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authorDavid Robillard <d@drobilla.net>2011-10-27 04:09:04 +0000
committerDavid Robillard <d@drobilla.net>2011-10-27 04:09:04 +0000
commit05a15cdcaf9bb693af3f4aeadcead5132b88911b (patch)
tree1c49ee615af1719d8a9b55a86c125878fc2ee4ad /lv2specgen
parent7c9351291050f381da4f409dd994d30554d0c721 (diff)
downloadlv2-05a15cdcaf9bb693af3f4aeadcead5132b88911b.tar.xz
Begin isolating Redland API use.
Diffstat (limited to 'lv2specgen')
-rwxr-xr-xlv2specgen/lv2specgen.py354
1 files changed, 178 insertions, 176 deletions
diff --git a/lv2specgen/lv2specgen.py b/lv2specgen/lv2specgen.py
index 0bbc6d0..ad1ab9e 100755
--- a/lv2specgen/lv2specgen.py
+++ b/lv2specgen/lv2specgen.py
@@ -87,6 +87,31 @@ foaf = RDF.NS('http://xmlns.com/foaf/0.1/')
doc_base = '.'
+def findStatements(model, s, p, o):
+ return model.find_statements(RDF.Statement(s, p, o))
+
+
+def isEnd(s):
+ return not s.current()
+
+
+def findOne(m, s, p, o):
+ l = findStatements(m, s, p, o)
+ return l.current()
+
+
+def getSubject(s):
+ return s.subject
+
+
+def getPredicate(s):
+ return s.predicate
+
+
+def getObject(s):
+ return s.object
+
+
def niceName(uri):
regexp = re.compile("^(.*[/#])([^/#]+)$")
rez = regexp.search(uri)
@@ -105,21 +130,17 @@ def return_name(m, urinode):
def getLabel(m, urinode):
- if (type(urinode) == str):
- urinode = RDF.Uri(urinode)
- l = m.find_statements(RDF.Statement(urinode, rdfs.label, None))
- if l.current():
- return l.current().object.literal_value['string']
+ l = findOne(m, urinode, rdfs.label, None)
+ if l:
+ return getObject(l).literal_value['string']
else:
return ''
def getComment(m, urinode):
- if (type(urinode) == str):
- urinode = RDF.Uri(urinode)
- c = m.find_statements(RDF.Statement(urinode, lv2.documentation, None))
- if c.current():
- markup = c.current().object.literal_value['string']
+ c = findOne(m, urinode, lv2.documentation, None)
+ if c:
+ markup = getObject(c).literal_value['string']
rgx = re.compile('([^a-zA-Z0-9_:])(' + \
'|'.join(map(re.escape, linkmap)) + \
@@ -130,9 +151,9 @@ def getComment(m, urinode):
return rgx.sub(translate, markup)
- c = m.find_statements(RDF.Statement(urinode, rdfs.comment, None))
- if c.current():
- text = c.current().object.literal_value['string']
+ c = findOne(m, urinode, rdfs.comment, None)
+ if c:
+ text = getObject(c).literal_value['string']
return xml.sax.saxutils.escape(text)
return ''
@@ -155,9 +176,9 @@ def endProperties(first):
def owlVersionInfo(m):
- v = m.find_statements(RDF.Statement(None, owl.versionInfo, None))
- if v.current():
- return v.current().object.literal_value['string']
+ v = findOne(m, None, owl.versionInfo, None)
+ if v:
+ return getObject(v).literal_value['string']
else:
return ""
@@ -171,22 +192,22 @@ def rdfsPropertyInfo(term, m):
domain = ""
# Find subPropertyOf information
- o = m.find_statements(RDF.Statement(term, rdfs.subPropertyOf, None))
- if o.current():
+ o = findStatements(m, term, rdfs.subPropertyOf, None)
+ if not isEnd(o):
rlist = ''
first = True
for st in o:
- k = getTermLink(str(st.object.uri), term, rdfs.subPropertyOf)
+ k = getTermLink(str(getObject(st).uri), term, rdfs.subPropertyOf)
rlist += getProperty(k, first)
first = False
doc += "<tr><th>Sub-property of</th>%s" % rlist
# Domain stuff
- domains = m.find_statements(RDF.Statement(term, rdfs.domain, None))
