Move load statements to the top to remove the Buildifier warnings (bazel-contrib#277)

Also fix a dict ordering issue

Author: laurentlb

distro/BUILD

@@ -1,11 +1,11 @@
-package(
-    default_visibility = ["//visibility:private"],
-)
-
 load("@rules_pkg//:pkg.bzl", "pkg_tar")
 load("@rules_pkg//releasing:defs.bzl", "print_rel_notes")
 load("@rules_python//:version.bzl", "version")
 
+package(
+    default_visibility = ["//visibility:private"],
+)
+
 # Build the artifact to put on the github release page.
 pkg_tar(
     name = "rules_python-%s" % version,

docs/BUILD

@@ -16,13 +16,13 @@
 # To regenerate documentation, run the top-level update_docs.sh script.       #
 ###############################################################################
 
+load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
+load("@io_bazel_skydoc//stardoc:stardoc.bzl", "stardoc")
+
 package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])  # Apache 2.0
 
-load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
-load("@io_bazel_skydoc//stardoc:stardoc.bzl", "stardoc")
-
 # We define these bzl_library targets here rather than in the //python package
 # because they're only used for doc generation. This way, we avoid requiring
 # our users to depend on Skylib.

examples/boto/BUILD

@@ -11,13 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0
 
 load("@examples_boto//:requirements.bzl", "requirement")
 load("//python:defs.bzl", "py_test")
 
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
 py_test(
     name = "boto_test",
     srcs = ["boto_test.py"],

examples/extras/BUILD

@@ -11,13 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0
 
 load("@examples_extras//:requirements.bzl", "requirement")
 load("//python:defs.bzl", "py_test")
 
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
 py_test(
     name = "extras_test",
     srcs = ["extras_test.py"],

examples/helloworld/BUILD

@@ -11,13 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0
 
 load("@examples_helloworld//:requirements.bzl", "requirement")
 load("//python:defs.bzl", "py_library", "py_test")
 
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
 py_library(
     name = "helloworld",
     srcs = ["helloworld.py"],

examples/version/BUILD

@@ -11,13 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0
 
 load("@examples_version//:requirements.bzl", "requirement")
 load("//python:defs.bzl", "py_test")
 
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
 py_test(
     name = "version_test",
     srcs = ["version_test.py"],

experimental/examples/wheel/BUILD

@@ -11,13 +11,14 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache 2.0
 
 load("//experimental/python:wheel.bzl", "py_package", "py_wheel")
 load("//python:defs.bzl", "py_library", "py_test")
 
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
 py_library(
     name = "main",
     srcs = ["main.py"],

experimental/examples/wheel/lib/BUILD

@@ -11,12 +11,13 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
+load("//python:defs.bzl", "py_library")
+
 package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])  # Apache 2.0
 
-load("//python:defs.bzl", "py_library")
-
 py_library(
     name = "simple_module",
     srcs = ["simple_module.py"],

experimental/python/wheel.bzl

@@ -69,6 +69,7 @@ belong to given set of Python packages.
 This rule is intended to be used as data dependency to py_wheel rule
 """,
     attrs = {
+        "deps": attr.label_list(),
         "packages": attr.string_list(
             mandatory = False,
             allow_empty = True,
@@ -77,7 +78,6 @@ List of Python packages to include in the distribution.
 Sub-packages are automatically included.
 """,
         ),
-        "deps": attr.label_list(),
     },
 )
 

packaging/BUILD

@@ -12,12 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-licenses(["notice"])  # Apache 2.0
-
 load("@piptool_deps//:requirements.bzl", "requirement")
 load("@subpar//:subpar.bzl", "par_binary")
 load("//python:defs.bzl", "py_library", "py_test")
 
+licenses(["notice"])  # Apache 2.0
+
 py_library(
     name = "whl",
     srcs = ["whl.py"],