Mercurial > templog
comparison web/log.py @ 373:1f530c97c053
more graph fiddling
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 26 Jun 2012 23:34:36 +0800 |
parents | dc9d63e2fd7a |
children | a8ff20f15734 |
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370:aaa94f90eaa1 | 373:1f530c97c053 |
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8 import tempfile | 8 import tempfile |
9 import time | 9 import time |
10 import syslog | 10 import syslog |
11 import sqlite3 | 11 import sqlite3 |
12 import traceback | 12 import traceback |
13 import datetime | |
13 from colorsys import hls_to_rgb | 14 from colorsys import hls_to_rgb |
14 | 15 |
15 import config | 16 import config |
16 | 17 |
17 def sensor_rrd_path(s): | 18 def sensor_rrd_path(s): |
69 width = config.LINE_WIDTH | 70 width = config.LINE_WIDTH |
70 legend = config.SENSOR_NAMES.get(sensor, sensor) | 71 legend = config.SENSOR_NAMES.get(sensor, sensor) |
71 colour = config.SENSOR_COLOURS.get(legend, colour_from_string(sensor)) | 72 colour = config.SENSOR_COLOURS.get(legend, colour_from_string(sensor)) |
72 graph_args.append('LINE%(width)f:%(vname)s#%(colour)s:%(legend)s' % locals()) | 73 graph_args.append('LINE%(width)f:%(vname)s#%(colour)s:%(legend)s' % locals()) |
73 | 74 |
75 end = int(start+length) | |
76 start = int(start) | |
77 | |
74 tempf = tempfile.NamedTemporaryFile() | 78 tempf = tempfile.NamedTemporaryFile() |
75 args = [tempf.name, '-s', str(int(start)), | 79 dateformat = '%H:%M:%S %Y-%m-%d' |
76 '-e', str(int(start+length)), | 80 watermark = ("Now %s\t" |
81 "Start %s\t" | |
82 "End %s" % ( | |
83 datetime.datetime.now().strftime(dateformat), | |
84 datetime.datetime.fromtimestamp(start).strftime(dateformat), | |
85 datetime.datetime.fromtimestamp(end).strftime(dateformat) )) | |
86 | |
87 args = [tempf.name, '-s', str(start), | |
88 '-e', str(end), | |
77 '-w', str(config.GRAPH_WIDTH), | 89 '-w', str(config.GRAPH_WIDTH), |
78 '-h', str(config.GRAPH_HEIGHT), | 90 '-h', str(config.GRAPH_HEIGHT), |
79 '--slope-mode', | 91 '--slope-mode', |
80 '--border', '0', | 92 '--border', '0', |
81 '--vertical-label', 'Temperature', | 93 '--vertical-label', 'Temperature', |
82 '--y-grid', '1:1', | 94 '--y-grid', '1:1', |
83 '--grid-dash', '1:0', | 95 '--grid-dash', '1:0', |
84 '--color', 'GRID#00000000', | 96 '--color', 'GRID#00000000', |
85 '--color', 'MGRID#aaaaaa', | 97 '--color', 'MGRID#aaaaaa', |
86 '--color', 'BACK#ffffff', | 98 '--color', 'BACK#ffffff', |
99 '--disable-rrdtool-tag', | |
87 'VRULE:%d#ee0000' % time.time(), | 100 'VRULE:%d#ee0000' % time.time(), |
101 '--watermark', watermark, | |
88 '--imgformat', 'PNG'] \ | 102 '--imgformat', 'PNG'] \ |
89 + graph_args | 103 + graph_args |
90 args += ['--font', 'DEFAULT:11:%s' % config.GRAPH_FONT] | 104 args += ['--font', 'DEFAULT:12:%s' % config.GRAPH_FONT] |
91 args += ['--font', 'WATERMARK:6:%s' % config.GRAPH_FONT] | 105 args += ['--font', 'WATERMARK:10:%s' % config.GRAPH_FONT] |
92 if have_volts: | 106 if have_volts: |
93 args += ['--right-axis', '0.1:2', # matches the scalevolts CDEF above | 107 args += ['--right-axis', '0.1:2', # matches the scalevolts CDEF above |
94 '--right-axis-format', '%.2lf', | 108 '--right-axis-format', '%.2lf', |
95 '--right-axis-label', 'Voltage'] | 109 '--right-axis-label', 'Voltage'] |
96 | 110 |