sort-pkgs

   1 #!/usr/bin/python
   2
   3 """
   4 This script tries to set ordering in which packages ought to be sent to builders.
   5 Input: file with names of packages (without the .spec suffix). One package name per line.
   6 Output: sorted packages on stdout.
   7
   8 If the script goes in a infinite loop, that means there is a cycle or other bug.
   9 """
  10
  11 import os
  12 import re
  13 import sys
  14
  15 PATTERN = re.compile('BuildRequires:\s+(.*?)(\s|$|-devel)')
  16 DIR = '/home/users/builder/rpm/packages'
  17
  18 packages = {}
  19 packages_res = {}
  20
  21 def build_requires(name):
  22         global packages
  23         res = []
  24         with open(os.path.join(DIR, name, name + '.spec'), 'r') as f:
  25                 for line in f:
  26                         br = PATTERN.match(line)
  27                         if br:
  28                                 p = br.group(1)
  29                                 if p in packages:
  30                                         res.append(p)
  31         return res
  32
  33 def print_packages(p):
  34         global packages, packages_res
  35
  36         if not packages_res[p]:
  37                 packages_res[p] = 1
  38                 for pp in packages[p]:
  39                         if not packages_res[pp]:
  40                                 print_packages(pp)
  41                 print p
  42
  43 if __name__ == "__main__":
  44         if len(sys.argv) < 2:
  45                 print "Usage: %s filename" % sys.argv[0]
  46                 sys.exit(1)
  47         with open(sys.argv[1], 'r') as f:
  48                 for line in f:
  49                         p = line.rstrip()
  50                         packages[p] = []
  51                         packages_res[p] = 0
  52         for p in packages.keys():
  53                 res = build_requires(p)
  54                 if res:
  55                         packages[p] = res[:]
  56
  57 #       for p in packages.keys():
  58 #               print p, packages[p]
  59
  60         for p in packages.keys():
  61                 print_packages(p)