] = None
26	env1['LIBPATH'] = None
27	env1['LIBS'] = None
28	env1.ParseConfig(cmd)
29	env['GRAPHVIZ_CPPPATH'] = env1.get('CPPPATH')
30	env['GRAPHVIZ_LIBPATH'] = env1.get('LIBPATH')
31	env['GRAPHVIZ_LIBS'] = env1.get('LIBS')
32	env['HAVE_GRAPHVIZ'] = True
33
34	print "GRAPHVIZ_LIBS =",env.get('GRAPHVIZ_LIBS')
35	print "GRAPHVIZ_LIBPATH =",env.get('GRAPHVIZ_LIBPATH')
36	print "GRAPHVIZ_CPPPATH =",env.get('GRAPHVIZ_CPPPATH')
37
38	except:
39	env['HAVE_GRAPHVIZ'] = False
40
41	def exists(env):
42	"""
43	Make sure this tool exists.
44	"""
45	if platform.system()=="Windows":
46	try:
47	import _winreg
48	x=_winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
49	y= _winreg.OpenKey(x,r"SOFTWARE\graphviz")
50	INCLUDE,t = _winreg.QueryValueEx(y,'INSTALL_INCLUDE')
51	return True
52	except:
53	return False
54	else:
55	if not subprocess.call('pkg-config libgvc libagraph --exists'):
56	return True
57	return False
58