[Tracker] [PATCH] Add iso extractor using libosinfo
- From: Christophe Fergeau <cfergeau redhat com>
- To: tracker-list gnome org
- Subject: [Tracker] [PATCH] Add iso extractor using libosinfo
- Date: Fri, 16 Dec 2011 15:06:44 +0100
---
configure.ac | 35 ++++++++
data/ontologies/33-nfo.ontology | 9 ++-
data/ontologies/93-libosinfo.description | 13 +++
data/ontologies/93-libosinfo.ontology | 32 +++++++
data/ontologies/Makefile.am | 3 +-
src/tracker-extract/11-iso.rule.in | 4 +
src/tracker-extract/Makefile.am | 19 +++++
src/tracker-extract/tracker-extract-iso.c | 127 +++++++++++++++++++++++++++++
8 files changed, 240 insertions(+), 2 deletions(-)
create mode 100644 data/ontologies/93-libosinfo.description
create mode 100644 data/ontologies/93-libosinfo.ontology
create mode 100644 src/tracker-extract/11-iso.rule.in
create mode 100644 src/tracker-extract/tracker-extract-iso.c
diff --git a/configure.ac b/configure.ac
index de0b6f8..9b6f85d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -175,6 +175,7 @@ LIBVORBIS_REQUIRED=0.22
LIBFLAC_REQUIRED=1.2.1
LIBEXIF_REQUIRED=0.6
LIBGSF_REQUIRED=1.13
+LIBOSINFO_REQUIRED=0.0.2
EXEMPI_REQUIRED=2.1.0
EVO_REQUIRED=2.32.0
EVO_SHELL_REQUIRED=2.32.0
@@ -1811,6 +1812,39 @@ fi
AM_CONDITIONAL(HAVE_LIBGSF, test "x$have_libgsf" = "xyes")
##################################################################
+# Check for tracker-extract: libosinfo
+##################################################################
+
+AC_ARG_ENABLE(libosinfo,
+ AS_HELP_STRING([--enable-libosinfo],
+ [enable extractor for ISO data [[default=auto]]]),,
+ [enable_libosinfo=auto])
+
+if test "x$enable_libosinfo" != "xno" ; then
+ PKG_CHECK_MODULES(LIBOSINFO,
+ [libosinfo-1.0 >= $LIBOSINFO_REQUIRED],
+ [have_libosinfo=yes],
+ [have_libosinfo=no])
+
+ AC_SUBST(LIBOSINFO_CFLAGS)
+ AC_SUBST(LIBOSINFO_LIBS)
+
+ if test "x$have_libosinfo" = "xyes"; then
+ AC_DEFINE(HAVE_LIBOSINFO, [], [Define if we have libosinfo])
+ fi
+else
+ have_libosinfo="no (disabled)"
+fi
+
+if test "x$enable_libosinfo" = "xyes"; then
+ if test "x$have_libosinfo" != "xyes"; then
+ AC_MSG_ERROR([Couldn't find libosinfo >= $LIBOSINFO_REQUIRED.])
+ fi
+fi
+
+AM_CONDITIONAL(HAVE_LIBOSINFO, test "x$have_libosinfo" = "xyes")
+
+##################################################################
# Check for tracker-extract: libgif
##################################################################
@@ -2329,6 +2363,7 @@ Metadata Extractors:
Support media art processing: $selected_for_media_art
Support cue sheet parsing: $have_libcue
Support playlists (w/ Totem): $have_playlist
+ Support ISO image parsing: $have_libosinfo
Data Miners:
diff --git a/data/ontologies/33-nfo.ontology b/data/ontologies/33-nfo.ontology
index 65e4fb9..1006def 100644
--- a/data/ontologies/33-nfo.ontology
+++ b/data/ontologies/33-nfo.ontology
@@ -12,7 +12,7 @@
nfo: a tracker:Namespace, tracker:Ontology ;
tracker:prefix "nfo" ;
- nao:lastModified "2011-12-06T15:40:00Z" .
+ nao:lastModified "2011-12-15T18:51:25Z" .
nfo:Document a rdfs:Class ;
rdfs:label "Document" ;
@@ -926,6 +926,13 @@ nfo:isContentEncrypted a rdf:Property ;
rdfs:domain nie:InformationElement ;
rdfs:range xsd:boolean .
+# This change must be proposed upstream
+nfo:isBootable a rdf:Property ;
+ rdfs:label "Is content bootable" ;
+ rdfs:comment "Might change (IE of DataObject property?)" ;
+ nrl:maxCardinality 1 ;
+ rdfs:domain nie:InformationElement ;
+ rdfs:range xsd:boolean .