+ domains = findStatements(m, term, rdfs.domain, None)
domainsdoc = ""
for d in domains:
- collection = m.find_statements(RDF.Statement(d.object, owl.unionOf, None))
- if collection.current():
+ collection = findStatements(m, getObject(d), owl.unionOf, None)
+ if not isEnd(collection):
uris = parseCollection(m, collection)
first = True
for uri in uris:
@@ -194,17 +215,17 @@ def rdfsPropertyInfo(term, m):
add(classdomains, uri, term.uri)
first = False
else:
- if not d.object.is_blank():
- domainsdoc += getProperty(getTermLink(str(d.object.uri), term, rdfs.domain))
+ if not getObject(d).is_blank():
+ domainsdoc += getProperty(getTermLink(str(getObject(d).uri), term, rdfs.domain))
if (len(domainsdoc) > 0):
doc += "<tr><th>Domain</th>%s" % domainsdoc
# Range stuff
- ranges = m.find_statements(RDF.Statement(term, rdfs.range, None))
+ ranges = findStatements(m, term, rdfs.range, None)
rangesdoc = ""
for r in ranges:
- collection = m.find_statements(RDF.Statement(r.object, owl.unionOf, None))
- if collection.current():
+ collection = findStatements(m, getObject(r), owl.unionOf, None)
+ if not isEnd(collection):
uris = parseCollection(m, collection)
first = True
for uri in uris:
@@ -212,8 +233,8 @@ def rdfsPropertyInfo(term, m):
add(classranges, uri, term.uri)
first = False
else:
- if not r.object.is_blank():
- rangesdoc += getProperty(getTermLink(str(r.object.uri), term, rdfs.range))
+ if not getObject(r).is_blank():
+ rangesdoc += getProperty(getTermLink(str(getObject(r).uri), term, rdfs.range))
if (len(rangesdoc) > 0):
doc += "<tr><th>Range</th>%s" % rangesdoc
@@ -222,15 +243,15 @@ def rdfsPropertyInfo(term, m):
def parseCollection(model, collection):
uris = []
- rdflist = model.find_statements(RDF.Statement(collection.current().object, None, None))
- while rdflist and rdflist.current() and not rdflist.current().object.is_blank():
+ rdflist = findStatements(model, collection.current().object, None, None)
+ while (not isEnd(rdflist)) and (not rdflist.current().object.is_blank()):
one = rdflist.current()
if not one.object.is_blank():
uris.append(str(one.object.uri))
rdflist.next()
one = rdflist.current()
- if one.predicate == rdf.rest:
- rdflist = model.find_statements(RDF.Statement(one.object, None, None))
+ if getPredicate(one) == rdf.rest:
+ rdflist = findStatements(model, one.object, None, None)
return uris
@@ -253,60 +274,58 @@ def rdfsClassInfo(term, m):
doc = ""
# Find subClassOf information
- o = m.find_statements(RDF.Statement(term, rdfs.subClassOf, None))
restrictions = []
- if o.current():
- superclasses = []
- for st in o:
- if not st.object.is_blank():
- uri = str(st.object.uri)
- if (not uri in superclasses):
- superclasses.append(uri)
- else:
- meta_types = m.find_statements(RDF.Statement(o.current().object, rdf.type, None))
- restrictions.append(meta_types.current().subject)
-
- if len(superclasses) > 0:
- doc += "\n<tr><th>Sub-class of</th>"
- first = True
- for superclass in superclasses:
- doc += getProperty(getTermLink(superclass), first)
- first = False
+ superclasses = []
+ for st in findStatements(m, term, rdfs.subClassOf, None):
+ if not getObject(st).is_blank():
+ uri = str(getObject(st).uri)
+ if (not uri in superclasses):
+ superclasses.append(uri)
+ else:
+ meta_type = findOne(m, getObject(st), rdf.type, None)
+ restrictions.append(getSubject(meta_type))
+
+ if len(superclasses) > 0:
