Add initial Python Repository config (#899)

plugins/community/danielgtaylor-betterproto/v1.2.5/buf.plugin.yaml

@@ -7,3 +7,11 @@ spdx_license_id: MIT
 license_url: https://github.com/danielgtaylor/python-betterproto/blob/v1.2.5/setup.py#L12
 output_languages:
   - python
+registry:
+  python:
+    package_type: "runtime"
+    # https://github.com/danielgtaylor/python-betterproto/blob/v1.2.5/setup.py#L20
+    requires_python: ">=3.6"
+    # https://github.com/danielgtaylor/python-betterproto/tree/v1.2.5#installation--getting-started
+    deps:
+      - "betterproto"

plugins/community/nipunn1313-mypy-grpc/v3.5.0/buf.plugin.yaml

@@ -7,3 +7,20 @@ spdx_license_id: Apache-2.0
 license_url: https://github.com/nipunn1313/mypy-protobuf/blob/v3.5.0/LICENSE
 output_languages:
   - python
+registry:
+  python:
+    package_type: "stub-only"
+    # https://github.com/nipunn1313/mypy-protobuf/blob/v3.5.0/setup.cfg#L20
+    requires_python: ">=3.8"
+    deps:
+      # https://github.com/nipunn1313/mypy-protobuf/tree/v3.5.0#requirements-to-run-typecheckers-on-stubs-generated-by-mypy-protobuf
+      # > Earlier releases might work, but aren't tested.
+      - "types-protobuf >= 4.23.0.2"
+      - "protobuf >= 4.23.4"
+      # https://github.com/nipunn1313/mypy-protobuf/tree/v3.5.0#to-run-typecheckers-on-code-generated-with-grpc-plugin---youll-additionally-need
+      # > Earlier releases might work, but aren't tested
+      - "grpcio >= 1.56.2"
+      # https://pypi.org/project/grpcio-tools/
+      - "grpcio-tools >= 1.56.2"
+      # https://pypi.org/project/grpc-stubs/
+      - "grpc-stubs >= 1.53.0.2"

plugins/community/nipunn1313-mypy/v3.5.0/buf.plugin.yaml

@@ -7,3 +7,13 @@ spdx_license_id: Apache-2.0
 license_url: https://github.com/nipunn1313/mypy-protobuf/blob/v3.5.0/LICENSE
 output_languages:
   - python
+registry:
+  python:
+    package_type: "stub-only"
+    # https://github.com/nipunn1313/mypy-protobuf/blob/v3.5.0/setup.cfg#L20
+    requires_python: ">=3.8"
+    deps:
+      # https://github.com/nipunn1313/mypy-protobuf/tree/v3.5.0#requirements-to-run-typecheckers-on-stubs-generated-by-mypy-protobuf
+      # > Earlier releases might work, but aren't tested.
+      - "types-protobuf >= 4.23.0.2"
+      - "protobuf >= 4.23.4"

plugins/grpc/python/v1.59.1/buf.plugin.yaml

@@ -9,3 +9,11 @@ output_languages:
   - python
 spdx_license_id: Apache-2.0
 license_url: https://github.com/grpc/grpc/blob/v1.59.1/LICENSE
+registry:
+  python:
+    package_type: "runtime"
+    # https://github.com/grpc/grpc/tree/v1.59.1/src/python/grpcio#supported-python-versions
+    requires_python: ">=3.7"
+    deps:
+      # https://pypi.org/project/grpcio/
+      - "grpcio"

plugins/protocolbuffers/pyi/v25.0/buf.plugin.yaml

@@ -7,3 +7,12 @@ output_languages:
   - python
 spdx_license_id: BSD-3-Clause
 license_url: https://github.com/protocolbuffers/protobuf/blob/v25.0/LICENSE
+registry:
+  python:
+    package_type: "stub-only"
+    # https://github.com/protocolbuffers/protobuf/blob/v25.0/python/setup.py#L434
+    requires_python: ">=3.8"
+    deps:
+      # https://pypi.org/project/protobuf/
+      - "protobuf"
+      - "types-protobuf"

plugins/protocolbuffers/python/v25.0/buf.plugin.yaml

@@ -7,3 +7,11 @@ output_languages:
   - python
 spdx_license_id: BSD-3-Clause
 license_url: https://github.com/protocolbuffers/protobuf/blob/v25.0/LICENSE
+registry:
+  python:
+    package_type: "runtime"
+    # https://github.com/protocolbuffers/protobuf/blob/v25.0/python/setup.py#L434
+    requires_python: ">=3.8"
+    deps:
+      # https://pypi.org/project/protobuf/
+      - "protobuf"