1 from xml
.dom
import minidom
2 from zeroinstall
import SafeException
3 from zeroinstall
.zerostore
import Store
, manifest
5 from zeroinstall
.zerostore
import unpack
7 # Older versions don't have it
9 from zeroinstall
.injector
import namespaces
10 import os
, time
, re
, shutil
, tempfile
13 """Like shutil.rmtree, except that we also delete with read-only items.
14 @param root: the root of the subtree to remove
17 for main
, dirs
, files
in os
.walk(root
):
21 def manifest_for_dir(dir, alg
):
23 # (for older versions of the injector)
26 def new_digest(self
): return sha
.new()
27 def generate_manifest(self
, dir): return manifest
.generate_manifest(dir)
28 def getID(self
, digest
): return 'sha1=' + digest
.hexdigest()
31 algorithm
= manifest
.get_algorithm(alg
)
33 digest
= algorithm
.new_digest()
34 for line
in algorithm
.generate_manifest(dir):
35 digest
.update(line
+ '\n')
36 return algorithm
.getID(digest
)
38 def autopackage_get_start_offset(package
):
39 for line
in file(package
):
40 if line
.startswith('export dataSize=') or line
.startswith('export data_size='):
41 return os
.path
.getsize(package
) - int(line
.split('"', 2)[1])
42 raise Exception("Can't find payload in autopackage (missing 'dataSize')")
44 def add_archive(data
, url
, local_file
, extract
, alg
):
45 if local_file
is None:
46 local_file
= os
.path
.abspath(os
.path
.basename(url
))
47 if not os
.path
.exists(local_file
):
48 raise SafeException("Use --archive-file option to specify a local copy of the archive "
49 "(default file '%s' does not exist)" % local_file
)
51 doc
= minidom
.parseString(data
)
56 if local_file
.endswith('.package'):
57 start_offset
= autopackage_get_start_offset(local_file
)
58 type = 'application/x-bzip-compressed-tar'
63 all_impls
= doc
.documentElement
.getElementsByTagNameNS(namespaces
.XMLNS_IFACE
, 'implementation')
64 tmpdir
= tempfile
.mkdtemp('-0publish')
66 if start_offset
or type:
67 unpack
.unpack_archive(url
, file(local_file
), tmpdir
, extract
, start_offset
= start_offset
, type = type)
69 unpack
.unpack_archive(url
, file(local_file
), tmpdir
, extract
)
71 extracted
= os
.path
.join(tmpdir
, extract
)
75 archive_id
= manifest_for_dir(extracted
, alg
)
80 for impl
in all_impls
:
81 this_id
= impl
.getAttribute('id')
82 if this_id
== archive_id
:
84 if this_id
.startswith('/') or this_id
.startswith('.'):
85 local_ifaces
.append(impl
)
87 if len(local_ifaces
) == 0:
88 raise Exception('Nothing with id "%s", and no local implementations' % archive_id
)
89 if len(local_ifaces
) > 1:
90 raise Exception('Nothing with id "%s", and multiple local implementations!' % archive_id
)
91 impl
= local_ifaces
[0]
92 impl
.setAttribute('id', archive_id
)
94 assert impl
.getAttribute('id') == archive_id
96 nl
= doc
.createTextNode('\n ')
99 archive
= doc
.createElementNS(namespaces
.XMLNS_IFACE
, 'archive')
100 impl
.appendChild(archive
)
101 archive
.setAttribute('href', url
)
102 archive
.setAttribute('size', str(os
.stat(local_file
).st_size
- start_offset
))
103 if extract
is not None:
104 archive
.setAttribute('extract', extract
)
106 archive
.setAttribute('start-offset', str(start_offset
))
108 archive
.setAttribute('type', type)
110 nl
= doc
.createTextNode('\n ')