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1# ex:ts=4:sw=4:sts=4:et
2# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
3"""
4BitBake 'Fetch' implementations
5
6Classes for obtaining upstream sources for the
7BitBake build tools.
8
9"""
10
11# Copyright (C) 2003, 2004 Chris Larson
12#
13# This program is free software; you can redistribute it and/or modify
14# it under the terms of the GNU General Public License version 2 as
15# published by the Free Software Foundation.
16#
17# This program is distributed in the hope that it will be useful,
18# but WITHOUT ANY WARRANTY; without even the implied warranty of
19# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20# GNU General Public License for more details.
21#
22# You should have received a copy of the GNU General Public License along
23# with this program; if not, write to the Free Software Foundation, Inc.,
24# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25#
26# Based on functions from the base bb module, Copyright 2003 Holger Schurig
27
28import os, re
29import bb
30from bb import data
31from bb.fetch import Fetch
32from bb.fetch import FetchError
33from bb.fetch import uri_replace
34
35class Wget(Fetch):
36 """Class to fetch urls via 'wget'"""
37 def supports(self, url, ud, d):
38 """
39 Check to see if a given url can be fetched with cvs.
40 """
41 return ud.type in ['http','https','ftp']
42
43 def localpath(self, url, ud, d):
44
45 url = bb.encodeurl([ud.type, ud.host, ud.path, ud.user, ud.pswd, {}])
46 ud.basename = os.path.basename(ud.path)
47 ud.localfile = data.expand(os.path.basename(url), d)
48
49 return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
50
51 def go(self, uri, ud, d, checkonly = False):
52 """Fetch urls"""
53
54 def fetch_uri(uri, ud, d):
55 if checkonly:
56 fetchcmd = data.getVar("CHECKCOMMAND", d, 1)
57 elif os.path.exists(ud.localpath):
58 # file exists, but we didnt complete it.. trying again..
59 fetchcmd = data.getVar("RESUMECOMMAND", d, 1)
60 else:
61 fetchcmd = data.getVar("FETCHCOMMAND", d, 1)
62
63 bb.msg.note(1, bb.msg.domain.Fetcher, "fetch " + uri)
64 fetchcmd = fetchcmd.replace("${URI}", uri)
65 fetchcmd = fetchcmd.replace("${FILE}", ud.basename)
66 bb.msg.debug(2, bb.msg.domain.Fetcher, "executing " + fetchcmd)
67 ret = os.system(fetchcmd)
68 if ret != 0:
69 return False
70
71 # Sanity check since wget can pretend it succeed when it didn't
72 # Also, this used to happen if sourceforge sent us to the mirror page
73 if not os.path.exists(ud.localpath):
74 bb.msg.debug(2, bb.msg.domain.Fetcher, "The fetch command for %s returned success but %s doesn't exist?..." % (uri, ud.localpath))
75 return False
76
77 return True
78
79 localdata = data.createCopy(d)
80 data.setVar('OVERRIDES', "wget:" + data.getVar('OVERRIDES', localdata), localdata)
81 data.update_data(localdata)
82
83 premirrors = [ i.split() for i in (data.getVar('PREMIRRORS', localdata, 1) or "").split('\n') if i ]
84 for (find, replace) in premirrors:
85 newuri = uri_replace(uri, find, replace, d)
86 if newuri != uri:
87 if fetch_uri(newuri, ud, localdata):
88 return True
89
90 if fetch_uri(uri, ud, localdata):
91 return True
92
93 # try mirrors
94 mirrors = [ i.split() for i in (data.getVar('MIRRORS', localdata, 1) or "").split('\n') if i ]
95 for (find, replace) in mirrors:
96 newuri = uri_replace(uri, find, replace, d)
97 if newuri != uri:
98 if fetch_uri(newuri, ud, localdata):
99 return True
100
101 raise FetchError(uri)
102
103
104 def checkstatus(self, uri, ud, d):
105 return self.go(uri, ud, d, True)