eskp-app/1.0: eskp.py@79503af02eb3

     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.ext.babel import gettext as _

    17 from flask.ext.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/2018', _(u'calculations')),

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

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

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

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

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

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

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

    87     ]

    88     return menue

    91 def get_valid_dates(files):

    92     dates = []

    94     for file in files:

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

    96             date = file[-12:-6]

    97             dates.append(date)

    98     dates.sort()

    99     for date in dates:

   100         i = 0

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

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

   103             if files.count(testfile) > 0:

   104                 i = i + 1

   105         if i <> 3:

   106             dates.remove(date)

   107     return dates

   110 def get_o3lossuvmap_dates(date_show):

   111     dates = get_valid_dates(FILES)

   112     ndates = len(dates)

   113     ind = dates.index(date_show)

   114     navitexts = []

   115     if ind ==0 :

   116         chosendates = [dates[ind+1]]

   117         navitexts.append('next ->')

   119     elif ind >= ndates - 1:

   120         chosendates= [dates[ind-1]]

   121         navitexts.append('<- prev')

   122     else:

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

   124         navitexts.append('<- prev')

   125         navitexts.append('next ->')

   126     menue = []

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

   129         date = chosendates[i]

   130         navitext = navitexts[i]

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

   132     return menue

   135 def get_vpsc_dates():

   136     menue = [

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

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

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

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

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

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

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

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

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

   146     ]

   147     return menue

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

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

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

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

   156     content = get_content(filename)

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

   158     return html

   161 @babel.localeselector

   162 def get_locale():

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

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

   167 @app.route("/")

   168 @app.route("/index")

   169 def index():

   170     return render_template("/index.html",

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

   172                            )

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

   176 def ozoneloss_clams_year(year):

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

   178     content = get_content(filename)

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

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

   183 def ozoneloss_uvmap_date(date):

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

   185     content = get_content(filename)

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

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

   190 def ozoneloss_vspc_year(year):

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

   192     content = get_content(filename)

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

   194     explanation = get_content(filename)

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

   197                            content_explanation=explanation, year=year)

   200 @app.route('/de')

   201 def de():

   202     global LANGUAGE_SELECTED

   203     LANGUAGE_SELECTED = "de"

   204     return render_template("/index.html",

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

   206                            )

   209 @app.route('/en')

   210 def en():

   211     global LANGUAGE_SELECTED

   212     LANGUAGE_SELECTED = "en"

   213     return render_template("/index.html",

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

   215                            )

   218 @app.route("/eskp")

   219 def eskp():

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

   221     content = get_content(filename)

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

   223     headline = get_content(filename)

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

   227 def qr_image_data(card):

   228     buf = StringIO.StringIO()

   229     qr = qrcode.QRCode(

   230         version=1,

   231         error_correction=qrcode.constants.ERROR_CORRECT_L,

   232         box_size=2,

   233         border=2,

   234     )

   235     qr.add_data(card.serialize())

   236     qr.make(fit=True)

   237     img = qr.make_image()

   238     img.save(buf)

   239     image = buf.getvalue()

   240     return base64.b64encode(image)

   243 @app.route("/ozoneloss")

   244 def ozoneloss():

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

   246     content = get_content(filename)

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

   249     author = u""

   251     try:

   252         card = get_vcard(vcard_file)

   253     except IOError:

   254         card = None

   255     if card is not None:

   256         qr_image = qr_image_data(card)

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

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

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

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

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

   263                            author=author, card=card, publications=publications)

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

   267 def ozoneloss_clams():

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

   269     content = get_content(filename)

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

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

   274 def ozoneloss_uvmap():

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

   276     content = get_content(filename)

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

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

   281 def ozoneloss_vspc():

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

   283     content = get_content(filename)

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

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

   288 def ozoneloss_uvi():

   289     # XXX check 'POST' does not work

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

   291     content = get_content(filename)

   293     lat = 50.

   294     o3offset = 50.

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

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

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

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

   302 def ozoneloss_uvi_graph():

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

   304     content = get_content(filename)

   306     latstr = request.form['Gradzahl']

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

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

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

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

   313         lat = float(latstr2)

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

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

   316         lat = -float(latstr2)

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

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

   321                            o3offsetstr=o3offsetstr, latstr=latstr)

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

   325 def institute():

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

   327     content = get_content(filename)

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

   329     author = u""

   330     try:

   331         card = get_vcard(vcard_file)

   332     except IOError:

   333         card = None

   334     if card is not None:

   335         qr_image = qr_image_data(card)

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

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

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

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

   343 @app.route("/imprint")

   344 def imprint():

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

   346     content = get_content(filename)

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

   350 @app.route("/dataprotection")

   351 def dataprotection():

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

   353     content = get_content(filename)

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

   357 @app.errorhandler(404)

   358 def page_not_found(e):

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

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

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

   364 if __name__ == "__main__":

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

author	Reimar Bauer <rb.proj AT gmail DOT com>
	Tue, 15 May 2018 10:32:45 +0200
changeset 846	79503af02eb3
parent 845	3ed0b7ffbb50
child 848	bf84b8bf06da
permissions	-rwxr-xr-x