+ doc += "\n<tr><th>Sub-class of</th>"
+ first = True
+ for superclass in superclasses:
+ doc += getProperty(getTermLink(superclass), first)
+ first = False
for r in restrictions:
- props = m.find_statements(RDF.Statement(r, None, None))
+ props = findStatements(m, r, None, None)
onProp = None
comment = None
for p in props:
- if p.predicate == owl.onProperty:
- onProp = p.object
- elif p.predicate == rdfs.comment:
- comment = p.object
+ if getPredicate(p) == owl.onProperty:
+ onProp = getObject(p)
+ elif getPredicate(p) == rdfs.comment:
+ comment = getObject(p)
if onProp != None:
doc += '<tr><th>Restriction on %s</th><td>' % getTermLink(onProp.uri)
prop_str = ''
last_pred = None
first = True
- for p in m.find_statements(RDF.Statement(r, None, None)):
- if (p.predicate == owl.onProperty
- or p.predicate == rdfs.comment
- or (p.predicate == rdf.type and p.object == owl.Restriction)
- or p.predicate == lv2.documentation):
+ for p in findStatements(m, r, None, None):
+ if (getPredicate(p) == owl.onProperty
+ or getPredicate(p) == rdfs.comment
+ or (getPredicate(p) == rdf.type and getObject(p) == owl.Restriction)
+ or getPredicate(p) == lv2.documentation):
last_pred = None
continue
- if p.predicate != last_pred:
- prop_str += '<tr><th>%s</th>\n' % getTermLink(str(p.predicate.uri))
+ if getPredicate(p) != last_pred:
+ prop_str += '<tr><th>%s</th>\n' % getTermLink(str(getPredicate(p).uri))
first = True
- if p.object.is_resource():
- prop_str += getProperty(getTermLink(p.object.uri), first)
+ if getObject(p).is_resource():
+ prop_str += getProperty(getTermLink(getObject(p).uri), first)
first = False
- elif p.object.is_literal():
- prop_str += getProperty(p.object.literal_value['string'], first)
+ elif getObject(p).is_literal():
+ prop_str += getProperty(getObject(p).literal_value['string'], first)
first = False
- last_pred = p.predicate
+ last_pred = getPredicate(p)
prop_str += endProperties(first)
@@ -345,21 +364,21 @@ def isSpecial(pred):
def blankNodeDesc(node, m):
- properties = m.find_statements(RDF.Statement(node, None, None))
+ properties = findStatements(m, node, None, None)
doc = ''
last_pred = ''
for p in properties:
- if isSpecial(p.predicate):
+ if isSpecial(getPredicate(p)):
continue
doc += '<tr>'
- doc += '<td class="blankterm">%s</td>\n' % getTermLink(str(p.predicate.uri))
- if p.object.is_resource():
- doc += '<td class="blankdef">%s</td>\n' % getTermLink(str(p.object.uri))
- # getTermLink(str(p.object.uri), node, p.predicate)
- elif p.object.is_literal():
- doc += '<td class="blankdef">%s</td>\n' % str(p.object.literal_value['string'])
- elif p.object.is_blank():
- doc += '<td class="blankdef">' + blankNodeDesc(p.object, m) + '</td>\n'
+ doc += '<td class="blankterm">%s</td>\n' % getTermLink(str(getPredicate(p).uri))
+ if getObject(p).is_resource():
+ doc += '<td class="blankdef">%s</td>\n' % getTermLink(str(getObject(p).uri))
+ # getTermLink(str(getObject(p).uri), node, getPredicate(p))
+ elif getObject(p).is_literal():
+ doc += '<td class="blankdef">%s</td>\n' % str(getObject(p).literal_value['string'])
+ elif getObject(p).is_blank():
+ doc += '<td class="blankdef">' + blankNodeDesc(getObject(p), m) + '</td>\n'
else:
doc += '<td class="blankdef">?</td>\n'
doc += '</tr>'
@@ -371,26 +390,26 @@ def blankNodeDesc(node, m):
def extraInfo(term, m):
"""Generate information about misc. properties of a term"""
