Merge pull request #15586 from github/criemen/bazel-python-language-pack

Python: Update BUILD.bazel files.

Author: criemen

python/BUILD.bazel

@@ -1,3 +1,5 @@
+load("@rules_pkg//:mappings.bzl", "pkg_filegroup", "pkg_files")
+
 package(default_visibility = ["//visibility:public"])
 
 alias(
@@ -9,3 +11,20 @@ alias(
     name = "dbscheme-stats",
     actual = "//python/ql/lib:dbscheme-stats",
 )
+
+pkg_files(
+    name = "dbscheme-group",
+    srcs = [
+        ":dbscheme",
+        ":dbscheme-stats",
+    ],
+    strip_prefix = None,
+)
+
+pkg_filegroup(
+    name = "db-files",
+    srcs = [
+        ":dbscheme-group",
+        "//python/downgrades",
+    ],
+)

python/downgrades/BUILD.bazel

@@ -0,0 +1,12 @@
+load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
+
+pkg_files(
+    name = "downgrades",
+    srcs = glob(
+        ["**"],
+        exclude = ["BUILD.bazel"],
+    ),
+    prefix = "downgrades",
+    strip_prefix = strip_prefix.from_pkg(),
+    visibility = ["//python:__pkg__"],
+)