plomlompom.com Git - berlin-corona-table/blob - enhance_table.py

   1 #!//usr/bin/env python3
   2
   3 # District population numbers as per Wikipedia.
   4 district_pops = {
   5   'CW': 342332,
   6   'FK': 289762,
   7   'Li': 291452,
   8   'MH': 268548,
   9   'Mi': 384172,
  10   'Ne': 329691,
  11   'Pa': 407765,
  12   'Re': 265225,
  13   'Sp': 243977,
  14   'SZ': 308697,
  15   'TS': 351644,
  16   'TK': 271153,
  17   'sum': 3754418,
  18 }
  19
  20 # Map abbreviations to full names.
  21 translate = {
  22   'CW': 'Charlottenburg-Wilmersdorf',
  23   'FK': 'Friedrichshain-Kreuzberg',
  24   'Li': 'Lichtenberg',
  25   'MH': 'Marzahn-Hellersdorf',
  26   'Mi': 'Mitte',
  27   'Ne': 'Neukölln',
  28   'Pa': 'Pankow',
  29   'Re': 'Reinickendorf',
  30   'Sp': 'Spandau',
  31   'SZ': 'Steglitz-Zehlendorf',
  32   'TS': 'Tempelhof-Schöneberg',
  33   'TK': 'Treptow-Köpenick',
  34   'sum': 'all of Berlin',
  35   'wsum': 'sum of new infections for last 7 days',
  36   'wavg': 'per-day average of new infections for last 7 days',
  37   'winc': 'incidence (x per 100k inhabitants) of new infections for last 7 days',
  38 }
  39
  40 # Read infections table path and output type.
  41 import sys
  42 if len(sys.argv) != 3:
  43     print('Expecting infections table file path and output type as only arguments.')
  44     exit(1)
  45 infections_table = sys.argv[1]
  46 output_type = sys.argv[2]
  47
  48 # Read infections table file lines.
  49 f = open(infections_table, 'r')
  50 lines = f.readlines()
  51 f.close()
  52
  53 # Basic input validation.
  54 import datetime
  55 header_elements = lines[0].split()
  56 if set(header_elements) != district_pops.keys() or \
  57        len(header_elements) != len(district_pops.keys()):
  58     raise Exception('infections table: invalid header')
  59 line_count = 0
  60 for line in lines[1:]:
  61     line_count += 1
  62     fields = line.split()
  63     if len(header_elements) != len(fields) - 1:
  64         raise Exception('infections table: too many elements on line %s',
  65                         line_count)
  66     try:
  67         datetime.date.fromisoformat(fields[0])
  68     except ValueError:
  69         raise Exception('infections table: bad ISO date on line %s',
  70                         line_count)
  71     for field in fields[1:]:
  72         try:
  73             int(field)
  74         except ValueError:
  75             raise Exception('infections table: bad value on line %s',
  76                             line_count)
  77
  78 # Parse first table file line for the names and order of districts.
  79 db = {}
  80 sorted_districts = []
  81 for header in lines[0].split():
  82     sorted_districts += [header]
  83     db[header] = {}
  84
  85 # Seed DB with daily new infections data per district, per date.
  86 sorted_dates = []
  87 for line in lines[1:]:
  88     fields = line.split()
  89     date = fields[0]
  90     sorted_dates += [date]
  91     for i in range(len(sorted_districts)):
  92         district = sorted_districts[i]
  93         district_data = fields[i + 1]
  94         db[district][date] = {'new_infections': int(district_data)}
  95 sorted_dates.sort()
  96
  97 # Define and move sum_district from end to start.
  98 sum_district = sorted_districts.pop()
  99 sorted_districts.insert(0, sum_district)
 100
 101 # In LaGeSo's data, the last "district" is actually the sum of all districts /
 102 # the whole of Berlin.
 103 #
 104 # Fail on any day where the "sum" district's new infections are not the proper
 105 # sum of the individual districts new infections.  Yes, sometimes Lageso sends
 106 # data that is troubled in this way.  It will then have to be fixed manually in
 107 # the table file, since we should have a human look at what mistake was
 108 # probably made.
 109 for date in sorted_dates:
 110     day_sum = 0
 111     for district in [d for d in sorted_districts if not d==sum_district]:
 112         day_sum += db[district][date]['new_infections']
 113     if day_sum != db[sum_district][date]['new_infections']:
 114         raise Exception('Questionable district infection sum in %s' % date)
 115
 116 # Enhance DB with data about weekly sums, averages, incidences per day.  Ignore
 117 # days that have less than 6 predecessors (we can only know a weekly average if
 118 # we have a whole week of data).
 119 for i in range(len(sorted_dates)):
 120     if i < 6:
 121         continue
 122     date = sorted_dates[i]
 123     week_dates = []
 124     for j in range(7):
 125         week_dates += [sorted_dates[i - j]]
 126     for district in sorted_districts:
 127         district_pop = district_pops[district]
 128         week_sum = 0
 129         for week_date in week_dates:
 130             week_sum += db[district][week_date]['new_infections']
 131         db[district][date]['week_sum'] = week_sum
 132         db[district][date]['week_average'] = week_sum / 7
 133         db[district][date]['week_incidence'] = (week_sum / district_pop) * 100000
 134
 135 # Optimized for web browser viewing.
