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:\t(.*)-devel')
  16 DIR = '/home/users/builder/rpm/packages'
  17
  18 packages = {}
  19 packages_res = {}
  20
  21 def build_requires(name):
  22         res = []
  23         with open(os.path.join(DIR, name, name + '.spec'), 'r') as f:
  24                 for line in f:
  25                         br = PATTERN.match(line)
  26                         if br:
  27                                 p = br.group(1)
  28                                 if p in packages:
  29                                         res.append(p)
  30         return res
  31
  32 def print_packages(p):
  33         if packages_res[p] == 1:
  34                 return
  35         for pp in packages[p]:
  36                 print_packages(pp)
  37         packages_res[p] = 1
  38         print p#, packages[p]
  39
  40 if __name__ == "__main__":
  41         if len(sys.argv) < 2:
  42                 print "Usage: %s filename" % sys.argv[0]
  43                 sys.exit(1)
  44         with open(sys.argv[1], 'r') as f:
  45                 for line in f:
  46                         p = line.rstrip()
  47                         packages[p] = []
  48                         packages_res[p] = 0
  49         for p in packages.keys():
  50                 res = build_requires(p)
  51                 if res:
  52                         packages[p] = res[:]
  53
  54 #       for p in packages.keys():
  55 #               print p, packages[p]
  56
  57         for p in packages.keys():
  58                 print_packages(p)