def value_integer(self, subject, subject_name):
value = 0
if is_integer(lilv.lilv_node_as_string(subject)):
value = lilv.lilv_node_as_int(subject)
else:
value = lilv.lilv_node_as_float(subject)
if fmod(value, 1.0) == 0.0:
self.warnings.append("port '%s' has integer property but %s value is float" % (self.portname, subject_name))
else:
self.register_error("has integer property but %s value has non-zero decimals", subject_name)
value = int(value)
return value
def fill_port_info(port):
# base data
portname = lilv.lilv_node_as_string(port.get_name()) or ""
if not portname:
portname = "_%i" % index
errors.append("port with index %i has no name" % index)
portsymbol = lilv.lilv_node_as_string(port.get_symbol()) or ""
if not portsymbol:
portsymbol = "_%i" % index
errors.append("port with index %i has no symbol" % index)
# check for duplicate names
if portname in portsymbols:
warnings.append("port name '%s' is not unique" % portname)
else:
portnames.append(portname)
# check for duplicate symbols
if portsymbol in portsymbols:
errors.append("port symbol '%s' is not unique" % portsymbol)
else:
portsymbols.append(portsymbol)
# short name
psname = lilv.lilv_nodes_get_first(port.get_value(ns_lv2core.shortname.me))
if psname is not None:
psname = lilv.lilv_node_as_string(psname) or ""
if not psname:
psname = get_short_port_name(portname)
warnings.append("port '%s' has no short name" % portname)
elif len(psname) > 16:
psname = psname[:16]
errors.append("port '%s' short name has more than 16 characters" % portname)
# port types
types = [typ.rsplit("#",1)[-1].replace("Port","",1) for typ in get_port_data(port, ns_rdf.type_)]
if "Atom" in types \
and port.supports_event(ns_midi.MidiEvent.me) \
and lilv.Nodes(port.get_value(ns_atom.bufferType.me)).get_first() == ns_atom.Sequence:
types.append("MIDI")
# port properties
properties = [typ.rsplit("#",1)[-1] for typ in get_port_data(port, ns_lv2core.portProperty)]
# data
ranges = {}
scalepoints = []
# unit block
ulabel = ""
urender = ""
usymbol = ""
# control and cv must contain ranges, might contain scale points
if "Control" in types or "CV" in types:
isInteger = "integer" in properties
if isInteger and "CV" in types:
errors.append("port '%s' has integer property and CV type" % portname)
xdefault = lilv.lilv_nodes_get_first(port.get_value(ns_lv2core.default.me))
xminimum = lilv.lilv_nodes_get_first(port.get_value(ns_lv2core.minimum.me))
xmaximum = lilv.lilv_nodes_get_first(port.get_value(ns_lv2core.maximum.me))
if xminimum is not None and xmaximum is not None:
if isInteger:
if is_integer(lilv.lilv_node_as_string(xminimum)):
ranges['minimum'] = lilv.lilv_node_as_int(xminimum)
else:
ranges['minimum'] = lilv.lilv_node_as_float(xminimum)
if fmod(ranges['minimum'], 1.0) == 0.0:
warnings.append("port '%s' has integer property but minimum value is float" % portname)
else:
errors.append("port '%s' has integer property but minimum value has non-zero decimals" % portname)
ranges['minimum'] = int(ranges['minimum'])
if is_integer(lilv.lilv_node_as_string(xmaximum)):
ranges['maximum'] = lilv.lilv_node_as_int(xmaximum)
else:
ranges['maximum'] = lilv.lilv_node_as_float(xmaximum)
if fmod(ranges['maximum'], 1.0) == 0.0:
warnings.append("port '%s' has integer property but maximum value is float" % portname)
else:
errors.append("port '%s' has integer property but maximum value has non-zero decimals" % portname)
ranges['maximum'] = int(ranges['maximum'])
else:
ranges['minimum'] = lilv.lilv_node_as_float(xminimum)
ranges['maximum'] = lilv.lilv_node_as_float(xmaximum)
if is_integer(lilv.lilv_node_as_string(xminimum)):
warnings.append("port '%s' minimum value is an integer" % portname)
if is_integer(lilv.lilv_node_as_string(xmaximum)):
warnings.append("port '%s' maximum value is an integer" % portname)
if ranges['minimum'] >= ranges['maximum']:
ranges['maximum'] = ranges['minimum'] + (1 if isInteger else 0.1)
