eskp-app/1.0: eskp.py@ee422f2e89c1

     1 # -*- coding: utf-8 -*-

     2 #!/usr/bin/env python

     3 import logging

     5 import os

     6 import codecs

     7 import vobject

     8 import StringIO

    10 import qrcode

    12 from docutils.core import publish_parts

    13 from flask import Flask

    14 from flask import render_template

    15 from flask import request

    16 from flask_babel import gettext as _

    17 from flask_babel import Babel

    18 from config import LANGUAGES

    20 import base64

    22 LANGUAGE_SELECTED = "de"

    23 # ToDo after engelish is implemented set LANGUAGE_SELECTED = None

    25 # We need the path of this file to find templates to translate

    26 ESKP_PATH = os.path.dirname(os.path.abspath(__file__))

    27 logging.basicConfig(filename=os.path.join(ESKP_PATH, 'eskp-app.log'), level=logging.DEBUG)

    28 FILES= os.listdir(os.path.join(ESKP_PATH, 'static/images/uvmap'))

    30 app = Flask(__name__)

    31 babel = Babel(app)

    33 app.config['BABEL_DEFAULT_LOCALE'] = 'de'

    36 def get_vcard(filename):

    37     filename = os.path.join(ESKP_PATH, filename)

    38     with codecs.open(filename, 'r', 'utf-8') as f:

    39         vcard = f.read()

    40     return vobject.readOne(vcard)

    43 def get_content(filename, overrides=None):

    44     content = u""

    45     filename = os.path.join(ESKP_PATH, filename)

    46     if os.path.isfile(filename):

    47         with codecs.open(filename, 'r', 'utf-8') as f:

    48             rst_data = f.read()

    49         content = publish_parts(rst_data, writer_name='html', settings_overrides=overrides)['html_body']

    50     return content

    53 def get_newest_date():

    54     getdates = get_valid_dates(FILES)

    55     newest_date = getdates[-1]

    57     return newest_date

    60 def get_topmenue():

    61     newest_date = get_newest_date()

    62     menue = [

    63         ('/ozoneloss', _(u'Ozoneloss'),

    64          (('/ozoneloss', _(u'overview')),

    65           ('/ozoneloss/clams/2020', _(u'calculations')),

    66           ('/ozoneloss/vpsc/2020', _(u'estimations')),

    67           ('/ozoneloss/uvmap/' + newest_date, _(u'uv index map')),

    68           ('/ozoneloss/uvi', _(u'uv increase')),

    69           ('/ozoneloss/decadal', _(u'decadal')))),

    70         ('/eskp', _(u'ESKP'), (None, None)),

    71         ('/iek-7', _(u'IEK-7'), (None, None))

    72     ]

    73     return menue

    76 app.jinja_env.globals.update(get_topmenue=get_topmenue)

    79 def get_o3lossclams_dates():

    80     menue = [

    81         ('/ozoneloss/clams/2020', _(u'2020')),

    82         ('/ozoneloss/clams/2019', _(u'2019')),

    83         ('/ozoneloss/clams/2018', _(u'2018')),

    84         ('/ozoneloss/clams/2017', _(u'2017')),

    85         ('/ozoneloss/clams/2016', _(u'2016')),

    86         ('/ozoneloss/clams/2015', _(u'2015')),

    87         ('/ozoneloss/clams/2012', _(u'2012')),

    88         ('/ozoneloss/clams/2011', _(u'2011')),

    89         ('/ozoneloss/clams/2010', _(u'2010')),

    90     ]

    91     return menue

    94 def get_valid_dates(files):

    95     dates = []

    97     for file in files:

    98         if file.endswith('.png') and file.find('uvi') >= 0:

    99             date = file[-12:-6]

   100             dates.append(date)

   101     dates.sort()

   102     for date in dates:

   103         i = 0

   104         for param in ['uvi', 'o3col', 'do3col']:

   105             testfile = 'clams_' + param + '_' + date + '12.png'

   106             if files.count(testfile) > 0:

   107                 i = i + 1

   108         if i <> 3:

   109             dates.remove(date)

   110     return dates

   113 def get_o3lossuvmap_dates(date_show):

   114     dates = get_valid_dates(FILES)

   115     ndates = len(dates)

   116     ind = dates.index(date_show)

   117     navitexts = []

   118     if ind ==0 :

   119         chosendates = [dates[ind+1]]

   120         navitexts.append('next ->')

   122     elif ind >= ndates - 1:

   123         chosendates= [dates[ind-1]]

   124         navitexts.append('<- prev')

   125     else:

   126         chosendates = [dates[ind-1], dates[ind+1]]

   127         navitexts.append('<- prev')

   128         navitexts.append('next ->')

   129     menue = []

   131     for i in range(len(chosendates)):

   132         date = chosendates[i]

   133         navitext = navitexts[i]

