Add __contains__ method

Author: davidbrochart

python/pycrdt/array.py

@@ -162,6 +162,9 @@ def __getitem__(self, key: int) -> BaseType:
     def __iter__(self):
         return ArrayIterator(self)
 
+    def __contains__(self, item: Any) -> bool:
+        return item in list(self)
+
     def __str__(self) -> str:
         with self.doc.transaction() as txn:
             return self.integrated.to_json(txn._txn)

python/pycrdt/map.py

@@ -92,6 +92,9 @@ def __setitem__(self, key: str, value: Any) -> None:
     def __iter__(self):
         return self.keys()
 
+    def __contains__(self, item: str) -> bool:
+        return item in self.keys()
+
     def get(self, key: str, default_value: Any | None = None) -> Any | None:
         with self.doc.transaction():
             if key in self.keys():

python/pycrdt/text.py

@@ -37,6 +37,12 @@ def _init(self, value: str | None) -> None:
     def _get_or_insert(self, name: str, doc: Doc) -> _Text:
         return doc._doc.get_or_insert_text(name)
 
+    def __iter__(self):
+        return iter(str(self))
+
+    def __contains__(self, item: Any) -> bool:
+        return item in str(self)
+
     def __len__(self) -> int:
         with self.doc.transaction() as txn:
             return self.integrated.len(txn._txn)