doc = ""
- properties = m.find_statements(RDF.Statement(term, None, None))
+ properties = findStatements(m, term, None, None)
last_pred = None
first = True
for p in properties:
- if isSpecial(p.predicate):
+ if isSpecial(getPredicate(p)):
last_pred = None
continue
- if p.predicate != last_pred:
- doc += '<tr><th>%s</th>\n' % getTermLink(str(p.predicate.uri))
+ if getPredicate(p) != last_pred:
+ doc += '<tr><th>%s</th>\n' % getTermLink(str(getPredicate(p).uri))
first = True
- if p.object.is_resource():
- doc += getProperty(getTermLink(str(p.object.uri), term, p.predicate), first)
- elif p.object.is_literal():
- doc += getProperty(str(p.object), first)
- elif p.object.is_blank():
- doc += getProperty(str(blankNodeDesc(p.object, m)), first)
+ if getObject(p).is_resource():
+ doc += getProperty(getTermLink(str(getObject(p).uri), term, getPredicate(p)), first)
+ elif getObject(p).is_literal():
+ doc += getProperty(str(getObject(p)), first)
+ elif getObject(p).is_blank():
+ doc += getProperty(str(blankNodeDesc(getObject(p), m)), first)
else:
doc += getProperty('?', first)
first = False
- last_pred = p.predicate
+ last_pred = getPredicate(p)
#doc += endProperties(first)
@@ -401,17 +420,16 @@ def rdfsInstanceInfo(term, m):
"""Generate rdfs-type information for instances"""
doc = ""
- t = m.find_statements(RDF.Statement(term, rdf.type, None))
- if t.current():
+ t = findStatements(m, term, rdf.type, None)
+ if not isEnd(t):
doc += "<tr><th>Type</th>"
first = True
- while t.current():
- doc += getProperty(getTermLink(RDF.Node(t.current().object),
+ for match in t:
+ doc += getProperty(getTermLink(getObject(match),
term,
rdf.type),
first)
first = False
- t.next()
doc += endProperties(first)
doc += extraInfo(term, m)
@@ -420,22 +438,22 @@ def rdfsInstanceInfo(term, m):
def owlInfo(term, m):
- """Returns an extra information that is defined about a term (an RDF.Node()) using OWL."""
+ """Returns an extra information that is defined about a term using OWL."""
res = ''
# Inverse properties ( owl:inverseOf )
- o = m.find_statements(RDF.Statement(term, owl.inverseOf, None))
- if o.current():
+ o = findStatements(m, term, owl.inverseOf, None)
+ if not isEnd(o):
res += "<tr><th>Inverse:</th>\n"
first = True
for st in o:
- res += getProperty(getTermLink(str(st.object.uri)), first)
+ res += getProperty(getTermLink(str(getObject(st).uri)), first)
first = False
res += endProperties(first)
def owlTypeInfo(term, propertyType, name):
- o = m.find_statements(RDF.Statement(term, rdf.type, propertyType))
- if o.current():
+ o = findStatements(m, term, rdf.type, propertyType)
+ if not isEnd(o):
return "<tr><th>OWL Type</th><td>%s</td></tr>\n" % name
else:
return ""
@@ -551,7 +569,7 @@ def buildIndex(m, classlist, proplist, instalist=None):
for c in classlist:
if c in shown:
continue
- if m.find_statements(RDF.Statement(c, rdfs.subClassOf, None)).current():
+ if not isEnd(findStatements(m, c, rdfs.subClassOf, None)):
continue
shown[c] = True
name = return_name(m, c)
@@ -561,13 +579,13 @@ def buildIndex(m, classlist, proplist, instalist=None):
def class_tree(c):
tree = ''
shown[c] = True
- statements = m.find_statements(RDF.Statement(None, rdfs.subClassOf, c))
- if statements.current():
+ statements = findStatements(m, None, rdfs.subClassOf, c)
+ if not isEnd(statements):
tree += '<ul>'
for s in statements:
