eskp-app/1.0: eskp.py@878b81ffb8f7

     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

    52 def get_html_content(filename, overrides=None):

    53     html_content = u""

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

    55     if os.path.isfile(filename):

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

    57             html_content = f.read()

    59     return html_content

    61 def get_newest_date():

    62     getdates = get_valid_dates(FILES)

    63     newest_date = getdates[-1]

    65     return newest_date

    68 def get_topmenue():

    69     newest_date = get_newest_date()

    70     menue = [

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

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

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

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

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

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

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

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

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

    80     ]

    81     return menue

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

    87 def get_o3lossclams_dates():

    88     menue = [

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

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

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

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

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

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

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

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

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

    98     ]

    99     return menue

   102 def get_valid_dates(files):

   103     dates = []

   105     for file in files:

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

   107             date = file[-12:-6]

   108             dates.append(date)

   109     dates.sort()

   110     for date in dates:

   111         i = 0

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

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

   114             if files.count(testfile) > 0:

   115                 i = i + 1

   116         if i <> 3:

   117             dates.remove(date)

   118     return dates

   121 def get_o3lossuvmap_dates(date_show):

   122     dates = get_valid_dates(FILES)

   123     ndates = len(dates)

   124     ind = dates.index(date_show)

   125     navitexts = []

   126     if ind ==0 :

   127         chosendates = [dates[ind+1]]

   128         navitexts.append('next ->')

   130     elif ind >= ndates - 1:

   131         chosendates= [dates[ind-1]]

   132         navitexts.append('<- prev')

   133     else:

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

   135         navitexts.append('<- prev')

   136         navitexts.append('next ->')

   137     menue = []

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

   140         date = chosendates[i]

   141         navitext = navitexts[i]

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

   143     return menue

   146 def get_vpsc_dates():

   147     menue = [

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

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

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

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

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

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

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

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

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

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

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

   159     ]

   160     return menue

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

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

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

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

   169     content = get_content(filename)

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

   171     return html

   174 @babel.localeselector

   175 def get_locale():

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

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

   178         return requested_language or "de"

   180 @app.route("/")

   181 @app.route("/index")

   182 def index():

   183     return render_template("/index.html",

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

   185                            )

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

   189 def ozoneloss_clams_year(year):

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

   191     content = get_content(filename)

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

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

   196 def ozoneloss_uvmap_date(date):

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

   198     content = get_content(filename)

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

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

   203 def ozoneloss_vpsc_year(year):

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

   205     content = get_content(filename)

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

   207     explanation = get_content(filename)

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

   210                            content_explanation=explanation, year=year)

   213 @app.route('/de')

   214 def de():

   215     global LANGUAGE_SELECTED

   216     LANGUAGE_SELECTED = "de"

   217     return render_template("/index.html",

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

   219                            )

   222 @app.route('/en')

   223 def en():

   224     global LANGUAGE_SELECTED

   225     LANGUAGE_SELECTED = "en"

   226     return render_template("/index.html",

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

   228                            )

   231 @app.route("/eskp")

   232 def eskp():

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

   234     content = get_content(filename)

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

   236     headline = get_content(filename)

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

   240 def qr_image_data(card):

   241     buf = StringIO.StringIO()

   242     qr = qrcode.QRCode(

   243         version=1,

   244         error_correction=qrcode.constants.ERROR_CORRECT_L,

   245         box_size=2,

   246         border=2,

   247     )

   248     qr.add_data(card.serialize())

   249     qr.make(fit=True)

   250     img = qr.make_image()

   251     img.save(buf)

   252     image = buf.getvalue()

   253     return base64.b64encode(image)

   256 @app.route("/ozoneloss")

   257 def ozoneloss():

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

   259     content = get_content(filename)

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

   262     author = u""

   264     try:

   265         card = get_vcard(vcard_file)

   266     except IOError:

   267         card = None

   268     if card is not None:

   269         qr_image = qr_image_data(card)

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

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

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

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

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

   276                            author=author, card=card, publications=publications)

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

   280 def ozoneloss_clams():

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

   282     content = get_content(filename)

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

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

   287 def ozoneloss_uvmap():

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

   289     content = get_content(filename)

   291     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   292     html_content = get_html_content(htmlfile)

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

   294                            html_content=html_content)

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

   298 def ozoneloss_vpsc():

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

   300     content = get_content(filename)

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

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

   305 def ozoneloss_uvi():

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

   307     content = get_content(filename)

   308     htmlfile = os.path.join("templates", get_locale(), "html", "ozoneloss_uvi_form.html")

   309     html_content = get_html_content(htmlfile)

   310     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   311     html_table = get_html_content(htmlfile)

   313     lat = 50.

   314     o3offset = 50.

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

   316     button_text = _("Graph anzeigen")

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

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

   320                                  html_content=html_content, html_table=html_table, button_text=button_text)

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

   324 def ozoneloss_uvi_graph():

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

   326     content = get_content(filename)

   327     htmlfile = os.path.join("templates", get_locale(), "html", "ozoneloss_uvi_form.html")

   328     html_content = get_html_content(htmlfile)

   329     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   330     html_table = get_html_content(htmlfile)

   332     latstr = request.form['Gradzahl']

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

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

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

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

   339         lat = float(latstr2)

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

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

   342         lat = -float(latstr2)

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

   345     button_text = _("Graph anzeigen")

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

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

   349                            o3offsetstr=o3offsetstr, latstr=latstr, html_content=html_content,

   350                            html_table=html_table, button_text=button_text)

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

   353 def ozoneloss_decadal():

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

   355     content = get_content(filename)

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

   357     explanation = get_content(filename)

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

   360                            content_explanation=explanation)

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

   365 def institute():

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

   367     content = get_content(filename)

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

   369     author = u""

   370     try:

   371         card = get_vcard(vcard_file)

   372     except IOError:

   373         card = None

   374     if card is not None:

   375         qr_image = qr_image_data(card)

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

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

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

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

   383 @app.route("/imprint")

   384 def imprint():

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

   386     content = get_content(filename)

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

   390 @app.route("/dataprotection")

   391 def dataprotection():

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

   393     content = get_content(filename)

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

   397 @app.errorhandler(404)

   398 def page_not_found(e):

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

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

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

   404 if __name__ == "__main__":

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

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Mon, 03 Feb 2020 17:20:42 +0100
changeset 1053	878b81ffb8f7
parent 1040	ee422f2e89c1
child 1056	cdd6167a71de
permissions	-rwxr-xr-x