annotate web/log.py @ 498:ccc2915b2dd9

Add --new flag
author Matt Johnston <matt@ucc.asn.au>
date Tue, 04 Mar 2014 22:12:29 +0800
parents 23c6cf01d237
children 1d8a8bd2ea78
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1 # -*- coding: utf-8 -*-
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2 #:vim:et:ts=4:sts=4:sw=4:
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3 import rrdtool
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4 import os
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5 import os.path
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6 import sys
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7 import glob
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8 import hashlib
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9 import tempfile
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10 import time
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11 import syslog
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12 import sqlite3
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13 import traceback
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14 import datetime
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15 import struct
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16 import binascii
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17 import json
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18 import subprocess
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19 from colorsys import hls_to_rgb
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20
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21 import config
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22 import atomicfile
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23
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24 def sensor_rrd_path(s):
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25 return '%s/sensor_%s.rrd' % (config.DATA_PATH, str(s))
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26
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27 # returns (path, sensor_name) tuples
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28 def all_sensors():
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29 return [(r, os.path.basename(r[:-4]))
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30 for r in glob.glob('%s/*.rrd' % config.DATA_PATH)]
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31
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32 def create_rrd(sensor_id):
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33 # start date of 10 seconds into 1970 is used so that we can
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34 # update with prior values straight away.
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35 if 'voltage' in sensor_id:
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36 args = [
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37 '--step', '3600',
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38 'DS:temp:GAUGE:7200:1:10',
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39 'RRA:AVERAGE:0.5:1:87600']
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40 elif 'fridge_on' in sensor_id:
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41 args = [
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42 '--step', '300',
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43 'DS:temp:GAUGE:600:-100:500',
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44 'RRA:LAST:0.5:1:1051200']
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45 else:
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46 args = [
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47 '--step', '300',
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48 'DS:temp:GAUGE:600:-100:500',
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49 'RRA:AVERAGE:0.5:1:1051200']
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50
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51 print>>sys.stderr, sensor_rrd_path(sensor_id)
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52
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53 rrdtool.create(sensor_rrd_path(sensor_id),
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54 '--start', 'now-60d',
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55 *args)
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56
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57 # stolen from viewmtn, stolen from monotone-viz
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58 def colour_from_string(str):
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59 def f(off):
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60 return ord(hashval[off]) / 256.0
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61 hashval = hashlib.sha1(str).digest()
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62 hue = f(5)
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63 li = f(1) * 0.15 + 0.55
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64 sat = f(2) * 0.5 + .5
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65 return ''.join(["%.2x" % int(x * 256) for x in hls_to_rgb(hue, li, sat)])
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66
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67 def graph_png(start, length):
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68 os.environ['MATT_PNG_BODGE_COMPRESS'] = '4'
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69 os.environ['MATT_PNG_BODGE_FILTER'] = 'paeth'
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70 rrds = all_sensors()
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71
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72 graph_args = []
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73 have_volts = False
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74
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75 ## volts = temp * volts_div + volts_shift
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76 #volts_div = 10
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77 #volts_shift = 2
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78 volts_div = 1
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79 volts_shift = 0
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80
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81 volts_mult = 1.0/volts_div
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82
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83 # (title, sensorline) pairs.
