structure saas with tools

.venv/lib/python3.10/site-packages/proto/marshal/rules/stringy_numbers.py

@@ -0,0 +1,71 @@
+# Copyright (C) 2021  Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+from proto.primitives import ProtoType
+
+
+class StringyNumberRule:
+    """A marshal between certain numeric types and strings
+
+    This is a necessary hack to allow round trip conversion
+    from messages to dicts back to messages.
+
+    See https://github.com/protocolbuffers/protobuf/issues/2679
+    and
+    https://developers.google.com/protocol-buffers/docs/proto3#json
+    for more details.
+    """
+
+    def to_python(self, value, *, absent: bool = None):
+        return value
+
+    def to_proto(self, value):
+        if value is not None:
+            return self._python_type(value)
+
+        return None
+
+
+class Int64Rule(StringyNumberRule):
+    _python_type = int
+    _proto_type = ProtoType.INT64
+
+
+class UInt64Rule(StringyNumberRule):
+    _python_type = int
+    _proto_type = ProtoType.UINT64
+
+
+class SInt64Rule(StringyNumberRule):
+    _python_type = int
+    _proto_type = ProtoType.SINT64
+
+
+class Fixed64Rule(StringyNumberRule):
+    _python_type = int
+    _proto_type = ProtoType.FIXED64
+
+
+class SFixed64Rule(StringyNumberRule):
+    _python_type = int
+    _proto_type = ProtoType.SFIXED64
+
+
+STRINGY_NUMBER_RULES = [
+    Int64Rule,
+    UInt64Rule,
+    SInt64Rule,
+    Fixed64Rule,
+    SFixed64Rule,
+]