eskp-app/1.0: eskp.py@1650cb07309d

     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/2022', _(u'calculations')),

    74           ('/ozoneloss/vpsc/2022', _(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/2022', _(u'2022')),

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

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

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

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

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

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

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

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

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

    99     ]

   100     return menue

   103 def get_valid_dates(files):

   104     dates = []

   106     for file in files:

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

   108             date = file[-12:-6]

   109             dates.append(date)

   110     dates.sort()

   111     for date in dates:

   112         i = 0

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

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

   115             if files.count(testfile) > 0:

   116                 i = i + 1

   117         if i <> 3:

   118             dates.remove(date)

   119     return dates

   122 def get_o3lossuvmap_dates(date_show):

   123     dates = get_valid_dates(FILES)

   124     ndates = len(dates)

   125     ind = dates.index(date_show)

   126     navitexts = []

   127     if ind ==0 :

   128         chosendates = [dates[ind+1]]

   129         navitexts.append('next ->')

   131     elif ind >= ndates - 1:

   132         chosendates= [dates[ind-1]]

   133         navitexts.append('<- prev')

   134     else:

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

   136         navitexts.append('<- prev')

   137         navitexts.append('next ->')

   138     menue = []

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

   141         date = chosendates[i]

   142         navitext = navitexts[i]

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

   144     return menue

   147 def get_vpsc_dates():

   148     menue = [

   149         ('/ozoneloss/vpsc/2022', _(u'2022')),

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

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

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

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

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

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

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

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

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

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

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

   161     ]

   162     return menue

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

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

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

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

   171     content = get_content(filename)

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

   173     return html

   176 @babel.localeselector

   177 def get_locale():

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

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

   180         return requested_language or "de"

   182 @app.route("/")

   183 @app.route("/index")

   184 def index():

   185     return render_template("/index.html",

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

   187                            )

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

   191 def ozoneloss_clams_year(year):

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

   193     content = get_content(filename)

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

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

   198 def ozoneloss_uvmap_date(date):

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

   200     content = get_content(filename)

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

   202     html_table = get_html_content(htmlfile)

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

   205                            html_table=html_table, date=date)

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

   209 def ozoneloss_vpsc_year(year):

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

   211     content = get_content(filename)

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

   213     explanation = get_content(filename)

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

   216                            content_explanation=explanation, year=year)

   219 @app.route('/de')

   220 def de():

   221     global LANGUAGE_SELECTED

   222     LANGUAGE_SELECTED = "de"

   223     return render_template("/index.html",

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

   225                            )

   228 @app.route('/en')

   229 def en():

   230     global LANGUAGE_SELECTED

   231     LANGUAGE_SELECTED = "en"

   232     return render_template("/index.html",

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

   234                            )

   237 @app.route("/eskp")

   238 def eskp():

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

   240     content = get_content(filename)

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

   242     headline = get_content(filename)

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

   246 def qr_image_data(card):

   247     buf = StringIO.StringIO()

   248     qr = qrcode.QRCode(

   249         version=1,

   250         error_correction=qrcode.constants.ERROR_CORRECT_L,

   251         box_size=2,

   252         border=2,

   253     )

   254     qr.add_data(card.serialize())

   255     qr.make(fit=True)

   256     img = qr.make_image()

   257     img.save(buf)

   258     image = buf.getvalue()

   259     return base64.b64encode(image)

   262 @app.route("/ozoneloss")

   263 def ozoneloss():

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

   265     content = get_content(filename)

   266     ref_date = "200119"

   267     newest_date = get_newest_date()

   268     content = content.replace(ref_date, newest_date, 1)

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

   271     author = u""

   273     try:

   274         card = get_vcard(vcard_file)

   275     except IOError:

   276         card = None

   277     if card is not None:

   278         qr_image = qr_image_data(card)

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

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

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

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

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

   285                            author=author, card=card, publications=publications)

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

   289 def ozoneloss_clams():

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

   291     content = get_content(filename)

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

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

   296 def ozoneloss_uvmap():

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

   298     content = get_content(filename)

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

   301     html_content = get_html_content(htmlfile)

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

   303                            html_content=html_content)

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

   307 def ozoneloss_vpsc():

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

   309     content = get_content(filename)

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

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

   314 def ozoneloss_uvi():

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

   316     content = get_content(filename)

   317     htmlfile = os.path.join("templates", get_locale(), "html", "ozoneloss_uvi_form_start.html")

   318     html_content = get_html_content(htmlfile)

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

   320     html_table = get_html_content(htmlfile)

   322     lat = 50.

   323     o3offset = 50.

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

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

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

   328                                  html_content=html_content, html_table=html_table)

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

   332 def ozoneloss_uvi_graph():

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

   334     content = get_content(filename)

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

   336     html_content = get_html_content(htmlfile)

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

   338     html_table = get_html_content(htmlfile)

   340     latstr = request.form['Gradzahl']

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

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

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

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

   346         lat = float(latstr2)

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

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

   349         lat = -float(latstr2)

   351     html_content = html_content.replace('{{latstr}}', latstr)

   352     html_content = html_content.replace('{{o3offsetstr}}', o3offsetstr)

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

   355     return render_template('ozoneloss_uvi.html', act="ozoneloss_uvi_graph", content=content, figname=figname,

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

   357                            html_content=html_content, html_table=html_table)

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

   360 def ozoneloss_decadal():

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

   362     content = get_content(filename)

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

   364     explanation = get_content(filename)

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

   367                            content_explanation=explanation)

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

   372 def institute():

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

   374     content = get_content(filename)

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

   376     author = u""

   377     try:

   378         card = get_vcard(vcard_file)

   379     except IOError:

   380         card = None

   381     if card is not None:

   382         qr_image = qr_image_data(card)

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

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

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

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

   390 @app.route("/imprint")

   391 def imprint():

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

   393     content = get_content(filename)

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

   397 @app.route("/dataprotection")

   398 def dataprotection():

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

   400     content = get_content(filename)

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

   404 @app.errorhandler(404)

   405 def page_not_found(e):

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

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

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

   411 if __name__ == "__main__":

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

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Tue, 25 Jan 2022 09:49:34 +0100
changeset 1295	1650cb07309d
parent 1116	0559fcb555f1
child 1526	e90ee05eaf02
permissions	-rwxr-xr-x