errors.append("port '%s' minimum value is equal or higher than its maximum" % portname)
if xdefault is not None:
if isInteger:
if is_integer(lilv.lilv_node_as_string(xdefault)):
ranges['default'] = lilv.lilv_node_as_int(xdefault)
else:
ranges['default'] = lilv.lilv_node_as_float(xdefault)
if fmod(ranges['default'], 1.0) == 0.0:
warnings.append("port '%s' has integer property but default value is float" % portname)
else:
errors.append("port '%s' has integer property but default value has non-zero decimals" % portname)
ranges['default'] = int(ranges['default'])
else:
ranges['default'] = lilv.lilv_node_as_float(xdefault)
if is_integer(lilv.lilv_node_as_string(xdefault)):
warnings.append("port '%s' default value is an integer" % portname)
testmin = ranges['minimum']
testmax = ranges['maximum']
if "sampleRate" in properties:
testmin *= 48000
testmax *= 48000
if not (testmin <= ranges['default'] <= testmax):
ranges['default'] = ranges['minimum']
errors.append("port '%s' default value is out of bounds" % portname)
else:
ranges['default'] = ranges['minimum']
if "Input" in types:
errors.append("port '%s' is missing default value" % portname)
else:
if isInteger:
ranges['minimum'] = 0
ranges['maximum'] = 1
ranges['default'] = 0
else:
ranges['minimum'] = -1.0 if "CV" in types else 0.0
ranges['maximum'] = 1.0
ranges['default'] = 0.0
if "CV" not in types:
errors.append("port '%s' is missing value ranges" % portname)
nodes = port.get_scale_points()
if nodes is not None:
it = lilv.lilv_scale_points_begin(nodes)
while not lilv.lilv_scale_points_is_end(nodes, it):
sp = lilv.lilv_scale_points_get(nodes, it)
it = lilv.lilv_scale_points_next(nodes, it)
if sp is None:
continue
label = lilv.lilv_scale_point_get_label(sp)
value = lilv.lilv_scale_point_get_value(sp)
if label is None:
errors.append("a port scalepoint is missing its label")
continue
label = lilv.lilv_node_as_string(label) or ""
if not label:
errors.append("a port scalepoint is missing its label")
continue
if value is None:
errors.append("port scalepoint '%s' is missing its value" % label)
continue
if isInteger:
if is_integer(lilv.lilv_node_as_string(value)):
value = lilv.lilv_node_as_int(value)
else:
value = lilv.lilv_node_as_float(value)
if fmod(value, 1.0) == 0.0:
warnings.append("port '%s' has integer property but scalepoint '%s' value is float" % (portname, label))
else:
errors.append("port '%s' has integer property but scalepoint '%s' value has non-zero decimals" % (portname, label))
value = int(value)
else:
if is_integer(lilv.lilv_node_as_string(value)):
warnings.append("port '%s' scalepoint '%s' value is an integer" % (portname, label))
value = lilv.lilv_node_as_float(value)
if ranges['minimum'] <= value <= ranges['maximum']:
scalepoints.append({'label': label, 'value': value})
else:
errors.append(("port scalepoint '%s' has an out-of-bounds value:\n" % label) +
("%d < %d < %d" if isInteger else "%f < %f < %f") % (ranges['minimum'], value, ranges['maximum']))
if "enumeration" in properties and len(scalepoints) <= 1:
errors.append("port '%s' wants to use enumeration but doesn't have enough values" % portname)
properties.remove("enumeration")
# control ports might contain unit
if "Control" in types:
# unit
uunit = lilv.lilv_nodes_get_first(port.get_value(ns_units.unit.me))
if uunit is not None:
uuri = lilv.lilv_node_as_uri(uunit)
# using pre-existing lv2 unit
if uuri is not None and uuri.startswith("http://lv2plug.in/ns/"):
uuri = uuri.replace("http://lv2plug.in/ns/extensions/units#","",1)
alnum = uuri.isalnum()
if not alnum:
errors.append("port '%s' has wrong lv2 unit uri" % portname)
uuri = uuri.rsplit("#",1)[-1].rsplit("/",1)[-1]
ulabel, urender, usymbol = get_port_unit(uuri)
if alnum and not (ulabel and urender and usymbol):
errors.append("port '%s' has unknown lv2 unit (our bug?, data is '%s', '%s', '%s')" % (portname,
ulabel,
urender,
usymbol))
# using custom unit
else:
