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      1 #!/usr/bin/python3
      2 
      3 import itertools
      4 import os
      5 import re
      6 import subprocess
      7 
      8 HTML = r'''
      9 <!DOCTYPE html>
     10 <html>
     11   <head>
     12     <link rel="stylesheet" href="http://libuv.org/styles/vendor.css">
     13     <link rel="stylesheet" href="http://libuv.org/styles/main.css">
     14     <style>
     15     table {{
     16       border-spacing: 0;
     17     }}
     18     body table {{
     19       margin: 0 0 0 12pt;
     20     }}
     21     th, td {{
     22       padding: 2pt;
     23       text-align: left;
     24       vertical-align: top;
     25     }}
     26     table table {{
     27       border-collapse: initial;
     28       padding: 0 0 16pt 0;
     29     }}
     30     table table tr:nth-child(even) {{
     31       background-color: #777;
     32     }}
     33     </style>
     34   </head>
     35   <body>
     36     <table>{groups}</table>
     37   </body>
     38 </html>
     39 '''
     40 
     41 GROUPS = r'''
     42 <tr>
     43   <td>{groups[0]}</td>
     44   <td>{groups[1]}</td>
     45   <td>{groups[2]}</td>
     46   <td>{groups[3]}</td>
     47 </tr>
     48 '''
     49 
     50 GROUP = r'''
     51 <table>
     52   <tr>
     53     <th>version</th>
     54     <th>tarball</th>
     55     <th>gpg</th>
     56     <th>windows</th>
     57   </tr>
     58   {rows}
     59 </table>
     60 '''
     61 
     62 ROW = r'''
     63 <tr>
     64   <td>
     65     <a href="http://dist.libuv.org/dist/{tag}/">{tag}</a>
     66   </td>
     67   <td>
     68     <a href="http://dist.libuv.org/dist/{tag}/libuv-{tag}.tar.gz">tarball</a>
     69   </td>
     70   <td>{maybe_gpg}</td>
     71   <td>{maybe_exe}</td>
     72 </tr>
     73 '''
     74 
     75 GPG = r'''
     76 <a href="http://dist.libuv.org/dist/{tag}/libuv-{tag}.tar.gz.sign">gpg</a>
     77 '''
     78 
     79 # The binaries don't have a predictable name, link to the directory instead.
     80 EXE = r'''
     81 <a href="http://dist.libuv.org/dist/{tag}/">exe</a>
     82 '''
     83 
     84 def version(tag):
     85   return list(map(int, re.match('^v(\d+)\.(\d+)\.(\d+)', tag).groups()))
     86 
     87 def major_minor(tag):
     88   return version(tag)[:2]
     89 
     90 def row_for(tag):
     91   maybe_gpg = ''
     92   maybe_exe = ''
     93   # We didn't start signing releases and producing Windows installers
     94   # until v1.7.0.
     95   if version(tag) >= version('v1.7.0'):
     96     maybe_gpg = GPG.format(**locals())
     97     maybe_exe = EXE.format(**locals())
     98   return ROW.format(**locals())
     99 
    100 def group_for(tags):
    101   rows = ''.join(row_for(tag) for tag in tags)
    102   return GROUP.format(rows=rows)
    103 
    104 # Partition in groups of |n|.
    105 def groups_for(groups, n=4):
    106   html = ''
    107   groups = groups[:] + [''] * (n - 1)
    108   while len(groups) >= n:
    109     html += GROUPS.format(groups=groups)
    110     groups = groups[n:]
    111   return html
    112 
    113 if __name__ == '__main__':
    114   os.chdir(os.path.dirname(__file__))
    115   tags = subprocess.check_output(['git', 'tag'], text=True)
    116   tags = [tag for tag in tags.split('\n') if tag.startswith('v')]
    117   tags.sort(key=version, reverse=True)
    118   groups = [group_for(list(g)) for _, g in itertools.groupby(tags, major_minor)]
    119   groups = groups_for(groups)
    120   html = HTML.format(groups=groups).strip()
    121   html = re.sub('>\\s+<', '><', html)
    122   print(html)
    123