657 lines
23 KiB
Python
657 lines
23 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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class Wget(Fetch):
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"""Class to fetch urls via 'wget'"""
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def supports(url, d):
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"""Check to see if a given url can be fetched using wget.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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return type in ['http','https','ftp']
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supports = staticmethod(supports)
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def localpath(url, d):
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# strip off parameters
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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if "localpath" in parm:
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# if user overrides local path, use it.
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return parm["localpath"]
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url = bb.encodeurl([type, host, path, user, pswd, {}])
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return os.path.join(data.getVar("DL_DIR", d), os.path.basename(url))
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localpath = staticmethod(localpath)
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def go(self, d, urls = []):
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"""Fetch urls"""
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def md5_sum(basename, data):
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"""
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Fast and incomplete OVERRIDE implementation for MD5SUM handling
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MD5SUM_basename = "SUM" and fallback to MD5SUM_basename
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"""
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var = "MD5SUM_%s" % basename
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return getVar(var, data) or get("MD5SUM",data)
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def fetch_uri(uri, basename, dl, md5, parm, d):
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if os.path.exists(dl):
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# file exists, but we didnt complete it.. trying again..
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fetchcmd = data.getVar("RESUMECOMMAND", d, 1)
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else:
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fetchcmd = data.getVar("FETCHCOMMAND", d, 1)
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bb.note("fetch " + uri)
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fetchcmd = fetchcmd.replace("${URI}", uri)
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fetchcmd = fetchcmd.replace("${FILE}", basename)
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bb.debug(2, "executing " + fetchcmd)
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ret = os.system(fetchcmd)
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if ret != 0:
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return False
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# check if sourceforge did send us to the mirror page
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dl_dir = data.getVar("DL_DIR", d, True)
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if not os.path.exists(dl):
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os.system("rm %s*" % dl) # FIXME shell quote it
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bb.debug(2,"sourceforge.net send us to the mirror on %s" % basename)
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return False
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# supposedly complete.. write out md5sum
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if bb.which(data.getVar('PATH', d), 'md5sum'):
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try:
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md5pipe = os.popen('md5sum ' + dl)
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md5data = (md5pipe.readline().split() or [ "" ])[0]
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md5pipe.close()
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except OSError:
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md5data = ""
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md5out = file(md5, 'w')
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md5out.write(md5data)
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md5out.close()
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else:
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md5out = file(md5, 'w')
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md5out.write("")
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md5out.close()
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return True
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if not urls:
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urls = self.urls
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localdata = data.createCopy(d)
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data.setVar('OVERRIDES', "wget:" + data.getVar('OVERRIDES', localdata), localdata)
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data.update_data(localdata)
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for uri in urls:
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completed = 0
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(uri, localdata))
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basename = os.path.basename(path)
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dl = self.localpath(uri, d)
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dl = data.expand(dl, localdata)
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md5 = dl + '.md5'
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if os.path.exists(md5):
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# complete, nothing to see here..
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continue
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premirrors = [ i.split() for i in (data.getVar('PREMIRRORS', localdata, 1) or "").split('\n') if i ]
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for (find, replace) in premirrors:
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newuri = uri_replace(uri, find, replace, d)
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if newuri != uri:
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if fetch_uri(newuri, basename, dl, md5, parm, localdata):
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completed = 1
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break
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if completed:
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continue
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if fetch_uri(uri, basename, dl, md5, parm, localdata):
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continue
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# try mirrors
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mirrors = [ i.split() for i in (data.getVar('MIRRORS', localdata, 1) or "").split('\n') if i ]
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for (find, replace) in mirrors:
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newuri = uri_replace(uri, find, replace, d)
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if newuri != uri:
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if fetch_uri(newuri, basename, dl, md5, parm, localdata):
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completed = 1
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break
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if not completed:
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raise FetchError(uri)
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del localdata
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methods.append(Wget())
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class Cvs(Fetch):
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"""Class to fetch a module or modules from cvs repositories"""
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def supports(url, d):
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"""Check to see if a given url can be fetched with cvs.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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return type in ['cvs', 'pserver']
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supports = staticmethod(supports)
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def localpath(url, d):
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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if "localpath" in parm:
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# if user overrides local path, use it.