# Ontology request by Alexander Bokovoy, replaces nfo:device
# These classes and properties need to be submitted to NEPOMUK
diff --git a/data/ontologies/93-libosinfo.description b/data/ontologies/93-libosinfo.description
new file mode 100644
index 0000000..edb5035
--- /dev/null
+++ b/data/ontologies/93-libosinfo.description
@@ -0,0 +1,13 @@
+ prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+
+<virtual-ontology-uri:93-libosinfo.ontology> a dsc:Ontology ;
+ dsc:title "libosinfo-specific annotations Ontology" ;
+ dsc:description "Libosinf properties" ;
+
+ dsc:author "Red Hat, Inc" ;
+ dsc:editor "Red Hat, Inc" ;
+ dsc:gitlog "http://git.gnome.org/cgit/tracker/log/data/ontologies/93-libosinfo.ontology";;
+
+ dsc:localPrefix "osinfo" ;
+ dsc:baseUrl "http://www.tracker-project.org/ontologies/osinfo#";;
+ dsc:relativePath "./93-libosinfo.ontology" .
diff --git a/data/ontologies/93-libosinfo.ontology b/data/ontologies/93-libosinfo.ontology
new file mode 100644
index 0000000..be5c1c8
--- /dev/null
+++ b/data/ontologies/93-libosinfo.ontology
@@ -0,0 +1,32 @@
+ prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
+ prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
+ prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+ prefix osinfo: <http://www.tracker-project.org/ontologies/osinfo#> .
+ prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+ prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+ prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+ prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+
+osinfo: a tracker:Namespace, tracker:Ontology ;
+ tracker:prefix "osinfo" ;
+ nao:lastModified "2011-12-16T08:00:00Z" .
+
+osinfo:isInstaller a rdf:Property ;
+ nrl:maxCardinality 1 ;
+ rdfs:domain nie:InformationElement ;
+ rdfs:range xsd:boolean .
+
+osinfo:isLiveCD a rdf:Property ;
+ nrl:maxCardinality 1 ;
+ rdfs:domain nie:InformationElement ;
+ rdfs:range xsd:boolean .
+
+osinfo:osName a rdf:Property ;
+ nrl:maxCardinality 1 ;
+ rdfs:domain nie:InformationElement ;
+ rdfs:range xsd:string .
+
+osinfo:id a rdf:Property ;
+ nrl:maxCardinality 1 ;
+ rdfs:domain nie:InformationElement ;
+ rdfs:range xsd:string .
diff --git a/data/ontologies/Makefile.am b/data/ontologies/Makefile.am
index b86440d..63ddbd2 100644
--- a/data/ontologies/Makefile.am
+++ b/data/ontologies/Makefile.am
@@ -24,7 +24,8 @@ config_DATA = \
41-mfo.ontology 41-mfo.description \
89-mtp.ontology 89-mtp.description \
92-slo.ontology 92-slo.description \
- 90-tracker.ontology 90-tracker.description
+ 90-tracker.ontology 90-tracker.description \
+ 93-libosinfo.ontology 93-libosinfo.description
if HAVE_MAEMO
config_DATA += \
diff --git a/src/tracker-extract/11-iso.rule.in b/src/tracker-extract/11-iso.rule.in
new file mode 100644
index 0000000..30d0ff6
--- /dev/null
+++ b/src/tracker-extract/11-iso.rule.in
@@ -0,0 +1,4 @@
+[ExtractorRule]
+ModulePath= modulesdir@/libextract-iso.so
+MimeTypes=application/x-cd-image
+
diff --git a/src/tracker-extract/Makefile.am b/src/tracker-extract/Makefile.am
index 105899d..39203e9 100644
--- a/src/tracker-extract/Makefile.am
+++ b/src/tracker-extract/Makefile.am
@@ -34,6 +34,7 @@ rules_in_files = \
10-tiff.rule.in \
10-vorbis.rule.in \
10-xmp.rule.in \
+ 11-iso.rule.in \
11-msoffice-xml.rule.in \
15-gstreamer-guess.rule.in \
15-playlist.rule.in \
@@ -141,6 +142,11 @@ modules_LTLIBRARIES += libextract-playlist.la
rules_DATA += 15-playlist.rule
endif
+if HAVE_LIBOSINFO
+modules_LTLIBRARIES += libextract-iso.la
+rules_DATA += 11-iso.rule
+endif
+
# ABW
libextract_abw_la_SOURCES = tracker-extract-abw.c
libextract_abw_la_CFLAGS = $(TRACKER_EXTRACT_MODULES_CFLAGS)
@@ -422,6 +428,19 @@ libextract_icon_la_LIBADD = \
$(BUILD_LIBS) \
$(TRACKER_EXTRACT_MODULES_LIBS)
+# ISO
+libextract_iso_la_SOURCES = tracker-extract-iso.c
