eskp-app/1.0: eskp.py@633640a6b89a

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

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

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

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

    71     ]

    72     return menue

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

    78 def get_o3lossclams_dates():

    79     menue = [

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

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

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

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

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

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

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

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

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

    89     ]

    90     return menue

    93 def get_valid_dates(files):

    94     dates = []

    96     for file in files:

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

    98             date = file[-12:-6]

    99             dates.append(date)

   100     dates.sort()

   101     for date in dates:

   102         i = 0

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

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

   105             if files.count(testfile) > 0:

   106                 i = i + 1

   107         if i <> 3:

   108             dates.remove(date)

   109     return dates

   112 def get_o3lossuvmap_dates(date_show):

   113     dates = get_valid_dates(FILES)

   114     ndates = len(dates)

   115     ind = dates.index(date_show)

   116     navitexts = []

   117     if ind ==0 :

   118         chosendates = [dates[ind+1]]

   119         navitexts.append('next ->')

   121     elif ind >= ndates - 1:

   122         chosendates= [dates[ind-1]]

   123         navitexts.append('<- prev')

   124     else:

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

   126         navitexts.append('<- prev')

   127         navitexts.append('next ->')

   128     menue = []

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

   131         date = chosendates[i]

   132         navitext = navitexts[i]

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

   134     return menue

   137 def get_vpsc_dates():

   138     menue = [

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

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

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

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

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

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

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

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

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

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

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

   150     ]

   151     return menue

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

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

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

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

   160     content = get_content(filename)

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

   162     return html

   165 @babel.localeselector

   166 def get_locale():

   167     """ToDo: if translation is completed, switch to en """

   168     return LANGUAGE_SELECTED or request.accept_languages.best_match(LANGUAGES.keys()) or 'de'

   171 @app.route("/")

   172 @app.route("/index")

   173 def index():

   174     return render_template("/index.html",

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

   176                            )

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

   180 def ozoneloss_clams_year(year):

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

   182     content = get_content(filename)

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

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

   187 def ozoneloss_uvmap_date(date):

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

   189     content = get_content(filename)

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

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

   194 def ozoneloss_vspc_year(year):

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

   196     content = get_content(filename)

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

   198     explanation = get_content(filename)

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

   201                            content_explanation=explanation, year=year)

   204 @app.route('/de')

   205 def de():

   206     global LANGUAGE_SELECTED

   207     LANGUAGE_SELECTED = "de"

   208     return render_template("/index.html",

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

   210                            )

   213 @app.route('/en')

   214 def en():

   215     global LANGUAGE_SELECTED

   216     LANGUAGE_SELECTED = "en"

   217     return render_template("/index.html",

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

   219                            )

   222 @app.route("/eskp")

   223 def eskp():

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

   225     content = get_content(filename)

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

   227     headline = get_content(filename)

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

   231 def qr_image_data(card):

   232     buf = StringIO.StringIO()

   233     qr = qrcode.QRCode(

   234         version=1,

   235         error_correction=qrcode.constants.ERROR_CORRECT_L,

   236         box_size=2,

   237         border=2,

   238     )

   239     qr.add_data(card.serialize())

   240     qr.make(fit=True)

   241     img = qr.make_image()

   242     img.save(buf)

   243     image = buf.getvalue()

   244     return base64.b64encode(image)

   247 @app.route("/ozoneloss")

   248 def ozoneloss():

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

   250     content = get_content(filename)

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

   253     author = u""

   255     try:

   256         card = get_vcard(vcard_file)

   257     except IOError:

   258         card = None

   259     if card is not None:

   260         qr_image = qr_image_data(card)

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

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

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

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

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

   267                            author=author, card=card, publications=publications)

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

   271 def ozoneloss_clams():

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

   273     content = get_content(filename)

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

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

   278 def ozoneloss_uvmap():

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

   280     content = get_content(filename)

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

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

   285 def ozoneloss_vspc():

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

   287     content = get_content(filename)

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

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

   292 def ozoneloss_uvi():

   293     # XXX check 'POST' does not work

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

   295     content = get_content(filename)

   297     lat = 50.

   298     o3offset = 50.

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

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

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

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

   306 def ozoneloss_uvi_graph():

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

   308     content = get_content(filename)

   310     latstr = request.form['Gradzahl']

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

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

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

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

   317         lat = float(latstr2)

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

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

   320         lat = -float(latstr2)

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

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

   325                            o3offsetstr=o3offsetstr, latstr=latstr)

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

   329 def institute():

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

   331     content = get_content(filename)

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

   333     author = u""

   334     try:

   335         card = get_vcard(vcard_file)

   336     except IOError:

   337         card = None

   338     if card is not None:

   339         qr_image = qr_image_data(card)

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

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

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

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

   347 @app.route("/imprint")

   348 def imprint():

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

   350     content = get_content(filename)

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

   354 @app.route("/dataprotection")

   355 def dataprotection():

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

   357     content = get_content(filename)

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

   361 @app.errorhandler(404)

   362 def page_not_found(e):

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

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

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

   368 if __name__ == "__main__":

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

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Fri, 10 Jan 2020 17:08:09 +0100
changeset 989	633640a6b89a
parent 851	c4fb6f886926
child 1019	ba828373ac1d
permissions	-rwxr-xr-x