New initial message, gui and config modules

Still WIP, message handler does something at least if started.
GUI is somewhat broken though.
master
Radosław Szkodziński 2013-11-24 22:38:04 +01:00
parent 46d5e9fde2
commit f7ba17850c
4 changed files with 460 additions and 0 deletions

39
config.py Normal file
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import yaml
import errno
class Config(object):
def __init__(self, engine, gui, message):
try:
self.config_file = open("config", "r")
self.data = yaml.load(self.config_file)
except IOError, e:
print "Dropping into developer mode due to missing or invalid config file"
gui.enable()
engine.set_debug(True)
message.set_debug(True)
self.data['timeout'] = 10.0
self.data['status_target'] = 'http://10.8.0.171:8000/status'
if not hasattr(self.data, 'gui') or self.data['gui']:
gui.enable()
debug = hasattr(self.data, 'debug') and self.data['debug']
engine.set_debug(debug)
message.set_debug(debug)
def save(self):
self.config_file = open(self.config_file.name, "w")
json.dump(self.config, self.config_file)
self.config_file.close()
def set_active_rect(self, rect):
self.config['active_rect'] = rect
def set_perspective_points(self, points):
self.config['perspective_points'] = points
def set_status_target(self, status_url):
self.config['status_target'] = status_url
def set_image_target(self, image_url):
self.config['image_url'] = image_url

40
engine.py Normal file
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import cv2
import numpy as np
from threading import Thread, Timer
# TODO: GROT
import time
import random
class Engine(object):
def __init__(self):
self.thread = Thread(target=self.run, name = "JunkVision Engine")
self.perspective = np.array(
[[ 1.33036171e+00, 3.18020707e-01, -1.38751879e+02],
[ -1.71116647e-01, 1.55350072e+00, -8.06609130e+00],
[ -3.52454848e-04, 1.09892154e-03, 1.00000000e+00]]
)
self.areas = [(107, 68, 282, 209),
(313, 67, 493, 308),
(316, 323, 489, 475),
(105, 209, 288, 476)]
def start(self):
self.thread.start()
self.thread.join()
def run(self):
pass
def get_image(self, area_id):
return open("D:/obrazek.jpg", "rb").read()
def get_areas(self):
return self.areas
def get_movement_time(self, area_id):
return time.time()
def get_percent_mess(self, area_id):
return random.random() * 100

