#!/usr/bin/env python
import datetime
import glob
import os
import rdflib
import shutil
import subprocess
from waflib.extras import autowaf as autowaf
import waflib.Logs as Logs
import waflib.Options as Options
# Version of this package (even if built as a child)
LV2EXT_VERSION = datetime.date.isoformat(datetime.datetime.now()).replace('-', '.')
# Variables for 'waf dist'
APPNAME = 'lv2plug.in'
VERSION = LV2EXT_VERSION
# Mandatory variables
top = '.'
out = 'build'
def options(opt):
opt.load('compiler_cc')
opt.load('compiler_cxx')
autowaf.set_options(opt)
opt.add_option('--experimental', action='store_true', default=False,
dest='experimental',
help='Install unreleased experimental extensions')
for i in ['core.lv2']:
opt.recurse(i)
lv2 = rdflib.Namespace('http://lv2plug.in/ns/lv2core#')
rdf = rdflib.Namespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
def genwscript(manifest, experimental):
dir = os.path.dirname(manifest)
name = os.path.basename(dir).replace('.lv2', '')
m = rdflib.ConjunctiveGraph()
m.parse(manifest, format='n3')
# Get the first match for a triple pattern, or throw if no matches
def query(model, s, p, o):
for i in model.triples([s, p, o]):
return i
raise Exception('Insufficient data for %s' % manifest)
try:
uri = query(m, None, rdf.type, lv2.Specification)[0]
except:
print('Skipping: %s' % name)
return False
minor = micro = '0'
try:
minor = query(m, uri, lv2.minorVersion, None)[2]
micro = query(m, uri, lv2.microVersion, None)[2]
except:
if not experimental:
print('Skipping: %s' % name)
return False
if experimental or (int(minor) != 0 and int(micro) % 2 == 0):
print('Generating: %s %s.%s' % (name, minor, micro))
pkgconfig_name = str(uri).replace('http://', 'lv2-').replace('/', '-')
def subst_file(source_path, target_path):
source = open(source_path, 'r')
target = open(target_path, 'w')
for l in source:
target.write(l.replace(
'@DESCRIPTION@', 'LV2 "' + name + '" extension').replace(
'@INCLUDE_PATH@', str(uri).replace('http://', 'lv2/')).replace(
'@MICRO@', micro).replace(
'@MINOR@', minor).replace(
'@NAME@', name).replace(
'@PKGCONFIG_NAME@', pkgconfig_name).replace(
'@URI@', str(uri)).replace(
'@VERSION@', '%s.%s' % (minor, micro)))
source.close()
target.close()
# Generate wscript
subst_file('wscript.template', '%s/wscript' % dir)
# Generate pkgconfig file
subst_file('ext.pc.template', '%s/%s.pc.in' % (dir, pkgconfig_name))
try:
os.remove('%s/waf' % dir)
except:
pass
#os.symlink('../../waf', '%s/waf' % dir)
shutil.copy('waf', '%s/waf' % dir)
return True
else:
return False
def configure(conf):
subdirs = ['core.lv2']
manifests = glob.glob('ext/*.lv2/manifest.ttl') + [
'extensions/ui.lv2/manifest.ttl',
'extensions/units.lv2/manifest.ttl'
]
manifests.sort()
print('')
autowaf.display_header("Generating build files")
for manifest in manifests:
if genwscript(manifest, Options.options.experimental):
subdirs += [ os.path.dirname(manifest) ]
print('')
conf.load('compiler_cc')
conf.load('compiler_cxx')
autowaf.configure(conf)
conf.env.append_unique('CFLAGS', '-std=c99')
for i in subdirs:
conf.recurse(i)
conf.env['LV2_SUBDIRS'] = subdirs
def build(bld):
for i in bld.env['LV2_SUBDIRS']:
bld.recurse(i)
def release(ctx):
for i in ['ext/data-access.lv2',
'ext/midi.lv2',
'ext/event.lv2',
'ext/uri-map.lv2',
'ext/instance-access.lv2',
'extensions/ui.lv2',
'extensions/units.lv2',
'core.lv2']:
try:
subprocess.call(
['./waf', 'distclean', 'configure', 'build', 'distcheck'],
cwd=i)
except:
print('Error building %s release' % i)
def lint(ctx):
for i in (['core.lv2/lv2.h']
+ glob.glob('ext/*/*.h')
+ glob.glob('extensions/*/*.h')):
subprocess.call('cpplint.py --filter=+whitespace/comments,-whitespace/tab,-whitespace/braces,-whitespace/labels,-whitespace/blank_line,-build/header_guard,-readability/casting,-readability/todo,-build/include ' + i, shell=True)
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