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84 sensor_lines = []
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85
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86 for n, (rrdfile, sensor) in enumerate(rrds):
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87 unit = None
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88 if 'avrtemp' in sensor:
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89 continue
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90 if 'voltage' in sensor:
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91 have_volts = True
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92 vname = 'scalevolts'
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93 graph_args.append('DEF:%(vname)s=%(rrdfile)s:temp:AVERAGE:step=3600' % locals())
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94 unit = 'V'
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95 elif 'fridge_on' in sensor:
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96 vname = 'fridge_on'
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97 graph_args.append('DEF:raw%(vname)s=%(rrdfile)s:temp:LAST' % locals())
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98 graph_args.append('CDEF:%(vname)s=raw%(vname)s,-0.2,*,3,+' % locals())
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99 else:
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100 vname = 'temp%d' % n
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101 graph_args.append('DEF:raw%(vname)s=%(rrdfile)s:temp:AVERAGE' % locals())
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102 # limit max temp to 50
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103 graph_args.append('CDEF:%(vname)s=raw%(vname)s,38,GT,UNKN,raw%(vname)s,%(volts_mult)f,*,%(volts_shift)f,+,IF' % locals())
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104 unit = '<span face="Liberation Serif">ยบ</span>C'
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105
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106 format_last_value = None
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107 if unit:
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108 try:
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109 last_value = float(rrdtool.info(rrdfile)['ds[temp].last_ds'])
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110 format_last_value = ('%f' % last_value).rstrip('0').rstrip('.') + unit
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111 except ValueError:
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112 pass
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113 width = config.LINE_WIDTH
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114 legend = config.SENSOR_NAMES.get(sensor, sensor)
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115 colour = config.SENSOR_COLOURS.get(legend, colour_from_string(sensor))
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116 if format_last_value:
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117 print_legend = '%s (%s)' % (legend, format_last_value)
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118 else:
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119 print_legend = legend
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120 sensor_lines.append( (legend, 'LINE%(width)f:%(vname)s#%(colour)s:%(print_legend)s' % locals()) )
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121
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122 sensor_lines.sort(key = lambda (legend, line): "Wort" in legend)
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123
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124 graph_args += (line for (legend, line) in sensor_lines)
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125
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126 end = int(start+length)
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127 start = int(start)
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128
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129 tempf = tempfile.NamedTemporaryFile()
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130 dateformat = '%H:%M:%S %Y-%m-%d'
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131 watermark = ("Now %s\t"
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132 "Start %s\t"
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133 "End %s" % (
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134 datetime.datetime.now().strftime(dateformat),
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135 datetime.datetime.fromtimestamp(start).strftime(dateformat),
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136 datetime.datetime.fromtimestamp(end).strftime(dateformat) ))
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137
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138 args = [tempf.name, '-s', str(start),
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139 '-e', str(end),
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140 '-w', str(config.GRAPH_WIDTH),
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141 '-h', str(config.GRAPH_HEIGHT),
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142 '--slope-mode',
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143 '--border', '0',
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144 # '--vertical-label', 'Voltage',
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145 '--y-grid', '%(volts_mult)f:1' % locals(),
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146 '--dynamic-labels',
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147 '--grid-dash', '1:0',
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148 '--zoom', str(config.ZOOM),
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149 '--color', 'GRID#00000000',
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150 '--color', 'MGRID#aaaaaa',
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parents: 335
diff changeset
151 '--color', 'BACK#ffffff',
373
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parents: 369
diff changeset
152 '--disable-rrdtool-tag',
384
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parents: 383
diff changeset
153 '--pango-markup',
373
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parents: 369
diff changeset
154 '--watermark', watermark,
337
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parents: 335
diff changeset
155 '--imgformat', 'PNG'] \
335
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parents: 334
diff changeset
156 + graph_args
373
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parents: 369
diff changeset
157 args += ['--font', 'DEFAULT:12:%s' % config.GRAPH_FONT]
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parents: 369
diff changeset
158 args += ['--font', 'WATERMARK:10:%s' % config.GRAPH_FONT]
367
3db118498b97 sort out voltage logging
