vanlogger: graph.py annotate

annotate graph.py @ 16:29a61ec4755b

Use correct variable name when saving a file

author	Daniel O'Connor <darius@dons.net.au>
date	Fri, 23 Feb 2018 15:04:59 +1030
parents	c04c75360a3b
children	57dece5674e3

rev	line source
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 #!/usr/bin/env python
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 import argparse
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 import datetime
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 import dateutil
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 import exceptions
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	7 import matplotlib
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	8 import matplotlib.dates
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9 import numpy
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	10 import os
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11 import requests
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 import sqlite3
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 import tzlocal
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15 class Column(object):
8 30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	16 def __init__(self, rowname, title, table, units, limits = (None, None), conv = None, annofn = None):
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 self.rowname = rowname
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 self.title = title
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19 self.table = table
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20 self.units = units
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 self.limits = limits
8 30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	22 self.conv = conv
30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	23 self.annofn = annofn
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25 columns = [
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26 Column('main_voltage', 'Battery Voltage', 'eprolog', 'Vdc'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27 Column('aux_voltage', 'Aux Voltage', 'eprolog', 'Vdc'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 Column('battery_curr', 'Battery Current', 'eprolog', 'A'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29 Column('amp_hours', 'Battery Amp Hours', 'eprolog', 'Ah'),
8 30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	30 Column('state_of_charge', 'State of Charge', 'eprolog', '%', (0, 100), annofn = lambda xdata, ydata: 'DoD: %.1f' % (100 - ydata.min())),
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 Column('time_remaining', 'Time Remaining', 'eprolog', 'min'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 Column('battery_temp', 'Battery Temperature', 'eprolog', 'C'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34 Column('ac_act_power', 'Active Power', 'giantlog', 'W'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35 Column('ac_app_power', 'Apparent Power', 'giantlog', 'W'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36 Column('ac_frequency', 'AC Frequency', 'giantlog', 'Hz'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 Column('ac_volts', 'AC Voltage', 'giantlog', 'Vac'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 Column('batt_chr_curr', 'Discharge Current', 'giantlog', 'A'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39 Column('batt_dis_curr', 'Charge Current', 'giantlog', 'A'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 Column('battery_cap', 'Battery Capacity', 'giantlog', '%', (0, 100)),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 Column('battery_volts', 'Battery Voltage', 'giantlog', 'Vdc'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42 Column('grid_frequency', 'Grid Frequency', 'giantlog', 'Hz'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 Column('grid_volts', 'Grid Voltage', 'giantlog', 'Vac'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 Column('hs_temperature', 'HS Temperature', 'giantlog', 'C'),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45 Column('load_pct', 'Load', 'giantlog', '%', (0, 100)),
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46 ]
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	47
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	48 def valid_date(s):
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 try:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50 return datetime.datetime.strptime(s, "%Y-%m-%d")
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 except ValueError:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 raise argparse.ArgumentTypeError("Not a valid date: '{0}'.".format(s))
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54 def main():
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 parser = argparse.ArgumentParser()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56 parser.add_argument('-f', '--filename', help = 'Path to database', type = str, required = True)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	57 parser.add_argument('-g', '--graphfn', help = 'File to write graph to', type = str)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	58 parser.add_argument('-d', '--days', help = 'Days ago to graph', type = int)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	59 parser.add_argument('-s', '--start', help = 'Start date for graph (YYYY-MM-DD)', type = valid_date)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	60 parser.add_argument('-e', '--end', help = 'End date for graph (YYYY-MM-DD)', type = valid_date)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	61 parser.add_argument('-c', '--column', help = 'Column to plot (can be specified multiple times)', type = str, action = 'append')
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	62 parser.add_argument('-z', '--timezone', help = 'Timezone to operate in in (Oslon format) default: localtime)', type = str)
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	63
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	64 args = parser.parse_args()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	65
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 if args.days is not None and args.days < 0:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	67 parser.error('days must be non-negative')
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	68
11 e1bec6dfd524 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 10 diff changeset	69 selector = [args.start is not None, args.end is not None, args.days is not None]
14 aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	70 if selector == [True, True, False]: # Start and end
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 pass
14 aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	72 elif selector == [True, False, True] or selector == [True, False, False]: # Start and days or start
11 e1bec6dfd524 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 10 diff changeset	73 if args.days == None:
e1bec6dfd524 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 10 diff changeset	74 args.days = 1
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	75 args.end = args.start + datetime.timedelta(days = args.days)
14 aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	76 elif selector == [False, True, True] or selector == [False, True, False]: # End and days or end
11 e1bec6dfd524 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 10 diff changeset	77 if args.days == None:
e1bec6dfd524 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 10 diff changeset	78 args.days = 1
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	79 args.start = args.end - datetime.timedelta(days = args.days)
14 aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	80 elif selector == [False, False, True]: # Days
aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	81 args.end = datetime.date.today() + datetime.timedelta(days = 1)
aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	82 args.end = datetime.datetime(args.end.year, args.end.month, args.end.day)
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	83 args.start = args.end - datetime.timedelta(days = args.days)
14 aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	84 elif selector == [False, False, False]: # Nothing
aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	85 args.start = datetime.date.today()
aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	86 args.start = datetime.datetime(args.start.year, args.start.month, args.start.day)
aa18210c2703 Improve start/end/days handling Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	87 args.end = args.start + datetime.timedelta(days = 1)
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	88 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	89 parser.error('can\'t specify days, start and end simultaneously')
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	90
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	91 if args.start >= args.end:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	92 parser.error('Start must be before end')
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	93
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	94 cols = args.column
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	95 if cols == None:
10 3f5b617b4715 Change default columns to be more useful Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	96 cols = ['state_of_charge', 'load_pct', 'main_voltage', 'aux_voltage']
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	97
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	98 dbh = sqlite3.connect(args.filename, detect_types = sqlite3.PARSE_DECLTYPES)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	99 cur = dbh.cursor()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	100
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	101 # Get local timezone name and convert start/end to it
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	102 # Why is this so hard...
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	103 if args.timezone is None:
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	104 args.timezone = tzlocal.get_localzone().zone
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	105
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	106 lt = dateutil.tz.gettz(args.timezone)
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	107 if lt == None:
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	108 parser.error('Unknown timezone')
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	109
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	110 utc = dateutil.tz.gettz('UTC')
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	111 matplotlib.rcParams['timezone'] = args.timezone
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	112
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	113 if args.start.tzinfo == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	114 args.start = args.start.replace(tzinfo = lt)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	115 if args.end.tzinfo == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	116 args.end = args.end.replace(tzinfo = lt)
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	117 graph(args.graphfn, cur, cols, args.start, args.end, lt, utc)
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	118
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	119 def graph(fname, cur, _cols, start, end, lt, utc):
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	120 import numpy
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	121 import matplotlib
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	122 import matplotlib.dates
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	123
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	124 startepoch = int(start.strftime('%s'))
3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	125 endepoch = int(end.strftime('%s'))
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	126
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	127 colourlist = ['b','g','r','c','m','y','k']
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	128
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	129 cols = []
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	130
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	131 yaxisunits1 = None
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	132 yaxisunits2 = None
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	133 ax1lines = []
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	134 ax2lines = []
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	135 colouridx = 0
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	136 for col in _cols:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	137 # Check the column exists
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	138 for c in columns:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	139 if col == c.rowname:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	140 cols.append(c)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	141 break
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	142 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	143 raise exceptions.Exception('Unknown column name ' + c)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	144
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	145 # Work out what axes we are using
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	146 if yaxisunits1 == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	147 yaxisunits1 = c.units
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	148 if yaxisunits2 == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	149 if c.units != yaxisunits1:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	150 yaxisunits2 = c.units
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	151 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	152 if c.units != yaxisunits1 and c.units != yaxisunits2:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	153 raise exceptions.Exception('Asked to graph >2 different units')
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	154
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	155 for c in cols:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	156 # Get the data
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	157 cur.execute('SELECT tstamp, ' + c.rowname + ' FROM ' + c.table + ' WHERE tstamp > ? AND tstamp < ? ORDER BY tstamp',
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	158 (startepoch, endepoch))
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	159 ary = numpy.array(cur.fetchall())
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	160 if ary.shape[0] == 0:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	161 print('No data for ' + c.rowname)
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	162 continue
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	163
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	164 # Convert epoch stamp to datetime with UTC timezone
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	165 c.xdata = map(lambda f: datetime.datetime.utcfromtimestamp(f).replace(tzinfo = utc), ary[:,0])
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	166 c.ydata = ary[:,1]
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	167 if c.conv != None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	168 c.ydata = map(c.conv, c.ydata)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	169
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	170 scale_min, scale_max = c.limits
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	171
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	172 # DoD?
