license.bbclass: Infinite recursion of or nodes

This fixes two bugs. When populate_lic was hitting | it was going
into an infinite recursion of the node.

Also, some LICENSE fields may start with "(". We want to avoid
invalid python syntax here, so we strip out the whitespace.

Signed-off-by: Beth Flanagan <elizabeth.flanagan@intel.com>

1 files changed, 8 insertions, 7 deletions

diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index a4d34e7c0..3f93bf5df 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -22,7 +22,7 @@ do_populate_lic[cleandirs] = "${LICSSTATEDIR}"
 #
 # We should really discuss standardizing this field, but that's a longer term goal. 
 # For now, we can do this and it should grab the most common LICENSE naming variations.
-# 
+
 #GPL variations
 SPDXLICENSEMAP[GPL] = "GPL-1"
 SPDXLICENSEMAP[GPLv2] = "GPL-2"
@@ -77,7 +77,8 @@ python do_populate_lic() {
             op = node.op
             if isinstance(op, ast.BitOr): 
                 x = LicenseVisitor()
-                x.visit(node)
+                x.visit(node.left)
+                x.visit(node.right)
             else:               
                 ast.NodeVisitor.generic_visit(self, node)
 
@@ -96,7 +97,6 @@ python do_populate_lic() {
             pass
 
     def find_license(license_type):
-
         try:
             bb.mkdirhier(gen_lic_dest)
         except:
@@ -106,7 +106,7 @@ python do_populate_lic() {
         if not os.path.isfile(os.path.join(generic_directory, license_type)):
             if bb.data.getVarFlag('SPDXLICENSEMAP', license_type, d) != None:
                 # Great, there is an SPDXLICENSEMAP. We can copy!
-                bb.warn("We need to use a SPDXLICENSEMAP for %s" % (license_type))
+                bb.note("We need to use a SPDXLICENSEMAP for %s" % (license_type))
                 spdx_generic = bb.data.getVarFlag('SPDXLICENSEMAP', license_type, d)
                 copy_license(generic_directory, gen_lic_dest, spdx_generic)            
                 link_license(gen_lic_dest, destdir, spdx_generic)            
@@ -119,7 +119,6 @@ python do_populate_lic() {
             copy_license(generic_directory, gen_lic_dest, license_type)
             link_license(gen_lic_dest, destdir, license_type)            
 
-
     # All the license types for the package
     license_types = bb.data.getVar('LICENSE', d, True)
     # All the license files for the package
@@ -131,7 +130,7 @@ python do_populate_lic() {
     srcdir = bb.data.getVar('S', d, True)
     # Directory we store the generic licenses as set in the distro configuration
     generic_directory = bb.data.getVar('COMMON_LICENSE_DIR', d, True)
-    bb.warn(generic_directory)
+    
     try:
         bb.mkdirhier(destdir)
     except:
@@ -158,13 +157,15 @@ python do_populate_lic() {
     gen_lic_dest = os.path.join(bb.data.getVar('LICENSE_DIRECTORY', d, True), "common-licenses")
     
     clean_licenses = ""
+
     for x in license_types.replace("(", " ( ").replace(")", " ) ").split():
         if ((x != "(") and (x != ")") and (x != "&") and (x != "|")):
             clean_licenses += "'" + x + "'"
         else:
             clean_licenses += " " + x + " "
 
-    node = ast.parse(clean_licenses)
+    # lstrip any possible indents, since ast needs python syntax.
+    node = ast.parse(clean_licenses.lstrip())
     v = LicenseVisitor()
     v.visit(node)
 }