示例#1
0
    def test_add_message(self):
        msg_store = MessageStoreProxy()
        POSE_NAME = "__test__pose__"
        p = Pose(Point(0, 1, 2), Quaternion(0, 0, 0, 1))
      
        # insert a pose object with a name
        msg_store.insert_named(POSE_NAME, p)
 
        # get it back with a name
        stored, meta = msg_store.query_named(POSE_NAME, Pose._type)

        self.assertIsInstance(stored, Pose)
        self.assertEqual(stored.position.x, p.position.x)
        self.assertEqual(stored.position.y, p.position.y)
        self.assertEqual(stored.position.z, p.position.z)

        self.assertEqual(stored.orientation.x, p.orientation.x)
        self.assertEqual(stored.orientation.y, p.orientation.y)
        self.assertEqual(stored.orientation.z, p.orientation.z)
        self.assertEqual(stored.orientation.w, p.orientation.w)

        p.position.x = 666

        msg_store.update_named(POSE_NAME, p)

        # get it back with a name
        updated = msg_store.query_named(POSE_NAME, Pose._type)[0]

        self.assertEqual(updated.position.x, p.position.x)

        # # try to get it back with an incorrect name
        wrong_name = "thid name does not exist in the datacentre"
        none_item = msg_store.query_named(wrong_name, Pose._type)[0]
        self.assertIsNone(none_item)

        # # get all non-existant typed objects, so get an empty list back
        none_query = msg_store.query( "not my type")
        self.assertEqual(len(none_query), 0)

        # add 100 query and sort by date inserted.
        for i in range(100):
            p = Pose(Point(0, 0, 0), Quaternion(i, 0, 100, 1))
            msg_store.insert(p)
            
        result = msg_store.query(Pose._type, message_query={ 'orientation.z': {'$gt': 10} }, sort_query=[("$natural", -1)])
        self.assertEqual(len(result), 100)
        self.assertEqual(result[0][0].orientation.x, 99)
        
        # must remove the item or unittest only really valid once
        print meta["_id"]
        print str(meta["_id"])
        deleted = msg_store.delete(str(meta["_id"]))
        self.assertTrue(deleted)
def create_master_task():
    """ 
    Create an example of a task which we'll copy for other tasks later.
    This is a good example of creating a task with a variety of arguments.
    """
    # need message store to pass objects around
    msg_store = MessageStoreProxy()

    # get the pose of a named object
    pose_name = "my favourite pose"

    # get the pose if it's there
    message, meta = msg_store.query_named(pose_name, Pose._type)
    # if it's not there, add it in
    if message == None:
        message = Pose(Point(0, 1, 2), Quaternion(3, 4, 5, 6))
        pose_id = msg_store.insert_named(pose_name, message)
    else:
        pose_id = meta["_id"]

    master_task = Task(action='test_task')
    task_utils.add_string_argument(master_task, 'hello world')
    task_utils.add_object_id_argument(master_task, pose_id, Pose)
    task_utils.add_int_argument(master_task, 24)
    task_utils.add_float_argument(master_task, 63.678)
    return master_task
示例#3
0
文件: mongo.py 项目: zanellar/rocup
class MessageStorage(object):
    def __init__(self):
        Logger.log("Connecting with MongoDB Database...")
        self.msg_store = MessageStoreProxy()
        Logger.log("Connected!")

    def store(self, name, message):
        try:
            return self.msg_store.insert_named(name, message)
        except rospy.ServiceException, e:
            Logger.error(e)
            return None
示例#4
0
def get_scene_and_store_in_db():

    get_scene_service = rospy.ServiceProxy('/get_scene', GetScene)
    result = get_scene_service()

    rospy.loginfo("Response from get_scene service: \n{}".format(result))

    if result.success:

        # clear previous items in scene db and knowledge base
        clear_blocks_from_scene_db()
        clear_locations_from_scene_db()

        clear_service = rospy.ServiceProxy('/rosplan_knowledge_base/clear',
                                           Empty)
        result_clear = clear_service()

        #print "result_clear = "
        #print result_clear

        msg_store = MessageStoreProxy()

        listener = tf.TransformListener()

        for block in result.blocks:
            listener.waitForTransform("table", block.pose.header.frame_id,
                                      rospy.Time(), rospy.Duration(4.0))
            now = rospy.Time.now()
            listener.waitForTransform("table", block.pose.header.frame_id, now,
                                      rospy.Duration(4.0))
            tmp_pose = listener.transformPose("table", block.pose)

            block.pose = tmp_pose

            rospy.loginfo(
                "Storing following block in scene db: \n{}".format(block))

            msg_store.insert_named('block{}'.format(block.id), block)

    return result.success
示例#5
0
def add_location(name, x, y, yaw=0):
    rospy.loginfo(
        "Add location {} in knowledge and scene db at x = {}, y = {}".format(
            name, x, y))
    if not add_instance("location", name):
        return -1

