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Viewing changes to ipkg-utils-1.7/ipkg-show-deps

  • Committer: Bazaar Package Importer
  • Author(s): Heiko Stuebner
  • Date: 2011-01-22 13:55:12 UTC
  • mfrom: (1.1.5 upstream)
  • Revision ID: james.westby@ubuntu.com-20110122135512-1mik0vssgpnx2fgu
Tags: 0.8.0.3-1
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ipkg-utils-1.7/ipkg-show-deps
 
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#!/usr/bin/python
 
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# $Id: ipkg-show-deps,v 1.2 2004/03/06 13:08:33 pb Exp $
 
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import sys, os, posixpath
 
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from glob import glob
 
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import commands
 
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import ipkg
 
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import getopt
 
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import string
 
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import re
 
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verbose = 0
 
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def usage():
 
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     sys.stderr.write("%s [-p Packages] package ...\n" % (sys.argv[0],))
 
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     sys.exit(-1)
 
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packages_filename = "Packages"
 
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(opts, remaining_args) = getopt.getopt(sys.argv[1:], "hp:")
 
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for (optkey, optval) in opts:
 
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     if optkey == '-h': 
 
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          usage()
 
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     if optkey == '-p': 
 
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          packages_filename = optval
 
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if ( not remaining_args ):
 
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     usage()
 
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packages = ipkg.Packages()
 
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packages.read_packages_file(packages_filename)
 
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required = {}
 
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provider_hash = {}
 
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def split_list(str):
 
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     r = []
 
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     l = string.split(str, ",")
 
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     for i in l:
 
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          ll = string.split(i, "|")
 
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          for ii in ll:
 
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               ii = string.strip(ii)
 
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               r.append(ii)
 
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     return r
 
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for i in packages.packages.keys():
 
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     p = packages.packages[i]
 
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     if not provider_hash.has_key(p.package):
 
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          provider_hash[p.package] = []
 
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     provider_hash[p.package].append(p)
 
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     if p.provides:
 
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          provides = string.split(p.provides, ",")
 
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          for prov in provides:
 
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               prov = string.strip(prov)
 
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               if not provider_hash.has_key(prov):
 
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                    provider_hash[prov] = []
 
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               provider_hash[prov].append(p)
 
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def find_package(name):
 
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     if provider_hash.has_key(name):
 
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          return provider_hash[name]
 
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     return None
 
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def recurse(pkg):
 
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     required[pkg.package] = 1
 
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     if pkg.depends:
 
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          deps = split_list(pkg.depends)
 
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          for dep in deps:
 
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               dep = re.sub("\s*\(.*\)", "", dep)
 
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               dep = re.sub("\*$", "", dep)
 
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               newpkgs = find_package(dep)
 
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               if newpkgs:
 
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                    for newpkg in newpkgs:
 
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                         if required.has_key(newpkg.package):
 
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                              return
 
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                    recurse(newpkgs[0])
 
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               else:
 
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                    sys.stderr.write("unsatisfied dependency of %s on '%s'\n" % (pkg.package, dep))
 
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for root in remaining_args:
 
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     pkgs = find_package(root)
 
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     if not pkgs:
 
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          sys.stderr.write("Can't find root package '%s'\n" % root)
 
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          sys.exit(-1)
 
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     for p in pkgs:
 
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          recurse(p)
 
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for pkg in required.keys():
 
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     print pkg
 
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