__init__.py 文件源码

def split(self, text):
        a = _string_to_array(text)
        if not a.size:
            return []
        b = np.copy(a)
        b[b == ord(' ')] = 0
        if self.margin != (1, 1):
            # Dilate the image
            structure = np.zeros((2 * (self.margin[1] - 1) + 1,
                                  2 * (self.margin[0] - 1) + 1))
            structure[self.margin[1] - 1:, self.margin[0] - 1:] = 1
            labels = binary_dilation(b, structure=structure).astype(b.dtype)
        else:
            labels = b
        num = label(labels, structure=np.ones((3, 3)), output=labels)
        objects = find_objects(labels)
        parts = []
        for i, obj in enumerate(objects):
            mask = labels[obj] != i + 1
            region = np.copy(a[obj])
            region[mask] = ord(' ')
            part = '\n'.join(''.join(unichr(c or ord(' ')) for c in row)
                             for row in region.tolist())
            if part.strip():
                parts.append(part)
        return parts