    msg_store = MessageStoreProxy()

    q = quaternion_from_euler(0, 0, yaw)

    p = Pose(Point(x, y, 0), Quaternion(*q))

    location_id = msg_store.insert_named(name, p)

    return location_id
示例#6
0
    def test_replication(self):
        replication_db = "replication_test"
        replication_col = "replication_test"
        # connect to destination for replication
        try:
            self.assertTrue(wait_for_mongo(ns="/datacentre2"), "wait for mongodb server")
            dst_client = import_MongoClient()("localhost", 49163)
            count = dst_client[replication_db][replication_col].count()
            self.assertEqual(count, 0, "No entry in destination")
        except pymongo.errors.ConnectionFailure:
            self.fail("Failed to connect to destination for replication")

        # insert an entry to move
        self.assertTrue(wait_for_mongo(), "wait for mongodb server")
        msg_store = MessageStoreProxy(
            database=replication_db, collection=replication_col)
        msg = Wrench()
        msg_name = "replication test message"
        self.assertIsNotNone(msg_store.insert_named(msg_name, msg), "inserted message")

        # move entries
        rospy.sleep(3)
        retcode = subprocess.check_call([
            get_script_path(),
            '--move-before', '0',
            replication_db, replication_col])
        self.assertEqual(retcode, 0, "replicator_client returns code 0")

        # check if replication was succeeded
        rospy.sleep(3)
        count = dst_client[replication_db][replication_col].count()
        self.assertGreater(count, 0, "entry moved to the destination")

        # test deletion after move
        data, meta = msg_store.query_named(msg_name, Wrench._type)
        self.assertIsNotNone(data, "entry is still in source")
        retcode = subprocess.check_call([
            get_script_path(),
            '--move-before', '0',
            '--delete-after-move',
            replication_db, replication_col])
        self.assertEqual(retcode, 0, "replicator_client returns code 0")
        data, meta = msg_store.query_named("replication test", Wrench._type)
        self.assertIsNone(data, "moved entry is deleted from source")
import roslib
import sys, os
from std_msgs.msg import String, Header, Int32
from mongodb_store.message_store import MessageStoreProxy
# from soma2_msgs.msg import SOMA2Object

if __name__ == "__main__":
    rospy.init_node('query_soma')

    # connecting
    soma_store = MessageStoreProxy(database="message_store",
                                   collection="soma_activity_ids_list")

    if len(sys.argv) > 1:
        for cnt, arg in enumerate(sys.argv):
            if cnt == 0: continue
            # print arg

            print 'Add an object ID to a msg store list: %s ' % arg
            new_obj_id = String(arg)

            # putting something in
            soma_store.insert_named("object id %s" % arg, new_obj_id)

            # # getting it back out
            # id,meta = soma_store.query_named("object id %s" %arg, Int32._type)
            # print scene, meta

    else:
        print "Requires a list of SOMA object IDs to add to a database"
import mongodb_store.util as dc_util
from mongodb_store.message_store import MessageStoreProxy
from geometry_msgs.msg import Pose, Point, Quaternion
import StringIO

if __name__ == '__main__':
    rospy.init_node("example_message_store_client")

    msg_store = MessageStoreProxy()

    p = Pose(Point(0, 1, 2), Quaternion(3, 4, 5, 6))

    try:

        # insert a pose object with a name, store the id from db
        p_id = msg_store.insert_named("my favourite pose", p)

        # you don't need a name (note that this p_id is different than one above)
        p_id = msg_store.insert(p)

        p_id = msg_store.insert(['test1', 'test2'])

        # get it back with a name
        print msg_store.query_named("my favourite pose", Pose._type)

        p.position.x = 666

        # update it with a name
        msg_store.update_named("my favourite pose", p)

        p.position.y = 2020
示例#9
0
class DatabasePusher(object):

    # TF buffer
    tf2_buffer = None

    # Database class
    _msg_store = None

    def __init__(self):

        rospy.init_node('configuration_services')

        # TF
        self.tf2_buffer = tf2_ros.Buffer()
        self.tf2_listener = tf2_ros.TransformListener(self.tf2_buffer)

        # Create database proxy
        self._msg_store = MessageStoreProxy()

        # Create database reload service
        try:
            rospy.wait_for_service('/apps/database/reload', 0.1)
            self._database_service = rospy.ServiceProxy(
                '/apps/database/reload', Empty)
        except Exception as e:
            rospy.logerr('Could not initialize {}'.format(rospy.get_name()))
            rospy.loginfo('Exceptions: {}'.format(e))

            return 0

        # Define the service proxies
        try:
            save_tf_srvs = rospy.Service('tf_capture', CaptureTF,
                                         self._handle_tf_save)
            save_joint_srvs = rospy.Service('joint_capture', CaptureJoint,
                                            self._handle_joint_save)
            save_dmp_srvs = rospy.Service('dmp_capture', CaptureDMP,
                                          self._handle_dmp_save)
        except Exception as e:
            rospy.logerr('Could not initialize {}'.format(rospy.get_name()))
            rospy.loginfo('Exceptions: {}'.format(e))

            return 0

        # Notify the user the node is running
        rospy.loginfo("Hepling hand is running!")

        rospy.spin()

    def _handle_joint_save(self, req):
        try:
            # Display what you are doing
            rospy.loginfo(
                "Storing the provided joint configuration as <{}> into the database ..."
                .format(req.entry_name))