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parents: 362
diff changeset
159 if have_volts:
464
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parents: 458
diff changeset
160 volts_shift_div = volts_div * volts_shift
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parents: 458
diff changeset
161 args += ['--right-axis', '%(volts_div)f:-%(volts_shift_div)f' % locals(),
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parents: 458
diff changeset
162 # '--right-axis-format', '%.0lf',
379
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parents: 377
diff changeset
163 # '--right-axis-label', 'Temperature'
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parents: 377
diff changeset
164 ]
367
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diff changeset
165
489
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diff changeset
166 #print>>sys.stderr, ' '.join("'%s'" % s for s in args)
335
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diff changeset
167 rrdtool.graph(*args)
410
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diff changeset
168 #return tempf
335
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diff changeset
169 return tempf.read()
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diff changeset
170
445
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diff changeset
171 def validate_value(m):
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diff changeset
172 if m == 85:
458
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diff changeset
173 return 'U'
445
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diff changeset
174 else:
458
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diff changeset
175 return '%f' % m
424
96bec5482294 avoid bad values
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diff changeset
176
445
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diff changeset
177 def sensor_update(sensor_id, measurements):
333
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parents:
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178 try:
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diff changeset
179 open(sensor_rrd_path(sensor_id))
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parents:
diff changeset
180 except IOError, e:
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parents:
diff changeset
181 create_rrd(sensor_id)
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parents:
diff changeset
182
344
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diff changeset
183 if measurements:
445
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diff changeset
184 values = ['%d:%s' % (t, validate_value(m)) for (t, m) in measurements]
333
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parents:
diff changeset
185
344
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diff changeset
186 rrdfile = sensor_rrd_path(sensor_id)
346
d6219df77c41 main.c:
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diff changeset
187 # XXX what to do here when it fails...
355
a1aa4176ca2c update values one at a time, ignore failure
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diff changeset
188 for v in values:
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diff changeset
189 try:
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diff changeset
190 rrdtool.update(rrdfile, v)
369
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diff changeset
191 except rrdtool.error, e:
410
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diff changeset
192 print>>sys.stderr, "Bad rrdtool update '%s': %s" % (v, str(e))
355
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parents: 351
diff changeset
193 traceback.print_exc(file=sys.stderr)
339
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parents: 338
diff changeset
194
344
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diff changeset
195 # be paranoid
410
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diff changeset
196 #f = file(rrdfile)
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diff changeset
197 #os.fsync(f.fileno())
333
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parents:
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198
409
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parents: 407
diff changeset
199 def debug_file(mode='r'):
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parents: 407
diff changeset
200 return open('%s/debug.log' % config.DATA_PATH, mode)
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parents: 407
diff changeset
201
445
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diff changeset
202 def record_debug(params):
409
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parents: 407
diff changeset
203 f = debug_file('a+')
344
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diff changeset
204 f.write('===== %s =====\n' % time.strftime('%a, %d %b %Y %H:%M:%S'))
458
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diff changeset
205 json.dump(params, f, sort_keys=True, indent=4)
339
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parents: 338
diff changeset
206 f.flush()
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parents: 338
diff changeset
207 return f
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diff changeset
208
409
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parents: 407
diff changeset
209 def tail_debug_log():
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parents: 407
diff changeset
210 f = debug_file()
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parents: 407
diff changeset
211 f.seek(0, 2)
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parents: 407
diff changeset
212 size = f.tell()
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parents: 407
diff changeset
213 f.seek(max(0, size-30000))
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parents: 407
diff changeset
214 return '\n'.join(l.strip() for l in f.readlines()[-400:])
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parents: 407
diff changeset
215
381
83c83014e5e3 report raw ds18b20 values instead
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parents: 379
diff changeset
216 def convert_ds18b20_12bit(reading):
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parents: 379
diff changeset
217 value = struct.unpack('>h', binascii.unhexlify(reading))[0]
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parents: 379
diff changeset
218 return value * 0.0625
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parents: 379
diff changeset
219
400
1137f315209b use the remainder of times
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parents: 394
diff changeset
220 def time_rem(name, entries):
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parents: 394
diff changeset
221 val_ticks = int(entries[name])
401
56c32a62b0cd fix rem calculation
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parents: 400
