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92 lines
3.3 KiB
92 lines
3.3 KiB
#!/usr/bin/env python3
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from ctypes import *
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import os
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large_image1_path = "../test_images/sample_01_large.jpg".encode(encoding="utf-8")
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medium_image1_path = "../test_images/sample_01_medium.jpg".encode(encoding="utf-8")
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small_image1_path = "../test_images/sample_01_small.jpg".encode(encoding="utf-8")
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large_image2_path = "../test_images/sample_02_large.jpg".encode(encoding="utf-8")
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medium_image2_path = "../test_images/sample_02_medium.jpg".encode(encoding="utf-8")
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small_image2_path = "../test_images/sample_02_small.jpg".encode(encoding="utf-8")
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large_image3_path = "../test_images/sample_03_large.jpg".encode(encoding="utf-8")
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medium_image3_path = "../test_images/sample_03_medium.jpg".encode(encoding="utf-8")
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small_image3_path = "../test_images/sample_03_small.jpg".encode(encoding="utf-8")
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large_image4_path = "../test_images/sample_04_large.jpg".encode(encoding="utf-8")
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medium_image4_path = "../test_images/sample_04_medium.jpg".encode(encoding="utf-8")
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small_image4_path = "../test_images/sample_04_small.jpg".encode(encoding="utf-8")
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test_images=[
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large_image1_path, medium_image1_path, small_image1_path,
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large_image2_path, medium_image2_path, small_image2_path,
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large_image3_path, medium_image3_path, small_image3_path,
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large_image4_path, medium_image4_path, small_image4_path
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]
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def unsigned64(number):
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return (number & 0xfffffffffffffffff)
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print("starting ffi test")
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# Load the shared library
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lib = None
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if os.name == 'nt':
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path = os.path.dirname(__file__) + "\\pihash.dll"
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print(path)
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lib = CDLL(path)
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else:
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lib = cdll.LoadLibrary("libpihash.so")
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class PIHashes(Structure):
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_fields_ = [
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("ahash", c_ulonglong),
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("dhash", c_ulonglong),
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("phash", c_ulonglong)]
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# Setting the ctypes return type references for the foreign functions
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# returns a pointer to the library that we'll need to pass to all function calls
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lib.ext_init.restype = c_void_p
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# Returns a longlong hash, takes a pointer and a string
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lib.ext_get_ahash.restype = c_ulonglong
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lib.ext_get_ahash.argtypes = [c_void_p, c_char_p]
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lib.ext_get_dhash.restype = c_ulonglong
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lib.ext_get_dhash.argtypes = [c_void_p, c_char_p]
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lib.ext_get_phash.restype = c_ulonglong
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lib.ext_get_phash.argtypes = [c_void_p, c_char_p]
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lib.ext_get_phashes.restype = c_void_p
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lib.ext_get_phashes.argtypes = [c_void_p, c_char_p]
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lib.ext_free_phashes.argtypes = [c_void_p]
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# Takes a pointer and frees the struct at that memory location
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lib.ext_free.argtypes = [c_void_p]
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#initialize the library
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lib_struct = lib.ext_init("./.hash_cache".encode(encoding="utf-8"))
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#print("Pointer to lib_struct: ", lib_struct)
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# Print the path and the bytes as hex for debugging
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#print(large_image_path)
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#print('\\x'+'\\x'.join('{:02x}'.format(x) for x in large_image_path))
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for image in test_images:
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print("Requesting hashes for: %s"% image)
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phashes = lib.ext_get_phashes(lib_struct, image)
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pihashes = PIHashes.from_address(phashes)
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lib.ext_free_phashes(phashes)
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print("ahash: %i"% unsigned64(pihashes.ahash))
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print("dhash: %i"% unsigned64(pihashes.dhash))
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print("phash: %i"% unsigned64(pihashes.phash))
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# print("ahash: %i"% unsigned64(lib.ext_get_ahash(lib_struct, image)))
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# print("dhash: %i"% unsigned64(lib.ext_get_dhash(lib_struct, image)))
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# print("phash: %i"% unsigned64(lib.ext_get_phash(lib_struct, image)))
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# Do cleanup
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# Makes sure that the heap is cleaned up
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lib.ext_free(lib_struct)
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print("ffi test finished")
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