            # Save to DB
            self._save_to_db(req.joints, req.entry_name)

            # Return the success
            return CaptureJointResponse(message='Frame saved', success=True)
        except Exception as e:
            # Handle exceptions
            rospy.logerr(
                "Failed to handle request with exception:\n{}".format(e))
            return CaptureJointResponse(
                message='Failed with exception:\n{}'.format(e), success=False)

    def _handle_pose_save(self, req):
        # Work in progress, not implemented yet
        pass

    def _handle_topic_save(self, req):
        # Work in progress, not implemented yet
        pass

    def _handle_tf_save(self, req):
        try:
            # Retrieve the transformation from the TF buffer
            resulting_frame = self.tf2_buffer.lookup_transform(
                req.from_frame, req.to_frame, rospy.Time())

            # Set the tranformation's ID to the desired one
            resulting_frame.child_frame_id = req.new_frame_name

            # Display what you are doing
            rospy.loginfo(
                "Storing transformation from <{0}> to <{1}> with the new name <{2}> into the database ..."
                .format(req.from_frame, req.to_frame, req.new_frame_name))

            # Save to DB
            self._save_to_db(resulting_frame, req.new_frame_name)

            # Return the success
            return CaptureTFResponse(message='Frame saved', success=True)
        except Exception as e:
            # Handle exceptions
            rospy.logerr(
                "Failed to handle request with exception:\n{}".format(e))
            return CaptureTFResponse(
                message='Failed with exception:\n{}'.format(e), success=False)

    def _handle_dmp_save(self, req):
        try:
            # Display what you are doing
            rospy.loginfo(
                "Storing the provided DMP as <{}> into the database ...".
                format(req.entry_name))

            if len(req.cartesian_dmp.w) == len(req.joint_dmp.w):
                raise Exception(
                    "Either both DMP are provided or none. Not saving.")

            if len(req.joint_dmp.w) != 1:
                self._save_to_db(req.joint_dmp, req.entry_name)

            if len(req.cartesian_dmp.w) != 1:
                self._save_to_db(req.cartesian_dmp, req.entry_name)

            # Return the success
            return CaptureDMPResponse(message='Frame saved', success=True)
        except Exception as e:
            # Handle exceptions
            rospy.logerr(
                "Failed to handle request with exception:\n{}".format(e))
            return CaptureDMPResponse(
                message='Failed with exception:\n{}'.format(e), success=False)

    def _save_to_db(self, entry, name):
        # If you cannot update an existing entry, make a new one
        if not (self._msg_store.update_named(name, entry).success):
            self._msg_store.insert_named(name, entry)
            rospy.loginfo('Entry <{}> inserted !!'.format(name))
        else:
            rospy.loginfo('Entry <{}> updated !!'.format(name))

        # Tell the service to reload all the TFs
        self._database_service()
示例#10
0
class KnowledgeBaseInterface(object):
    '''Defines an interface for interacting with a knowledge base.

    @author Alex Mitrevski
    @contact [email protected]

    '''
    def __init__(self):
        # a client for the /rosplan_knowledge_base/domain/predicates service
        self.predicate_retrieval_client = None

        # a client for the /rosplan_knowledge_base/update service
        self.knowledge_update_client = None

        # a client for the /rosplan_knowledge_base/state/propositions service
        self.attribute_retrieval_client = None

        # a mongodb_store.message_store.MessageStoreProxy instance
        self.msg_store_client = None

        # name of the host robot; value read from the knowledge base
        self.robot_name = ''

        rospy.loginfo(
            '[kb_interface] Creating a domain predicate retrieval client')
        try:
            rospy.wait_for_service('/rosplan_knowledge_base/domain/predicates',
                                   5.)
            self.predicate_retrieval_client = rospy.ServiceProxy(
                '/rosplan_knowledge_base/domain/predicates',
                rosplan_srvs.GetDomainAttributeService)
        except (rospy.ServiceException, rospy.ROSException) as exc:
            rospy.logwarn(
                'The service /rosplan_knowledge_base/domain/predicates does not appear to exist.\n'
                + 'Please spawn rosplan_knowledge_base/knowledgeBase')

