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eskp.py
author Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
Fri, 29 Jan 2016 13:45:53 +0100
changeset 441 c258f9b3f831
parent 380 1c6c49675d42
child 496 0641866df1b0
permissions -rwxr-xr-x
Update of eskp script and text to the year 2016 
     1 # -*- coding: utf-8 -*-

     2 import logging

     3 

     4 import os

     5 import codecs

     6 import vobject

     7 import StringIO

     8 

     9 import qrcode

    10 

    11 from docutils.core import publish_parts

    12 from flask import Flask

    13 from flask import render_template

    14 from flask import request

    15 from flask.ext.babel import gettext as _

    16 from flask.ext.babel import Babel

    17 from config import LANGUAGES

    18 

    19 import base64

    20 

    21 LANGUAGE_SELECTED = "de"

    22 #ToDo after engelish is implemented set LANGUAGE_SELECTED = None

    23 

    24 # We need the path of this file to find templates to translate

    25 ESKP_PATH = os.path.dirname(os.path.abspath(__file__))

    26 logging.basicConfig(filename=os.path.join(ESKP_PATH, 'eskp-app.log'),level=logging.DEBUG)

    27 

    28 app = Flask(__name__)

    29 babel = Babel(app)

    30 

    31 app.config['BABEL_DEFAULT_LOCALE'] = 'de'

    32 

    33 

    34 

    35 def get_vcard(filename):

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

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

    38             vcard = f.read()

    39             f.close()

    40     return vobject.readOne(vcard)

    41 

    42 

    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         f.close()

    50         content = publish_parts(rst_data, writer_name='html', settings_overrides=overrides)['html_body']

    51     return content

    52 

    53 def get_topmenue():

    54     menue = [

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

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

    57              ('/ozoneloss/clams/2016', _(u'calculations')),

    58              ('/ozoneloss/vpsc/2016', _(u'estimations')),

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

    60 

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

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

    63             ]

    64     return menue

    65 

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

    67 

    68 def get_o3lossclams_dates():

    69     menue = [

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

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

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

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

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

    75         ]

    76     return menue

    77 

    78 def get_vpsc_dates():

    79     menue = [

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

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

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

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

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

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

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

    87         ]

    88     return menue

    89 

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

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

    92 

    93 

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

    95     content = get_content(filename)

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

    97     return html

    98 

    99 

   100 @babel.localeselector

   101 def get_locale():

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

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

   104 

   105 

   106 @app.route("/")

   107 @app.route("/index")

   108 def index():

   109     return render_template("/index.html",

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

   111                            )

   112 

   113 

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

   115 def ozoneloss_clams_year(year):

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

   117     content = get_content(filename)

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

   119 

   120 

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

   122 def ozoneloss_vspc_year(year):

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

   124     content = get_content(filename)

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

   126     explanation = get_content(filename)

   127 

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

   129                            content_explanation=explanation, year=year)

   130 

   131 

   132 @app.route('/de')

   133 def de():

   134     global LANGUAGE_SELECTED

   135     LANGUAGE_SELECTED = "de"

   136     return render_template("/index.html",

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

   138                            )

   139 

   140 @app.route('/en')

   141 def en():

   142     global LANGUAGE_SELECTED

   143     LANGUAGE_SELECTED = "en"

   144     return render_template("/index.html",

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

   146                            )

   147 

   148 @app.route("/eskp")

   149 def eskp():

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

   151     content = get_content(filename)

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

   153     headline = get_content(filename)

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

   155 

   156 

   157 def qr_image_data(card):

   158     buf= StringIO.StringIO()

   159     qr = qrcode.QRCode(

   160         version=1,

   161         error_correction=qrcode.constants.ERROR_CORRECT_L,

   162         box_size=2,

   163         border=2,

   164         )

   165     qr.add_data(card.serialize())

   166     qr.make(fit=True)

   167     img = qr.make_image()

   168     img.save(buf)

   169     image = buf.getvalue()

   170     return base64.b64encode(image)

   171 

   172 

   173 @app.route("/ozoneloss")

   174 def ozoneloss():

   175 

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

   177     content = get_content(filename)

   178 

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

   180     author = u""

   181     try:

   182         card = get_vcard(vcard_file)

   183     except IOError:

   184         card = None

   185     if card is not None:

   186         qr_image = qr_image_data(card)

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

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

   189 

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

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

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

   193                            author=author,card=card, publications=publications )

   194 

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

   196 def ozoneloss_clams():

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

   198     content = get_content(filename)

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

   200 

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

   202 def ozoneloss_vspc():

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

   204     content = get_content(filename)

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

   206 

   207 

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

   209 def ozoneloss_uvi():

   210     # XXX check 'POST' does not work

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

   212     content = get_content(filename)

   213 

   214     lat = 50.

   215     o3offset = 50.

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

   217 

   218 

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

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

   221 

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

   223 def ozoneloss_uvi_graph():

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

   225     content = get_content(filename)

   226 

   227     latstr = request.form['Gradzahl']

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

   229 

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

   231 

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

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

   234         lat = float(latstr2)

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

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

   237         lat = -float(latstr2)

   238 

   239 

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

   241 

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

   243                            o3offsetstr=o3offsetstr, latstr=latstr)

   244 

   245 

   246 

   247 

   248 

   249 

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

   251 def institute():

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

   253     content = get_content(filename)

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

   255     author = u""

   256     try:

   257         card = get_vcard(vcard_file)

   258     except IOError:

   259         card = None

   260     if card is not None:

   261         qr_image = qr_image_data(card)

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

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

   264 

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

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

   267 

   268 

   269 @app.route("/imprint")

   270 def imprint():

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

   272     content = get_content(filename)

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

   274 

   275 

   276 

   277 

   278 

   279 @app.errorhandler(404)

   280 def page_not_found(e):

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

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

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

   284 

   285 if __name__ == "__main__":

   286     app.run(host='localhost', port=5014)
eskp-app/1.0

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