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main.py
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main.py
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from flask import Flask, render_template, send_file, request
from yr.libyr import Yr
import codecs
import subprocess
#import datetime
from datetime import datetime, timedelta
import dateutil.parser
from svglib.svglib import svg2rlg
from reportlab.graphics import renderPDF, renderPM
from reportlab.graphics.shapes import Image, Drawing
from reportlab.platypus.flowables import Image
import json
app = Flask(__name__)
# @app.route('/')
# def show_template():
# return render_template('show_html.html', entries=None)
#
# print('aaaa')
# today = datetime.datetime.now().strftime("%B %d - kl %H:%M")
#
# # Open SVG to process
# output = codecs.open('static/templates/landscape.svg', 'r', encoding='utf-8').read()
#
# # Insert icons and temperatures
# output = output.replace('Today', today)
# print(today)
#
# # Write output
# codecs.open('static/after-weather.svg', 'w', encoding='utf-8').write(output)
#
# # weather = Yr(location_name='Norge/Telemark/Skien/Skien')
# # now = weather.now(as_json=True)
# # weather = Yr(location_name='Norge/Telemark/Skien/Skien', forecast_link='forecast_hour_by_hour')
# # for forecast in weather.forecast(as_json=True):
# # print(forecast)
# # print(now)
#
# return render_template('show_svg.html', entries=None)
#
# return 'Hello World from Docker! jaaaa'
def _find_time(d):
'''
Find the three hours we display wether for
:return:
'''
c = []
h = d.strftime("%H")
h = int(h)
print(h, 'h')
if (h > 21):
c = [0,6,12]
elif (h > 18):
c = [21, 3, 9]
elif (h > 15):
c = [18, 0, 6]
elif (h > 12):
c = [18, 0, 6]
elif (h > 9):
c = [12, 18, 0]
elif (h > 6):
c = [9, 15, 21]
elif (h > 3):
c = [6, 12, 18]
elif (h >= 0):
c = [3, 9, 15]
return c
def _generate_svg():
'''
Modifies the svn with the information we want
:return:
'''
print('func _generate_svg')
# @todo Add timezone as setting
d = datetime.now() + timedelta(hours=1)
today = d.strftime("%A %d.%m - kl %H:%M:%S")
# Open SVG to process
output = codecs.open('static/templates/landscape.svg', 'r', encoding='utf-8').read()
# Insert icons and temperatures
output = output.replace('Today', today)
# Set times
t = _find_time(d)
print('t', t)
output = output.replace('Time_0', "%i%s" % ((t[0]),':00'))
output = output.replace('Time_1', "%i%s" % ((t[1]),':00'))
output = output.replace('Time_2', "%i%s" % ((t[2]),':00'))
forecasts = []
#weather = Yr(location_name='Norge/Telemark/Skien/Skien')
#now = weather.now(as_json=True)
weather = Yr(location_name='Norge/Telemark/Skien/Skien', forecast_link='forecast_hour_by_hour')
for forecast in weather.forecast(as_json=True):
f = json.loads(forecast)
yourdate = dateutil.parser.parse(f['@from'])
#print('aaa2', yourdate.hour)
if yourdate.hour in t:
forecasts.append(f)
# Insert temperature
output = output.replace('Temp_0', "%s%s" % (forecasts[0]['temperature']['@value'], '°C'))
output = output.replace('Temp_1', "%s%s" % (forecasts[1]['temperature']['@value'], '°C'))
output = output.replace('Temp_2', "%s%s" % (forecasts[2]['temperature']['@value'], '°C'))
print('forecasts 0', forecasts[0])
print('forecasts 1', forecasts[1])
print('forecasts 2', forecasts[2])
# Insert symbols
n = forecasts[0]['symbol']['@var']
s = "static/symbols/%s.svg" % (n)
symbol = codecs.open(s, 'r', encoding='utf-8').read()
symbol = symbol.replace('viewBox="0 0 100 100"', "%s" % ('viewBox="0 0 800 600"'))
output = output.replace('<text>Icon_1</text>', "%s" % (symbol))
print('s', s)
n = forecasts[1]['symbol']['@var']
s = "static/symbols/%s.svg" % (n)
symbol = codecs.open(s, 'r', encoding='utf-8').read()
symbol = symbol.replace('viewBox="0 0 100 100"', "%s" % ('viewBox="0 0 800 600"'))
output = output.replace('<text>Icon_2</text>', "%s" % (symbol))
print('s', s)
n = forecasts[1]['symbol']['@var']
s = "static/symbols/%s.svg" % (n)
symbol = codecs.open(s, 'r', encoding='utf-8').read()
symbol = symbol.replace('viewBox="0 0 100 100"', "%s" % ('viewBox="0 0 800 600"'))
output = output.replace('<text>Icon_3</text>', "%s" % (symbol))
print('s', s)
#output = output.replace('<text>Icon_1</text>', "%s" % (symbol))
# for idx, val in enumerate(t):
# print(idx, val)
print('find time, ', t)
# Write output
filename = 'static/after-weather.svg'
codecs.open(filename, 'w', encoding='utf-8').write(output)
return filename
@app.route('/index.png')
@app.route('/weather-script-output.png')
def show_png():
debug = request.args.get('debug', '')
svg = _generate_svg()
# Disse som brukes
drawing = svg2rlg(svg)
renderPM.drawToFile(drawing, "static/image.png", fmt='png')
# Rotate
if not debug:
drawing.translate(0, 800)
drawing.rotate(-90)
d = Drawing(600, 800)
d.add(drawing)
drawing = d
renderPM.drawToFile(drawing, "static/image.png", fmt='png')
# Make png compatible with Kindle
subprocess.call('/usr/local/bin/pngcrush -q -c 0 static/image.png static/image2.png > /dev/null 2>&1', shell=True)
return send_file("static/image2.png", mimetype='image/png')
@app.route('/weather.svg')
def show_svg():
debug = request.args.get('debug', '')
filename = _generate_svg()
return send_file(filename, mimetype='image/svg+xml')
@app.route('/')
def show_index():
return render_template('show_html.html', entries=None)
if __name__ == '__main__':
app.run(host='0.0.0.0', debug=True)