compare/compare.py

   1 #!/usr/bin/python
   2
   3 import sys
   4 from tempfile import mkdtemp
   5 from os import mkdir, system
   6 import rpm
   7
   8
   9 def compare_header(refspec, altspec):
  10     refhdr = refspec.packages()[0].header()
  11     althdr = altspec.packages()[0].header()
  12
  13     refname = refhdr[rpm.RPMTAG_NAME]
  14     altname = althdr[rpm.RPMTAG_NAME]
  15
  16     refver = refhdr[rpm.RPMTAG_VERSION]
  17     altver = althdr[rpm.RPMTAG_VERSION]
  18
  19     reflic = refhdr[rpm.RPMTAG_LICENSE]
  20     altlic = althdr[rpm.RPMTAG_LICENSE]
  21
  22     refurl = refhdr[rpm.RPMTAG_URL]
  23     alturl = althdr[rpm.RPMTAG_URL]
  24
  25     if refver != altver:
  26         print "WARNING: different version: '%s': '%s' != '%s': '%s'" % (refname, refver, altname, altver)
  27
  28     if refver != altver:
  29         print "WARNING: different license: '%s': '%s' != '%s': '%s'" % (refname, reflic, altname, altlic)
  30
  31     if refver != altver:
  32         print "WARNING: different URL: '%s': '%s' != '%s': '%s'" % (refname, refurl, altname, alturl)
  33
  34 def compare_sources(refspec, altspec):
  35     refsrc = []
  36     altsrc = []
  37     refsrcname = []
  38     altsrcname = []
  39     for src in refspec.sources():
  40         if src[2] == rpm.RPMBUILD_ISSOURCE:
  41             uri = src[0]
  42             offset = uri.rfind("/")
  43             if offset != -1:
  44                 baseuri = uri[0:offset]
  45                 srcname = uri[offset+1:]
  46             else:
  47                 baseuri = ""
  48                 srcname = uri
  49             refsrc.append([baseuri, srcname])
  50             refsrcname.append(srcname)
  51
  52     for src in altspec.sources():
  53         if src[2] == rpm.RPMBUILD_ISSOURCE:
  54             uri = src[0]
  55             offset = uri.rfind("/")
  56             if offset != -1:
  57                 baseuri = uri[0:offset]
  58                 srcname = uri[offset+1:]
  59             else:
  60                 baseuri = ""
  61                 srcname = uri
  62             altsrc.append([baseuri, srcname])
  63             altsrcname.append(srcname)
  64
  65
  66     for s in refsrc:
  67         if not s[1] in altsrcname:
  68             print "WARNING: missing source: '%s'" % s[1]
  69     for s in altsrc:
  70         if not s[1] in refsrcname:
  71             print "WARNING: extra source: '%s'" % s[1]
  72
  73     for s1 in refsrc:
  74         for s2 in altsrc:
  75             if s1[1] != s2[1]:
  76                 continue
  77             if s1[0] != s2[0]:
  78                 print "WARNING: different base URI for source '%s': '%s' != '%s'" % (s1[1], s1[0], s2[0])
  79
  80
  81 def compare_patches(refspec, altspec):
  82     refpatch = []
  83     altpatch = []
  84     for src in refspec.sources():
  85         if src[2] == rpm.RPMBUILD_ISPATCH:
  86             refpatch.append(src[0])
  87     for src in altspec.sources():
  88         if src[2] == rpm.RPMBUILD_ISPATCH:
  89             altpatch.append(src[0])
  90
  91     for p in refpatch:
  92         if not p in altpatch:
  93             print "WARNING missing patch '%s'" % p
  94
  95     for p in altpatch:
  96         if not p in refpatch:
  97             print "WARNING extra patch '%s'" % p
  98
  99 scratchdir = mkdtemp("rpm-source-compare")
 100
 101 if len(sys.argv) != 3:
 102     print "syntax: %s REFERENCE-SPEC ALTERNATE-SPEC" % sys.argv[0]
 103     sys.exit(1)
 104
 105 refspecfile = sys.argv[1]
 106 altspecfile = sys.argv[2]
 107
 108 ts = rpm.ts()
 109
 110 refspec = ts.parseSpec(refspecfile)
 111 altspec = ts.parseSpec(altspecfile)
 112
 113 compare_header(refspec, altspec)
 114 compare_sources(refspec, altspec)
 115 compare_patches(refspec, altspec)
 116