Add support for "downloadUrl" in package manifest

Makefile

@@ -10,7 +10,7 @@ black:
 	black --target-version py27 ./tests
 
 test:
-	py.test --verbose --capture=no --exitfirst -n 3 --dist=loadscope tests --ignore tests/test_examples.py
+	py.test --verbose --capture=no --exitfirst -n 6 --dist=loadscope tests --ignore tests/test_examples.py
 
 before-commit: isort black lint test
 

platformio/package/manifest/schema.py

@@ -92,8 +92,11 @@ class ManifestSchema(Schema):
     homepage = fields.Url(validate=validate.Length(min=1, max=255))
     license = fields.Str(validate=validate.Length(min=1, max=255))
     repository = fields.Nested(RepositorySchema)
+
+    # library.json
     export = fields.Nested(ExportSchema)
     examples = fields.Nested(ExampleSchema, many=True)
+    downloadUrl = fields.Url(validate=validate.Length(min=1, max=255))
 
     keywords = StrictListField(
         fields.Str(
@@ -105,7 +108,6 @@ class ManifestSchema(Schema):
             ]
         )
     )
-
     platforms = StrictListField(
         fields.Str(
             validate=[

tests/test_pkgmanifest.py

@@ -202,6 +202,7 @@ def test_library_json_schema():
     "name": "Benoit Blanchon",
     "url": "https://blog.benoitblanchon.fr"
   },
+  "downloadUrl": "https://example.com/package.tar.gz",
   "exclude": [
     "fuzzing",
     "scripts",
@@ -251,6 +252,7 @@ def test_library_json_schema():
             "authors": [
                 {"name": "Benoit Blanchon", "url": "https://blog.benoitblanchon.fr"}
             ],
+            "downloadUrl": "https://example.com/package.tar.gz",
             "export": {"exclude": ["fuzzing", "scripts", "test", "third-party"]},
             "frameworks": ["arduino"],
             "platforms": ["*"],