        rospy.loginfo('[kb_interface] Creating a knowledge base update client')
        try:
            rospy.wait_for_service('/rosplan_knowledge_base/update', 5.)
            self.knowledge_update_client = rospy.ServiceProxy(
                '/rosplan_knowledge_base/update',
                rosplan_srvs.KnowledgeUpdateService)
        except (rospy.ServiceException, rospy.ROSException) as exc:
            rospy.logwarn(
                'The service /rosplan_knowledge_base/state/propositions does not appear to exist.\n'
                + 'Please spawn rosplan_knowledge_base/knowledgeBase')

        rospy.loginfo('[kb_interface] Creating a knowledge base query client')
        try:
            rospy.wait_for_service(
                '/rosplan_knowledge_base/state/propositions', 5.)
            self.attribute_retrieval_client = rospy.ServiceProxy(
                '/rosplan_knowledge_base/state/propositions',
                rosplan_srvs.GetAttributeService)
            request = rosplan_srvs.GetAttributeServiceRequest()
            request.predicate_name = 'robot_name'
            result = self.attribute_retrieval_client(request)
            for item in result.attributes:
                for param in item.values:
                    if param.key == 'bot':
                        self.robot_name = param.value
                        break
                break
        except (rospy.ServiceException, rospy.ROSException) as exc:
            rospy.logwarn(
                'The service /rosplan_knowledge_base/state/propositions does not appear to exist.\n'
                + 'Please spawn rosplan_knowledge_base/knowledgeBase')

        rospy.loginfo('[kb_interface] Creating a message store client')
        try:
            self.msg_store_client = MessageStoreProxy()
        except:
            print('Could not create a mongodb_store proxy.\n' +
                  'Please spawn mongodb_store/message_store_node.py')

    ############################################################################
    #--------------------------- Symbolic knowledge ---------------------------#
    ############################################################################
    def get_predicate_names(self):
        '''Returns a list with the names of all predicates in the domain.
        '''
        request = rosplan_srvs.GetDomainAttributeServiceRequest()
        result = self.predicate_retrieval_client(request)
        predicate_names = [p.name for p in result.items]
        return predicate_names

    def get_all_attributes(self, predicate_name):
        '''Returns a list of all instances of the given predicate in the knowledge base.

        @param predicate_name -- string representing the name of a predicate

        '''
        request = rosplan_srvs.GetAttributeServiceRequest()
        request.predicate_name = predicate_name
        result = self.attribute_retrieval_client(request)
        return result.attributes

    def update_kb(self, facts_to_add, facts_to_remove):
        '''Updates the knowledge base by adding and removing the facts
        from the given lists. In both input lists, each entry is a tuple of the form
        (predicate, [(variable, value), ...]), where "predicate" is the predicate name
        and the (variable, value) tuples are the variable values.

        Keyword arguments:
        @param facts_to_add -- a list of facts to add to the knowledge base
        @param facts_to_remove -- a list of facts to remove from the knowledge base

        '''
        rospy.loginfo('[kb_interface] Inserting facts into the knowledge base')
        self.insert_facts(facts_to_add)

        rospy.loginfo('[kb_interface] Removing facts from the knowledge base')
        self.remove_facts(facts_to_remove)

    def insert_facts(self, fact_list):
        '''Inserts the facts in the given list into the knowledge base.

        Keyword arguments:
        @param fact_list -- a list in which each entry is a tuple of the form
                            (predicate, [(variable, value), ...]), where
                            "predicate" is the predicate name and the
                            (variable, value) tuples are the variable values

        '''
        self.__update_kb(KnowledgeUpdateTypes.INSERT, fact_list)

    def remove_facts(self, fact_list):
        '''Removes the facts in the given list from the knowledge base.

        Keyword arguments:
        @param fact_list -- a list in which each entry is a tuple of the form
                            (predicate, [(variable, value), ...]), where
                            "predicate" is the predicate name and the
                            (variable, value) tuples are the variable values

        '''
        self.__update_kb(KnowledgeUpdateTypes.REMOVE, fact_list)

    def insert_goals(self, goal_list):
        '''Inserts the goals in the given list into the knowledge base.

        Keyword arguments:
        @param goal_list -- a list in which each entry is a tuple of the form
                            (predicate, [(variable, value), ...]), where
                            "predicate" is the predicate name and the
                            (variable, value) tuples are the variable values

        '''
        self.__update_kb(KnowledgeUpdateTypes.INSERT_GOAL, goal_list)

    def remove_goals(self, goal_list):
        '''Removes the goals in the given list from the knowledge base.

        Keyword arguments:
        @param goal_list -- a list in which each entry is a tuple of the form
                            (predicate, [(variable, value), ...]), where
                            "predicate" is the predicate name and the
                            (variable, value) tuples are the variable values

        '''
        self.__update_kb(KnowledgeUpdateTypes.REMOVE_GOAL, goal_list)

    def __update_kb(self, update_type, fact_list):
        '''Updates the knowledge base with the facts in the given list.

