lib/license: Move package license skip to library

Moves the code that skips packages with incompatible licenses to the
library code so that it can be called in other locations

(From OE-Core rev: 4f7a047c4a1e14bbb3bf593764aace1e25bcd4a4)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 86eb409e3c1b30110869ec5a0027ae2d48bbfe7f)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/classes-global/base.bbclass

@@ -565,37 +565,10 @@ python () {
 
         bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE') or "").split()
 
-        check_license = False if pn.startswith("nativesdk-") else True
-        for t in ["-native", "-cross-${TARGET_ARCH}", "-cross-initial-${TARGET_ARCH}",
-              "-crosssdk-${SDK_SYS}", "-crosssdk-initial-${SDK_SYS}",
-              "-cross-canadian-${TRANSLATED_TARGET_ARCH}"]:
-            if pn.endswith(d.expand(t)):
-                check_license = False
-        if pn.startswith("gcc-source-"):
-            check_license = False
-
-        if check_license and bad_licenses:
-            bad_licenses = oe.license.expand_wildcard_licenses(d, bad_licenses)
-
-            exceptions = (d.getVar("INCOMPATIBLE_LICENSE_EXCEPTIONS") or "").split()
-
-            for lic_exception in exceptions:
-                if ":" in lic_exception:
-                    lic_exception = lic_exception.split(":")[1]
-                if lic_exception in oe.license.obsolete_license_list():
-                    bb.fatal("Obsolete license %s used in INCOMPATIBLE_LICENSE_EXCEPTIONS" % lic_exception)
-
         pkgs = d.getVar('PACKAGES').split()
-            skipped_pkgs = {}
+        if pkgs:
-            unskipped_pkgs = []
+            skipped_pkgs = oe.license.skip_incompatible_package_licenses(d, pkgs)
-            for pkg in pkgs:
+            unskipped_pkgs = [p for p in pkgs if p not in skipped_pkgs]
-                remaining_bad_licenses = oe.license.apply_pkg_license_exception(pkg, bad_licenses, exceptions)
-
-                incompatible_lic = oe.license.incompatible_license(d, remaining_bad_licenses, pkg)
-                if incompatible_lic:
-                    skipped_pkgs[pkg] = incompatible_lic
-                else:
-                    unskipped_pkgs.append(pkg)
 
             if unskipped_pkgs:
                 for pkg in skipped_pkgs:

meta/lib/oe/license.py

@@ -422,3 +422,42 @@ def check_license_format(d):
                     '%s: LICENSE value "%s" has an invalid separator "%s" that is not ' \
                     'in the valid list of separators (%s)' %
                     (pn, licenses, element, license_operator_chars), d)
+
+def skip_incompatible_package_licenses(d, pkgs):
+    if not pkgs:
+        return {}
+
+    pn = d.getVar("PN")
+
+    check_license = False if pn.startswith("nativesdk-") else True
+    for t in ["-native", "-cross-${TARGET_ARCH}", "-cross-initial-${TARGET_ARCH}",
+            "-crosssdk-${SDK_SYS}", "-crosssdk-initial-${SDK_SYS}",
+            "-cross-canadian-${TRANSLATED_TARGET_ARCH}"]:
+        if pn.endswith(d.expand(t)):
+            check_license = False
+    if pn.startswith("gcc-source-"):
+        check_license = False
+
+    bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE') or "").split()
+    if not check_license or not bad_licenses:
+        return {}
+
+    bad_licenses = expand_wildcard_licenses(d, bad_licenses)
+
+    exceptions = (d.getVar("INCOMPATIBLE_LICENSE_EXCEPTIONS") or "").split()
+
+    for lic_exception in exceptions:
+        if ":" in lic_exception:
+            lic_exception = lic_exception.split(":")[1]
+        if lic_exception in obsolete_license_list():
+            bb.fatal("Obsolete license %s used in INCOMPATIBLE_LICENSE_EXCEPTIONS" % lic_exception)
+
+    skipped_pkgs = {}
+    for pkg in pkgs:
+        remaining_bad_licenses = apply_pkg_license_exception(pkg, bad_licenses, exceptions)
+
+        incompatible_lic = incompatible_license(d, remaining_bad_licenses, pkg)
+        if incompatible_lic:
+            skipped_pkgs[pkg] = incompatible_lic
+
+    return skipped_pkgs