xlabel = world.find_nodes(uunit, ns_rdfs .label.me, None).get_first()
xrender = world.find_nodes(uunit, ns_units.render.me, None).get_first()
xsymbol = world.find_nodes(uunit, ns_units.symbol.me, None).get_first()
if xlabel.me is not None:
ulabel = xlabel.as_string()
else:
errors.append("port '%s' has custom unit with no label" % portname)
if xrender.me is not None:
urender = xrender.as_string()
else:
errors.append("port '%s' has custom unit with no render" % portname)
if xsymbol.me is not None:
usymbol = xsymbol.as_string()
else:
errors.append("port '%s' has custom unit with no symbol" % portname)
return (types, {
'name' : portname,
'symbol' : portsymbol,
'ranges' : ranges,
'units' : {
'label' : ulabel,
'render': urender,
'symbol': usymbol,
} if "Control" in types and ulabel and urender and usymbol else {},
'designation': (get_port_data(port, ns_lv2core.designation) or [None])[0],
'properties' : properties,
'rangeSteps' : (get_port_data(port, ns_mod.rangeSteps) or get_port_data(port, ns_pprops.rangeSteps) or [None])[0],
"scalePoints": scalepoints,
'shortname' : psname,
})
def get_pedalboard_info(bundle):
# lilv wants the last character as the separator
if not bundle.endswith(os.sep):
bundle += os.sep
# Create our own unique lilv world
# We'll load a single bundle and get all plugins from it
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
# get all plugins in the bundle
plugins = world.get_all_plugins()
# make sure the bundle includes 1 and only 1 plugin (the pedalboard)
if plugins.size() != 1:
raise Exception('get_pedalboard_info(%s) - bundle has 0 or > 1 plugin'.format(bundle))
# no indexing in python-lilv yet, just get the first item
plugin = None
for p in plugins:
plugin = p
break
if plugin is None:
raise Exception('get_pedalboard_info(%s) - failed to get plugin, you are using an old lilv!'.format(bundle))
# define the needed stuff
ns_rdf = NS(world, lilv.LILV_NS_RDF)
ns_lv2core = NS(world, lilv.LILV_NS_LV2)
ns_ingen = NS(world, "http://drobilla.net/ns/ingen#")
ns_modpedal = NS(world, "http://moddevices.com/ns/modpedal#")
# check if the plugin is a pedalboard
def fill_in_type(node):
return node.as_string()
plugin_types = [i for i in LILV_FOREACH(plugin.get_value(ns_rdf.type_), fill_in_type)]
if "http://moddevices.com/ns/modpedal#Pedalboard" not in plugin_types:
raise Exception('get_pedalboard_info(%s) - plugin has no mod:Pedalboard type'.format(bundle))
# let's get all the info now
ingenarcs = []
ingenblocks = []
info = {
'name' : plugin.get_name().as_string(),
'uri' : plugin.get_uri().as_string(),
'author': plugin.get_author_name().as_string() or "", # Might be empty
'hardware': {
# we save this info later
'audio': {
'ins' : 0,
'outs': 0
},
'cv': {
'ins' : 0,
'outs': 0
},
'midi': {
'ins' : 0,
'outs': 0
}
},
'size': {
'width' : plugin.get_value(ns_modpedal.width).get_first().as_int(),
'height': plugin.get_value(ns_modpedal.height).get_first().as_int(),
},
'screenshot' : os.path.basename(plugin.get_value(ns_modpedal.screenshot).get_first().as_string()),
'thumbnail' : os.path.basename(plugin.get_value(ns_modpedal.thumbnail).get_first().as_string()),
'connections': [], # we save this info later
'plugins' : [] # we save this info later
}
# connections
arcs = plugin.get_value(ns_ingen.arc)
it = arcs.begin()
while not arcs.is_end(it):
arc = arcs.get(it)
it = arcs.next(it)
if arc.me is None:
continue
head = lilv.lilv_world_get(world.me, arc.me, ns_ingen.head.me, None)
tail = lilv.lilv_world_get(world.me, arc.me, ns_ingen.tail.me, None)
if head is None or tail is None:
continue
ingenarcs.append({
"source": lilv.lilv_uri_to_path(lilv.lilv_node_as_string(tail)).replace(bundle,"",1),
"target": lilv.lilv_uri_to_path(lilv.lilv_node_as_string(head)).replace(bundle,"",1)
})
# hardware ports
handled_port_uris = []
ports = plugin.get_value(ns_lv2core.port)
it = ports.begin()
while not ports.is_end(it):
port = ports.get(it)
it = ports.next(it)