        Keyword arguments:
        @param update_type -- a KnowledgeUpdateTypes constant describing the update type
                              (add or remove facts)
        @param fact_list -- a list in which each entry is a tuple of the form
                            (predicate, [(variable, value), ...]), where
                            "predicate" is the predicate name and the
                            (variable, value) tuples are the variable values

        '''
        try:
            for predicate, var_data in fact_list:
                # we set up the knowledge update request with the given attribute data
                request = rosplan_srvs.KnowledgeUpdateServiceRequest()
                request.update_type = update_type
                request.knowledge.knowledge_type = 1
                request.knowledge.attribute_name = predicate
                for var_name, var_value in var_data:
                    arg_msg = diag_msgs.KeyValue()
                    arg_msg.key = var_name
                    arg_msg.value = var_value
                    request.knowledge.values.append(arg_msg)

                # we modify the fact into the knowledge base
                self.knowledge_update_client(request)
        except Exception as exc:
            rospy.logerr('[kb_interface] %s', str(exc))
            raise KBException('The knowledge base could not be updated')

    ############################################################################
    #------------------------------ Data storage ------------------------------#
    ############################################################################
    def insert_objects(self, object_list):
        '''Inserts the objects in the given list into the knowledge base.

        Keyword arguments:
        @param object_list -- a list of (obj_name, obj) tuples

        '''
        for obj_name, obj in object_list:
            self.msg_store_client.insert_named(obj_name, obj)

    def insert_obj_instance(self, obj_name, obj):
        '''Inserts a named object instance into the knowledge base.

        Keyword arguments:
        @param obj_name -- name of the object instance
        @param obj -- object to insert

        '''
        self.msg_store_client.insert_named(obj_name, obj)

    def update_objects(self, object_list):
        '''Updates the knowledge about the objects in the given list.

        Keyword arguments:
        @param object_list -- a list of (obj_name, obj) tuples

        '''
        for obj_name, obj in object_list:
            self.msg_store_client.update_named(obj_name, obj)

    def update_obj_instance(self, obj_name, obj):
        '''Updates the knowledge about the given named object.

        Keyword arguments:
        @param obj_name -- name of the object instance
        @param obj -- object to insert

        '''
        self.msg_store_client.update_named(obj_name, obj)

    def remove_objects(self, object_list):
        '''Removes the objects in the given list from the knowledge base.

        Keyword arguments:
        @param object_list -- a list of (obj_name, obj_type) tuples

        '''
        for obj_name, obj_type in object_list:
            self.msg_store_client.delete_named(obj_name, obj_type)

    def remove_obj_instance(self, obj_name, obj_type):
        '''Removes a named object instance from the knowledge base.

        Keyword arguments:
        @param obj_name -- name of the object instance
        @param obj_type -- instance type (the value of the object's "_type" field)

        '''
        self.msg_store_client.delete_named(obj_name, obj_type)

    def get_objects(self, object_names, obj_type):
        '''Returns a list of named object instances from the knowledge base.

        @param object_names -- a list of strings representing object names
        @param obj_type -- type of the objects to be retrieved

        '''
        objects = list()
        for obj_name in object_names:
            obj = self.get_obj_instance(obj_name, obj_type)
            if obj is not None:
                objects.append(obj)
        return objects

    def get_obj_instance(self, obj_name, obj_type):
        '''Retrieves a named object instance from the knowledge base.

        Keyword arguments:
        @param obj_name -- name of the object instance
        @param obj_type -- instance type (the value of the object's "_type" field)

        '''
        try:
            obj = self.msg_store_client.query_named(obj_name, obj_type)[0]
            return obj
        except:
            rospy.logerr('[kb_interface] Error retriving knowledge about %s',
                         obj_name)
            return None
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import rospy
from mongodb_store.message_store import MessageStoreProxy
from geometry_msgs.msg import Pose, Point, Quaternion

if __name__ == '__main__':
    rospy.init_node("mongo_pose_write")

    msg_store = MessageStoreProxy(database="srs", collection="pose1")
    p = Pose(Point(0, 1, 2), Quaternion(0, 0, 0, 1))

    try:
        p_id = msg_store.insert_named("named_pose", p)
        p_id = msg_store.insert(p)

    except rospy.ServiceException, e:
        print "Service call failed: %s"%e
    def test_add_message(self):
        msg_store = MessageStoreProxy()
        POSE_NAME = "__test__pose__"
        p = Pose(Point(0, 1, 2), Quaternion(0, 0, 0, 1))

