diff options
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/core/_dtype_ctypes.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/numpy/core/_dtype_ctypes.py b/numpy/core/_dtype_ctypes.py index 708241289..6d7cbb244 100644 --- a/numpy/core/_dtype_ctypes.py +++ b/numpy/core/_dtype_ctypes.py @@ -22,9 +22,10 @@ Unfortunately, this fails because: * PEP3118 cannot represent unions, but both numpy and ctypes can * ctypes cannot handle big-endian structs with PEP3118 (bpo-32780) """ -import _ctypes -import ctypes +# We delay-import ctypes for distributions that do not include it. +# While this module is not used unless the user passes in ctypes +# members, it is eagerly imported from numpy/core/__init__.py. import numpy as np @@ -39,6 +40,7 @@ def _from_ctypes_structure(t): "ctypes bitfields have no dtype equivalent") if hasattr(t, "_pack_"): + import ctypes formats = [] offsets = [] names = [] @@ -79,6 +81,7 @@ def _from_ctypes_scalar(t): def _from_ctypes_union(t): + import ctypes formats = [] offsets = [] names = [] @@ -98,6 +101,7 @@ def dtype_from_ctypes_type(t): """ Construct a dtype object from a ctypes type """ + import _ctypes if issubclass(t, _ctypes.Array): return _from_ctypes_array(t) elif issubclass(t, _ctypes._Pointer): |