if port.me is None:
continue
# check if we already handled this port
port_uri = port.as_uri()
if port_uri in handled_port_uris:
continue
handled_port_uris.append(port_uri)
# get types
port_types = lilv.lilv_world_find_nodes(world.me, port.me, ns_rdf.type_.me, None)
if port_types is None:
continue
portDir = "" # input or output
portType = "" # atom, audio or cv
it2 = lilv.lilv_nodes_begin(port_types)
while not lilv.lilv_nodes_is_end(port_types, it2):
port_type = lilv.lilv_nodes_get(port_types, it2)
it2 = lilv.lilv_nodes_next(port_types, it2)
if port_type is None:
continue
port_type_uri = lilv.lilv_node_as_uri(port_type)
if port_type_uri == "http://lv2plug.in/ns/lv2core#InputPort":
portDir = "input"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#OutputPort":
portDir = "output"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#AudioPort":
portType = "audio"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#CVPort":
portType = "cv"
elif port_type_uri == "http://lv2plug.in/ns/ext/atom#AtomPort":
portType = "atom"
if not (portDir or portType):
continue
if portType == "audio":
if portDir == "input":
info['hardware']['audio']['ins'] += 1
else:
info['hardware']['audio']['outs'] += 1
elif portType == "atom":
if portDir == "input":
info['hardware']['midi']['ins'] += 1
else:
info['hardware']['midi']['outs'] += 1
elif portType == "cv":
if portDir == "input":
info['hardware']['cv']['ins'] += 1
else:
info['hardware']['cv']['outs'] += 1
# plugins
blocks = plugin.get_value(ns_ingen.block)
it = blocks.begin()
while not blocks.is_end(it):
block = blocks.get(it)
it = blocks.next(it)
if block.me is None:
continue
protouri1 = lilv.lilv_world_get(world.me, block.me, ns_lv2core.prototype.me, None)
protouri2 = lilv.lilv_world_get(world.me, block.me, ns_ingen.prototype.me, None)
if protouri1 is not None:
proto = protouri1
elif protouri2 is not None:
proto = protouri2
else:
continue
uri = lilv.lilv_node_as_uri(proto)
microver = lilv.lilv_world_get(world.me, block.me, ns_lv2core.microVersion.me, None)
minorver = lilv.lilv_world_get(world.me, block.me, ns_lv2core.minorVersion.me, None)
ingenblocks.append({
"uri": uri,
"x": lilv.lilv_node_as_float(lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasX.me, None)),
"y": lilv.lilv_node_as_float(lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasY.me, None)),
"microVersion": lilv.lilv_node_as_int(microver) if microver else 0,
"minorVersion": lilv.lilv_node_as_int(minorver) if minorver else 0,
})
info['connections'] = ingenarcs
info['plugins'] = ingenblocks
return info
def get_pedalboard_info(bundle):
# lilv wants the last character as the separator
bundle = os.path.abspath(bundle)
if not bundle.endswith(os.sep):
bundle += os.sep
# Create our own unique lilv world
# We'll load a single bundle and get all plugins from it
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
# get all plugins in the bundle
plugins = world.get_all_plugins()
# make sure the bundle includes 1 and only 1 plugin (the pedalboard)
if plugins.size() != 1:
raise Exception(
'get_pedalboard_info(%s) - bundle has 0 or > 1 plugin'.format(
bundle))
# no indexing in python-lilv yet, just get the first item
plugin = None
for p in plugins:
plugin = p
break
if plugin is None:
raise Exception(
'get_pedalboard_info(%s) - failed to get plugin, you are using an old lilv!'
.format(bundle))
# define the needed stuff
ns_rdf = NS(world, lilv.LILV_NS_RDF)
ns_lv2core = NS(world, lilv.LILV_NS_LV2)
ns_ingen = NS(world, "http://drobilla.net/ns/ingen#")
ns_modpedal = NS(world, "http://moddevices.com/ns/modpedal#")
# check if the plugin is a pedalboard
def fill_in_type(node):
return node.as_string()
plugin_types = [
i for i in LILV_FOREACH(plugin.get_value(ns_rdf.type_), fill_in_type)
]
if "http://moddevices.com/ns/modpedal#Pedalboard" not in plugin_types:
raise Exception(
'get_pedalboard_info(%s) - plugin has no mod:Pedalboard type'.
