and here is the complete listing of the custom generator code:
# -*- coding: utf-8 -*-
import Image, ImageFont, ImageDraw, urllib, urllib2, time
import os, weewx.reportengine
#===============================================================================
# Class ImageGenerator
#===============================================================================
class CameraGenerator(weewx.reportengine.ReportGenerator):
"""Class for managing the cam image generator."""
def run(self):
# localpath =
os.path.join(self.config_dict['Station']['WEEWX_ROOT'],self.skin_dict['HTML_ROOT'])
fontpath = self.skin_dict['Extras']['cam_lable_font_path']
ptzfontsize =
int(self.skin_dict['Extras']['ptz_cam_lable_font_size'])
for ptzcam in self.skin_dict['Extras']['ptzcams'].keys():
localpath =
os.path.join(self.config_dict['Station']['WEEWX_ROOT'],self.skin_dict['HTML_ROOT'],ptzcam)
camdef = self.skin_dict['Extras']['ptzcams'][ptzcam]
preseturl=camdef['preseturl']
imgurl = camdef['imgurl']
for preset in camdef['presets'].keys():
psdef = camdef['presets'][preset]
psNum = int(psdef['number']) # API says add 256 to the
preset number for the url
urlNum = psNum + 256
psCaption = psdef['caption']
psSnap = int(psdef['snap'])
moveurl = preseturl+str(urlNum) #the complete move to
preset url
tries = 0
moved = False
while tries < 3:
tries += 1
try:
mov = urllib.urlopen(moveurl) #tell the camera to
move to the preset location
if mov.read().find('OK')>-1:
moved = True
mov.close() #close the link
break
except:
print "Unexpected error moving camera:"
time.sleep(5.0)
if not moved:
mov.close() #close the link
continue
time.sleep(17.0) #wait for a few seconds for the camera to
move
if psSnap==1: #if a snapshot is called for on the
preset
tries = 0
while tries < 3:
local = open(localpath+str(psNum) + '.jpg','wb')
#open a file for the image
tries += 1
try:
local.write(urllib.urlopen(imgurl).read())
#download the snapshot image into the file
local.close()
except:
local.close()
os.remove(localpath+str(psNum) + '.jpg')
time.sleep(5.0)
continue
if os.path.getsize(localpath+str(psNum) + '.jpg')>0:
try:
outImage =
Image.open(localpath+str(psNum)+'.jpg')
draw = ImageDraw.Draw(outImage)
font=ImageFont.truetype(fontpath,ptzfontsize)
timestr = time.strftime('%a, %m/%d/%y at
%I:%M %p %Z',time.localtime(time.time()))
draw.rectangle([0,0,1280,30],(0,0,0,10))
draw.text((5,5),psCaption +' updated on
'+timestr,font=font)
outImage.save(localpath+str(psNum)+'.jpg')
break
except:
print 'error with camera image and PIL'
os.remove(localpath+str(psNum) + '.jpg')
time.sleep(5.0)
continue
else:
if tries == 3:
os.remove(localpath+str(psNum) + '.jpg')
break
time.sleep(5.0)
chanurl = self.skin_dict['Extras']['fixedcams']['chanurl']
imgurl = self.skin_dict['Extras']['fixedcams']['imgurl']
localpath =
os.path.join(self.config_dict['Station']['WEEWX_ROOT'],self.skin_dict['HTML_ROOT'],'cam')
for fixedcam in
self.skin_dict['Extras']['fixedcams']['cameras'].keys():
camdef =
self.skin_dict['Extras']['fixedcams']['cameras'][fixedcam]
port=int(camdef['port'])
urlchan = chanurl+str(port)
tries = 0
while tries <= 3:
tries += 1
try:
chan = urllib.urlopen(urlchan)
break
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
chan.close()
time.sleep(1.0)
local = open(localpath+str(port+1)+'.jpg','wb')
tries=0
while tries <= 3:
tries += 1
try:
local.write(urllib.urlopen(imgurl).read())
break
except IOError as (errno, strerror):
print "I/O error({0}): {1}".format(errno, strerror)
except ValueError:
print "Could not convert data to an integer."
except:
print "Unexpected error:", sys.exc_info()[0]
raise
local.close()
outImage = Image.open(localpath+str(port+1)+'.jpg')
draw = ImageDraw.Draw(outImage)
font=ImageFont.truetype(fontpath,15)
timestr = time.strftime('%a, %m/%d/%y at %I:%M %p
%Z',time.localtime(time.time()))
draw.rectangle([0,0,640,20],(0,0,0,10))
draw.text((5,5),"Cam " + str(port+1)+' updated on
'+timestr,font=font)
outImage.save(localpath+str(port+1)+'.jpg')
On Saturday, September 23, 2017 at 10:04:46 AM UTC-7, Joe Percival wrote:
>
> First, an explanation...
> I'm adding a report that downloads images from webcams, manipulates them,
> and copies them to a local file. An FTP report then sends them to a
> specific location on my remote web server.
> The skin for this custom report includes a configuration file but does not
> use a template file. The skin configuration file contains a set of
> parameters used by the custom generator to find, manipulate, and store the
> images locally.
> The custom generator is a highly modified (like completely) version of the
> original ImageGenerator.
>
> Here is what I have now and what I understand needs to change...
>
> In the old weewx.conf:
> [Reports]
> [[CameraSnapshots]]
> skin=snapshots
>
> In the new weewx.conf:
> [StdReport]
> [[CameraSnapshots]]
> skin=snapshots
>
> In the old skins/snapshots/skin.conf:
> <snipped out all sorts of parameter goodies used by the generator to find
> and manipulate images>
> [Generators]
> generator_list = weewx.cameragenerator.CameraGenerator
> #weewx.filegenerator.FileGenerator,
> weewx.imagegenerator.ImageGenerator, weewx.reportengine.CopyGenerator
>
> In the new skins/snapshots/skin.conf:
> <snipped out all the same parameter goodies which will probably not need
> to change... we'll see>
> [Generators]
> generator_list = user.cameragenerator.CameraGenerator
> #weewx.filegenerator.FileGenerator,
> weewx.imagegenerator.ImageGenerator, weewx.reportengine.CopyGenerator
>
> in the old bin/weewx/cameragenerator.py:
> import Image, ImageFont, ImageDraw, urllib, urllib2, time
> import os, weewx.reportengine
>
> #===============================================================================
> # Class CameraGenerator
>
> #===============================================================================
>
> class CameraGenerator(weewx.reportengine.ReportGenerator):
> """Class for managing the cam image generator."""
>
> In the new user/cameragenerator.py:
> import Image, ImageFont, ImageDraw, urllib, urllib2, time
> import os, weewx.reportengine
>
> #===============================================================================
> # Class CameraGenerator
>
> #===============================================================================
>
> class CameraGenerator(weewx.reportengine.ReportGenerator):
> """Class for managing the cam image generator."""
>
> Is that the right place to start?
> Thanks,
> joe
>
> On Friday, September 22, 2017 at 5:31:18 PM UTC-7, Tom Keffer wrote:
>>
>> It should go in bin/user.
>>
>> -tk
>>
>> On Fri, Sep 22, 2017 at 5:26 PM, Joe Percival <[email protected]>
>> wrote:
>>
>>> Actually the most important first question I have is regarding the
>>> custom generator location.... bin/weewx or do I need to move it to bin/user?
>>>
>>> --
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>>>
>>
>>
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