- s_name = return_name(m, s.subject)
+ s_name = return_name(m, getSubject(s))
tree += '<li><a href="#%s">%s</a>\n' % (s_name, s_name)
- tree += class_tree(s.subject)
+ tree += class_tree(getSubject(s))
tree += '</li>'
tree += '</ul>'
return tree
@@ -617,31 +635,19 @@ def specInformation(m, ns):
classtypes = [rdfs.Class, owl.Class]
classlist = []
for onetype in classtypes:
- for classStatement in m.find_statements(RDF.Statement(None,
- rdf.type,
- onetype)):
- for range in m.find_statements(RDF.Statement(None,
- rdfs.range,
- classStatement.subject)):
- if not m.contains_statement(RDF.Statement(range.subject,
- rdf.type,
- owl.DeprecatedProperty)):
- if not classStatement.subject.is_blank():
- add(classranges,
- str(classStatement.subject.uri),
- str(range.subject.uri))
- for domain in m.find_statements(RDF.Statement(None,
- rdfs.domain,
- classStatement.subject)):
- if not m.contains_statement(RDF.Statement(domain.subject,
- rdf.type,
- owl.DeprecatedProperty)):
- if not classStatement.subject.is_blank():
- add(classdomains,
- str(classStatement.subject.uri),
- str(domain.subject.uri))
- if not classStatement.subject.is_blank():
- klass = classStatement.subject
+ for classStatement in findStatements(m, None, rdf.type, onetype):
+ for range in findStatements(m, None, rdfs.range, getSubject(classStatement)):
+ if not getSubject(classStatement).is_blank():
+ add(classranges,
+ str(getSubject(classStatement).uri),
+ str(getSubject(range).uri))
+ for domain in findStatements(m, None, rdfs.domain, getSubject(classStatement)):
+ if not getSubject(classStatement).is_blank():
+ add(classdomains,
+ str(getSubject(classStatement).uri),
+ str(getSubject(domain).uri))
+ if not getSubject(classStatement).is_blank():
+ klass = getSubject(classStatement)
if klass not in classlist and str(klass).startswith(ns):
classlist.append(klass)
@@ -649,8 +655,8 @@ def specInformation(m, ns):
proptypes = [rdf.Property, owl.ObjectProperty, owl.DatatypeProperty, owl.AnnotationProperty]
proplist = []
for onetype in proptypes:
- for propertyStatement in m.find_statements(RDF.Statement(None, rdf.type, onetype)):
- prop = propertyStatement.subject
+ for propertyStatement in findStatements(m, None, rdf.type, onetype):
+ prop = getSubject(propertyStatement)
if prop not in proplist and str(prop).startswith(ns):
proplist.append(prop)
@@ -659,32 +665,32 @@ def specInformation(m, ns):
def specProperty(m, subject, predicate):
"Return a property of the spec."
- for c in m.find_statements(RDF.Statement(None, predicate, None)):
- if c.subject.is_resource() and str(c.subject.uri) == str(subject):
- return c.object.literal_value['string']
+ for c in findStatements(m, None, predicate, None):
+ if getSubject(c).is_resource() and str(getSubject(c).uri) == str(subject):
+ return getObject(c).literal_value['string']
return ''
def specProperties(m, subject, predicate):
"Return a property of the spec."
properties = []
- for c in m.find_statements(RDF.Statement(None, predicate, None)):
- if c.subject.is_resource() and str(c.subject.uri) == str(subject):
- properties += [c.object]
+ for c in findStatements(m, None, predicate, None):
+ if getSubject(c).is_resource() and str(getSubject(c).uri) == str(subject):
+ properties += [getObject(c)]
return properties
def specAuthors(m, subject):
"Return an HTML description of the authors of the spec."