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return parm["localpath"]
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if not "module" in parm:
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raise MissingParameterError("cvs method needs a 'module' parameter")
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else:
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module = parm["module"]
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if 'tag' in parm:
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tag = parm['tag']
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else:
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tag = ""
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if 'date' in parm:
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date = parm['date']
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else:
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if not tag:
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date = data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
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else:
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date = ""
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return os.path.join(data.getVar("DL_DIR", d, 1),data.expand('%s_%s_%s_%s.tar.gz' % ( module.replace('/', '.'), host, tag, date), d))
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localpath = staticmethod(localpath)
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def go(self, d, urls = []):
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"""Fetch urls"""
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if not urls:
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urls = self.urls
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localdata = data.createCopy(d)
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data.setVar('OVERRIDES', "cvs:%s" % data.getVar('OVERRIDES', localdata), localdata)
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data.update_data(localdata)
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for loc in urls:
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(loc, localdata))
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if not "module" in parm:
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raise MissingParameterError("cvs method needs a 'module' parameter")
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else:
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module = parm["module"]
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dlfile = self.localpath(loc, localdata)
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dldir = data.getVar('DL_DIR', localdata, 1)
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# if local path contains the cvs
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# module, consider the dir above it to be the
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# download directory
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# pos = dlfile.find(module)
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# if pos:
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# dldir = dlfile[:pos]
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# else:
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# dldir = os.path.dirname(dlfile)
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# setup cvs options
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options = []
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if 'tag' in parm:
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tag = parm['tag']
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else:
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tag = ""
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if 'date' in parm:
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date = parm['date']
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else:
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if not tag:
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date = data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
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else:
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date = ""
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if "method" in parm:
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method = parm["method"]
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else:
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method = "pserver"
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if "localdir" in parm:
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localdir = parm["localdir"]
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else:
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localdir = module
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cvs_rsh = None
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if method == "ext":
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if "rsh" in parm:
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cvs_rsh = parm["rsh"]
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tarfn = data.expand('%s_%s_%s_%s.tar.gz' % (module.replace('/', '.'), host, tag, date), localdata)
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data.setVar('TARFILES', dlfile, localdata)
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data.setVar('TARFN', tarfn, localdata)
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dl = os.path.join(dldir, tarfn)
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if os.access(dl, os.R_OK):
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bb.debug(1, "%s already exists, skipping cvs checkout." % tarfn)
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continue
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pn = data.getVar('PN', d, 1)
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cvs_tarball_stash = None
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if pn:
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cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH_%s' % pn, d, 1)
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if cvs_tarball_stash == None:
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cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH', d, 1)
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if cvs_tarball_stash:
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fetchcmd = data.getVar("FETCHCOMMAND_wget", d, 1)
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uri = cvs_tarball_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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continue
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if date:
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options.append("-D %s" % date)
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if tag:
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options.append("-r %s" % tag)
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olddir = os.path.abspath(os.getcwd())
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os.chdir(data.expand(dldir, localdata))
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# setup cvsroot
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if method == "dir":
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cvsroot = path
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else:
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cvsroot = ":" + method + ":" + user
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if pswd:
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cvsroot += ":" + pswd
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cvsroot += "@" + host + ":" + path
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data.setVar('CVSROOT', cvsroot, localdata)
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data.setVar('CVSCOOPTS', " ".join(options), localdata)
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data.setVar('CVSMODULE', module, localdata)
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cvscmd = data.getVar('FETCHCOMMAND', localdata, 1)
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cvsupdatecmd = data.getVar('UPDATECOMMAND', localdata, 1)
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if cvs_rsh:
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cvscmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvscmd)
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cvsupdatecmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvsupdatecmd)
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# create module directory
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bb.debug(2, "Fetch: checking for module directory")
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pkg=data.expand('${PN}', d)
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pkgdir=os.path.join(data.expand('${CVSDIR}', localdata), pkg)
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moddir=os.path.join(pkgdir,localdir)
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if os.access(os.path.join(moddir,'CVS'), os.R_OK):
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bb.note("Update " + loc)
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# update sources there
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os.chdir(moddir)
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myret = os.system(cvsupdatecmd)
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else:
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bb.note("Fetch " + loc)
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# check out sources there
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bb.mkdirhier(pkgdir)
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os.chdir(pkgdir)
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bb.debug(1, "Running %s" % cvscmd)
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myret = os.system(cvscmd)
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if myret != 0:
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try:
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os.rmdir(moddir)
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except OSError:
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pass
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raise FetchError(module)
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os.chdir(moddir)
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os.chdir('..')
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# tar them up to a defined filename
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myret = os.system("tar -czf %s %s" % (os.path.join(dldir,tarfn), os.path.basename(moddir)))
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if myret != 0:
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try:
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os.unlink(tarfn)
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except OSError:
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pass
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os.chdir(olddir)
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del localdata
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methods.append(Cvs())
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class Bk(Fetch):
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def supports(url, d):
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"""Check to see if a given url can be fetched via bitkeeper.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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return type in ['bk']
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supports = staticmethod(supports)
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methods.append(Bk())
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class Local(Fetch):
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def supports(url, d):
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"""Check to see if a given url can be fetched in the local filesystem.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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return type in ['file','patch']
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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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path = url.split("://")[1]
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newpath = path
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if path[0] != "/":
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filespath = data.getVar('FILESPATH', d, 1)
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if filespath:
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newpath = bb.which(filespath, path)
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if not newpath:
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filesdir = data.getVar('FILESDIR', d, 1)
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if filesdir:
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newpath = os.path.join(filesdir, path)
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return newpath
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localpath = staticmethod(localpath)
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def go(self, urls = []):
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"""Fetch urls (no-op for Local method)"""
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# no need to fetch local files, we'll deal with them in place.
