[OE-core] [PATCH 1/2] image_license.bbclass: Write JSON files containing license data.

[Rob Walton]

For easier machine readability of license manifests, write a
manifest.json containing license data and package info.

Signed-off-by: Rob Walton <rob.walton at arm.com>
---
 meta/classes/license_image.bbclass | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/meta/classes/license_image.bbclass b/meta/classes/license_image.bbclass
index 6750038..6952417 100644
--- a/meta/classes/license_image.bbclass
+++ b/meta/classes/license_image.bbclass
@@ -36,6 +36,7 @@ python license_create_manifest() {
 }

 def write_license_files(d, license_manifest, pkg_dic, rootfs=True):
+    import json
     import re
     import stat

@@ -43,6 +44,7 @@ def write_license_files(d, license_manifest, pkg_dic, rootfs=True):
     bad_licenses = map(lambda l: canonical_license(d, l), bad_licenses)
     bad_licenses = expand_wildcard_licenses(d, bad_licenses)

+    json_data = dict()
     with open(license_manifest, "w") as license_file:
         for pkg in sorted(pkg_dic):
             if bad_licenses:
@@ -63,7 +65,14 @@ def write_license_files(d, license_manifest, pkg_dic, rootfs=True):
                 license_file.write("PACKAGE VERSION: %s\n" % pkg_dic[pkg]["PV"])
                 license_file.write("RECIPE NAME: %s\n" % pkg_dic[pkg]["PN"])
                 license_file.write("LICENSE: %s\n\n" % pkg_dic[pkg]["LICENSE"])
-
+                json_data[pkg] = {
+                    "RECIPE NAME": pkg_dic[pkg]["PN"],
+                    "PACKAGE VERSION": pkg_dic[pkg]["PV"],
+                    "PACKAGE NAME": pkg,
+                    "LICENSE": pkg_dic[pkg]["LICENSE"],
+                    "HOMEPAGE": pkg_dic[pkg].get("HOMEPAGE", ""),
+                    "SUMMARY": pkg_dic[pkg].get("SUMMARY", ""),
+                    }
                 # If the package doesn't contain any file, that is, its size is 0, the license
                 # isn't relevant as far as the final image is concerned. So doing license check
                 # doesn't make much sense, skip it.
@@ -75,6 +84,14 @@ def write_license_files(d, license_manifest, pkg_dic, rootfs=True):
                 license_file.write("VERSION: %s\n" % pkg_dic[pkg]["PV"])
                 license_file.write("LICENSE: %s\n" % pkg_dic[pkg]["LICENSE"])
                 license_file.write("FILES: %s\n\n" % pkg_dic[pkg]["FILES"])
+                json_data[pkg] = {
+                    "RECIPE NAME": pkg_dic[pkg]["PN"],
+                    "VERSION": pkg_dic[pkg]["PV"],
+                    "FILES": pkg_dic[pkg]["FILES"],
+                    "LICENSE": pkg_dic[pkg]["LICENSE"],
+                    "HOMEPAGE": pkg_dic[pkg].get("HOMEPAGE", ""),
+                    "SUMMARY": pkg_dic[pkg].get("SUMMARY", ""),
+                    }

             for lic in pkg_dic[pkg]["LICENSES"]:
                 lic_file = os.path.join(d.getVar('LICENSE_DIRECTORY'),
@@ -89,6 +106,10 @@ def write_license_files(d, license_manifest, pkg_dic, rootfs=True):
                             "licenses collected for recipe %s"
                             % (lic, pkg_dic[pkg]["PN"]))

+    # Write a json file containing the license data.
+    with open("{}.json".format(license_manifest), "w") as license_file_json:
+        license_file_json.write(json.dumps(json_data))
+
     # Two options here:
     # - Just copy the manifest
     # - Copy the manifest and the license directories
--
2.7.4

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