dev = set()
- for i in m.find_statements(RDF.Statement(None, doap.developer, None)):
- for j in m.find_statements(RDF.Statement(i.object, foaf.name, None)):
- dev.add(j.object.literal_value['string'])
+ for i in findStatements(m, None, doap.developer, None):
+ for j in findStatements(m, getObject(i), foaf.name, None):
+ dev.add(getObject(j).literal_value['string'])
maint = set()
- for i in m.find_statements(RDF.Statement(None, doap.maintainer, None)):
- for j in m.find_statements(RDF.Statement(i.object, foaf.name, None)):
- maint.add(j.object.literal_value['string'])
+ for i in findStatements(m, None, doap.maintainer, None):
+ for j in findStatements(m, getObject(i), foaf.name, None):
+ maint.add(getObject(j).literal_value['string'])
doc = ''
first = True
@@ -716,24 +722,24 @@ def specVersion(m, subject):
# Get the date from the latest doap release
latest_doap_revision = ""
latest_doap_release = None
- for i in m.find_statements(RDF.Statement(None, doap.release, None)):
- for j in m.find_statements(RDF.Statement(i.object, doap.revision, None)):
- revision = j.object.literal_value['string']
+ for i in findStatements(m, None, doap.release, None):
+ for j in findStatements(m, getObject(i), doap.revision, None):
+ revision = getObject(j).literal_value['string']
if latest_doap_revision == "" or revision > latest_doap_revision:
latest_doap_revision = revision
- latest_doap_release = i.object
+ latest_doap_release = getObject(i)
date = ""
if latest_doap_release != None:
- for i in m.find_statements(RDF.Statement(latest_doap_release, doap.created, None)):
- date = i.object.literal_value['string']
+ for i in findStatements(m, latest_doap_release, doap.created, None):
+ date = getObject(i).literal_value['string']
# Get the LV2 version
minor_version = 0
micro_version = 0
- for i in m.find_statements(RDF.Statement(None, lv2.minorVersion, None)):
- minor_version = int(i.object.literal_value['string'])
- for i in m.find_statements(RDF.Statement(None, lv2.microVersion, None)):
- micro_version = int(i.object.literal_value['string'])
+ for i in findStatements(m, None, lv2.minorVersion, None):
+ minor_version = int(getObject(i).literal_value['string'])
+ for i in findStatements(m, None, lv2.microVersion, None):
+ micro_version = int(getObject(i).literal_value['string'])
return (minor_version, micro_version, date)
@@ -744,21 +750,21 @@ def getInstances(model, classes, properties):
"""
instances = []
for c in classes:
- for i in model.find_statements(RDF.Statement(None, rdf.type, c)):
- if not i.subject.is_resource():
+ for i in findStatements(model, None, rdf.type, c):
+ if not getSubject(i).is_resource():
continue
- inst = i.subject
+ inst = getSubject(i)
if inst not in instances and str(inst) != spec_url:
instances.append(inst)
- for i in model.find_statements(RDF.Statement(None, rdf.type, None)):
- if ((not i.subject.is_resource())
- or (i.subject in classes)
- or (i.subject in instances)
- or (i.subject in properties)):
+ for i in findStatements(model, None, rdf.type, None):
+ if ((not getSubject(i).is_resource())
+ or (getSubject(i) in classes)
+ or (getSubject(i) in instances)
+ or (getSubject(i) in properties)):
continue
- full_uri = str(i.subject.uri)
+ full_uri = str(getSubject(i).uri)
if (full_uri.startswith(spec_ns_str)):
- instances.append(i.subject)
+ instances.append(getSubject(i))
return instances
@@ -791,13 +797,10 @@ def specgen(specloc, docdir, template, doclinks, instances=False, mode="spec"):
p = RDF.Parser(name="guess")
p.parse_into_model(m, specloc)
- except IOError:
- e = sys.exc_info()[1]
- print('Error reading from ontology:' + str(e))
- usage()
- except RDF.RedlandError:
+ except:
e = sys.exc_info()[1]
- print('Error parsing the ontology')
+ print('Error reading ontology: ' + str(e))
+ return None
spec_url = getOntologyNS(m)
@@ -914,7 +917,7 @@ def specgen(specloc, docdir, template, doclinks, instances=False, mode="spec"):
template = template.replace('@FILES@', other_files)
- comment = getComment(m, spec_url)
+ comment = getComment(m, RDF.Uri(spec_url))
if comment != '':
template = template.replace('@COMMENT@', comment)
else:
@@ -953,11 +956,10 @@ def getNamespaces(parser):
def getOntologyNS(m):
ns = None
- o = m.find_statements(RDF.Statement(None, rdf.type, lv2.Specification))
- if o.current():
- s = o.current().subject
- if (not s.is_blank()):
- ns = str(s.uri)
+ s = findOne(m, None, rdf.type, lv2.Specification)
+ if s:
+ if (not getSubject(s).is_blank()):
+ ns = str(getSubject(s).uri)
if (ns == None):
sys.exit("Impossible to get ontology's namespace")