ECC-1972: support for Windows binary wheel

scripts/build-windows.sh

@@ -97,6 +97,8 @@ cmake --build build-binaries/eccodes --target install
 # Create wheel
 
 rm -fr dist wheelhouse eccodes/share
+python scripts/copy-dlls.py install/bin/eccodes.dll eccodes/
+
 pip install -r scripts/requirements.txt
 find eccodes -name '*.dll' > libs
 cat libs

scripts/copy-dlls.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+#
+# (C) Copyright 2024- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation nor
+# does it submit to any jurisdiction.
+#
+
+import os
+import shutil
+import sys
+
+from dlldiag.common import ModuleHeader
+
+VCPKG1 = "C:/vcpkg/installed/{}-windows/bin/{}"
+VCPKG2 = "C:/vcpkg/installed/{}-windows/debug/bin/{}"
+
+
+def scan_module(module, depth, seen):
+    name = os.path.basename(module)
+
+    if name in seen:
+        return
+
+    if not os.path.exists(module):
+        return
+
+    print(" " * depth, module)
+    seen[name] = module
+
+    header = ModuleHeader(module)
+    cwd = os.path.dirname(module)
+    architecture = header.getArchitecture()
+    for dll in header.listAllImports():
+        # print("DEBUG", dll)
+        scan_module((cwd + "/" + dll), depth + 3, seen)
+        scan_module(VCPKG1.format(architecture, dll), depth + 3, seen)
+        scan_module(VCPKG2.format(architecture, dll), depth + 3, seen)
+
+
+seen = {}
+scan_module(sys.argv[1], 0, seen)
+
+for k, v in seen.items():
+    target = sys.argv[2] + "/" + k
+    print("Copy", v, "to", target)
+    shutil.copyfile(v, target)

scripts/wheel-windows.sh

@@ -17,4 +17,3 @@ python setup.py bdist_wheel
 mv dist wheelhouse
 
 ls -l wheelhouse
-ls -l wheelhouse/dist