   134         menue.append(('/ozoneloss/uvmap/' + date, _(navitext)))

   135     return menue

   138 def get_vpsc_dates():

   139     menue = [

   140         ('/ozoneloss/vpsc/2020', _(u'2020')),

   141         ('/ozoneloss/vpsc/2019', _(u'2019')),

   142         ('/ozoneloss/vpsc/2018', _(u'2018')),

   143         ('/ozoneloss/vpsc/2017', _(u'2017')),

   144         ('/ozoneloss/vpsc/2016', _(u'2016')),

   145         ('/ozoneloss/vpsc/2015', _(u'2015')),

   146         ('/ozoneloss/vpsc/2014', _(u'2014')),

   147         ('/ozoneloss/vpsc/2013', _(u'2013')),

   148         ('/ozoneloss/vpsc/2012', _(u'2012')),

   149         ('/ozoneloss/vpsc/2011', _(u'2011')),

   150         ('/ozoneloss/vpsc/2010', _(u'2010')),

   151     ]

   152     return menue

   155 app.jinja_env.globals.update(get_o3lossclams_dates=get_o3lossclams_dates)

   156 app.jinja_env.globals.update(get_vpsc_dates=get_vpsc_dates)

   157 app.jinja_env.globals.update(get_o3lossuvmap_dates=get_o3lossuvmap_dates)

   160 def modal_info(template, act, title, filename):

   161     content = get_content(filename)

   162     html = render_template(template, act=act, title=title, content=content, exit=_(u"Close"))

   163     return html

   166 @babel.localeselector

   167 def get_locale():

   168     requested_language = request.accept_languages.best_match(LANGUAGES.keys())

   169     if requested_language in ("de", "en"):

   170         return requested_language or "de"

   172 @app.route("/")

   173 @app.route("/index")

   174 def index():

   175     return render_template("/index.html",

   176                            eskp_info=_(u'About ESKP'),

   177                            )

   180 @app.route('/ozoneloss/clams/<year>')

   181 def ozoneloss_clams_year(year):

   182     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_clams.rst")

   183     content = get_content(filename)

   184     return render_template("/ozoneloss_clams.html", act="ozoneloss/clams/%s" % year, content=content, year=year)

   187 @app.route('/ozoneloss/uvmap/<date>')

   188 def ozoneloss_uvmap_date(date):

   189     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvmap.rst")

   190     content = get_content(filename)

   191     return render_template("/ozoneloss_uvmap.html", act="ozoneloss/uvmap/%s" % date, content=content, date=date)

   194 @app.route('/ozoneloss/vpsc/<year>')

   195 def ozoneloss_vpsc_year(year):

   196     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_vpsc.rst")

   197     content = get_content(filename)

   198     filename = os.path.join("templates", get_locale(), "rst", "explanation_vpsc.rst")

   199     explanation = get_content(filename)

   201     return render_template("/ozoneloss_vpsc.html", act="ozoneloss/vpsc/%s" % year, content=content,

   202                            content_explanation=explanation, year=year)

   205 @app.route('/de')

   206 def de():

   207     global LANGUAGE_SELECTED

   208     LANGUAGE_SELECTED = "de"

   209     return render_template("/index.html",

   210                            eskp_info=_(u'About ESKP'),

   211                            )

   214 @app.route('/en')

   215 def en():

   216     global LANGUAGE_SELECTED

   217     LANGUAGE_SELECTED = "en"

   218     return render_template("/index.html",

   219                            eskp_info=_(u'About ESKP'),

   220                            )

   223 @app.route("/eskp")

   224 def eskp():

   225     filename = os.path.join("templates", get_locale(), "rst", "eskp.rst")

   226     content = get_content(filename)

   227     filename = os.path.join("templates", get_locale(), "rst", "eskp_title.rst")

   228     headline = get_content(filename)

   229     return render_template("/eskp.html", act="eskp", content=content, headline=headline)

   232 def qr_image_data(card):

   233     buf = StringIO.StringIO()

   234     qr = qrcode.QRCode(

   235         version=1,

   236         error_correction=qrcode.constants.ERROR_CORRECT_L,

   237         box_size=2,

   238         border=2,

   239     )

   240     qr.add_data(card.serialize())

   241     qr.make(fit=True)

   242     img = qr.make_image()

   243     img.save(buf)

   244     image = buf.getvalue()

   245     return base64.b64encode(image)

   248 @app.route("/ozoneloss")

   249 def ozoneloss():

   250     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss.rst")

   251     content = get_content(filename)

   253     vcard_file = os.path.join("vcards", "jug.vcf")

   254     author = u""

   256     try:

   257         card = get_vcard(vcard_file)

   258     except IOError:

   259         card = None

   260     if card is not None:

   261         qr_image = qr_image_data(card)

   262         author = render_template("/author_info.html", act="author", title=_(u"Ozoneloss"),