diff changeset
222 val_rem = int(entries['%s_rem' % name])
405
d9b78a1bdd1d fix off-by-one in remainder code
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parents: 401
diff changeset
223 tick_wake = int(entries['tick_wake']) + 1
400
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parents: 394
diff changeset
224 tick_secs = int(entries['tick_secs'])
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parents: 394
diff changeset
225 return val_ticks + float(val_rem) * tick_secs / tick_wake
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parents: 394
diff changeset
226
489
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diff changeset
227 def write_current_params(current_params):
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parents: 485
diff changeset
228 out = {}
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parents: 485
diff changeset
229 out['params'] = current_params
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parents: 485
diff changeset
230 out['time'] = time.time()
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parents: 485
diff changeset
231 atomicfile.AtomicFile("%s/current_params.txt" % config.DATA_PATH).write(
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parents: 485
diff changeset
232 json.dumps(out, sort_keys=True, indent=4)+'\n')
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diff changeset
233
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diff changeset
234 def read_current_params():
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parents: 485
diff changeset
235 p = atomicfile.AtomicFile("%s/current_params.txt" % config.DATA_PATH).read()
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parents: 485
diff changeset
236 dat = json.loads(p)
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parents: 485
diff changeset
237 return dat['params']
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diff changeset
238
445
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parents: 436
diff changeset
239 def parse(params):
410
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parents: 409
diff changeset
240
910324f14fe4 - few more web tweaks. don't fsync, it's slow.
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parents: 409
diff changeset
241 start_time = time.time()
339
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parents: 338
diff changeset
242
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
243 debugf = record_debug(params)
333
298e502fdcd4 Add some web server handling
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parents:
diff changeset
244
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
245 remote_now = params['now']
333
298e502fdcd4 Add some web server handling
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parents:
diff changeset
246
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
247 time_diff = start_time - remote_now
333
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parents:
diff changeset
248
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
249 # readings is [ ({sensorname: value, ...}, time), ... ]
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parents: 436
diff changeset
250 readings = params['readings']
333
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parents:
diff changeset
251
445
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parents: 436
diff changeset
252 # measurements is {sensorname: [(time, value), ...], ...}
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parents: 436
diff changeset
253 measurements = {}
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parents: 436
diff changeset
254 for rs, t in readings:
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parents: 436
diff changeset
255 real_t = t + time_diff
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parents: 436
diff changeset
256 for s, v in rs.iteritems():
458
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parents: 445
diff changeset
257 measurements.setdefault(s, []).append((real_t, v))
367
3db118498b97 sort out voltage logging
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parents: 362
diff changeset
258
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
259 # one-off measurements here
489
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parents: 485
diff changeset
260 current_params = params['current_params']
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
261 measurements['fridge_on'] = [ (time.time(), params['fridge_on']) ]
489
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parents: 485
diff changeset
262 measurements['fridge_setpoint'] = [ (time.time(), current_params['fridge_setpoint']) ]
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parents: 485
diff changeset
263
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parents: 485
diff changeset
264 write_current_params(current_params)
425
eb685e1afcbb ui tweaks, add fridge values
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parents: 424
diff changeset
265
445
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
266 for s, vs in measurements.iteritems():
5b9dc87c988f update web to handle new style params
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parents: 436
diff changeset
267 sensor_update(s, vs)
339
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parents: 338
diff changeset
268
410
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parents: 409
diff changeset
269 timedelta = time.time() - start_time
458
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parents: 445
diff changeset
270 debugf.write("Updated sensors in %.2f secs\n" % timedelta)
339
449272fc63a3 - Debug log file for server
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parents: 338
diff changeset
271 debugf.flush()
482
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parents: 478
diff changeset
272
492
23c6cf01d237 working kinda
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parents: 489
diff changeset
273 _FIELD_DEFAULTS = {
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parents: 489
diff changeset
274 'fridge_setpoint': 16,
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parents: 489
diff changeset
275 'fridge_difference': 0.2,
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parents: 489
diff changeset
276 'overshoot_delay': 720, # 12 minutes
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parents: 489
diff changeset
277 'overshoot_factor': 1, # ยบC
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parents: 489
diff changeset
278 'disabled': False,
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parents: 489
diff changeset
279 'nowort': True,
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parents: 489
diff changeset
280 'fridge_range_lower': 3,
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parents: 489
diff changeset
281 'fridge_range_upper': 3,
