Angle of page rotation can be determined with c wrapper function.

Samo Penic

2019-06-11 5d557801d61beb4970ffc4c62ba81cd0cd76db68

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from ctypes import *
 
extcode=CDLL('libsizifhelpers.so')
 
 
def get_scan_angle(filename):
    extcode.get_scan_angle.argtype=[c_char_p]
    extcode.get_scan_angle.restype=c_float
    return(extcode.get_scan_angle(filename.encode('ascii')))
 
 
if __name__ == "__main__":
    import sys
    print("Image is rotated by degrees: "+ str(get_scan_angle(sys.argv[1])))