        # insert a pose object with a name
        msg_store.insert_named(POSE_NAME, p)

        # get it back with a name
        stored, meta = msg_store.query_named(POSE_NAME, Pose._type)

        self.assertIsInstance(stored, Pose)
        self.assertEqual(stored.position.x, p.position.x)
        self.assertEqual(stored.position.y, p.position.y)
        self.assertEqual(stored.position.z, p.position.z)

        self.assertEqual(stored.orientation.x, p.orientation.x)
        self.assertEqual(stored.orientation.y, p.orientation.y)
        self.assertEqual(stored.orientation.z, p.orientation.z)
        self.assertEqual(stored.orientation.w, p.orientation.w)

        p.position.x = 666

        msg_store.update_named(POSE_NAME, p)

        # get it back with a name
        updated = msg_store.query_named(POSE_NAME, Pose._type)[0]

        self.assertEqual(updated.position.x, p.position.x)

        # # try to get it back with an incorrect name
        wrong_name = "thid name does not exist in the datacentre"
        none_item = msg_store.query_named(wrong_name, Pose._type)[0]
        self.assertIsNone(none_item)

        # # get all non-existant typed objects, so get an empty list back
        none_query = msg_store.query("not my type")
        self.assertEqual(len(none_query), 0)

        # add 100 query and sort by date inserted.
        for i in range(100):
            p = Pose(Point(0, 0, 0), Quaternion(i, 0, 100, 1))
            msg_store.insert(p)

        result = msg_store.query(Pose._type,
                                 message_query={'orientation.z': {
                                     '$gt': 10
                                 }},
                                 sort_query=[("$natural", -1)])
        self.assertEqual(len(result), 100)
        self.assertEqual(result[0][0].orientation.x, 99)

        # get documents with limit
        result_limited = msg_store.query(
            Pose._type,
            message_query={'orientation.z': {
                '$gt': 10
            }},
            sort_query=[("$natural", 1)],
            limit=10)
        self.assertEqual(len(result_limited), 10)
        self.assertListEqual(
            [int(doc[0].orientation.x) for doc in result_limited], range(10))

        #get documents without "orientation" field
        result_no_id = msg_store.query(Pose._type,
                                       message_query={},
                                       projection_query={"orientation": 0})
        for doc in result_no_id:
            self.assertEqual(int(doc[0].orientation.z), 0)

        # must remove the item or unittest only really valid once
        print meta["_id"]
        print str(meta["_id"])
        deleted = msg_store.delete(str(meta["_id"]))
        self.assertTrue(deleted)
import StringIO


if __name__ == '__main__':
    rospy.init_node("example_message_store_client")


    msg_store = MessageStoreProxy()

    p = Pose(Point(0, 1, 2), Quaternion(3, 4,  5, 6))
  
    try:


        # insert a pose object with a name, store the id from db
        p_id = msg_store.insert_named("my favourite pose", p)
 
        # you don't need a name (note that this p_id is different than one above)
        p_id = msg_store.insert(p)

        p_id = msg_store.insert(['test1', 'test2'])         

        # get it back with a name
        print msg_store.query_named("my favourite pose", Pose._type)

        p.position.x = 666

        # update it with a name
        msg_store.update_named("my favourite pose", p)

        p.position.y = 2020
class InitialViewEvaluationCore():
    def __init__(self):
        rospy.init_node('initial_surface_view_evaluation_actionserver', anonymous = False)
        rospy.loginfo("VIEW EVAL: waiting for services")
        self.conv_octomap = rospy.ServiceProxy('/surface_based_object_learning/convert_pcd_to_octomap',ConvertCloudToOctomap)
        self.get_normals = rospy.ServiceProxy('/surface_based_object_learning/extract_normals_from_octomap',ExtractNormalsFromOctomap)
        self.get_obs = rospy.ServiceProxy('/semantic_map_publisher/SemanticMapPublisher/ObservationService',ObservationService)
        self.roi_srv = rospy.ServiceProxy('/check_point_set_in_soma_roi',PointSetInROI)
        self.closest_roi_srv = rospy.ServiceProxy('/get_closest_roi_to_robot',GetROIClosestToRobot)
        #self.overlap_srv = rospy.ServiceProxy('/surface_based_object_learning/calculate_octree_overlap',CalculateOctreeOverlap)
        rospy.loginfo("VIEW EVAL: done")

        self.pc_topic = "/head_xtion/depth_registered/points"
        #self.pc_topic = "/head"

        self.rgb_topic = "/head_xtion/rgb/image_color"

        self.ptu_gazer_controller = PTUGazeController()
        self.marker_publisher = rospy.Publisher("/initial_surface_view_evaluation/centroid", Marker,queue_size=5)
        self.min_z_cutoff = 0.7
        self.max_z_cutoff = 1.7
        self.obs_resolution = 0.03
        self.initial_view_store = MessageStoreProxy(database="initial_surface_views", collection="logged_views")
        self.segmentation = SegmentationWrapper()
        self.transformation_store = TransformListener()
        rospy.sleep(2)
        self.action_server = actionlib.SimpleActionServer("/surface_based_object_learning/evaluate_surface", EvaluateSurfaceAction,
        execute_cb=self.do_task_cb, auto_start = False)
        self.action_server.start()
        rospy.loginfo("VIEW EVAL: action server set up")
        rospy.spin()