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gui.py Normal file
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import cv2
import cv2.cv
from threading import Thread
import numpy as np
from functools import partial
class AreaSelector(object):
def __init__(self, window_name, orig_img, max_areas = 4):
self.window_name = window_name
self.orig_img = orig_img
self.selection = False
self.area = 0
self.max_areas = max_areas
self.rects = []
for i in xrange(max_areas):
self.rects.append([])
self.colors = [
(0,255,0),
(255,0,127),
(0,127,255),
(255,255,0)
]
@staticmethod
def handler(event, x, y, flags, self):
if event == cv2.EVENT_FLAG_RBUTTON:
self.area += 1
self.area %= self.max_areas
if self.selection:
self.selection = False
self.redrawRects()
elif event == cv2.EVENT_LBUTTONDOWN and not self.selection:
self.selection = True
self.first_x = x
self.first_y = y
elif event == cv2.EVENT_LBUTTONDOWN and self.selection:
self.selection = False
self.redrawRects()
elif event == cv2.EVENT_MOUSEMOVE and self.selection:
self.rects[self.area] = (min(self.first_x, x), min(self.first_y, y), max(self.first_x, x), max(self.first_y, y))
self.redrawRects()
def redrawRects(self):
cv2.imshow(self.window_name, self.orig_img)
new_img = self.orig_img.copy()
for i, r in enumerate(self.rects):
if not r:
continue
cv2.rectangle(new_img, (r[0], r[1]), (r[2], r[3]), self.colors[i], 4)
cv2.imshow(self.window_name, new_img)
class CorrectionSelector(object):
def __init__(self, window_name, orig_img):
self.selecting_rect = True
self.points = []
self.cur_point = 0
self.orig_img = orig_img
self.window_name = window_name
self.colors = [
(0,255,127),
(255,0,127),
(0,127,255),
(255,255,0)
]
self.transform = []
self.rect_x = 0
self.rect_y = 0
@staticmethod
def handler(event, x, y, flags, self):
if self.selecting_rect:
if event == cv2.EVENT_FLAG_RBUTTON:
self.selecting_rect = False
self.redraw()
elif event == cv2.EVENT_FLAG_LBUTTON:
self.rect_x = x
self.rect_y = y
elif event == cv2.EVENT_MOUSEMOVE:
self.rect = min(self.rect_x, x), min(self.rect_y, y), max(self.rect_x, x), max(self.rect_y, y)
self.redraw()
else:
if event == cv2.EVENT_FLAG_RBUTTON:
self.redraw()
self.calc_transform()
self.selecting_rect = True
elif event == cv2.EVENT_FLAG_LBUTTON:
if len(self.points) < 4:
self.points.append((x,y))
else:
self.points[self.cur_point] = (x,y)
self.cur_point += 1
self.cur_point %= 4
self.redraw()
def redraw(self):
cv2.imshow(self.window_name, self.orig_img)
new_img = self.orig_img.copy()
if self.rect:
cv2.rectangle(new_img, (self.rect[0], self.rect[1]), (self.rect[2], self.rect[3]), (0, 255, 0), 4)
self.points.sort()
for i, p in enumerate(self.points):
cv2.circle(new_img, p, 4, self.colors[i], -1)
cv2.imshow(self.window_name, new_img)
def calc_transform(self):
self.rect_points = [
(self.rect[0], self.rect[1]),
(self.rect[0], self.rect[3]),
(self.rect[2], self.rect[1]),
(self.rect[2], self.rect[3])
]
sorted_points = []
best_match = 0
for i in xrange(4):
min_delta = cap_width * cap_height
for j in xrange(4):
delta = (abs(self.rect_points[i][0] - self.points[j][0]), abs(self.rect_points[i][1] - self.points[j][1]))
print i, j, delta
if delta[0] + delta[1] < min_delta:
best_match = j
min_delta = delta[0] + delta[1]
print best_match
sorted_points.append(self.points[best_match])
print np.array(self.points), np.array(self.rect_points), np.array(sorted_points)
self.transform = cv2.getPerspectiveTransform(np.array(sorted_points, dtype=np.float32), np.array(self.rect_points, dtype=np.float32))
print self.transform
def get_transform(self):
return self.transform
class ModeSelector(object):
def __init__(self, gui, min_mode, max_mode):
self.gui = gui
self.min_mode = min_mode
self.max_mode = max_mode
self.mode = self.gui.mode
@staticmethod
def handler(event, x, y, flags, self):
if event == cv2.EVENT_MBUTTONDOWN:
mode = self.gui.mode
mode += 1
mode %= self.max_mode
if mode < self.min_mode:
mode = self.min_mode
self.gui.mode = mode
class Gui(object):
def __init__(self, engine):
self.engine = engine
self.enabled = False
self.mode = -2
def enable(self):
if self.enabled:
raise RuntimeError("Gui has already been started!")
self.thread = Thread(target=self.run, name="JunkVision GUI")
self.enabled = True
self.thread.start()
def set_mode(self, mode):
self.mode = mode
def disable(self):
self.enabled = False
if self.thread.is_alive:
self.thread.join()
def is_enabled(self):
return self.enabled
def run(self):
cv2.namedWindow("JunkVision GUI")
while self.enabled:
if self.mode == -2:
self.selector = AreaSelector("JunkVision GUI")
cv2.setMouseCallback("JunkVision GUI", CorrectionSelector.handler, self.selector)
cv2.waitKey()
elif self.mode == -1:
self.selector = CorrectionSelector("JunkVision GUI")
cv2.setMouseCallback("JunkVision GUI", AreaSelector.handler, self.selector)
cv2.waitKey()
elif self.mode >= 0 and self.mode <= 2:
if not isinstance(self.selector, ModeSelector):
self.selector = ModeSelector(self, 0, 2)
cv2.setMouseCallback("JunkVision GUI", ModeSelector.handler, self.selector)
if self.mode == 0:
img = self.engine.get_plain_image()
elif self.mode == 1:
img = self.engine.get_movement_image()
elif self.mode == 2:
img = self.engine.get_difference_image()
cv2.imshow("JunkVision GUI", img)
if cv2.waitKey(10) == 27:
self.enabled = False
cv2.destroyWindow("JunkVision GUI")

