[OE-core] [PATCH 2/3] packageinfo.bbclass: add a new bbclass to pass package information

[Dongxiao Xu]

packageinfo.bbclass is to pass the accurate package information to
clients (e.g. Hob), including PN, PV, RDEPENDS, PKGSIZE, etc.

Signed-off-by: Dongxiao Xu <dongxiao.xu at intel.com>
---
 meta/classes/packageinfo.bbclass |   30 ++++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)
 create mode 100644 meta/classes/packageinfo.bbclass

diff --git a/meta/classes/packageinfo.bbclass b/meta/classes/packageinfo.bbclass
new file mode 100644
index 0000000..53551c4
--- /dev/null
+++ b/meta/classes/packageinfo.bbclass
@@ -0,0 +1,30 @@
+python packageinfo_handler () {
+    if isinstance(e, bb.event.RequestPackageInfo):
+        import oe.packagedata
+        pkginfolist = []
+        tmpdir = e.data.getVar('TMPDIR', True)
+        target_vendor = e.data.getVar('TARGET_VENDOR', True)
+        target_os = e.data.getVar('TARGET_OS', True)
+        package_archs = e.data.getVar('PACKAGE_ARCHS', True)
+        packaging = e.data.getVar('PACKAGE_CLASSES', True).split()[0].split('_')[1]
+        deploy_dir = e.data.getVar('DEPLOY_DIR', True) + '/' + packaging
+        for arch in package_archs.split():
+            pkgdata_dir = tmpdir + '/pkgdata/' + arch + target_vendor + '-' + target_os + '/runtime/'
+            if os.path.exists(pkgdata_dir):
+                for root, dirs, files in os.walk(pkgdata_dir):
+                    for pkgname in files:
+                        if pkgname.endswith('.packaged'):
+                            continue
+                        sdata = oe.packagedata.read_pkgdatafile(root + pkgname)
+                        sdata['PKG'] = pkgname
+                        pkgrename = sdata['PKG_%s' % pkgname]
+                        pkgv = sdata['PKGV']
+                        pkgr = sdata['PKGR']
+                        pkgname_path = deploy_dir + '/' + arch + '/' + pkgname + '-' + pkgv + '-' + pkgr + '.' + arch + '.' + packaging
+                        pkgrename_path = deploy_dir + '/' + arch + '/' + pkgrename + '-' + pkgv + '-' + pkgr + '.' + arch + '.' + packaging
+                        if os.path.exists(pkgname_path) or os.path.exists(pkgrename_path):
+                            pkginfolist.append(sdata)
+        bb.event.fire(bb.event.PackageInfo(pkginfolist), e.data)
+}
+
+addhandler packageinfo_handler
-- 
1.7.0.4