201 lines
6.4 KiB
Python
201 lines
6.4 KiB
Python
#!/usr/bin/env python
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# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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"""
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BitBake 'Fetch' implementations
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Classes for obtaining upstream sources for the
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BitBake build tools.
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Copyright (C) 2003, 2004 Chris Larson
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA.
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Based on functions from the base bb module, Copyright 2003 Holger Schurig
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"""
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import os, re
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import bb
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from bb import data
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class FetchError(Exception):
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"""Exception raised when a download fails"""
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class NoMethodError(Exception):
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"""Exception raised when there is no method to obtain a supplied url or set of urls"""
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class MissingParameterError(Exception):
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"""Exception raised when a fetch method is missing a critical parameter in the url"""
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class MD5SumError(Exception):
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"""Exception raised when a MD5SUM of a file does not match the expected one"""
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def uri_replace(uri, uri_find, uri_replace, d):
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# bb.note("uri_replace: operating on %s" % uri)
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if not uri or not uri_find or not uri_replace:
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bb.debug(1, "uri_replace: passed an undefined value, not replacing")
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uri_decoded = list(bb.decodeurl(uri))
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uri_find_decoded = list(bb.decodeurl(uri_find))
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uri_replace_decoded = list(bb.decodeurl(uri_replace))
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result_decoded = ['','','','','',{}]
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for i in uri_find_decoded:
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loc = uri_find_decoded.index(i)
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result_decoded[loc] = uri_decoded[loc]
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import types
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if type(i) == types.StringType:
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import re
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if (re.match(i, uri_decoded[loc])):
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result_decoded[loc] = re.sub(i, uri_replace_decoded[loc], uri_decoded[loc])
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if uri_find_decoded.index(i) == 2:
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if d:
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localfn = bb.fetch.localpath(uri, d)
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if localfn:
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result_decoded[loc] = os.path.dirname(result_decoded[loc]) + "/" + os.path.basename(bb.fetch.localpath(uri, d))
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# bb.note("uri_replace: matching %s against %s and replacing with %s" % (i, uri_decoded[loc], uri_replace_decoded[loc]))
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else:
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# bb.note("uri_replace: no match")
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return uri
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# else:
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# for j in i.keys():
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# FIXME: apply replacements against options
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return bb.encodeurl(result_decoded)
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methods = []
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def init(urls = [], d = None):
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if d == None:
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bb.debug(2,"BUG init called with None as data object!!!")
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return
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for m in methods:
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m.urls = []
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for u in urls:
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for m in methods:
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m.data = d
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if m.supports(u, d):
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m.urls.append(u)
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def go(d):
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"""Fetch all urls"""
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for m in methods:
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if m.urls:
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m.go(d)
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def localpaths(d):
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"""Return a list of the local filenames, assuming successful fetch"""
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local = []
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for m in methods:
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for u in m.urls:
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local.append(m.localpath(u, d))
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return local
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def localpath(url, d):
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for m in methods:
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if m.supports(url, d):
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return m.localpath(url, d)
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return url
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class Fetch(object):
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"""Base class for 'fetch'ing data"""
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def __init__(self, urls = []):
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self.urls = []
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for url in urls:
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if self.supports(bb.decodeurl(url), d) is 1:
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self.urls.append(url)
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def supports(url, d):
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"""Check to see if this fetch class supports a given url.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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return 0
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supports = staticmethod(supports)
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def localpath(url, d):
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"""Return the local filename of a given url assuming a successful fetch.
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"""
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return url
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localpath = staticmethod(localpath)
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def setUrls(self, urls):
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self.__urls = urls
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def getUrls(self):
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return self.__urls
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urls = property(getUrls, setUrls, None, "Urls property")
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def setData(self, data):
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self.__data = data
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def getData(self):
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return self.__data
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data = property(getData, setData, None, "Data property")
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def go(self, urls = []):
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"""Fetch urls"""
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raise NoMethodError("Missing implementation for url")
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def getSRCDate(d):
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"""
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Return the SRC Date for the component
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d the bb.data module
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"""
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return data.getVar("SRCDATE", d, 1) or data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1 )
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getSRCDate = staticmethod(getSRCDate)
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def try_mirror(d, tarfn):
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"""
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Try to use a mirrored version of the sources. We do this
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to avoid massive loads on foreign cvs and svn servers.
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This method will be used by the different fetcher
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implementations.
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d Is a bb.data instance
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tarfn is the name of the tarball
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"""
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pn = data.getVar('PN', d, True)
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src_tarball_stash = None
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if pn:
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src_tarball_stash = (data.getVar('SRC_TARBALL_STASH_%s' % pn, d, True) or data.getVar('CVS_TARBALL_STASH_%s' % pn, d, True) or data.getVar('SRC_TARBALL_STASH', d, True) or data.getVar('CVS_TARBALL_STASH', d, True) or "").split()
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for stash in src_tarball_stash:
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fetchcmd = data.getVar("FETCHCOMMAND_mirror", d, True) or data.getVar("FETCHCOMMAND_wget", d, True)
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uri = stash + tarfn
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bb.note("fetch " + uri)
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fetchcmd = fetchcmd.replace("${URI}", uri)
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ret = os.system(fetchcmd)
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if ret == 0:
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bb.note("Fetched %s from tarball stash, skipping checkout" % tarfn)
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return True
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return False
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try_mirror = staticmethod(try_mirror)
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import cvs
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import git
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import local
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import svn
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import wget
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import svk
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methods.append(cvs.Cvs())
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methods.append(git.Git())
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methods.append(local.Local())
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methods.append(svn.Svn())
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methods.append(wget.Wget())
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methods.append(svk.Svk())
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