   263                                  card=card, image=qr_image, contact=_(u"Contact"), exit=_(u"Close"))

   265     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_publications.rst")

   266     publications = modal_info("/publications_info.html", "publications", _(u"Ozoneloss"), filename)

   267     return render_template("/ozoneloss.html", act="ozoneloss", content=content,

   268                            author=author, card=card, publications=publications)

   271 @app.route("/ozoneloss/clams")

   272 def ozoneloss_clams():

   273     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_clams.rst")

   274     content = get_content(filename)

   275     return render_template("/ozoneloss_clams.html", act="ozoneloss/clams", content=content)

   278 @app.route("/ozoneloss/uvmap")

   279 def ozoneloss_uvmap():

   280     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvmap.rst")

   281     content = get_content(filename)

   282     return render_template("/ozoneloss_uvmap.html", act="ozoneloss/uvmap", content=content)

   285 @app.route("/ozoneloss/vpsc")

   286 def ozoneloss_vpsc():

   287     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_vpsc.rst")

   288     content = get_content(filename)

   289     return render_template("/ozoneloss_vpsc.html", act="ozoneloss/vpsc", content=content)

   292 @app.route("/ozoneloss/uvi", methods=['GET'])

   293 def ozoneloss_uvi():

   294     # XXX check 'POST' does not work

   295     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvi.rst")

   296     content = get_content(filename)

   298     lat = 50.

   299     o3offset = 50.

   300     figname = "uvincr_lat%0.3i_do3%0.3i.svg" % (lat, o3offset)

   302     return render_template('ozoneloss_uvi.html', act="ozoneloss/uvi", content=content, figname=figname,

   303                            alt=_(u"UV increase at {{lat}} degrees N for {{o3offset}} DU ozone depletion"))

   306 @app.route("/ozoneloss/uvi_graph", methods=['POST'])

   307 def ozoneloss_uvi_graph():

   308     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvi.rst")

   309     content = get_content(filename)

   311     latstr = request.form['Gradzahl']

   312     o3offsetstr = request.form['Dobson-Unit']

   314     latstr2 = latstr.replace(u'\xb0', '')

   316     if latstr2.endswith(u'N'):

   317         latstr2 = latstr2.replace(u'N', '')

   318         lat = float(latstr2)

   319     if latstr2.endswith(u'S'):

   320         latstr2 = latstr2.replace(u'S', '')

   321         lat = -float(latstr2)

   323     figname = "uvincr_lat%0.3i_do3%0.3i.svg" % (lat, float(o3offsetstr))

   325     return render_template('graph.html', act="ozoneloss_uvi_graph", content=content, figname=figname,

   326                            o3offsetstr=o3offsetstr, latstr=latstr)

   328 @app.route("/ozoneloss/decadal")

   329 def ozoneloss_decadal():

   330     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_decadal.rst")

   331     content = get_content(filename)

   332     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_decadal_bottom.rst")

   333     explanation = get_content(filename)

   335     return render_template("/ozoneloss_decadal.html", act="ozoneloss_decadal", content=content,

   336                            content_explanation=explanation)

   340 @app.route("/iek-7")

   341 def institute():

   342     filename = os.path.join("templates", get_locale(), "rst", "iek-7.rst")

   343     content = get_content(filename)

   344     vcard_file = os.path.join("vcards", "sas.vcf")

   345     author = u""

   346     try:

   347         card = get_vcard(vcard_file)

   348     except IOError:

   349         card = None

   350     if card is not None:

   351         qr_image = qr_image_data(card)

   352         author = render_template("/author_info.html", act="author", title=_(u"IEK-7"),

   353                                  card=card, image=qr_image, contact=_(u"Contact"), exit=_(u"Close"))

   355     return render_template("/iek-7.html", act="iek-7", content=content,

   356                            author=author, card=card, contact=u"IEK-7")

   359 @app.route("/imprint")

   360 def imprint():

   361     filename = os.path.join("templates", get_locale(), "rst", "imprint.rst")

   362     content = get_content(filename)

   363     return render_template("/content.html", act="imprint", content=content)

   366 @app.route("/dataprotection")

   367 def dataprotection():

   368     filename = os.path.join("templates", get_locale(), "rst", "datenschutz.rst")

   369     content = get_content(filename)

   370     return render_template("/content.html", act="datenschutz", content=content)

   373 @app.errorhandler(404)

   374 def page_not_found(e):

   375     msg = _(u"Url: %(url)s not found", url=request.url)

   376     info = _(u"This information is not available!")

   377     return render_template("404.html", msg=msg, info=info)

   380 if __name__ == "__main__":

   381     app.run(host='localhost', port=5014)

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Thu, 30 Jan 2020 15:47:26 +0100
changeset 1040	ee422f2e89c1
parent 1019	ba828373ac1d
child 1053	878b81ffb8f7
permissions	-rwxr-xr-x