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-rw-r--r--meta/lib/oe/packagegroup.py29
1 files changed, 29 insertions, 0 deletions
diff --git a/meta/lib/oe/packagegroup.py b/meta/lib/oe/packagegroup.py
new file mode 100644
index 000000000..b04c45a1a
--- /dev/null
+++ b/meta/lib/oe/packagegroup.py
@@ -0,0 +1,29 @@
+import itertools
+
+def is_optional(group, d):
+ return bool(d.getVarFlag("PACKAGE_GROUP_%s" % group, "optional"))
+
+def packages(groups, d):
+ for group in groups:
+ for pkg in (d.getVar("PACKAGE_GROUP_%s" % group, True) or "").split():
+ yield pkg
+
+def required_packages(groups, d):
+ req = filter(lambda group: not is_optional(group, d), groups)
+ return packages(req, d)
+
+def optional_packages(groups, d):
+ opt = filter(lambda group: is_optional(group, d), groups)
+ return packages(opt, d)
+
+def active_packages(features, d):
+ return itertools.chain(required_packages(features, d),
+ optional_packages(features, d))
+
+def active_recipes(features, d):
+ import oe.packagedata
+
+ for pkg in active_packages(features, d):
+ recipe = oe.packagedata.recipename(pkg, d)
+ if recipe:
+ yield recipe