include_deps.py

   1 # Copyright (C) 2007, Thomas Leonard
   2 # See http://0install.net/0compile.html
   3
   4 import os, __main__
   5 import shutil
   6
   7 from zeroinstall import SafeException
   8 from zeroinstall.zerostore import manifest
   9
  10 from support import BuildEnv, ensure_dir, lookup
  11
  12 def do_include_deps(args):
  13         """include-deps"""
  14         buildenv = BuildEnv()
  15
  16         depdir = os.path.realpath('dependencies')
  17         ensure_dir(depdir)
  18
  19         dirs_to_copy = []
  20
  21         sels = buildenv.get_selections()
  22         for needed_iface in sels.selections:
  23                 impl = buildenv.chosen_impl(needed_iface)
  24                 assert impl
  25                 if impl.local_path is not None:
  26                         raise SafeException("Can't export '%s' as it's a local implementation (not supported yet; sorry)" % impl)
  27                 if not impl.id.startswith('package:'):
  28                         dirs_to_copy.append(lookup(impl))
  29
  30         copied = 0
  31         for cached in dirs_to_copy:
  32                 required_digest = os.path.basename(cached)
  33                 target_impl_dir = os.path.join(depdir, required_digest)
  34                 if not os.path.isdir(target_impl_dir):
  35                         if required_digest.startswith('sha1='):
  36                                 shutil.copytree(cached, target_impl_dir)
  37                         else:
  38                                 manifest_data = file(os.path.join(cached, '.manifest')).read()
  39                                 manifest.copy_tree_with_verify(cached, depdir, manifest_data, required_digest)
  40                         copied += 1
  41
  42         print "Copied %d dependencies to %s (%d already there)" % (copied, depdir, len(dirs_to_copy) - copied)
  43
  44 __main__.commands.append(do_include_deps)