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"""
This is the single-file Flask web application
"""
import os
import subprocess
from flask import Flask, Blueprint, g, app, render_template, request
from flask_babel import Babel, gettext
from flask.logging import create_logger
import sentry_sdk
from sentry_sdk.integrations.flask import FlaskIntegration
class BaseConfig(object):
SUPPORTED_LANGUAGES = {
'en': 'English',
'de': 'Deutsch',
'zh': '中文',
}
BABEL_DEFAULT_LOCALE = 'en'
BABEL_DEFAULT_TIMEZONE = 'UTC'
GIT_REVISION = subprocess.check_output(["git", "describe", "--always"]).strip().decode('utf-8')
ELASTICSEARCH_BACKEND = os.environ.get("ELASTICSEARCH_BACKEND", default="https://search.fatcat.wiki")
ELASTICSEARCH_FULLTEXT_INDEX = os.environ.get("ELASTICSEARCH_FULLTEXT_INDEX", default="covid19_fatcat_fulltext")
COVID19_FULLTEXT_HOST = os.environ.get("COVID19_FULLTEXT_HOST", default="https://covid19.fatcat.wiki")
# this variable is vestigal, used in some jinja2 templates
FATCAT_DOMAIN = "covid19.fatcat.wiki"
SENTRY_CONFIG = {
'enable-threads': True, # for uWSGI
'release': GIT_REVISION,
'tags': {
'service': 'covid19.fatcat.wiki',
},
}
sentry_sdk.init(
# set SDN via environment variable SENTRY_DSN
integrations=[FlaskIntegration()]
)
app = Flask(__name__, static_url_path='/static')
app.config.from_object(BaseConfig())
app.log = create_logger(app)
babel = Babel(app)
from fatcat_covid19.search import *
bp = Blueprint('search', __name__)
@bp.url_defaults
def add_language_code(endpoint, values):
if hasattr(g, "lang_code_set") and g.lang_code_set:
values.setdefault('lang_code', g.lang_code)
else:
values.setdefault('lang_code', 'en')
g.lang_code = 'en'
@bp.url_value_preprocessor
def pull_lang_code(endpoint, values):
g.lang_code_set = 'lang_code' in values
g.lang_code = values.pop('lang_code', app.config['BABEL_DEFAULT_LOCALE'])
if g.lang_code not in app.config['SUPPORTED_LANGUAGES']:
abort(404)
@babel.localeselector
def get_locale():
return g.lang_code
@bp.route('/', methods=['GET'])
def page_home():
return render_template('home.html')
@bp.route('/fulltext/search', methods=['GET', 'POST'])
def fulltext_search():
query = request.args.get('q')
offset = request.args.get('offset', '0')
offset = max(0, int(offset)) if offset.isnumeric() else 0
if 'q' in request.args.keys():
found = do_fulltext_search(query, offset=offset)
return render_template('fulltext_search.html', found=found, query=query)
else:
return render_template('fulltext_search.html', query=query)
@bp.route('/about', methods=['GET'])
def page_about():
return render_template('about_{}.html'.format(g.lang_code))
@bp.route('/sources', methods=['GET'])
def page_sources():
return render_template('sources_{}.html'.format(g.lang_code))
@bp.app_errorhandler(404)
def page_not_found(e):
return render_template('404.html'), 404
@bp.app_errorhandler(400)
def page_bad_request(e):
return render_template('400.html'), 400
@bp.app_errorhandler(502)
@bp.app_errorhandler(503)
@bp.app_errorhandler(504)
@bp.app_errorhandler(500)
def page_server_error(e):
return render_template('500.html'), 500
@app.route('/robots.txt', methods=['GET'])
def robots():
return send_from_directory(os.path.join(app.root_path, 'static'),
'robots.txt',
mimetype='text/plain')
app.register_blueprint(bp, url_prefix='/<string(length=2):lang_code>/')
app.register_blueprint(bp, url_prefix='/')
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