eskp-app/1.0: eskp.py@c4fb6f886926

     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/2019', _(u'calculations')),

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

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

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

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

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

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

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

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

    88     ]

    89     return menue

    92 def get_valid_dates(files):

    93     dates = []

    95     for file in files:

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

    97             date = file[-12:-6]

    98             dates.append(date)

    99     dates.sort()

   100     for date in dates:

   101         i = 0

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

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

   104             if files.count(testfile) > 0:

   105                 i = i + 1

   106         if i <> 3:

   107             dates.remove(date)

   108     return dates

   111 def get_o3lossuvmap_dates(date_show):

   112     dates = get_valid_dates(FILES)

   113     ndates = len(dates)

   114     ind = dates.index(date_show)

   115     navitexts = []

   116     if ind ==0 :

   117         chosendates = [dates[ind+1]]

   118         navitexts.append('next ->')

   120     elif ind >= ndates - 1:

   121         chosendates= [dates[ind-1]]

   122         navitexts.append('<- prev')

   123     else:

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

   125         navitexts.append('<- prev')

   126         navitexts.append('next ->')

   127     menue = []

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

   130         date = chosendates[i]

   131         navitext = navitexts[i]

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

   133     return menue

   136 def get_vpsc_dates():

   137     menue = [

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

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

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

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

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

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

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

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

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

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

   148     ]

   149     return menue

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

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

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

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

   158     content = get_content(filename)

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

   160     return html

   163 @babel.localeselector

   164 def get_locale():

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

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

   169 @app.route("/")

   170 @app.route("/index")

   171 def index():

   172     return render_template("/index.html",

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

   174                            )

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

   178 def ozoneloss_clams_year(year):

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

   180     content = get_content(filename)

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

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

   185 def ozoneloss_uvmap_date(date):

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

   187     content = get_content(filename)

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

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

   192 def ozoneloss_vspc_year(year):

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

   194     content = get_content(filename)

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

   196     explanation = get_content(filename)

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

   199                            content_explanation=explanation, year=year)

   202 @app.route('/de')

   203 def de():

   204     global LANGUAGE_SELECTED

   205     LANGUAGE_SELECTED = "de"

   206     return render_template("/index.html",

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

   208                            )

   211 @app.route('/en')

   212 def en():

   213     global LANGUAGE_SELECTED

   214     LANGUAGE_SELECTED = "en"

   215     return render_template("/index.html",

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

   217                            )

   220 @app.route("/eskp")

   221 def eskp():

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

   223     content = get_content(filename)

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

   225     headline = get_content(filename)

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

   229 def qr_image_data(card):

   230     buf = StringIO.StringIO()

   231     qr = qrcode.QRCode(

   232         version=1,

   233         error_correction=qrcode.constants.ERROR_CORRECT_L,

   234         box_size=2,

   235         border=2,

   236     )

   237     qr.add_data(card.serialize())

   238     qr.make(fit=True)

   239     img = qr.make_image()

   240     img.save(buf)

   241     image = buf.getvalue()

   242     return base64.b64encode(image)

   245 @app.route("/ozoneloss")

   246 def ozoneloss():

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

   248     content = get_content(filename)

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

   251     author = u""

   253     try:

   254         card = get_vcard(vcard_file)

   255     except IOError:

   256         card = None

   257     if card is not None:

   258         qr_image = qr_image_data(card)

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

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

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

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

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

   265                            author=author, card=card, publications=publications)

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

   269 def ozoneloss_clams():

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

   271     content = get_content(filename)

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

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

   276 def ozoneloss_uvmap():

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

   278     content = get_content(filename)

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

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

   283 def ozoneloss_vspc():

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

   285     content = get_content(filename)

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

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

   290 def ozoneloss_uvi():

   291     # XXX check 'POST' does not work

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

   293     content = get_content(filename)

   295     lat = 50.

   296     o3offset = 50.

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

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

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

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

   304 def ozoneloss_uvi_graph():

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

   306     content = get_content(filename)

   308     latstr = request.form['Gradzahl']

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

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

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

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

   315         lat = float(latstr2)

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

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

   318         lat = -float(latstr2)

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

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

   323                            o3offsetstr=o3offsetstr, latstr=latstr)

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

   327 def institute():

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

   329     content = get_content(filename)

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

   331     author = u""

   332     try:

   333         card = get_vcard(vcard_file)

   334     except IOError:

   335         card = None

   336     if card is not None:

   337         qr_image = qr_image_data(card)

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

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

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

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

   345 @app.route("/imprint")

   346 def imprint():

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

   348     content = get_content(filename)

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

   352 @app.route("/dataprotection")

   353 def dataprotection():

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

   355     content = get_content(filename)

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

   359 @app.errorhandler(404)

   360 def page_not_found(e):

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

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

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

   366 if __name__ == "__main__":

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

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Tue, 22 Jan 2019 08:45:26 +0100
changeset 851	c4fb6f886926
parent 848	bf84b8bf06da
child 989	633640a6b89a
permissions	-rwxr-xr-x