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message.py Normal file
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import requests
import json
import BaseHTTPServer
from threading import Thread
class MessageHandler(BaseHTTPServer.BaseHTTPRequestHandler):
access_denied_text = """
<html>
<head><title>JunkVision - 403 Forbidden</title></head>
<base>
<h1>403 Forbidden</h1>
<h2>Only LAN is allowed.</h2>
<p>Contact <a href="mailto:bofh@hackerspace.pl">BOFHs</a> for access.</p>
</base>
</html>
"""
not_found_text = """
<html>
<head><title>JunkVision - 404 Not Found</title></head>
<base>
<h1>404 Not found</h1>
</base>
</html>
"""
bad_request_text = """
<html>
<head><title>JunkVision - 400 Bad Request</title></head>
<base>
<h1>400 Bad Request</h1>
</base>
</html>
"""
def do_GET(self):
self.server_version = "JunkVision/0.5"
self.sys_version = ""
self.protocol_version = "HTTP/1.1"
if not self.client_address[0].startswith("10.8.") and self.client_address[0] != "127.0.0.1":
self.send_response(403)
self.send_default_headers()
self.send_header("Content-Type", "text/html; charset=utf-8")
self.send_header("Content-Length", "%d" % len(self.access_denied_text))
self.end_headers()
self.wfile.write(self.access_denied_text)
return
data = {}
data['json_response'] = self.server.get_default_data()
if self.path.startswith("/image/"):
try:
area = int(self.path.split("/")[2])
except (ValueError, IndexError):
self.send_bad_request()
# TODO: logging
print "Bad request", self.path
return
img_jpg = self.server.engine.get_image(int(area))
self.send_image(img_jpg)
return
elif self.path.startswith("/status/"):
data['json_response'].append({'type': 'status'})
if self.path == "/status/":
for area_id in xrange(len(self.server.engine.get_areas())):
data['json_response'].append(self.server.get_status_data(area_id))
else:
try:
area = int(self.path.split("/")[2])
if area < 0 or area > len(self.server.engine.get_areas()):
raise IndexError("Area out of range")
data['json_response'].append(self.server.get_status_data(area))
except (ValueError, IndexError):
self.send_bad_request()
# TODO: logging
print "Bad request", self.path
return
else:
self.send_response(404)
self.send_default_headers()
self.send_header("Content-Type", "text/html; charset=utf-8")
self.send_header("Content-Length", "%d" % len(self.not_found_text))
self.end_headers()
self.wfile.write(self.not_found_text)
return
self.send_response(200)
self.send_default_headers()
self.send_header("Content-Type", "application/json; charset=utf-8")
json_text = json.dumps(data)
self.send_header("Content-Length", "%d" % len(json_text))
self.send_header("Cache-Control", "max-age=60")
self.end_headers()
self.wfile.write(json_text)
def send_default_headers(self):
self.send_header("Connection", "close")
self.send_header("Transfer-Encoding", "identity")
self.send_header("Allow", "GET")
def send_bad_request(self):
self.send_response(400)
self.send_default_headers()
self.send_header("Content-Type", "text/html; charset=utf-8")
self.send_header("Content-Length", "%d" % len(self.bad_request_text))
self.end_headers()
self.wfile.write(self.bad_request_text)
def send_image(self, img):
self.send_response(200)
self.send_default_headers()
# XXX: parametrize?
self.send_header("Content-Type", "image/jpeg")
self.send_header("Content-Length", "%d" % len(img))
self.send_header("Cache-Control", "no-store")
self.end_headers()
self.wfile.write(img)
class MessageServer(BaseHTTPServer.HTTPServer):
def __init__(self, engine):
BaseHTTPServer.HTTPServer.__init__(self, ("0.0.0.0", 4580), MessageHandler)
self.engine = engine
self.camera_id = "Unknown"
self.enabled = False
def set_camera_id(self, camera_id):
self.camera_id = camera_id
def set_status_target(self, status_url):
self.status_target = status_url
def get_default_data(self):
return [{"camera_id": self.camera_id}]
def get_status_data(self, area_id):
return {
"area_id": area_id,
"area_rect": self.engine.get_areas()[area_id],
"last_movement": self.engine.get_movement_time(area_id),
"last_percent_mess": self.engine.get_percent_mess(area_id)
}
def send_status(self, area_id=-1):
data = {}
data['status'] = self.get_default_data()
if area_id < 0:
for area_id in engine.get_areas():
data['status'].append(self.get_status_data(area_id))
else:
data['status'].append(self.get_status_data(area_id))
json_text = json.dumps(data)
headers = [("Content-Type", "application/json; charset=utf-8"),
("Content-Length", "%d" % len(json_text)),
("Server", "JunkVision/0.5")]
resp = requests.post(self.status_target, data=json_text, headers=headers)
# TODO: logging
print resp
def start(self):
if self.enabled:
raise RuntimeError("Message handler is already started!")
self.thread = Thread(target=self.run, name="JunkVision MessageHandler")
self.enabled = True
self.thread.start()
def stop(self):
self.enabled = False
self.thread.join()
def run(self):
while self.enabled:
self.handle_request()