diff options
Diffstat (limited to 'meta/lib')
-rw-r--r-- | meta/lib/crate.py | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/meta/lib/crate.py b/meta/lib/crate.py deleted file mode 100644 index d10f441875..0000000000 --- a/meta/lib/crate.py +++ /dev/null | |||
@@ -1,149 +0,0 @@ | |||
1 | # ex:ts=4:sw=4:sts=4:et | ||
2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
3 | """ | ||
4 | BitBake 'Fetch' implementation for crates.io | ||
5 | """ | ||
6 | |||
7 | # Copyright (C) 2016 Doug Goldstein | ||
8 | # | ||
9 | # This program is free software; you can redistribute it and/or modify | ||
10 | # it under the terms of the GNU General Public License version 2 as | ||
11 | # published by the Free Software Foundation. | ||
12 | # | ||
13 | # This program is distributed in the hope that it will be useful, | ||
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | # GNU General Public License for more details. | ||
17 | # | ||
18 | # You should have received a copy of the GNU General Public License along | ||
19 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
20 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
21 | # | ||
22 | # Based on functions from the base bb module, Copyright 2003 Holger Schurig | ||
23 | |||
24 | import hashlib | ||
25 | import json | ||
26 | import os | ||
27 | import shutil | ||
28 | import subprocess | ||
29 | import bb | ||
30 | from bb.fetch2 import logger, subprocess_setup, UnpackError | ||
31 | from bb.fetch2.wget import Wget | ||
32 | |||
33 | |||
34 | class Crate(Wget): | ||
35 | |||
36 | """Class to fetch crates via wget""" | ||
37 | |||
38 | def _cargo_bitbake_path(self, rootdir): | ||
39 | return os.path.join(rootdir, "cargo_home", "bitbake") | ||
40 | |||
41 | def supports(self, ud, d): | ||
42 | """ | ||
43 | Check to see if a given url is for this fetcher | ||
44 | """ | ||
45 | return ud.type in ['crate'] | ||
46 | |||
47 | def recommends_checksum(self, urldata): | ||
48 | return False | ||
49 | |||
50 | def urldata_init(self, ud, d): | ||
51 | """ | ||
52 | Sets up to download the respective crate from crates.io | ||
53 | """ | ||
54 | |||
55 | if ud.type == 'crate': | ||
56 | self._crate_urldata_init(ud, d) | ||
57 | |||
58 | super(Crate, self).urldata_init(ud, d) | ||
59 | |||
60 | def _crate_urldata_init(self, ud, d): | ||
61 | """ | ||
62 | Sets up the download for a crate | ||
63 | """ | ||
64 | |||
65 | # URL syntax is: crate://NAME/VERSION | ||
66 | # break the URL apart by / | ||
67 | parts = ud.url.split('/') | ||
68 | if len(parts) < 5: | ||
69 | raise bb.fetch2.ParameterError("Invalid URL: Must be crate://HOST/NAME/VERSION", ud.url) | ||
70 | |||
71 | # last field is version | ||
72 | version = parts[len(parts) - 1] | ||
73 | # second to last field is name | ||
74 | name = parts[len(parts) - 2] | ||
75 | # host (this is to allow custom crate registries to be specified | ||
76 | host = '/'.join(parts[2:len(parts) - 2]) | ||
77 | |||
78 | # if using upstream just fix it up nicely | ||
79 | if host == 'crates.io': | ||
80 | host = 'crates.io/api/v1/crates' | ||
81 | |||
82 | ud.url = "https://%s/%s/%s/download" % (host, name, version) | ||
83 | ud.parm['downloadfilename'] = "%s-%s.crate" % (name, version) | ||
84 | ud.parm['name'] = name | ||
85 | |||
86 | logger.debug(2, "Fetching %s to %s" % (ud.url, ud.parm['downloadfilename'])) | ||
87 | |||
88 | def unpack(self, ud, rootdir, d): | ||
89 | """ | ||
90 | Uses the crate to build the necessary paths for cargo to utilize it | ||
91 | """ | ||
92 | if ud.type == 'crate': | ||
93 | return self._crate_unpack(ud, rootdir, d) | ||
94 | else: | ||
95 | super(Crate, self).unpack(ud, rootdir, d) | ||
96 | |||
97 | def _crate_unpack(self, ud, rootdir, d): | ||
98 | """ | ||
99 | Unpacks a crate | ||
100 | """ | ||
101 | thefile = ud.localpath | ||
102 | |||
103 | # possible metadata we need to write out | ||
104 | metadata = {} | ||
105 | |||
106 | # change to the rootdir to unpack but save the old working dir | ||
107 | save_cwd = os.getcwd() | ||
108 | os.chdir(rootdir) | ||
109 | |||
110 | pn = d.getVar('BPN') | ||
111 | if pn == ud.parm.get('name'): | ||
112 | cmd = "tar -xz --no-same-owner -f %s" % thefile | ||
113 | else: | ||
114 | cargo_bitbake = self._cargo_bitbake_path(rootdir) | ||
115 | |||
116 | cmd = "tar -xz --no-same-owner -f %s -C %s" % (thefile, cargo_bitbake) | ||
117 | |||
118 | # ensure we've got these paths made | ||
119 | bb.utils.mkdirhier(cargo_bitbake) | ||
120 | |||
121 | # generate metadata necessary | ||
122 | with open(thefile, 'rb') as f: | ||
123 | # get the SHA256 of the original tarball | ||
124 | tarhash = hashlib.sha256(f.read()).hexdigest() | ||
125 | |||
126 | metadata['files'] = {} | ||
127 | metadata['package'] = tarhash | ||
128 | |||
129 | # path it | ||
130 | path = d.getVar('PATH') | ||
131 | if path: | ||
132 | cmd = "PATH=\"%s\" %s" % (path, cmd) | ||
133 | bb.note("Unpacking %s to %s/" % (thefile, os.getcwd())) | ||
134 | |||
135 | ret = subprocess.call(cmd, preexec_fn=subprocess_setup, shell=True) | ||
136 | |||
137 | os.chdir(save_cwd) | ||
138 | |||
139 | if ret != 0: | ||
140 | raise UnpackError("Unpack command %s failed with return value %s" % (cmd, ret), ud.url) | ||
141 | |||
142 | # if we have metadata to write out.. | ||
143 | if len(metadata) > 0: | ||
144 | cratepath = os.path.splitext(os.path.basename(thefile))[0] | ||
145 | bbpath = self._cargo_bitbake_path(rootdir) | ||
146 | mdfile = '.cargo-checksum.json' | ||
147 | mdpath = os.path.join(bbpath, cratepath, mdfile) | ||
148 | with open(mdpath, "w") as f: | ||
149 | json.dump(metadata, f) | ||