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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
29import logging
30import bb
31import urllib
32from bb import data
33from bb.fetch2 import FetchMethod
34from bb.fetch2 import FetchError
35from bb.fetch2 import logger
36from bb.fetch2 import runfetchcmd
37
38class Wget(FetchMethod):
39 """Class to fetch urls via 'wget'"""
40 def supports(self, ud, d):
41 """
42 Check to see if a given url can be fetched with wget.
43 """
44 return ud.type in ['http', 'https', 'ftp']
45
46 def recommends_checksum(self, urldata):
47 return True
48
49 def urldata_init(self, ud, d):
50 if 'protocol' in ud.parm:
51 if ud.parm['protocol'] == 'git':
52 raise bb.fetch2.ParameterError("Invalid protocol - if you wish to fetch from a git repository using http, you need to instead use the git:// prefix with protocol=http", ud.url)
53
54 if 'downloadfilename' in ud.parm:
55 ud.basename = ud.parm['downloadfilename']
56 else:
57 ud.basename = os.path.basename(ud.path)
58
59 ud.localfile = data.expand(urllib.unquote(ud.basename), d)
60
61 self.basecmd = d.getVar("FETCHCMD_wget", True) or "/usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate"
62
63 def _runwget(self, ud, d, command, quiet):
64
65 logger.debug(2, "Fetching %s using command '%s'" % (ud.url, command))
66 bb.fetch2.check_network_access(d, command)
67 runfetchcmd(command, d, quiet)
68
69 def download(self, ud, d):
70 """Fetch urls"""
71
72 fetchcmd = self.basecmd
73
74 if 'downloadfilename' in ud.parm:
75 dldir = d.getVar("DL_DIR", True)
76 bb.utils.mkdirhier(os.path.dirname(dldir + os.sep + ud.localfile))
77 fetchcmd += " -O " + dldir + os.sep + ud.localfile
78
79 uri = ud.url.split(";")[0]
80 if os.path.exists(ud.localpath):
81 # file exists, but we didnt complete it.. trying again..
82 fetchcmd += d.expand(" -c -P ${DL_DIR} '%s'" % uri)
83 else:
84 fetchcmd += d.expand(" -P ${DL_DIR} '%s'" % uri)
85
86 self._runwget(ud, d, fetchcmd, False)
87
88 # Sanity check since wget can pretend it succeed when it didn't
89 # Also, this used to happen if sourceforge sent us to the mirror page
90 if not os.path.exists(ud.localpath):
91 raise FetchError("The fetch command returned success for url %s but %s doesn't exist?!" % (uri, ud.localpath), uri)
92
93 if os.path.getsize(ud.localpath) == 0:
94 os.remove(ud.localpath)
95 raise FetchError("The fetch of %s resulted in a zero size file?! Deleting and failing since this isn't right." % (uri), uri)
96
97 return True
98
99 def checkstatus(self, ud, d):
100
101 uri = ud.url.split(";")[0]
102 fetchcmd = self.basecmd + " --spider '%s'" % uri
103
104 self._runwget(ud, d, fetchcmd, True)
105
106 return True