1 files changed, 79 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/classes/copyleft_filter.bbclass b/import-layers/yocto-poky/meta/classes/copyleft_filter.bbclass
new file mode 100644
index 000000000..46be7f7d2
--- /dev/null
+++ b/import-layers/yocto-poky/meta/classes/copyleft_filter.bbclass
@@ -0,0 +1,79 @@
+# Filter the license, the copyleft_should_include returns True for the
+# COPYLEFT_LICENSE_INCLUDE recipe, and False for the
+# COPYLEFT_LICENSE_EXCLUDE.
+#
+# By default, includes all GPL and LGPL, and excludes CLOSED and Proprietary.
+#
+# vi:sts=4:sw=4:et
+
+COPYLEFT_LICENSE_INCLUDE ?= 'GPL* LGPL*'
+COPYLEFT_LICENSE_INCLUDE[type] = 'list'
+COPYLEFT_LICENSE_INCLUDE[doc] = 'Space separated list of globs which include licenses'
+
+COPYLEFT_LICENSE_EXCLUDE ?= 'CLOSED Proprietary'
+COPYLEFT_LICENSE_EXCLUDE[type] = 'list'
+COPYLEFT_LICENSE_EXCLUDE[doc] = 'Space separated list of globs which exclude licenses'
+
+COPYLEFT_RECIPE_TYPE ?= '${@copyleft_recipe_type(d)}'
+COPYLEFT_RECIPE_TYPE[doc] = 'The "type" of the current recipe (e.g. target, native, cross)'
+
+COPYLEFT_RECIPE_TYPES ?= 'target'
+COPYLEFT_RECIPE_TYPES[type] = 'list'
+COPYLEFT_RECIPE_TYPES[doc] = 'Space separated list of recipe types to include'
+
+COPYLEFT_AVAILABLE_RECIPE_TYPES = 'target native nativesdk cross crosssdk cross-canadian'
+COPYLEFT_AVAILABLE_RECIPE_TYPES[type] = 'list'
+COPYLEFT_AVAILABLE_RECIPE_TYPES[doc] = 'Space separated list of available recipe types'
+
+COPYLEFT_PN_INCLUDE ?= ''
+COPYLEFT_PN_INCLUDE[type] = 'list'
+COPYLEFT_PN_INCLUDE[doc] = 'Space separated list of recipe names to include'
+
+COPYLEFT_PN_EXCLUDE ?= ''
+COPYLEFT_PN_EXCLUDE[type] = 'list'
+COPYLEFT_PN_EXCLUDE[doc] = 'Space separated list of recipe names to exclude'
+
+def copyleft_recipe_type(d):
+    for recipe_type in oe.data.typed_value('COPYLEFT_AVAILABLE_RECIPE_TYPES', d):
+        if oe.utils.inherits(d, recipe_type):
+            return recipe_type
+    return 'target'
+
+def copyleft_should_include(d):
+    """
+    Determine if this recipe's sources should be deployed for compliance
+    """
+    import ast
+    import oe.license
+    from fnmatch import fnmatchcase as fnmatch
+
+    included, motive = False, 'recipe did not match anything'
+
+    recipe_type = d.getVar('COPYLEFT_RECIPE_TYPE', True)
+    if recipe_type not in oe.data.typed_value('COPYLEFT_RECIPE_TYPES', d):
+        include, motive = False, 'recipe type "%s" is excluded' % recipe_type
+
+    include = oe.data.typed_value('COPYLEFT_LICENSE_INCLUDE', d)
+    exclude = oe.data.typed_value('COPYLEFT_LICENSE_EXCLUDE', d)
+
+    try:
+        is_included, reason = oe.license.is_included(d.getVar('LICENSE', True), include, exclude)
+    except oe.license.LicenseError as exc:
+        bb.fatal('%s: %s' % (d.getVar('PF', True), exc))
+    else:
+        if is_included:
+            if reason:
+                included, motive = True, 'recipe has included licenses: %s' % ', '.join(reason)
+            else:
+                included, motive = False, 'recipe does not include a copyleft license'
+        else:
+            included, motive = False, 'recipe has excluded licenses: %s' % ', '.join(reason)
+
+    if any(fnmatch(d.getVar('PN', True), name) \
+            for name in oe.data.typed_value('COPYLEFT_PN_INCLUDE', d)):
+        included, motive =  True, 'recipe included by name'
+    if any(fnmatch(d.getVar('PN', True), name) \
+            for name in oe.data.typed_value('COPYLEFT_PN_EXCLUDE', d)):
+        included, motive = False, 'recipe excluded by name'
+
+    return included, motive