    def log_task(self,data):
        rospy.loginfo("VIEW EVAL: logging initial view")
        waypoint,filtered_octomap,normals,segmented_objects_octomap,sweep_imgs = data
        lv = LoggedInitialView()
        lv.timestamp = int(rospy.Time.now().to_sec())
        lv.meta_data = "{}"
        lv.id = str(uuid.uuid4())
        lv.waypoint = waypoint
        #lv.metaroom_filtered_cloud = filtered_cloud
        lv.metaroom_filtered_octomap = filtered_octomap
        lv.up_facing_points = normals
        lv.segmented_objects_octomap = segmented_objects_octomap
        #lv.sweep_clouds = sweep_clouds
        lv.sweep_imgs = sweep_imgs
        self.initial_view_store.insert_named(lv.id,lv)
        rospy.loginfo("VIEW EVAL: done")

    def do_task_cb(self,action):
        octo = self.do_task(action.waypoint_id)
        re =  initial_surface_view_evaluation.msg.EvaluateSurfaceResult(octomap=octo)
        self.action_server.set_succeeded(re)

    def do_task(self,waypoint):
        try:
            rospy.loginfo("VIEW EVAL: -- Executing initial view evaluation task at waypoint: " + waypoint)
            obs = self.get_filtered_obs_from_wp(waypoint)
            octo_obs = self.convert_cloud_to_octomap([obs])
            normals = self.get_normals_from_octomap(octo_obs)

            rospy.loginfo("VIEW EVAL: got: " + str(len(normals)) + " up-facing normal points")
            sx = 0
            sy = 0
            sz = 0
            for k in normals:
                sx+=k.x
                sy+=k.y
                sz+=k.z
            sx/=len(normals)
            sy/=len(normals)
            sz/=len(normals)
            centroid = [sx,sy,sz]
            print("centroid: " + str(centroid))
            centroid_marker = Marker()
            centroid_marker.header.frame_id = "/map"
            centroid_marker.type = Marker.SPHERE
            centroid_marker.header.stamp = rospy.Time.now()
            centroid_marker.pose.position.x = sx
            centroid_marker.pose.position.y = sy
            centroid_marker.pose.position.z = sz
            centroid_marker.scale.x = 0.1
            centroid_marker.scale.y = 0.1
            centroid_marker.scale.z = 0.1
            centroid_marker.color.a = 1.0
            centroid_marker.color.r = 1.0
            centroid_marker.color.g = 0.0
            centroid_marker.color.b = 0.0
            self.marker_publisher.publish(centroid_marker)
            fp = []
            for p in normals:
                fp.append([p.x,p.y,p.z,255])
            n_cloud = pc2.create_cloud(obs.header, obs.fields, fp)
            #python_pcd.write_pcd("nrmls.pcd",n_cloud,overwrite=True)

            pt_s = PointStamped()
            pt_s.header.frame_id = "/map"
            # behind robot
            pt_s.point.x = sx
            pt_s.point.y = sy
            pt_s.point.z = sz
            segmented_clouds,sweep_clouds,sweep_imgs = self.do_view_sweep_from_point(pt_s)
            roi_filtered_objects = self.get_filtered_roi_cloud(segmented_clouds)
            object_octomap = self.convert_cloud_to_octomap([roi_filtered_objects])
            #object_octomap.header = "/map"
            # waypoint,filtered_cloud,filtered_octomap,normals,segmented_objects_octomap,sweep_clouds,sweep_imgs
            self.log_task([waypoint,octo_obs,n_cloud,object_octomap,sweep_imgs])
            return object_octomap
        except Exception,e:
            rospy.logerr(e)
            rospy.sleep(1)
            self.ptu_gazer_controller.reset_gaze()
            rospy.sleep(1)
            rospy.logerr("PTU has been reset")
import sys, os
from std_msgs.msg import String, Header, Int32
from mongodb_store.message_store import MessageStoreProxy
# from soma2_msgs.msg import SOMA2Object



if __name__ == "__main__":
    rospy.init_node('query_soma')

    # connecting
    soma_store = MessageStoreProxy(database="message_store", collection="soma_activity_ids_list")

    if len(sys.argv) > 1:
        for cnt, arg in enumerate(sys.argv):
            if cnt ==0: continue
            # print arg

            print 'Add an object ID to a msg store list: %s ' %arg
            new_obj_id = Int32(int(arg))