+libextract_iso_la_CFLAGS = \
+ $(TRACKER_EXTRACT_MODULES_CFLAGS) \
+ $(LIBOSINFO_CFLAGS)
+
+libextract_iso_la_LDFLAGS = $(module_flags)
+libextract_iso_la_LIBADD = \
+ $(top_builddir)/src/libtracker-extract/libtracker-extract- TRACKER_API_VERSION@.la \
+ $(BUILD_LIBS) \
+ $(TRACKER_EXTRACT_MODULES_LIBS) \
+ $(LIBOSINFO_LIBS)
+
#
# Binaries
#
diff --git a/src/tracker-extract/tracker-extract-iso.c b/src/tracker-extract/tracker-extract-iso.c
new file mode 100644
index 0000000..17f577e
--- /dev/null
+++ b/src/tracker-extract/tracker-extract-iso.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2011, Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Author: Christophe Fergeau <cfergeau redhat com>
+ */
+
+#include <stdio.h>
+
+#include <osinfo/osinfo.h>
+
+#include <gio/gio.h>
+
+#include <libtracker-extract/tracker-extract.h>
+#include <libtracker-sparql/tracker-sparql.h>
+
+G_MODULE_EXPORT gboolean
+tracker_extract_get_metadata (TrackerExtractInfo *info_)
+{
+ /* NOTE: This function has to exist, tracker-extract checks
+ * the symbole table for this function and if it doesn't
+ * exist, the module is not loaded to be used as an extractor.
+ */
+
+ /* File information */
+ GFile *file;
+ GError *error = NULL;
+ gchar *filename;
+ OsinfoLoader *loader;
+ OsinfoMedia *media;
+ OsinfoMedia *matched_media;
+ OsinfoDb *db;
+ OsinfoOs *os;
+
+ /* Data input */
+ gboolean bootable;
+ gboolean has_installer;
+ gboolean is_live;
+ gchar *id;
+ gchar *name;
+ TrackerSparqlBuilder *metadata;
+
+ metadata = tracker_extract_info_get_metadata_builder (info_);
+
+ file = tracker_extract_info_get_file (info_);
+ filename = g_file_get_path (file);
+
+
+ media = osinfo_media_create_from_location (filename, NULL, &error);
+ if (error != NULL) {
+ if (error->code != OSINFO_MEDIA_ERROR_NOT_BOOTABLE) {
+ g_message ("Could not extract iso info from '%s': %s",
+ filename, error->message);
+ g_free (filename);
+ g_error_free (error);
+ return FALSE;
+ }
+ bootable = FALSE;
+ } else {
+ bootable = TRUE;
+ }
+ g_free (filename);
+
+ loader = osinfo_loader_new ();
+ osinfo_loader_process_default_path (loader, &error);
+ if (error != NULL) {
+ g_message ("Error loading libosinfo OS data: %s",
+ error->message);
+ g_error_free (error);
+ g_object_unref (G_OBJECT(loader));
+ g_object_unref (G_OBJECT(media));
+ return FALSE;
+ }
+ db = osinfo_loader_get_db (loader);
+ os = osinfo_db_guess_os_from_media(db, media, &matched_media);
+
+ has_installer = osinfo_media_get_installer (media);
+ is_live = osinfo_media_get_live (media);
+
+ id = g_strdup (osinfo_entity_get_id (OSINFO_ENTITY (os)));
+ name = g_strdup (osinfo_product_get_name (OSINFO_PRODUCT (os)));
+
+ g_object_unref (G_OBJECT (media));
+ g_object_unref (G_OBJECT (loader));
+
+ if (is_live || has_installer) {
+ tracker_sparql_builder_predicate (metadata, "a");
+ tracker_sparql_builder_object (metadata, "nfo:OperatingSystem");
+ }
+
+ tracker_sparql_builder_predicate (metadata, "nfo:duration");
+ tracker_sparql_builder_object_int64 (metadata, 75);
+
+ tracker_sparql_builder_predicate (metadata, "nfo:isBootable");
+ tracker_sparql_builder_object_boolean (metadata, bootable);
+
+ tracker_sparql_builder_predicate (metadata, "osinfo:isInstaller");
+ tracker_sparql_builder_object_boolean (metadata, has_installer);
+
+ tracker_sparql_builder_predicate (metadata, "osinfo:isLiveCD");
+ tracker_sparql_builder_object_boolean (metadata, is_live);
+
+ tracker_sparql_builder_predicate (metadata, "osinfo:id");
+ tracker_sparql_builder_object_string (metadata, id);
+
+ tracker_sparql_builder_predicate (metadata, "osinfo:osName");
+ tracker_sparql_builder_object_string (metadata, name);
+
+ g_free (id);
+ g_free (name);
+
+ return TRUE;
+}
--
1.7.7.4
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