8 30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	173 if c.annofn != None:
30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	174 c.annotation = c.annofn(c.xdata, c.ydata)
30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	175 else:
30e7adf283ca Add depth of discharge annotation when plotting state_of_charge Daniel O'Connor <darius@dons.net.au> parents: 4 diff changeset	176 c.annotation = None
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	177
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	178 # Work out which axis to plot on
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	179 if c.units == yaxisunits1:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	180 ax = ax1lines
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	181 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	182 ax = ax2lines
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	183 c.colour = colourlist[colouridx]
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	184 colouridx += 1
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	185 ax.append(c)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	186
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	187 if len(ax1lines) == 0 and len(ax2lines) == 0:
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	188 print('Nothing to plot')
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	189 return
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	190
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	191 # Load the right backend for display or save
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	192 if fname == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	193 import matplotlib.pylab
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	194 fig = matplotlib.pylab.figure()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	195 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	196 import matplotlib.backends.backend_agg
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	197 fig = matplotlib.figure.Figure(figsize = (12, 6), dpi = 75)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	198
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	199 # Do the plot
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	200 ax1 = fig.add_subplot(111)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	201 ax1.set_ylabel(yaxisunits1)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	202
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	203 annotations = []
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	204 for line in ax1lines:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	205 ax1.plot(line.xdata, line.ydata, label = line.title, color = line.colour)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	206 if line.limits[0] != None or line.limits[1] != None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	207 ax1.set_ylim(line.limits[0], line.limits[1])
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	208 if line.annotation != None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	209 annotations.append(line.annotation)
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	210 ax1.legend(loc = 'center left')
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	211
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	212 if len(ax2lines) > 0:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	213 ax2 = ax1.twinx()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	214 ax2.set_ylabel(yaxisunits2)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	215
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	216 for line in ax2lines:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	217 ax2.plot(line.xdata, line.ydata, label = line.title, color = line.colour)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	218 if line.limits[0] != None or line.limits[1] != None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	219 ax2.set_ylim(line.limits[0], line.limits[1])
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	220 if line.annotation != None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	221 annotations.append(line.annotation)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	222
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	223 ax2.legend(loc = 'center right')
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	224
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	225 if len(annotations) > 0:
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	226 ax1.text(0.02, 0.3, reduce(lambda a, b: a + '\n' + b, annotations),
9 899bc9c22787 Tweak annotation to be out of the way Daniel O'Connor <darius@dons.net.au> parents: 8 diff changeset	227 transform = ax1.transAxes, bbox = dict(facecolor = 'blue', alpha = 0.5),
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	228 ha = 'left', va = 'top')
13 3f22fa1f32d5 Twiddle with start/end passing, add option for overriding local time zone. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	229 ndays = int(max(1, round(((end - start).total_seconds()) / 86400)))
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	230 once = False
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	231 for ax in fig.get_axes():
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	232 if not once:
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	233 once = True
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	234 if ndays > 1:
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	235 ax.set_title('%s to %s' % (start.astimezone(lt).strftime('%Y-%m-%d'), end.astimezone(lt).strftime('%Y-%m-%d')))
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	236 else:
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	237 ax.set_title('%s' % (start.astimezone(lt).strftime('%Y-%m-%d')))
c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	238 ax.set_xlim([start.astimezone(utc), end.astimezone(utc)])
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	239 ax.xaxis.grid(True)
15 c04c75360a3b Fix timezone screw up. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	240 ax.xaxis.axis_date(lt)
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	241 ax.xaxis.set_major_formatter(matplotlib.dates.DateFormatter('%d %b\n%H:%M'))
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	242 ax.xaxis.set_major_locator(matplotlib.dates.HourLocator(interval = 2 * ndays))
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	243 ax.xaxis.set_minor_locator(matplotlib.dates.MinuteLocator(interval = 5 * ndays))
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	244 for label in ax.get_xticklabels():
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	245 label.set_ha('center')
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	246 label.set_rotation(90)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	247
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	248 # Fudge margins to give more graph and less space
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	249 fig.subplots_adjust(left = 0.10, right = 0.88, top = 0.95, bottom = 0.15)
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	250 if fname == None:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	251 matplotlib.pyplot.show()
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	252 else:
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	253 canvas = matplotlib.backends.backend_agg.FigureCanvasAgg(fig) # Sets canvas in fig too
16 29a61ec4755b Use correct variable name when saving a file Daniel O'Connor <darius@dons.net.au> parents: 15 diff changeset	254 fig.savefig(end.strftime(fname))
4 a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	255
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	256 if __name__ == '__main__':
a7e9775b33f6 Add graph script based on AGL code (but better) Daniel O'Connor <darius@dons.net.au> parents: diff changeset	257 main()

Mercurial > ~darius > hgwebdir.cgi > vanlogger

annotate graph.py @ 16:29a61ec4755b