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
12 def manifest_for_dir(dir, alg
):
14 # (for older versions of the injector)
17 def new_digest(self
): return sha
.new()
18 def generate_manifest(self
, dir): return manifest
.generate_manifest(dir)
19 def getID(self
, digest
): return 'sha1=' + digest
.hexdigest()
22 algorithm
= manifest
.get_algorithm(alg
)
24 digest
= algorithm
.new_digest()
25 for line
in algorithm
.generate_manifest(dir):
26 digest
.update(line
+ '\n')
27 return algorithm
.getID(digest
)
29 def autopackage_get_start_offset(package
):
30 for line
in file(package
):
31 if line
.startswith('export dataSize=') or line
.startswith('export data_size='):
32 return os
.path
.getsize(package
) - int(line
.split('"', 2)[1])
33 raise Exception("Can't find payload in autopackage (missing 'dataSize')")
35 def add_archive(data
, url
, local_file
, extract
, alg
):
36 if local_file
is None:
37 local_file
= os
.path
.abspath(os
.path
.basename(url
))
38 if not os
.path
.exists(local_file
):
39 raise SafeException("Use --archive-file option to specify a local copy of the archive "
40 "(default file '%s' does not exist)" % local_file
)
42 doc
= minidom
.parseString(data
)
47 if local_file
.endswith('.package'):
48 start_offset
= autopackage_get_start_offset(local_file
)
49 type = 'application/x-bzip-compressed-tar'
54 all_impls
= doc
.documentElement
.getElementsByTagNameNS(namespaces
.XMLNS_IFACE
, 'implementation')
55 tmpdir
= tempfile
.mkdtemp('-0publish')
57 if start_offset
or type:
58 unpack
.unpack_archive(url
, file(local_file
), tmpdir
, extract
, start_offset
= start_offset
, type = type)
60 unpack
.unpack_archive(url
, file(local_file
), tmpdir
, extract
)
62 extracted
= os
.path
.join(tmpdir
, extract
)
66 archive_id
= manifest_for_dir(extracted
, alg
)
71 for impl
in all_impls
:
72 this_id
= impl
.getAttribute('id')
73 if this_id
== archive_id
:
75 if this_id
.startswith('/') or this_id
.startswith('.'):
76 local_ifaces
.append(impl
)
78 if len(local_ifaces
) == 0:
79 raise Exception('Nothing with id "%s", and no local implementations' % archive_id
)
80 if len(local_ifaces
) > 1:
81 raise Exception('Nothing with id "%s", and multiple local implementations!' % archive_id
)
82 impl
= local_ifaces
[0]
83 impl
.setAttribute('id', archive_id
)
85 assert impl
.getAttribute('id') == archive_id
87 nl
= doc
.createTextNode('\n ')
90 archive
= doc
.createElementNS(namespaces
.XMLNS_IFACE
, 'archive')
91 impl
.appendChild(archive
)
92 archive
.setAttribute('href', url
)
93 archive
.setAttribute('size', str(os
.stat(local_file
).st_size
- start_offset
))
94 if extract
is not None:
95 archive
.setAttribute('extract', extract
)
97 archive
.setAttribute('start-offset', str(start_offset
))
99 archive
.setAttribute('type', type)
101 nl
= doc
.createTextNode('\n ')