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hlrc / client / python / hlrc_client / Middleware.py @ 909e9261

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"""
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This file is part of hlrc
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Copyright(c) sschulz <AT> techfak.uni-bielefeld.de
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http://opensource.cit-ec.de/projects/hlrc
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This file may be licensed under the terms of the
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GNU General Public License Version 3 (the ``GPL''),
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or (at your option) any later version.
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Software distributed under the License is distributed
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on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
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express or implied. See the GPL for the specific language
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governing rights and limitations.
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You should have received a copy of the GPL along with this
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program. If not, go to http://www.gnu.org/licenses/gpl.html
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or write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The development of this software was supported by the
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Excellence Cluster EXC 277 Cognitive Interaction Technology.
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The Excellence Cluster EXC 277 is a grant of the Deutsche
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Forschungsgemeinschaft (DFG) in the context of the German
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Excellence Initiative.
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"""
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import sys
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import logging
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from .RobotEmotion import *
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from .RobotGaze import *
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from .RobotMouth import *
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from .RobotAnimation import *
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class Middleware:
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    #######################################################################
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    def __init__(self, scope, loglevel=logging.WARNING):
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        """initialise
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        :param scope: base scope we want to listen on
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        """
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        self.base_scope = scope
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        self.logger = logging.getLogger(__name__)
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        # create nice and actually usable formatter and add it to the handler
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        self.config_logger(loglevel)
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        #initialise defaults
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        self.default_emotion = RobotEmotion()
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        self.current_emotion = RobotEmotion()
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        self.gaze_target = RobotGaze()
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        self.mouth_target = RobotMouth()
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        self.robot_animation = RobotAnimation()
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    def __del__(self):
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        """destructor
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        """
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        self.logger.debug("destructor of Middleware called")
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    def config_logger(self, level):
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        formatter = logging.Formatter('%(asctime)s %(name)-30s %(levelname)-8s > %(message)s')
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        ch = logging.StreamHandler()
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        #ch.setLevel(level)
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        ch.setFormatter(formatter)
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        self.logger.setLevel(level)
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        self.logger.addHandler(ch)
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    #######################################################################
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    #abstract/virtual functions
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    def die_virtual(self, funcname):
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        raise NotImplementedError(funcname + "() is virtual, must be overwritten")
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    def is_running(self):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def init_middleware(self):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_default_emotion(self, emotion, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_current_emotion(self, emotion, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_gaze_target(self, gaze, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_lookat_target(self, x, y, z, blocking, frame_id, roll):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_mouth_target(self, mouth, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_head_animation(self, animation, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    def publish_speech(self, text, blocking):
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        self.die_virtual(sys._getframe().f_code.co_name)
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    #######################################################################
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    #finally some implemented functions
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    def set_default_emotion(self, emotion, blocking):
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        """set the default emotion
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        :param emotion: RobotEmotion to set
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.default_emotion = emotion
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        self.publish_default_emotion(emotion, blocking)
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    def set_current_emotion(self, emotion, blocking):
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        """set a temporary emotion (duration: see emotion.time_ms)
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        :param emotion: RobotEmotion to set temporarily
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.current_emotion = emotion
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        self.publish_current_emotion(emotion, blocking)
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    def set_head_animation(self, animation, blocking):
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        """trigger a head animation
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        :param animation: RobotAnimation to set
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.animation = animation
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        self.publish_head_animation(animation, blocking)
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    def set_mouth_target(self, mouth, blocking):
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        """set a mouth target
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        :param mouth: RobotMouth to set
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.mouth_target = mouth
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        self.publish_mouth_target(mouth, blocking)
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    def set_speak(self, text, blocking):
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        """trigger a tts speech output
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        :param text: text to synthesize and speak
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.publish_speech(text, blocking)
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    def set_gaze_target(self, gaze, blocking):
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        """set a new gaze
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        :param gaze: RobotGaze to set
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.gaze_target = gaze
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        self.publish_gaze_target(gaze, blocking)
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    def set_lookat_target(self, x, y, z, blocking=False, frame_id='', roll=0.0):
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        """set a gaze at a Cartesian position
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        :param x,y,z: position to look at (in eyes frame or frame_id)
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        :param roll: side-ways motion of head
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        :param blocking: True if this call should block until execution finished on robot
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        """
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        self.publish_lookat_target(x, y, z, blocking, frame_id, roll)
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    #######################################################################
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    #some get methods
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    #def get_current_emotion(self):
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    #       return self.current_emotion
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    #
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    #def get_default_emotion(self):
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    #       return self.default_emotion
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    #