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#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys, os, locale, logging
from datetime import datetime
from dateutil import parser
import cherrypy
from cherrypy.lib.cptools import serve_file;
from template import Template
logger = logging.getLogger('index')
current_dir = os.path.realpath(os.path.curdir)
gpioSerie = """
{
name: '%s',
type: 'spline',
data: [%s],
},
"""
adcSerie = """
{
name: '%s',
type: 'spline',
data: [%s],
tooltip: {
valueSuffix: 'V'
},
},
"""
class HomePage(object):
def __init__(self):
logger.setLevel(logging.DEBUG)
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
ch.setFormatter(formatter)
logger.addHandler(ch)
self.data = {}
self.xLabel = 's'
def load(self, fileName):
f = open(fileName, 'r')
return f.read()
def getXData(self):
data = ''
k = self.data.keys()
k.sort()
for dt in k:
if len(data) > 0:
data += ', '
data += "Date.UTC(%s, %s, %s, %s, %s, %s, %s)" % (dt.year, dt.month-1, dt.day, dt.hour, dt.minute, dt.second, dt.microsecond/1000)
return data
def hasPowerData(self):
k = self.data.keys()
k.sort()
if len(k) and 'CURRENT' in self.data[k[0]]:
return True
return False
def hasGpioData(self):
k = self.data.keys()
k.sort()
if len(k):
gpioList = self.data[k[0]]
for gpio in gpioList:
serie = ''
if gpio.startswith('GPIO'):
return True
return False
def hasAdcData(self):
k = self.data.keys()
k.sort()
if len(k):
adcList = self.data[k[0]]
for adc in adcList:
serie = ''
if adc.startswith('ADC'):
return True
return False
def getCurrentData(self):
data = ''
k = self.data.keys()
k.sort()
if len(k) and 'CURRENT' in self.data[k[0]]:
for entry in k:
if len(data) > 0:
data += ', '
data += self.data[entry]['CURRENT']
return data
def getVoltageData(self):
data = ''
k = self.data.keys()
k.sort()
if len(k) and 'VOLTAGE' in self.data[k[0]]:
for entry in k:
if len(data) > 0:
data += ', '
data += self.data[entry]['VOLTAGE']
return data
def getGpioSeries(self):
data = ''
k = self.data.keys()
k.sort()
if len(k):
gpioList = self.data[k[0]]
for gpio in gpioList:
serie = ''
if gpio.startswith('GPIO'):
id = gpio
if not gpio[4:].isdigit():
id = gpio[5:]
for entry in k:
if len(serie) > 0:
serie += ', '
serie += self.data[entry][gpio]
data += gpioSerie % (id, serie)
return data
def getAdcSeries(self):
data = ''
k = self.data.keys()
k.sort()
if len(k):
adcList = self.data[k[0]]
for adc in adcList:
serie = ''
if adc.startswith('ADC'):
id = adc
if not adc[3:].isdigit():
id = adc[4:]
for entry in k:
if len(serie) > 0:
serie += ', '
serie += self.data[entry][adc]
data += adcSerie % (id, serie)
return data
@cherrypy.expose
def favicon_ico(self):
current_dir = os.path.realpath(os.path.curdir)
return serve_file(current_dir + '/favicon.ico')
@cherrypy.expose
def index(self):
tmpl = self.load('index.html')
nameSpace = {'XDATA': self.getXData(),
'XLABEL': self.xLabel,
'CURRENT_DATA': self.getCurrentData(),
'VOLTAGE_DATA': self.getVoltageData(),
'GPIO_SERIES': self.getGpioSeries(),
'ADC_SERIES': self.getAdcSeries(),
'DISPLAY_POWER': "block" if self.hasPowerData() else "none",
'DISPLAY_GPIO': "block" if self.hasGpioData() else "none",
'DISPLAY_ADC': "block" if self.hasAdcData() else "none"
}
return Template(tmpl, searchList=[nameSpace]).respond()
@cherrypy.expose
def clear(self):
self.data = {}
raise cherrypy.HTTPRedirect("/")
@cherrypy.expose
def export(self, filename='log.csv'):
k = self.data.keys()
k.sort()
data = 'TIME'
if len(k):
f = open(filename, 'w')
columns = self.data[k[0]].keys()
columns.sort()
for col in columns:
data += ';'
data += col
data += '\n'
f.write(data)
data = ''
for entry in k:
data += str(entry)
for col in columns:
data += ';'
data += self.data[entry][col]
data += '\n'
f.write(data)
data = ''
f.close()
path = os.path.join(os.getcwd(), filename)
return serve_file(path, 'application/x-download', 'attachment', os.path.basename(path))
@cherrypy.expose
def log(self, **kwargs):
logger.debug('log %s' % kwargs)
if "dt" in kwargs:
dt = parser.parse(kwargs["dt"])
else:
dt = datetime.now()
self.data[dt] = {}
for arg in kwargs.keys():
self.data[dt][arg] = kwargs[arg]
tmpl = self.load('index.html')
return "OK"
cherrypy.root = HomePage()
if __name__ == '__main__':
cherrypy.config.update(file = 'web-power-monitor.conf')
cherrypy.log('SERVER starting at %s' % os.getcwd())
cherrypy.server.start() |
ESP32 + CherryPy
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