TLD_Builder/poldek.py

   1 # vi: encoding=utf-8 ts=8 sts=4 sw=4 et
   2
   3 import re
   4 import types
   5 import string
   6
   7 from chroot import *
   8 from util import *
   9
  10
  11 def get_poldek_requires():
  12     # precompile regexps
  13     name_rx = re.compile(r"\d+\. ([^\s]+)-[^-]+-[^-]+\n")
  14     req_rx = re.compile(r" req .* --> (.*)\n")
  15     pkg_name_rx = re.compile(r"([^\s]+)-[^-]+-[^-]+")
  16
  17     # todo: if a and b are sets, then use sets module
  18     # and intersection method on set object
  19     def intersect(a, b):
  20         r = []
  21         for x in a:
  22             if x in b: r.append(x)
  23         return r
  24
  25     # add given req-list to cur_pkg_reqs
  26     def add_req(reqs):
  27         if len(reqs) == 1:
  28             if reqs[0] not in cur_pkg_reqs:
  29                 cur_pkg_reqs.append(reqs[0])
  30         else:
  31             did = 0
  32             for x in cur_pkg_reqs:
  33                 if type(x) is types.ListType:
  34                     i = intersect(x, reqs)
  35                     if len(i) == 0:
  36                         continue
  37                     did = 1
  38                     idx = cur_pkg_reqs.index(x)
  39                     if len(i) == 1:
  40                         if i[0] in cur_pkg_reqs:
  41                             del cur_pkg_reqs[idx]
  42                         else:
  43                             cur_pkg_reqs[idx] = i[0]
  44                     else:
  45                         cur_pkg_reqs[idx] = i
  46                 else:
  47                     if x in reqs:
  48                         return
  49             if not did:
  50                 cur_pkg_reqs.append(reqs)
  51
  52     pkg_reqs = {}
  53     cur_pkg_reqs = None
  54     cur_pkg = None
  55
  56     f = chr_popen("poldek -v -v --verify --unique-pkg-names")
  57     for l in f:
  58         m = name_rx.match(l)
  59         if m:
  60             if cur_pkg:
  61                 pkg_reqs[cur_pkg] = cur_pkg_reqs
  62             cur_pkg = m.groups(1)
  63             if cur_pkg in pkg_reqs:
  64                 cur_pkg = None
  65                 cur_pkg_reqs = None
  66             else:
  67                 cur_pkg_reqs = []
  68             continue
  69         m = req_rx.match(l)
  70         if m:
  71             reqs = []
  72             for x in m.group(1).split():
  73                 if x in ["RPMLIB_CAP", "NOT", "FOUND", "UNMATCHED"]: continue
  74                 m = pkg_name_rx.match(x)
  75                 if m:
  76                     reqs.append(m.group(1))
  77                 else:
  78                     msg("poldek_reqs: bad pkg name: %s\n" % x)
  79             if len(reqs) != 0: add_req(reqs)
  80
  81     f.close()
  82
  83     if cur_pkg:
  84         pkg_reqs[cur_pkg] = cur_pkg_reqs
  85
  86     return pkg_reqs