 136 if output_type == 'html':
 137     print("""<!DOCTYPE html>
 138 <html>
 139 <head>
 140 <style>
 141 th { text-align: left; vertical-align: bottom; }
 142 .day_row:nth-child(7n+3) > td { border-top: 1px solid black; }
 143 .vertical_header { writing-mode: vertical-rl; transform: rotate(180deg); font-weight: normal; }
 144 .fixed_head { position: sticky; top: 0; background-color: white; }
 145 .bold { font-weight: bold }
 146 </style>
 147 <title>Berlin's Corona infection numbers, development by districts</title>
 148 </head>
 149 <a href="/">home</a> · <a href="/contact.html">contact</a> · <a href="/privacy.html">privacy</a>
 150 <h1>Berlin's Corona infection numbers, development by districts</h1>
 151 <p>Updated daily at 9pm based on data from the "Senatsverwaltung für Gesundheit, Pflege und Gleichstellung". <a href="https://plomlompom.com/repos/?p=berlin-corona-table">Source code</a>. <a href="berlin_corona.txt">Text view optimized for terminal curl</a>.</p>
 152 <table>
 153 <tr>
 154 <th colspan=2></th>""")
 155     sorted_dates.reverse()
 156     for district in sorted_districts:
 157         long_form = translate[district]
 158         # Wrap in div because the vertical orientation otherwise fails
 159         # in Chromium.
 160         print('<th><div class="vertical_header">%s</div></th>' % long_form)
 161     print('</tr>')
 162     print('<tr class="fixed_head">')
 163     # In Chromium, the th only stay fixed if also given this class.
 164     print('<th class="fixed_head">date</th>')
 165     print('<th class="fixed_head"></th>')
 166     for district in sorted_districts:
 167         print('<th class="fixed_head">%s</th>' % district)
 168     print('</tr>')
 169     for date in sorted_dates:
 170         print('<tr class="day_row">')
 171         print('<td>%s</td>' % date)
 172         print('<td><table>')
 173         print('<tr><th><abbr title="new infections counted">new</abbr></th></tr>')
 174         for abbr in ['wsum', 'wavg', 'winc']:
 175             print('<tr><th><abbr title="%s">%s</abbr></th></tr>' %
 176                   (translate[abbr], abbr))
 177         print('</table></td>')
 178         for district in sorted_districts:
 179             district_data = db[district][date]
 180             week_sum = week_avg = week_inc = '?'
 181             new_infections = district_data['new_infections']
 182             if 'week_sum' in district_data:
 183                 week_sum = '%s' % district_data['week_sum']
 184             if 'week_average' in district_data:
 185                 week_avg = '%.1f' % district_data['week_average']
 186             if 'week_incidence' in district_data:
 187                 week_inc = '%.1f' % district_data['week_incidence']
 188             print('<td>')
 189             print('<table>')
 190             print('<tr><td class="bold">%s</td></tr>' % new_infections)
 191             print('<tr><td>%s</td></tr>' % week_sum)
 192             print('<tr><td>%s</td></tr>' % week_avg)
 193             print('<tr><td>%s</td></tr>' % week_inc)
 194             print('</table>')
 195             print('</td>')
 196         print('</tr>')
 197     print('</table>')
 198     print('</html>')
 199
 200 # Optimized for in-terminal curl.
 201 elif output_type == 'txt':
 202
 203     # Explain what this is.
 204     intro = \
 205 """Table of Berlin's Corona infection number development by districts.
 206 Updated daily at 9pm based on data from the "Senatsverwaltung für Gesundheit, Pflege und Gleichstellung".
 207
 208 Abbrevations/explanations:
 209 """
 210     for k in translate:
 211         intro += "%s: %s\n" % (k, translate[k])
 212     intro += """
 213 Source code: https://plomlompom.com/repos/?p=berlin-corona-table
 214 HTML view: https://plomlompom.com/berlin_corona.html
 215 """
 216     print(intro)
 217
 218     # Output table of enhanced daily infection data, newest on top,
 219     # separated into 7-day units.
 220     sorted_dates.reverse()
 221     weekday_count = 0
 222     for date in sorted_dates:
 223
 224         # Week table header.
 225         if weekday_count == 0:
 226             print(' '*11, '  '.join(sorted_districts[:-1]),
 227                   sorted_districts[-1], 'wsum', ' wavg', 'winc')
 228             week_start_date = date
 229
 230         # Day data line.
 231         new_infections = []
 232         for district in sorted_districts:
 233             new_infections += [db[district][date]['new_infections']]
 234         week_sum = week_avg = week_inc = ''
 235         sum_district_data = db[sum_district][date]
 236         if 'week_sum' in sum_district_data:
 237             week_sum = '%4s' % sum_district_data['week_sum']
 238         if 'week_average' in sum_district_data:
 239             week_avg = '%5.1f' % sum_district_data['week_average']
 240         if 'week_incidence' in sum_district_data:
 241             week_inc = '%4.1f' % sum_district_data['week_incidence']
 242         print(date, ' '.join(['%3s' % infections
 243                               for infections in new_infections]),
 244               week_sum, week_avg, week_inc)
 245
 246         # Maintain 7-day cycle.
 247         weekday_count += 1
 248         if weekday_count != 7:
 249             continue
 250         weekday_count = 0
 251
 252         # After each 7 days, print summary for individual districts.
 253         weekly_sums = []
 254         weekly_avgs = []
 255         weekly_incs = []
 256         for district in sorted_districts[:-1]:
 257             weekly_sums += [db[district][week_start_date]['week_sum']]
 258             weekly_avgs += [db[district][week_start_date]['week_average']]
 259             weekly_incs += [db[district][week_start_date]['week_incidence']]
 260         print()
 261         print('district stats for week from %s to %s:' % (date, week_start_date))
 262         print(' '*7, '    '.join(sorted_districts[:-1]))
 263         print('wsum', ' '.join(['%5.1f' % wsum for wsum in weekly_sums]))
 264         print('wavg', ' '.join(['%5.1f' % wavg for wavg in weekly_avgs]))
 265         print('winc', ' '.join(['%5.1f' % winc for winc in weekly_incs]))
 266         print()