format(bundle))
# let's get all the info now
ingenarcs = []
ingenblocks = []
info = {
'name':
plugin.get_name().as_string(),
'uri':
plugin.get_uri().as_string(),
'author':
plugin.get_author_name().as_string() or "", # Might be empty
'hardware': {
# we save this info later
'audio': {
'ins': 0,
'outs': 0
},
'cv': {
'ins': 0,
'outs': 0
},
'midi': {
'ins': 0,
'outs': 0
}
},
'size': {
'width': plugin.get_value(ns_modpedal.width).get_first().as_int(),
'height':
plugin.get_value(ns_modpedal.height).get_first().as_int(),
},
'screenshot':
os.path.basename(
plugin.get_value(ns_modpedal.screenshot).get_first().as_string()
or ""),
'thumbnail':
os.path.basename(
plugin.get_value(ns_modpedal.thumbnail).get_first().as_string()
or ""),
'connections': [], # we save this info later
'plugins': [] # we save this info later
}
# connections
arcs = plugin.get_value(ns_ingen.arc)
it = arcs.begin()
while not arcs.is_end(it):
arc = arcs.get(it)
it = arcs.next(it)
if arc.me is None:
continue
head = lilv.lilv_world_get(world.me, arc.me, ns_ingen.head.me, None)
tail = lilv.lilv_world_get(world.me, arc.me, ns_ingen.tail.me, None)
if head is None or tail is None:
continue
ingenarcs.append({
"source":
lilv.lilv_uri_to_path(lilv.lilv_node_as_string(tail)).replace(
bundle, "", 1),
"target":
lilv.lilv_uri_to_path(lilv.lilv_node_as_string(head)).replace(
bundle, "", 1)
})
# hardware ports
handled_port_uris = []
ports = plugin.get_value(ns_lv2core.port)
it = ports.begin()
while not ports.is_end(it):
port = ports.get(it)
it = ports.next(it)
if port.me is None:
continue
# check if we already handled this port
port_uri = port.as_uri()
if port_uri in handled_port_uris:
continue
if port_uri.endswith("/control_in") or port_uri.endswith(
"/control_out"):
continue
handled_port_uris.append(port_uri)
# get types
port_types = lilv.lilv_world_find_nodes(world.me, port.me,
ns_rdf.type_.me, None)
if port_types is None:
continue
portDir = "" # input or output
portType = "" # atom, audio or cv
it2 = lilv.lilv_nodes_begin(port_types)
while not lilv.lilv_nodes_is_end(port_types, it2):
port_type = lilv.lilv_nodes_get(port_types, it2)
it2 = lilv.lilv_nodes_next(port_types, it2)
if port_type is None:
continue
port_type_uri = lilv.lilv_node_as_uri(port_type)
if port_type_uri == "http://lv2plug.in/ns/lv2core#InputPort":
portDir = "input"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#OutputPort":
portDir = "output"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#AudioPort":
portType = "audio"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#CVPort":
portType = "cv"
elif port_type_uri == "http://lv2plug.in/ns/ext/atom#AtomPort":
portType = "atom"
if not (portDir or portType):
continue
if portType == "audio":
if portDir == "input":
info['hardware']['audio']['ins'] += 1
else:
info['hardware']['audio']['outs'] += 1
elif portType == "atom":
if portDir == "input":
info['hardware']['midi']['ins'] += 1
else:
info['hardware']['midi']['outs'] += 1
elif portType == "cv":
if portDir == "input":
info['hardware']['cv']['ins'] += 1
else:
info['hardware']['cv']['outs'] += 1
# plugins
blocks = plugin.get_value(ns_ingen.block)
it = blocks.begin()
while not blocks.is_end(it):
block = blocks.get(it)
it = blocks.next(it)
if block.me is None:
continue
protouri1 = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.prototype.me, None)
protouri2 = lilv.lilv_world_get(world.me, block.me,
ns_ingen.prototype.me, None)
if protouri1 is not None:
proto = protouri1
elif protouri2 is not None:
proto = protouri2
else:
continue
instance = lilv.lilv_uri_to_path(lilv.lilv_node_as_string(
block.me)).replace(bundle, "", 1)
uri = lilv.lilv_node_as_uri(proto)
enabled = lilv.lilv_world_get(world.me, block.me, ns_ingen.enabled.me,
None)
minorver = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.minorVersion.me, None)
microver = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.microVersion.me, None)
ingenblocks.append({
"instance":
instance,
"uri":
uri,
"x":
lilv.lilv_node_as_float(
lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasX.me,
None)),
"y":
lilv.lilv_node_as_float(
lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasY.me,
None)),
"enabled":
lilv.lilv_node_as_bool(enabled) if enabled is not None else False,
"minorVersion":
lilv.lilv_node_as_int(minorver) if minorver else 0,
"microVersion":
lilv.lilv_node_as_int(microver) if microver else 0,
})
info['connections'] = ingenarcs
info['plugins'] = ingenblocks
return info