def create_lapse(self):
"""
Create the timelapse frames, please
"""
fails = 0
# Assume 30fps
while self.i < self.frames :
logging.info("i = %s, fails = %s" % (self.i, fails) )
if fails > 5:
logging.info("failed too many times")
sys.exit(0)
# Set up buffer for image to go to
buf = StringIO.StringIO()
try:
drct = self.camera.getDirection()
buf.write( self.camera.getOneShot() )
buf.seek(0)
imgdata = Image.open( buf )
draw = ImageDraw.Draw(imgdata)
fails = 0
except IOError, exp:
logging.exception( exp )
time.sleep(10)
fails += 1
continue
now = datetime.datetime.now()
if self.network != 'KELO':
stamp = "%s %s" % (vbcam.drct2dirTxt(drct),
now.strftime("%-I:%M %p") )
(width, height) = self.font.getsize(stamp)
if self.network == 'KCRG2':
draw.rectangle( [545-width-10, self.date_height, 545,
self.date_height+height], fill="#000000" )
draw.text((540-width, self.date_height), stamp,
font=self.font)
else:
draw.rectangle( [205-width-10, self.date_height, 205,
self.date_height+height], fill="#000000" )
draw.text((200-width, self.date_height), stamp,
font=self.font)
stamp = "%s" % (now.strftime("%d %b %Y"), )
else:
stamp = "%s %s" % (now.strftime("%d %b %Y %-I:%M %p"),
vbcam.drct2dirTxt(drct))
(width, height) = self.sfont.getsize(stamp)
draw.rectangle( [0, 480-height, 0+width, 480], fill="#000000" )
draw.text((0, 480-height), stamp, font=self.sfont)
del draw
imgdata.save('%05i.jpg' % ( self.i,))
self.wait_for_next_frame(self.i)
del imgdata
del buf
self.i += 1
if buf.len == 0:
return
try:
i0 = Image.open(buf)
i320 = i0.resize((320, 240), Image.ANTIALIAS)
except:
slaughter()
return
# Get direction cam is looking
if row['scrape_url'] is None:
drct = cam.getDirection()
drctTxt = cam.drct2txt(drct)
else:
drct = row['pan0']
drctTxt = vbcam.drct2dirTxt(row['pan0'])
# Place timestamp/direction on image
font = ImageFont.truetype('../lib/veramono.ttf', 10)
draw = ImageDraw.Draw(i0)
text = "(%s) %s %s" % (drctTxt, row['name'],
now.strftime("%-2I:%M:%S %p - %d %b %Y"))
(w, h) = font.getsize(text)
# Our image may not be 640x480 at full res
(_, imgheight) = i0.size
draw.rectangle([5, imgheight - 5 - h, 5+w, imgheight - 5], fill="#000000")
draw.text((5, imgheight - 5 - h), text, font=font)
# Save 640x480
i0.save("../tmp/%s-640x480.jpg" % (cid,))
