devscripts/gh-pages/update-feed.py

   1 #!/usr/bin/env python3
   2 from __future__ import unicode_literals
   3
   4 import datetime
   5 import io
   6 import json
   7 import textwrap
   8
   9
  10 atom_template = textwrap.dedent("""\
  11     <?xml version="1.0" encoding="utf-8"?>
  12     <feed xmlns="http://www.w3.org/2005/Atom">
  13         <link rel="self" href="http://rg3.github.io/youtube-dl/update/releases.atom" />
  14         <title>youtube-dl releases</title>
  15         <id>https://yt-dl.org/feed/youtube-dl-updates-feed</id>
  16         <updated>@TIMESTAMP@</updated>
  17         @ENTRIES@
  18     </feed>""")
  19
  20 entry_template = textwrap.dedent("""
  21     <entry>
  22         <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-@VERSION@</id>
  23         <title>New version @VERSION@</title>
  24         <link href="http://rg3.github.io/youtube-dl" />
  25         <content type="xhtml">
  26             <div xmlns="http://www.w3.org/1999/xhtml">
  27                 Downloads available at <a href="https://yt-dl.org/downloads/@VERSION@/">https://yt-dl.org/downloads/@VERSION@/</a>
  28             </div>
  29         </content>
  30         <author>
  31             <name>The youtube-dl maintainers</name>
  32         </author>
  33         <updated>@TIMESTAMP@</updated>
  34     </entry>
  35     """)
  36
  37 now = datetime.datetime.now()
  38 now_iso = now.isoformat() + 'Z'
  39
  40 atom_template = atom_template.replace('@TIMESTAMP@', now_iso)
  41
  42 versions_info = json.load(open('update/versions.json'))
  43 versions = list(versions_info['versions'].keys())
  44 versions.sort()
  45
  46 entries = []
  47 for v in versions:
  48     fields = v.split('.')
  49     year, month, day = map(int, fields[:3])
  50     faked = 0
  51     patchlevel = 0
  52     while True:
  53         try:
  54             datetime.date(year, month, day)
  55         except ValueError:
  56             day -= 1
  57             faked += 1
  58             assert day > 0
  59             continue
  60         break
  61     if len(fields) >= 4:
  62         try:
  63             patchlevel = int(fields[3])
  64         except ValueError:
  65             patchlevel = 1
  66     timestamp = '%04d-%02d-%02dT00:%02d:%02dZ' % (year, month, day, faked, patchlevel)
  67
  68     entry = entry_template.replace('@TIMESTAMP@', timestamp)
  69     entry = entry.replace('@VERSION@', v)
  70     entries.append(entry)
  71
  72 entries_str = textwrap.indent(''.join(entries), '\t')
  73 atom_template = atom_template.replace('@ENTRIES@', entries_str)
  74
  75 with io.open('update/releases.atom', 'w', encoding='utf-8') as atom_file:
  76     atom_file.write(atom_template)