def binary_search(bfun, seekval, lines, low = 0, high=None):
seekval = "%s,%.2f,%.02f\n" % (time.strftime(pconfig.dformat(), time.localtime(seekval)), 0.0, 0.0)
high = high if high is not None else len(lines)
pos = bfun(lines, seekval, low, high)
pos = (pos if pos != high else high -1)
return pos
def write_gpcfg(width, height, uid_fbase, cfg):
timeformat = pconfig.dformat()
hmin = float(cfg.get("settings", "humidity_min"))
hmax = float(cfg.get("settings", "humidity_max"))
tmax = float(cfg.get("settings", "temperature_max"))
# set format x "%%d/%%m\n%%H:%%M"
gpcfg = """
set terminal svg size %d,%d dashed linewidth 0.7
#set output '%s.svg'
set bmargin 4.0
set key right top
set yrange [%f:%f]
set y2range [*:%f]
set datafile separator ","
set timefmt '%s'
set xdata time
set ytics 5 nomirror tc rgb "blue"
set ylabel 'Humidity' tc rgb "blue"
set y2tics 1 nomirror tc rgb "red"
set y2label 'Temperature' tc rgb "red"
plot '%s.tdata' \
using 1:2 with lines lt 1 linecolor rgb "blue" title 'Humidity %%', \
'' using 1:3 with lines lt 1 linecolor rgb "red" title 'Degrees Celsius' axes x1y2 , \
%f with lines lt 3 linecolor rgb "blue" title "Humidity limits", \
%f with lines lt 3 linecolor rgb "blue" title "", \
%f with lines lt 3 linecolor rgb "red" title "Temperature max" axes x1y2
""" % (
width,
height,
uid_fbase,
hmin - 10,
hmax + 10,
tmax + 1.5,
timeformat,
uid_fbase,
hmin,
hmax,
tmax,
)
gpcfgfn = "%s.gp" % uid_fbase
with open(gpcfgfn, "w") as gpfo:
gpfo.write(gpcfg)
def main(argv=None):
cfg = pconfig.read('rb_preserve.cfg')
ddir = cfg.get('settings', 'data_dir')
timeformat = pconfig.dformat();
pwd = os.path.dirname(os.path.realpath(__file__))
#sample sensor
humidity = None
temperature = None
while humidity == None and temperature == None:
humidity, temperature = poll()
# see if
tmpfn = os.path.join(cfg.get('settings', 'tmp_dir'), "intermediary.data")
if os.path.exists(tmpfn):
with open(tmpfn, 'r') as pd:
lines = pd.readlines()
else:
lines = []
lines.append("%.2f,%.02f\n" % (humidity, temperature))
if len(lines) >= int(cfg.get('settings', 'sample_period')):
avg_hum, avg_temp = condense(lines)
warning_test(avg_hum, avg_temp, cfg)
lines = [] # zerro tmp file
#store in persistent file
pfname = "%s/%s/%s.data" % (pwd, ddir, time.strftime(pconfig.dfilename_fmt()))
pstr = "%s,%.2f,%.02f\n" % (time.strftime(timeformat), avg_hum, avg_temp)
with open(pfname, "a") as outfile:
outfile.write(pstr)
#overwrite existing tmp file with current data
with open(tmpfn, 'w') as pd:
pd.write("".join(lines))
def _l2secs(line):
tl = line.split(',')[0]
return time.mktime(time.strptime(tl, pconfig.dformat()))
def webreq(form):
cfg = pconfig.read('rb_preserve.cfg')
#default time is past 24 hours
firstvalue, lastvalue = plot.data_span()
tend = lastvalue
deftimeview = 60*60*int(cfg.get('settings', 'default_view_hours'))
timeformat = pconfig.dformat()
getvals = {
'begin': time.strftime(timeformat, time.localtime(tend - deftimeview)),
'end': time.strftime(timeformat, time.localtime(tend)),
'width': 960,
'height' : 720,
'origin' : ""
}
for k,v in getvals.iteritems():
getvals[k] = cond_read(k, v, form)
#try parsing string values
try:
getvals['end'] = time.mktime(time.strptime(getvals['end'], timeformat))
except:
getvals['end'] = tend
try:
getvals['begin'] = time.mktime(time.strptime(getvals['begin'], timeformat))
except:
getvals['begin'] = tend - deftimeview
# test that begin is before end
if getvals['begin'] >= getvals['end']:
if getvals['origin'] == "end":
getvals['begin'] = getvals['end'] - deftimeview
elif getvals['end'] >= tend:
getvals['begin'] = tend - deftimeview
getvals['end'] = tend
else:
getvals['end'] = getvals['begin'] + deftimeview
if getvals['end'] >= tend:
getvals['end'] = tend
elif getvals['end'] <= firstvalue:
getvals['end'] = firstvalue + deftimeview
getvals['begin'] = firstvalue
if getvals['begin'] < firstvalue:
getvals['begin'] = firstvalue
return plot.draw_svg(getvals['begin'], getvals['end'],
int(getvals['width']), int(getvals['height'])).replace("</svg>","""
<script type="text/javascript">
top.max_secs = function(){return %f;};
top.show_range();
top.set_time_pickers(%f, %f);
</script>
</svg>""" % (lastvalue *1000, getvals['begin']*1000, getvals['end']*1000))
