From a46c4e1cdaf4254f96c52d059ea143c022703539 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Wed, 6 Oct 2010 00:48:14 +0000 Subject: Nicer name. --- lv2includegen/lv2includegen.py | 118 ----------------------------------------- 1 file changed, 118 deletions(-) delete mode 100755 lv2includegen/lv2includegen.py (limited to 'lv2includegen') diff --git a/lv2includegen/lv2includegen.py b/lv2includegen/lv2includegen.py deleted file mode 100755 index 4065d8b..0000000 --- a/lv2includegen/lv2includegen.py +++ /dev/null @@ -1,118 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -"""A program (and Python module) to generate a tree of symlinks to LV2 -extension bundles, where the path of the symlink corresponds to the URI of -the extension. This allows including extension headers in code without using -the bundle name. Including extension headers in this way is much better, -since there is no dependency on the (meaningless and non-persistent) bundle -name in the code using the header. - -For example, after running lv2includegen (and setting the compiler include -path appropriately), LV2 headers could be included like so: - -#include "lv2/lv2plug.in/ns/lv2core/lv2.h" -#include "lv2/lv2plug.in/ns/ext/event/event.h" -#include "lv2/example.org/foo/foo.h" - -Where the initial "lv2" is arbitrary; in this case lv2includegen's output -directory was "lv2", and that directory's parent was added to the compiler -include search path. It is a good idea to use such a prefix directory so -domain names do not conflict with anything else in the include path. -""" - -__authors__ = 'David Robillard' -__license = 'GNU GPL v3 or later ' -__contact__ = 'devel@lists.lv2plug.in' -__date__ = '2010-10-05' - -import errno -import glob -import os -import stat -import sys - -import RDF - -rdf = RDF.NS('http://www.w3.org/1999/02/22-rdf-syntax-ns#') -lv2 = RDF.NS('http://lv2plug.in/ns/lv2core#') - -def lv2_path(): - "Return the LV2 search path (LV2_PATH in the environment, or a default)." - if 'LV2_PATH' in os.environ: - return os.environ['LV2_PATH'] - else: - ret = '/usr/lib/lv2' + os.pathsep + '/usr/local/lib/lv2' - print 'LV2_PATH unset, using default ' + ret - return ret - -def __bundles(search_path): - "Return a list of all LV2 bundles found in search_path." - dirs = search_path.split(os.pathsep) - bundles = [] - for dir in dirs: - bundles += glob.glob(os.path.join(dir, '*.lv2')) - return bundles - -def __usage(): - script = os.path.basename(sys.argv[0]) - print """Usage: - %s OUTDIR - - OUTDIR : Directory to build include tree - -Example: - %s /usr/local/include/lv2 -""" % (script, script) - -def __mkdir_p(path): - "Equivalent of UNIX mkdir -p" - try: - os.makedirs(path) - except OSError as e: - if e.errno == errno.EEXIST: - pass - else: - raise - -def build_tree(search_path, outdir): - """Build a directory tree under outdir containing symlinks to all LV2 - extensions found in search_path, such that the symlink paths correspond to - the extension URIs.""" - for bundle in __bundles(search_path): - # Load manifest into model - manifest = RDF.Model() - parser = RDF.Parser(name="guess") - parser.parse_into_model(manifest, 'file://' + os.path.join(bundle, 'manifest.ttl')) - - # Query extension URI - results = manifest.find_statements(RDF.Statement(None, rdf.type, lv2.Specification)) - for r in results: - ext_uri = str(r.subject.uri) - ext_path = os.path.normpath(ext_uri[ext_uri.find(':') + 1:].lstrip('/')) - ext_dir = os.path.join(outdir, ext_path) - - # Make parent directories - __mkdir_p(os.path.dirname(ext_dir)) - - # Remove existing symlink if necessary - if os.access(ext_dir, os.F_OK): - mode = os.lstat(ext_dir)[stat.ST_MODE] - if stat.S_ISLNK(mode): - os.remove(ext_dir) - else: - raise Exception(ext_dir + " exists and is not a link") - - # Make symlink to bundle directory - os.symlink(bundle, ext_dir) - -if __name__ == "__main__": - args = sys.argv[1:] - if len(args) != 1: - usage() - sys.exit(1) - - outdir = args[0] - print "Building LV2 include tree at", outdir - - build_tree(lv2_path(), outdir) -- cgit v1.2.1