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#! /usr/bin/env python
# encoding: utf-8
#
# Copyright (C) 2008,2009 Nedko Arnaudov <nedko@arnaudov.name>
#
# waf tool for lv2 plugins
import Object
from Object import taskgen, after, before, feature
from Common import install_files
import os
import Params
import shutil
from Configure import g_maxlen
#g_maxlen = 40
def display_msg(msg, status = None, color = None):
sr = msg
global g_maxlen
g_maxlen = max(g_maxlen, len(msg))
if status:
print "%s :" % msg.ljust(g_maxlen),
Params.pprint(color, status)
else:
print "%s" % msg.ljust(g_maxlen)
def get_lv2_install_dir():
envvar = 'LV2_PATH'
has_lv2_path = os.environ.has_key(envvar)
if has_lv2_path:
display_msg("Checking LV2_PATH")
else:
display_msg("Checking LV2_PATH", "not set", 'YELLOW')
return None
if has_lv2_path:
lv2paths = os.environ[envvar].split(':')
for lv2path in lv2paths:
if not os.path.isdir(lv2path):
display_msg(' ' + lv2path, 'not directory!', 'YELLOW')
continue
if not os.access(lv2path, os.W_OK):
display_msg(' ' + lv2path, 'not writable', 'YELLOW')
continue
display_msg(' ' + lv2path, 'looks good', 'GREEN')
return lv2path
return None
class lv2plugin_proxy_abstract(Object.task_gen):
def __init__(self, tool, hook):
Object.task_gen.__init__(self)
self.tool = tool
self.hook = hook
def the_hook(self, obj, node):
#print "-------------- '%s'" % node
#print "tool '%s'" % self.tool
#print "tool.target '%s'" % self.tool.target
#print "hook '%s'" % self.hook
#print "obj '%s'" % obj
#print "self '%s'" % self
self.hook(self.tool, node)
class lv2plugin_taskgen(Object.task_gen):
def __init__(self, type = 'cpp', env=None):
Object.task_gen.__init__(self)
self.type = type
self.tool = Object.task_gen.classes[type]('shlib')
if type == 'cpp':
self.tool.m_type_initials = 'cpp'
self.tool.features.append('cc')
self.tool.ccflags = ''
self.tool.mappings['.c'] = Object.task_gen.mappings['.cc']
def apply_core(self):
#print "lv2plugin.apply_core() called."
#print "sources: " + repr(self.source)
#print "target: '%s'" % self.target
#print "ttl: '%s'" % self.ttl
self.tool.target = self.target
self.tool.env['shlib_PATTERN'] = '%s.so'
self.tool.uselib = self.uselib
self.tool.ttl = self.ttl
self.tool.lv2 = True
Object.task_gen.apply_core(self)
def get_hook(self, ext):
classes = Object.task_gen.classes
for cls in classes.keys():
if cls == 'lv2plugin':
continue
if cls != self.type:
continue
map = classes[cls].mappings
for x in map:
if x == ext:
hook = map[x]
obj = lv2plugin_proxy_abstract(self.tool, hook)
return obj.the_hook
return None
def set_options(opt):
opt.add_option('--lv2-dir', type='string', default='', dest='LV2_INSTALL_DIR', help='Force directory where LV2 plugin(s) will be installed.')
def detect(conf):
conf.env['LV2_INSTALL_DIR'] = getattr(Params.g_options, 'LV2_INSTALL_DIR')
status = conf.env['LV2_INSTALL_DIR']
if not status:
status = 'will be deduced from LV2_PATH'
display_msg('LV2 installation directory', status, 'GREEN')
@taskgen
@feature('normal')
@after('apply_objdeps')
@before('install_target')
def install_lv2(self):
if not getattr(self, 'lv2', None):
return
self.meths.remove('install_target')
if not Params.g_install:
return
if not self.env['LV2_INSTALL_DIR']:
self.env['LV2_INSTALL_DIR'] = get_lv2_install_dir()
if not self.env['LV2_INSTALL_DIR']:
Params.fatal('Cannot locate LV2 plugins directory')
display_msg('LV2 installation directory', self.env['LV2_INSTALL_DIR'], 'GREEN')
bundle_files = self.ttl
bundle_files.append(self.target + '.so')
install_files('LV2_INSTALL_DIR', self.target + '.lv2', bundle_files, self.env)
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