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app.py
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app.py
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#!/usr/bin/env python3
import datetime
import flask
from flask import render_template, request
from werkzeug.routing import BaseConverter, ValidationError
import database
class DateConverter(BaseConverter):
regex = r'\d{4}-\d{2}-\d{2}'
def to_python(self, value):
try:
return datetime.date.fromisoformat(value)
except ValueError:
raise ValidationError()
def to_url(self, value):
return value.isoformat()
app = flask.Flask(__name__)
app.url_map.converters['date'] = DateConverter
@app.route('/')
@app.route('/<date:to_date>')
def dashboard(from_date=False, to_date=False, days=30):
earliest, latest = database.fetch_date_bounds()
to_date = to_date or latest # - datetime.timedelta(days=0)
from_date = to_date - datetime.timedelta(days=days)
to_date = min(latest, to_date)
from_date = max(earliest, from_date)
counts = database.fetch_sitecounts(from_date, to_date)
sites = database.fetch_sites()
# Convenient list for the table-building:
dates = [(from_date + datetime.timedelta(days=x + 1)).isoformat() for x in range((to_date - from_date).days)]
return render_template('index.html',
counts=counts, dates=dates, sites=sites, all=request.args.get('all') == '1',
earliest=earliest, latest=latest, from_date=from_date, to_date=to_date,
forward_date=min(latest, to_date+datetime.timedelta(days=days)),
)
@app.template_filter('site_activated')
def site_activated_filter(sites, allow_all):
if allow_all:
return sites
def has_activated(item):
dbname, counts = item
return counts['total']['activated'] > 0
return dict((filter(has_activated, sites.items())))