consumers.py
52 lines
| 1.9 KiB
| text/x-python
|
PythonLexer
/ plotter / consumers.py
|
r1 | import os | ||
r0 | import json | |||
r2 | ||||
r0 | from datetime import datetime | |||
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r1 | |||
r0 | from pymongo import MongoClient | |||
from channels.handler import AsgiHandler | ||||
from channels.auth import channel_session_user | ||||
from channels import Group | ||||
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r1 | host = os.environ.get('HOST_MONGO', 'localhost') | ||
CLIENT = MongoClient('{}:27017'.format(host)) | ||||
r0 | DB = CLIENT['dbplots'] | |||
# Connected to websocket.connect | ||||
def ws_connect(message, code, plot): | ||||
message.reply_channel.send({'accept': True}) | ||||
r2 | pk = message.content['query_string'].split('=')[1] | |||
Group('{}_{}'.format(pk, plot)).add(message.reply_channel) | ||||
print('New connection from: {}, creating Group: {}_{}'.format(message.content['client'][0], pk, plot)) | ||||
r0 | ||||
def ws_message(message, code, plot): | ||||
# Accept the incoming connection | ||||
r2 | print 'incoming message' | |||
r0 | dt = datetime.strptime(str(json.loads(message.content['text'])['date']), '%d/%m/%Y') | |||
r2 | exp = DB.exp_meta.find_one({'code': int(code), 'date': dt}) | |||
print exp | ||||
if exp: | ||||
r0 | if plot == 'spc': | |||
r2 | datas = DB.exp_data.find({'expmeta': exp['_id']}, ['time', 'data']).sort('time', -1).limit(1)[0] | |||
exp['time'] = [datas['time']] | ||||
exp['spc'] = datas['data']['spc'] | ||||
exp['rti'] = datas['data']['rti'] | ||||
exp['noise'] = datas['data']['noise'] | ||||
r0 | else: | |||
r2 | datas = DB.exp_data.find({'expmeta': exp['_id']}, ['time', 'data']).sort('time', 1) | |||
print 'Counting...' | ||||
print datas.count() | ||||
r0 | dum = [(d['time'], d['data'][plot]) for d in datas] | |||
r2 | exp['time'] = [d[0] for d in dum] | |||
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r1 | dum = [d[1] for d in dum] | ||
r2 | exp[plot] = map(list, zip(*dum)) | |||
exp.pop('date', None) | ||||
exp.pop('_id', None) | ||||
message.reply_channel.send({'text': json.dumps(exp)}) | ||||
r0 | else: | |||
message.reply_channel.send({'text': json.dumps({'interval': 0})}) | ||||
# Connected to websocket.disconnect | ||||
def ws_disconnect(message, code, plot): | ||||
Group('{}_{}'.format(code, plot)).discard(message.reply_channel) | ||||