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parents: 489
diff changeset
282 }
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parents: 489
diff changeset
283
482
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parents: 478
diff changeset
284 def get_params():
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parents: 478
diff changeset
285
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parents: 478
diff changeset
286 r = []
489
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parents: 485
diff changeset
287
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parents: 485
diff changeset
288 vals = read_current_params()
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diff changeset
289
482
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parents: 478
diff changeset
290 for k, v in _FIELD_DEFAULTS.iteritems():
492
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parents: 489
diff changeset
291 n = {'name': k, 'value': type(v)(vals[k])}
482
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parents: 478
diff changeset
292 if type(v) is bool:
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parents: 478
diff changeset
293 kind = 'yesno'
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parents: 478
diff changeset
294 else:
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parents: 478
diff changeset
295 kind = 'number'
483
93af94e6bd9d param editor roughly working
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parents: 482
diff changeset
296 if k == 'overshoot_delay':
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parents: 482
diff changeset
297 n['unit'] = ' sec'
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parents: 482
diff changeset
298 n['amount'] = 60
484
4a51e2bf689b a few fixes
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parents: 483
diff changeset
299 n['digits'] = 0;
483
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parents: 482
diff changeset
300 else:
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parents: 482
diff changeset
301 n['unit'] = 'ยบ'
484
4a51e2bf689b a few fixes
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parents: 483
diff changeset
302 n['amount'] = 0.1;
4a51e2bf689b a few fixes
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parents: 483
diff changeset
303 n['digits'] = 1;
482
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parents: 478
diff changeset
304 n['kind'] = kind
483
93af94e6bd9d param editor roughly working
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parents: 482
diff changeset
305 n['title'] = k
482
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diff changeset
306 r.append(n)
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307
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308 return json.dumps(r, sort_keys=True, indent=4)
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309
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310 def send_params(params):
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311 # 'templog_receive' is ignored due to authorized_keys
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312 # restrictions
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313 args = [config.SSH_PROG, '-i', config.SSH_KEYFILE,
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314 config.SSH_HOST, 'templog_receive']
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315 try:
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316 p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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317 (out, err) = p.communicate(json.dumps(params))
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318 except OSError, e:
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319 print>>sys.stderr, e
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320 return "Failed update"
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321
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322 if 'Good Update' in out:
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323 return True
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324
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325 print>>sys.stderr, "Strange return from update:"
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326 print>>sys.stderr, out
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327 return "Unexpected update result"
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328
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329 def same_type(a, b):
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330 ta = type(a)
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331 tb = type(b)
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332
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333 if ta == int:
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334 ta = float
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335 if tb == int:
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336 tb = float
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337
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338 return (ta == tb)
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339
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340 def update_params(p):
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341 params = {}
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342 for i in p:
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343 params[i['name']] = i['value']
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344
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345 if params.viewkeys() != _FIELD_DEFAULTS.viewkeys():
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346 diff = params.viewkeys() ^ _FIELD_DEFAULTS.viewkeys()
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347 return "Key mismatch, difference %s" % str(diff)
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348
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349 for k, v in params.items():
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350 if not same_type(v, _FIELD_DEFAULTS[k]):
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351 return "Bad type for %s, %s vs %s" % (k , type(v), type(_FIELD_DEFAULTS[k]))
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352
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353 ret = send_params(params)
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354 if ret is not True:
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355 return "Failed sending params: %s" % ret
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356
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357 return True
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358
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359
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360