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return 1
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methods.append(Local())
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class Svn(Fetch):
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"""Class to fetch a module or modules from svn repositories"""
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def supports(url, d):
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"""Check to see if a given url can be fetched with svn.
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Expects supplied url in list form, as outputted by bb.decodeurl().
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"""
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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return type in ['svn']
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supports = staticmethod(supports)
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def localpath(url, d):
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
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if "localpath" in parm:
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# if user overrides local path, use it.
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return parm["localpath"]
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if not "module" in parm:
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raise MissingParameterError("svn method needs a 'module' parameter")
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else:
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module = parm["module"]
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if 'rev' in parm:
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revision = parm['rev']
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else:
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revision = ""
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date = data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
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return os.path.join(data.getVar("DL_DIR", d, 1),data.expand('%s_%s_%s_%s.tar.gz' % ( module.replace('/', '.'), host, revision, date), d))
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localpath = staticmethod(localpath)
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def go(self, d, urls = []):
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"""Fetch urls"""
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if not urls:
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urls = self.urls
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localdata = data.createCopy(d)
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data.setVar('OVERRIDES', "svn:%s" % data.getVar('OVERRIDES', localdata), localdata)
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data.update_data(localdata)
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for loc in urls:
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(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(loc, localdata))
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if not "module" in parm:
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raise MissingParameterError("svn method needs a 'module' parameter")
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else:
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module = parm["module"]
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dlfile = self.localpath(loc, localdata)
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dldir = data.getVar('DL_DIR', localdata, 1)
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# if local path contains the svn
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# module, consider the dir above it to be the
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# download directory
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# pos = dlfile.find(module)
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# if pos:
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# dldir = dlfile[:pos]
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# else:
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# dldir = os.path.dirname(dlfile)
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# setup svn options
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options = []
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if 'rev' in parm:
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revision = parm['rev']
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else:
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revision = ""
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date = data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
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if "method" in parm:
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method = parm["method"]
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else:
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method = "pserver"
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if "proto" in parm:
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proto = parm["proto"]
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else:
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proto = "svn"
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svn_rsh = None
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if method == "ext":
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if "rsh" in parm:
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svn_rsh = parm["rsh"]
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tarfn = data.expand('%s_%s_%s_%s.tar.gz' % (module.replace('/', '.'), host, revision, date), localdata)
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data.setVar('TARFILES', dlfile, localdata)
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data.setVar('TARFN', tarfn, localdata)
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dl = os.path.join(dldir, tarfn)
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if os.access(dl, os.R_OK):
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bb.debug(1, "%s already exists, skipping svn checkout." % tarfn)
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continue
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svn_tarball_stash = data.getVar('CVS_TARBALL_STASH', d, 1)
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if svn_tarball_stash:
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fetchcmd = data.getVar("FETCHCOMMAND_wget", d, 1)
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uri = svn_tarball_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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continue
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olddir = os.path.abspath(os.getcwd())
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os.chdir(data.expand(dldir, localdata))
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# setup svnroot
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# svnroot = ":" + method + ":" + user
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# if pswd:
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# svnroot += ":" + pswd
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svnroot = host + path
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data.setVar('SVNROOT', svnroot, localdata)
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data.setVar('SVNCOOPTS', " ".join(options), localdata)
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data.setVar('SVNMODULE', module, localdata)
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svncmd = data.getVar('FETCHCOMMAND', localdata, 1)
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svncmd = "svn co %s://%s/%s" % (proto, svnroot, module)
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if revision:
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svncmd = "svn co -r %s %s://%s/%s" % (revision, proto, svnroot, module)
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if svn_rsh:
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svncmd = "svn_RSH=\"%s\" %s" % (svn_rsh, svncmd)
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# create temp directory
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bb.debug(2, "Fetch: creating temporary directory")
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bb.mkdirhier(data.expand('${WORKDIR}', localdata))
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data.setVar('TMPBASE', data.expand('${WORKDIR}/oesvn.XXXXXX', localdata), localdata)
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tmppipe = os.popen(data.getVar('MKTEMPDIRCMD', localdata, 1) or "false")
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tmpfile = tmppipe.readline().strip()
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if not tmpfile:
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bb.error("Fetch: unable to create temporary directory.. make sure 'mktemp' is in the PATH.")
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raise FetchError(module)
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# check out sources there
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os.chdir(tmpfile)
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bb.note("Fetch " + loc)
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bb.debug(1, "Running %s" % svncmd)
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myret = os.system(svncmd)
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if myret != 0:
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try:
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os.rmdir(tmpfile)
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except OSError:
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pass
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raise FetchError(module)
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os.chdir(os.path.join(tmpfile, os.path.dirname(module)))
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# tar them up to a defined filename
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myret = os.system("tar -czf %s %s" % (os.path.join(dldir,tarfn), os.path.basename(module)))
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if myret != 0:
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try:
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os.unlink(tarfn)
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except OSError:
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pass
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# cleanup
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os.system('rm -rf %s' % tmpfile)
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os.chdir(olddir)
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del localdata
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methods.append(Svn())
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