def setup_keyring(keyring_name):
    '''Setup the keyring'''
    keyring_path = os.path.join("test", "outputdata", keyring_name)
    # Delete the entire keyring
    shutil.rmtree(keyring_path, ignore_errors=True)
    os.makedirs(keyring_path)
    gpg = GPG(gnupghome=keyring_path, gpgbinary="gpg")
    for key_name in ["key1_private", "key1_public"]:
        with open(os.path.join("test", "inputdata", key_name + ".txt"), "r") as keyfile:
            key_str = "".join(keyfile.readlines())
        import_result = gpg.import_keys(key_str)
        print("Import result:", type(import_result))
        print(import_result.__dict__)
        if import_result.count == 1 and len(set(import_result.fingerprints)) == 1:
            print("Got one import result")
    return gpg
def label_line(ax, X, Y, U, V, label, color='k', size=8):
        """Add a label to a line, at the proper angle.

        Arguments
        ---------
        line : matplotlib.lines.Line2D object,
        label : str
        x : float
        x-position to place center of text (in data coordinated
        y : float
        y-position to place center of text (in data coordinates)
        color : str
        size : float
        """

        x1, x2 = X, X + U
        y1, y2 = Y, Y + V

        if y2 == 0:
            y2 = y1
        if x2 == 0:
            x2 = x1

        x = (x1 + x2) / 2
        y = (y1 + y2) / 2

        slope_degrees = np.rad2deg(np.angle(U + V * 1j))
        if slope_degrees < 0:
            slope_degrees += 180
        if 90 < slope_degrees <= 270:
            slope_degrees += 180

        x_offset = np.sin(np.deg2rad(slope_degrees))
        y_offset = np.cos(np.deg2rad(slope_degrees))
        bbox_props = dict(boxstyle="Round4, pad=0.1", fc="white", lw=0)
        text = ax.annotate(label, xy=(x, y), xytext=(x_offset * 10, y_offset * 8),
                           textcoords='offset points',
                           size=size, color=color,
                           horizontalalignment='center',
                           verticalalignment='center',
                           fontfamily='monospace', fontweight='bold', bbox=bbox_props)

        text.set_rotation(slope_degrees)
        return text