support/scripts/pkgutil.py

   1 # Copyright (C) 2010-2013 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   2
   3 import sys
   4 import subprocess
   5
   6 # Execute the "make <pkg>-show-version" command to get the version of a given
   7 # list of packages, and return the version formatted as a Python dictionary.
   8 def get_version(pkgs):
   9     sys.stderr.write("Getting version for %s\n" % pkgs)
  10     cmd = ["make", "-s", "--no-print-directory" ]
  11     for pkg in pkgs:
  12         cmd.append("%s-show-version" % pkg)
  13     p = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
  14     output = p.communicate()[0]
  15     if p.returncode != 0:
  16         sys.stderr.write("Error getting version %s\n" % pkgs)
  17         sys.exit(1)
  18     output = output.split("\n")
  19     if len(output) != len(pkgs) + 1:
  20         sys.stderr.write("Error getting version\n")
  21         sys.exit(1)
  22     version = {}
  23     for i in range(0, len(pkgs)):
  24         pkg = pkgs[i]
  25         version[pkg] = output[i]
  26     return version
  27
  28 def _get_depends(pkgs, rule):
  29     sys.stderr.write("Getting dependencies for %s\n" % pkgs)
  30     cmd = ["make", "-s", "--no-print-directory" ]
  31     for pkg in pkgs:
  32         cmd.append("%s-%s" % (pkg, rule))
  33     p = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
  34     output = p.communicate()[0]
  35     if p.returncode != 0:
  36         sys.stderr.write("Error getting dependencies %s\n" % pkgs)
  37         sys.exit(1)
  38     output = output.split("\n")
  39     if len(output) != len(pkgs) + 1:
  40         sys.stderr.write("Error getting dependencies\n")
  41         sys.exit(1)
  42     deps = {}
  43     for i in range(0, len(pkgs)):
  44         pkg = pkgs[i]
  45         pkg_deps = output[i].split(" ")
  46         if pkg_deps == ['']:
  47             deps[pkg] = []
  48         else:
  49             deps[pkg] = pkg_deps
  50     return deps
  51
  52 # Execute the "make <pkg>-show-depends" command to get the list of
  53 # dependencies of a given list of packages, and return the list of
  54 # dependencies formatted as a Python dictionary.
  55 def get_depends(pkgs):
  56     return _get_depends(pkgs, 'show-depends')
  57
  58 # Execute the "make <pkg>-show-rdepends" command to get the list of
  59 # reverse dependencies of a given list of packages, and return the
  60 # list of dependencies formatted as a Python dictionary.
  61 def get_rdepends(pkgs):
  62     return _get_depends(pkgs, 'show-rdepends')