summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--numpy/lib/npyio.py3
-rw-r--r--numpy/lib/npyio.pyi1
2 files changed, 4 insertions, 0 deletions
diff --git a/numpy/lib/npyio.py b/numpy/lib/npyio.py
index f8f2ab7a2..22fb0eb7d 100644
--- a/numpy/lib/npyio.py
+++ b/numpy/lib/npyio.py
@@ -262,6 +262,9 @@ class NpzFile(Mapping):
else:
raise KeyError("%s is not a file in the archive" % key)
+ def __contains__(self, key):
+ return (key in self._files or key in self.files)
+
def __repr__(self):
# Get filename or default to `object`
if isinstance(self.fid, str):
diff --git a/numpy/lib/npyio.pyi b/numpy/lib/npyio.pyi
index 9dd3d6809..cc81e82b7 100644
--- a/numpy/lib/npyio.pyi
+++ b/numpy/lib/npyio.pyi
@@ -98,6 +98,7 @@ class NpzFile(Mapping[str, NDArray[Any]]):
def __iter__(self) -> Iterator[str]: ...
def __len__(self) -> int: ...
def __getitem__(self, key: str) -> NDArray[Any]: ...
+ def __contains__(self, key: str) -> bool: ...
def __repr__(self) -> str: ...
# NOTE: Returns a `NpzFile` if file is a zip file;