util/gather_git_credits.py

   1 #!/usr/bin/env python3
   2 import subprocess
   3 import re
   4 from collections import defaultdict
   5
   6 codefiles = r"(\.[ch](pp)?|\.lua|\.md|\.cmake|\.java|\.gradle|Makefile|CMakeLists\.txt)$"
   7
   8 # two minor versions back, for "Active Contributors"
   9 REVS_ACTIVE = "5.2.0..HEAD"
  10 # all time, for "Previous Contributors"
  11 REVS_PREVIOUS = "HEAD"
  12
  13 CUTOFF_ACTIVE = 3
  14 CUTOFF_PREVIOUS = 21
  15
  16 # For a description of the points system see:
  17 # https://github.com/minetest/minetest/pull/9593#issue-398677198
  18
  19 def load(revs):
  20         points = defaultdict(int)
  21         p = subprocess.Popen(["git", "log", "--mailmap", "--pretty=format:%h %aN <%aE>", revs],
  22                 stdout=subprocess.PIPE, universal_newlines=True)
  23         for line in p.stdout:
  24                 hash, author = line.strip().split(" ", 1)
  25                 n = 0
  26
  27                 p2 = subprocess.Popen(["git", "show", "--numstat", "--pretty=format:", hash],
  28                         stdout=subprocess.PIPE, universal_newlines=True)
  29                 for line in p2.stdout:
  30                         added, deleted, filename = re.split(r"\s+", line.strip(), 2)
  31                         if re.search(codefiles, filename) and added != "-":
  32                                 n += int(added)
  33                 p2.wait()
  34
  35                 if n == 0:
  36                         continue
  37                 if n > 1200:
  38                         n = 8
  39                 elif n > 700:
  40                         n = 4
  41                 elif n > 100:
  42                         n = 2
  43                 else:
  44                         n = 1
  45                 points[author] += n
  46         p.wait()
  47
  48         # Some authors duplicate? Don't add manual workarounds here, edit the .mailmap!
  49         for author in ("updatepo.sh <script@mt>", "Weblate <42@minetest.ru>"):
  50                 points.pop(author, None)
  51         return points
  52
  53 points_active = load(REVS_ACTIVE)
  54 points_prev = load(REVS_PREVIOUS)
  55
  56 with open("results.txt", "w") as f:
  57         for author, points in sorted(points_active.items(), key=(lambda e: e[1]), reverse=True):
  58                 if points < CUTOFF_ACTIVE: break
  59                 points_prev.pop(author, None) # active authors don't appear in previous
  60                 f.write("%d\t%s\n" % (points, author))
  61         f.write('\n---------\n\n')
  62         once = True
  63         for author, points in sorted(points_prev.items(), key=(lambda e: e[1]), reverse=True):
  64                 if points < CUTOFF_PREVIOUS and once:
  65                         f.write('\n---------\n\n')
  66                         once = False
  67                 f.write("%d\t%s\n" % (points, author))