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Fixing Windows ffi python example

* Added bat to build Windows i686 and x86_64 libraries
* Added bat file to demonstrate calling the python ffi test
* Updated the python ffi test to load the dll correctly
master
Drew Short 5 years ago
parent
commit
b817e8d30e
  1. 10
      FFI-tests/ffi_test.py
  2. 2
      FFI-tests/run_ffi_test_python.bat
  3. 3
      build_windows_libs.bat

10
FFI-tests/ffi_test.py

@ -1,7 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
from ctypes import * from ctypes import *
from sys import exit, platform
from sys import platform, exit
large_image1_path = "../test_images/sample_01_large.jpg".encode(encoding="utf-8") large_image1_path = "../test_images/sample_01_large.jpg".encode(encoding="utf-8")
medium_image1_path = "../test_images/sample_01_medium.jpg".encode(encoding="utf-8") medium_image1_path = "../test_images/sample_01_medium.jpg".encode(encoding="utf-8")
@ -26,24 +26,24 @@ test_images=[
large_image4_path, medium_image4_path, small_image4_path large_image4_path, medium_image4_path, small_image4_path
] ]
def unsigned64(number): def unsigned64(number):
return (number & 0xfffffffffffffffff) return (number & 0xfffffffffffffffff)
print("starting ffi test") print("starting ffi test")
# Load the shared library # Load the shared library
lib = None lib = None
if platform == 'win32': if platform == 'win32':
path = os.path.dirname(__file__) + "\\pihash.dll"
print(path)
lib = CDLL(path)
lib = cdll.pihash
elif platform == 'darwin': elif platform == 'darwin':
lib = cdll.LoadLibrary("libpihash.dylib") lib = cdll.LoadLibrary("libpihash.dylib")
elif platform == 'linux' or platform == 'linux2': elif platform == 'linux' or platform == 'linux2':
lib = cdll.LoadLibrary("libpihash.so") lib = cdll.LoadLibrary("libpihash.so")
else: else:
print('Unrecognized platform ', platform) print('Unrecognized platform ', platform)
sys.exit(-1)
exit(-1)
class PIHashes(Structure): class PIHashes(Structure):

2
FFI-tests/run_ffi_test_python.bat

@ -0,0 +1,2 @@
SET PATH=%cd%;%PATH%
python ./ffi_test.py

3
build_windows_libs.bat

@ -0,0 +1,3 @@
cargo clean
cargo build --target=i686-pc-windows-msvc --release --lib
cargo build --target=x86_64-pc-windows-msvc --release --lib
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