pr2_se_exec.py

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#!/usr/bin/env python
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# Modified from original executive on 11/11 by Adam Leeper

import roslib; roslib.load_manifest('pr2_calibration_launch')
import rospy
import yaml
import sys
import pr2_calibration_executive.capture_exec
import time
from calibration_msgs.msg import RobotMeasurement
import os
import string

print "Starting executive..."
time.sleep(7.0)

rospy.init_node("pr2_capture_executive_node")

samples_dir = rospy.myargv()[1]
config_dir = rospy.myargv()[2]

executive = pr2_calibration_executive.capture_exec.CaptureExecutive(config_dir)
time.sleep(1.0)

left_sample_names  = [x for x in os.listdir(samples_dir + "/left/")  if ".yaml" in x]
right_sample_names = []
far_sample_names = []
right_sample_names = [x for x in os.listdir(samples_dir + "/right/") if ".yaml" in x]
far_sample_names   = [x for x in os.listdir(samples_dir + "/far/")   if ".yaml" in x]

left_sample_names.sort()
right_sample_names.sort()
far_sample_names.sort()

print "Left Samples: \n - %s" % "\n - ".join(left_sample_names)
print "Right Samples: \n - %s" % "\n - ".join(right_sample_names)
print "Far Samples: \n - %s" % "\n - ".join(far_sample_names)

pub = rospy.Publisher("robot_measurement", RobotMeasurement)

far_success_count = 0
left_success_count = 0
left_fail_count = 0
right_success_count = 0
right_fail_count = 0

# TODO Add support for right OR left arm
capture_right_arm_data = True
capture_left_arm_data = False

try:
    # Capture Far Checkerboards
    keep_collecting = True
    full_paths = [samples_dir + "/far/" + x for x in far_sample_names]
    cur_config = yaml.load(open(full_paths[0]))
    m_robot = executive.capture(cur_config, rospy.Duration(0.01))

    while not rospy.is_shutdown() and keep_collecting:

        print "Please place the large 7x6 checkerboard approx 3m in front of the robot"
        print "in view of the head cameras and tilting laser."
        print "Press <enter> when ready to collect data, or type \"N\" if done collecting large checkerboards"
        resp = raw_input("> ")
        if string.upper(resp) == "N":
            print "Done collecting far samples"
            keep_collecting = False
        else:
            for cur_sample_path in full_paths:
                print "On far sample [%s]" % cur_sample_path
                cur_config = yaml.load(open(cur_sample_path))
                m_robot = executive.capture(cur_config, rospy.Duration(40))
                if m_robot is None:
                    print "--------------- Failed To Capture a Far Sample -----------------"
                else:
                    print "++++++++++++++ Successfully Captured a Far Sample ++++++++++++++"
                    far_success_count += 1
                    pub.publish(m_robot)
                print "Succeeded on %u far samples" % far_success_count
                if rospy.is_shutdown():
                    break

    # Capture Left Arm Data
    if capture_left_arm_data and not rospy.is_shutdown():
        full_paths = [samples_dir + "/left/" + x for x in left_sample_names]

        cur_config = yaml.load(open(full_paths[0]))
        m_robot = executive.capture(cur_config, rospy.Duration(0.01))

        print "Please put the checkerboard in the left hand (open/close the gripper with the joystick's left/right D-Pad buttons). press <enter> to continue.  Type N to skip"
        resp = raw_input("press <enter> ")
        if string.upper(resp) == "N":
            print "Skipping left arm samples"
        else:
            for cur_sample_path in full_paths:
                print "On left arm sample [%s]" % cur_sample_path
                cur_config = yaml.load(open(cur_sample_path))
                m_robot = executive.capture(cur_config, rospy.Duration(40))
                if m_robot is None:
                    print "--------------- Failed To Capture a Left Hand Sample -----------------"
                    left_fail_count += 1
                else:
                    print "++++++++++++++ Successfully Captured a Left Hand Sample ++++++++++++++"
                    left_success_count += 1
                    pub.publish(m_robot)
                print "Succeded on %u/%u left arm samples" % (left_success_count, left_fail_count + left_success_count)
                if rospy.is_shutdown():
                    break

    # Capture Right Arm Data
    if capture_right_arm_data and not rospy.is_shutdown():
        full_paths = [samples_dir + "/right/" + x for x in right_sample_names]

        cur_config = yaml.load(open(full_paths[0]))
        m_robot = executive.capture(cur_config, rospy.Duration(0.01))

        print "Please put the checkerboard in the right hand (open/close the gripper with the joystick's square/circle buttons). press <enter> to continue..."
        resp = raw_input("press <enter> ")
        if string.upper(resp) == "N":
            print "Skipping right arm samples"
        else:
            for cur_sample_path in full_paths:
                print "On right arm sample [%s]" % cur_sample_path
                cur_config = yaml.load(open(cur_sample_path))
                m_robot = executive.capture(cur_config, rospy.Duration(40))
                if m_robot is None:
                    print "--------------- Failed To Capture a Right Hand Sample -----------------"
                    right_fail_count += 1
                else:
                    print "++++++++++++++ Successfully Captured a Right Hand Sample ++++++++++++++"
                    right_success_count += 1
                    pub.publish(m_robot)
                print "Succeded on %u/%u right arm samples" % (right_success_count, right_fail_count + right_success_count)
                if rospy.is_shutdown():
                    break

except EOFError:
    print "Exiting"

time.sleep(1)

print "Calibration data collection has completed!"
print "Far Samples: %u" % far_success_count
print "Left Arm Samples: %u/%u" % (left_success_count, left_fail_count + left_success_count)
print "Right Arm Samples: %u/%u" % (right_success_count, right_fail_count + right_success_count)
print ""
print "You can now kill this node, along with any other calibration nodes that are running."