debian/update-helper-control.py

   1 #! /usr/bin/env python3
   2 #
   3 # based on https://anonscm.debian.org/viewvc/pkg-boost/boost/
   4 #    trunk/debian/update-control.py
   5 #
   6
   7 import re
   8 import sys
   9
  10 from deb822 import Deb822
  11
  12 gOldVersion = None
  13 gNewVersion = None
  14
  15
  16 class DpdkVersion:
  17     def __init__(self, version):
  18         (self.Major, self.Minor) = version.split('.')
  19         self.PackageVersion = self.Major + '.' + self.Minor
  20
  21
  22 def replaceVersion(string, ver1, ver2):
  23     '''Search 'string' for a DpdkVersion ver1.  If
  24     SharedObjectVersion or PackageVersion of ver1 is found, replace by
  25     corresponding ver2 version string.  Return the updated string.'''
  26     string = re.sub(ver1.PackageVersion, ver2.PackageVersion, string)
  27     return string
  28
  29
  30 def updateVersionedValue(paragraph, key):
  31     if key not in paragraph:
  32         return
  33     oldValue = paragraph[key]
  34     paragraph[key] = replaceVersion(paragraph[key], gOldVersion, gNewVersion)
  35     return (oldValue, paragraph[key])
  36
  37
  38 def conflictsWithPrevious(paragraph):
  39     if 'Conflicts' not in paragraph:
  40         return False
  41     nameRe = re.sub('\d', '\\d', paragraph['Package'])
  42     return re.search(nameRe, paragraph['Conflicts']) is not None
  43
  44
  45 def updateConflicts(paragraph, oldPkgName):
  46     newPkgName = paragraph['Package']
  47     needsConflict = ((newPkgName.endswith("-dev")
  48                       and not newPkgName.endswith("-all-dev"))
  49                      or conflictsWithPrevious(paragraph))
  50     if not needsConflict:
  51         return
  52     if 'Conflicts' in paragraph:
  53         if paragraph['Conflicts'].find(oldPkgName) == -1:
  54             paragraph['Conflicts'] += ', ' + oldPkgName
  55     else:
  56         paragraph['Conflicts'] = oldPkgName
  57
  58
  59 def processSourceParagraph(p):
  60     updateVersionedValue(p, 'Source')
  61
  62
  63 def processPackageParagraph(p):
  64     (oldPkgName, newPkgName) = updateVersionedValue(p, 'Package')
  65     updateVersionedValue(p, 'Depends')
  66     updateVersionedValue(p, 'Recommends')
  67     updateVersionedValue(p, 'Suggests')
  68     updateConflicts(p, oldPkgName)
  69
  70
  71 def printParagraph(p):
  72     for key in p.keys():
  73         print("%s: %s" % (key, p[key]))
  74
  75
  76 def processControl():
  77     firstParagraph = True
  78     for paragraph in Deb822.iter_paragraphs(open('control')):
  79         if firstParagraph:
  80             processSourceParagraph(paragraph)
  81             printParagraph(paragraph)
  82             firstParagraph = False
  83         else:
  84             processPackageParagraph(paragraph)
  85             print
  86             printParagraph(paragraph)
  87
  88
  89 if len(sys.argv) < 3:
  90     print("Usage: cd debian/; %s <old version> <new version>"
  91           " > control_new" % sys.argv[0])
  92     exit(1)
  93
  94 gOldVersion = DpdkVersion(sys.argv[1])
  95 gNewVersion = DpdkVersion(sys.argv[2])
  96 processControl()
  97 print