eskp-app/1.0: eskp.py@1c6c49675d42

     1 # -*- coding: utf-8 -*-

     2 import logging

     4 import os

     5 import codecs

     6 import vobject

     7 import StringIO

     9 import qrcode

    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

    19 import base64

    21 LANGUAGE_SELECTED = "de"

    22 #ToDo after engelish is implemented set LANGUAGE_SELECTED = None

    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)

    28 app = Flask(__name__)

    29 babel = Babel(app)

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

    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)

    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

    53 def get_topmenue():

    54     menue = [

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

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

    57              ('/ozoneloss/clams/2015', _(u'calculations')),

    58              ('/ozoneloss/vpsc/2015', _(u'estimations')),

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

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

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

    63             ]

    64     return menue

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

    68 def get_o3lossclams_dates():

    69     menue = [

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

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

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

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

    74         ]

    75     return menue

    77 def get_vpsc_dates():

    78     menue = [

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

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

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

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

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

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

    85         ]

    86     return menue

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

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

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

    93     content = get_content(filename)

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

    95     return html

    98 @babel.localeselector

    99 def get_locale():

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

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

   104 @app.route("/")

   105 @app.route("/index")

   106 def index():

   107     return render_template("/index.html",

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

   109                            )

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

   113 def ozoneloss_clams_year(year):

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

   115     content = get_content(filename)

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

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

   120 def ozoneloss_vspc_year(year):

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

   122     content = get_content(filename)

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

   124     explanation = get_content(filename)

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

   127                            content_explanation=explanation, year=year)

   130 @app.route('/de')

   131 def de():

   132     global LANGUAGE_SELECTED

   133     LANGUAGE_SELECTED = "de"

   134     return render_template("/index.html",

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

   136                            )

   138 @app.route('/en')

   139 def en():

   140     global LANGUAGE_SELECTED

   141     LANGUAGE_SELECTED = "en"

   142     return render_template("/index.html",

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

   144                            )

   146 @app.route("/eskp")

   147 def eskp():

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

   149     content = get_content(filename)

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

   151     headline = get_content(filename)

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

   155 def qr_image_data(card):

   156     buf= StringIO.StringIO()

   157     qr = qrcode.QRCode(

   158         version=1,

   159         error_correction=qrcode.constants.ERROR_CORRECT_L,

   160         box_size=2,

   161         border=2,

   162         )

   163     qr.add_data(card.serialize())

   164     qr.make(fit=True)

   165     img = qr.make_image()

   166     img.save(buf)

   167     image = buf.getvalue()

   168     return base64.b64encode(image)

   171 @app.route("/ozoneloss")

   172 def ozoneloss():

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

   175     content = get_content(filename)

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

   178     author = u""

   179     try:

   180         card = get_vcard(vcard_file)

   181     except IOError:

   182         card = None

   183     if card is not None:

   184         qr_image = qr_image_data(card)

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

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

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

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

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

   191                            author=author,card=card, publications=publications )

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

   194 def ozoneloss_clams():

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

   196     content = get_content(filename)

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

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

   200 def ozoneloss_vspc():

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

   202     content = get_content(filename)

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

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

   207 def ozoneloss_uvi():

   208     # XXX check 'POST' does not work

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

   210     content = get_content(filename)

   212     lat = 50.

   213     o3offset = 50.

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

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

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

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

   221 def ozoneloss_uvi_graph():

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

   223     content = get_content(filename)

   225     latstr = request.form['Gradzahl']

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

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

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

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

   232         lat = float(latstr2)

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

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

   235         lat = -float(latstr2)

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

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

   241                            o3offsetstr=o3offsetstr, latstr=latstr)

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

   249 def institute():

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

   251     content = get_content(filename)

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

   253     author = u""

   254     try:

   255         card = get_vcard(vcard_file)

   256     except IOError:

   257         card = None

   258     if card is not None:

   259         qr_image = qr_image_data(card)

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

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

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

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

   267 @app.route("/imprint")

   268 def imprint():

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

   270     content = get_content(filename)

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

   277 @app.errorhandler(404)

   278 def page_not_found(e):

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

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

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

   283 if __name__ == "__main__":

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

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Mon, 02 Feb 2015 15:04:17 +0100
changeset 380	1c6c49675d42
parent 317	08fcdd86155a
child 441	c258f9b3f831
permissions	-rwxr-xr-x