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wxtools.py
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wxtools.py
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#!/usr/bin/python
# -*- coding: utf8 -*-
#-------------------------------------------------------------------------------
# Name: wxtools.py
# Purpose: tools for plotting
#
# Configuration options in config.py
#
# depends on: WOSPi
#
# used for:
# WOSPi by Torkel M. Jodalen <tmj@bitwrap.no>
# http://www.annoyingdesigns.com - http://www.bitwrap.no
#
# Author: Peter Lidauer <plix1014@gmail.com>
#
# Created: 05.01.2016
# Copyright: (c) Peter Lidauer 2016
# Licence: CC BY-NC-SA http://creativecommons.org/licenses/by-nc-sa/4.0/
#-------------------------------------------------------------------------------
import config
import os, sys
import subprocess
import shutil
import re
import time
from datetime import date, timedelta, datetime
#-------------------------------------------------------------------------------
# handle csv files
def daterange( start_date, end_date ):
""" iterate through date by days
https://tudorbarbu.ninja/iterate-thru-dates-in-python/
"""
if start_date <= end_date:
for n in range( ( end_date - start_date ).days + 1 ):
yield start_date + timedelta( n )
else:
for n in range( ( start_date - end_date ).days + 1 ):
yield start_date - timedelta( n )
def jump_by_month(start_date, end_date, month_step=1):
""" iterate through date by month increments
https://stackoverflow.com/questions/153584/how-to-iterate-over-a-timespan-after-days-hours-weeks-and-months-in-python
"""
current_date = start_date
while current_date < end_date:
yield current_date
carry, new_month = divmod(current_date.month - 1 + month_step, 12)
new_month += 1
current_date = current_date.replace(year=current_date.year + carry, month=new_month)
def print_dbg(level,msg):
now = time.strftime('%a %b %d %H:%M:%S %Y LT:')
if level:
print("%s %s" % (now,msg))
return
def runGnuPlot(plt, KEEP_TMP=False, LEVEL1=False, LEVEL2=False):
""" run gnuplot
TODO: parse output
"""
# full error message
re_stderr = re.compile(r'^.*,\s+(line\s+\d+):\s+(.*)')
el = 0
inFile = config.TMPPATH + 'plot' + plt + '.plt'
gnuplot = '/usr/bin/gnuplot'
if os.path.exists(gnuplot):
print_dbg(LEVEL1,"runGnuPlot: plot png " + plt)
try:
proc_out = subprocess.Popen([gnuplot, inFile], stdout=subprocess.PIPE,stderr=subprocess.PIPE)
output = proc_out.stdout.readlines()
outerr = proc_out.stderr.readlines()
for line in outerr:
m = re.search(re_stderr, line.strip())
if m:
print_dbg(True, "STDERR: %s" % line.strip())
if re.search("warning:",line):
# we ignore warning errors
pass
else:
raise ValueError('syntax or plot error in gnuplot file')
el = 1
if LEVEL2:
for n in output:
print_dbg(True, "STDOUT: %s" % n.strip())
for n in outerr:
print_dbg(True, "STDERR: %s" % n.strip())
except Exception as e:
print_dbg(True, 'WARN : GnuPlot done with exception(s): %s.' % e)
el = 1
else:
print_dbg(True,"ERROR: gnuplot command '%s' not found." % gnuplot)
el = 1
# cleanup temp files
if not KEEP_TMP:
if (os.path.isfile(inFile)):
os.unlink(inFile)
tmpFile = config.TMPPATH + 'plot' + plt + '.tmp'
if (os.path.isfile(tmpFile)):
os.unlink(tmpFile)
else:
print_dbg(LEVEL1,"tmp file not found: %s" % tmpFile)
return el
def uploadAny(inFile, DO_SCP=True, KEEP_IN=False, trans_mode='scp'):
""" copies the any file to the website
"""
SCPCOMMAND_PLOTINT = '%s -o ConnectTimeout=12 %s %s' % (trans_mode, inFile, config.SCPTARGET)
if DO_SCP:
try:
print_dbg(True, 'INFO : uploading %s.' % (inFile))
os.system(SCPCOMMAND_PLOTINT)
except Exception as e:
print_dbg(True, 'ERROR: upload %s: %s.' % (inFile,e))
if not KEEP_IN:
if (os.path.isfile(inFile)):
os.unlink(inFile)
else:
print_dbg(True, 'ERROR: cannot delete %s.' % (inFile))
return
def uploadPNG(png, DO_SCP=True, KEEP_PNG=False,trans_mode='scp'):
""" copies the png file to the website
"""
SCPCOMMAND_PLOTINT = '%s -o ConnectTimeout=12 %s %s' % (trans_mode, png, config.SCPTARGET)
if DO_SCP:
try:
print_dbg(True, 'INFO : uploading %s.' % (png))
os.system(SCPCOMMAND_PLOTINT)
except Exception as e:
print_dbg(True, 'ERROR: upload png %s: %s.' % (png,e))
if not KEEP_PNG:
if (os.path.isfile(png)):
os.unlink(png)
else:
print_dbg(True, 'ERROR: cannot delete %s.' % (png))
return
def saveTemp2CSV(outFile,toTime,SOCTEMP):
try:
fout = open(outFile, 'a')
new_rec = "%s,%s\n" % (toTime,SOCTEMP)
fout.write(new_rec)
fout.close()
except Exception as e:
print 'Exception occured in function saveTemp2CSV. Check your code: %s' % e
return
def stripNL(text):
""" remove the newline from the end of the string
"""
try:
return float(text.strip())
except AttributeError:
return float(text)
# -------------------------------------------------------------------------------------------
def main():
return
if __name__ == '__main__':
main()