            # putting something in
            soma_store.insert_named("object id %s" %arg, new_obj_id)

            # # getting it back out
            # id,meta = soma_store.query_named("object id %s" %arg, Int32._type)
            # print scene, meta

    else:
        print "Requires a list of SOMA2 object IDs to add to a database"
示例#16
0
class Navigator():
    def __init__(self):
        print("Started init (Navigator)")
        #Latched position topic for keeping web up to date.
        self.Latched_Positions = rospy.Publisher(
            "/web_navigation/latched_position_names",
            NameList,
            latch=True,
            queue_size=1)

        self.last_recieved_position = None
        #Keeps track of last known position
        self.sub = rospy.Subscriber("amcl_pose", PoseWithCovarianceStamped,
                                    self.last_position_callback)
        #ActionClient for publishing navigation targets
        self.goal_client = actionlib.SimpleActionClient(
            'move_base', MoveBaseAction)
        #Free to change rws_nav_position to whatever
        self.Mongo_Storer = MessageStoreProxy(database='rws_nav_positions',
                                              collection='web_positions')
        self.update_web()

    def last_position_callback(self, data):
        self.last_recieved_position = data

    def display_current_position(self):
        print(self.last_recieved_position)

    #Makes a PoseStamped with x, y, and w.
    def make_PoseStamped_xy(self, x, y, w=1.0):
        """Makes a PoseStamped with position x, y, and rotation w."""
        #Wrong way to construct things - use default MoveBaseGoal() then MoveBaseGoal.target_pose.pose.x = 1...
        h = Header(seq=1, stamp=rospy.Time.now(), frame_id="map")
        p = Point(float(x), float(y), 0.0)
        q = Quaternion(0.0, 0.0, 0.0, w)
        return PoseStamped(header=h, pose=Pose(position=p, orientation=q))

    def make_PoseStamped_from_Pose(self, p):
        """Adds a header to the Pose p."""
        #Wrong way to construct things - use default MoveBaseGoal() then MoveBaseGoal.target_pose.pose.x = 1...
        h = Header(seq=1, stamp=rospy.Time.now(), frame_id="map")
        return PoseStamped(header=h, pose=p)

    def save_position(self, position, name):
        if self.get_position(name):
            print("Updating position: " + name)
            self.Mongo_Storer.update_named(name, position)
        else:
            print("Inserting new position: " + name)
            temp_id = self.Mongo_Storer.insert_named(name, position)
            self.Mongo_Storer.update_named(name,
                                           position,
                                           meta={"_id": temp_id})
        self.update_web()

    def get_position(self, name):
        """Returns a PoseStamped saved position"""
        return self.Mongo_Storer.query_named(name,
                                             "geometry_msgs/PoseStamped")[0]

    def get_id(self, name):
        """Returns id of position named name in database"""
        print self.Mongo_Storer.query_named(
            name, "geometry_msgs/PoseStamped")[1]["_id"]
        return self.Mongo_Storer.query_named(
            name, "geometry_msgs/PoseStamped")[1]["_id"].__str__()

    def save_current_position(self, name):
        """If known, saves the robot's current position to the database"""
        if (self.last_recieved_position != None):
            new_pose = PoseStamped(header=self.last_recieved_position.header,
                                   pose=self.last_recieved_position.pose.pose)
            self.save_position(new_pose, name)
        else:
            print("Current position not known! Launch amcl/robot?")

    def publish_PoseStamped(self, pose):
        """Sends a navigation goal with pose"""
        print "Publishing pose:", pose
        to_pub = MoveBaseGoal(target_pose=pose)
        self.goal_client.send_goal(to_pub)

    def publish_saved_position(self, name):
        """Sends a navigation goal with the pose saved as name"""
        to_pub = self.get_position(name)
        if to_pub:
            self.publish_PoseStamped(to_pub)

    def publish_position_xy(self, x, y):
        """Sends a navigation goal with the position (x, y)"""
        self.publish_PoseStamped(self.make_PoseStamped_xy(x, y))

    def read_saved_position(self, name):
        """Outputs the stored position named name to console"""
        print self.get_position(name)

    def delete_position(self, name):
        if self.get_position(name):
            print("Deleting: " + name)
            print "ID: ", self.get_id(name)
            self.Mongo_Storer.delete(self.get_id(name))
            self.update_web()
        else:
            print("'" + name + "' is not in database!")

    def list_positions(self):
        print "Positions:"
        positions = self.Mongo_Storer.query("geometry_msgs/PoseStamped")
        for p in positions:
            print p[1]["name"] + ":"
            pos = p[0]
            #           Heh
            print "\t(", pos.pose.position.x, ",", pos.pose.position.y, ")"

    def update_web(self):
        """Publishes to a latched topic to keep the web interface updated. Called whenever the stored positions are changed."""
        position_list = [
            p for p, m in self.Mongo_Storer.query("geometry_msgs/PoseStamped")
        ]
        position_name_list = [
            m["name"]
            for p, m in self.Mongo_Storer.query("geometry_msgs/PoseStamped")
        ]
        print "Updating latched names..."
        self.Latched_Positions.publish(NameList(position_name_list))