# ex:ts=4:sw=4:sts=4:et # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- """ BitBake 'Fetch' implementations Classes for obtaining upstream sources for the BitBake build tools. """ # Copyright (C) 2003, 2004 Chris Larson # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # Based on functions from the base bb module, Copyright 2003 Holger Schurig import re import tempfile import subprocess import os import logging import bb import urllib from bb import data from bb.fetch2 import FetchMethod from bb.fetch2 import FetchError from bb.fetch2 import logger from bb.fetch2 import runfetchcmd from bs4 import BeautifulSoup class Wget(FetchMethod): """Class to fetch urls via 'wget'""" def supports(self, ud, d): """ Check to see if a given url can be fetched with wget. """ return ud.type in ['http', 'https', 'ftp'] def recommends_checksum(self, urldata): return True def urldata_init(self, ud, d): if 'protocol' in ud.parm: if ud.parm['protocol'] == 'git': 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) if 'downloadfilename' in ud.parm: ud.basename = ud.parm['downloadfilename'] else: ud.basename = os.path.basename(ud.path) ud.localfile = data.expand(urllib.unquote(ud.basename), d) self.basecmd = d.getVar("FETCHCMD_wget", True) or "/usr/bin/env wget -t 2 -T 30 -nv --passive-ftp --no-check-certificate" def _runwget(self, ud, d, command, quiet): logger.debug(2, "Fetching %s using command '%s'" % (ud.url, command)) bb.fetch2.check_network_access(d, command) runfetchcmd(command, d, quiet) def download(self, ud, d): """Fetch urls""" fetchcmd = self.basecmd if 'downloadfilename' in ud.parm: dldir = d.getVar("DL_DIR", True) bb.utils.mkdirhier(os.path.dirname(dldir + os.sep + ud.localfile)) fetchcmd += " -O " + dldir + os.sep + ud.localfile uri = ud.url.split(";")[0] if os.path.exists(ud.localpath): # file exists, but we didnt complete it.. trying again.. fetchcmd += d.expand(" -c -P ${DL_DIR} '%s'" % uri) else: fetchcmd += d.expand(" -P ${DL_DIR} '%s'" % uri) self._runwget(ud, d, fetchcmd, False) # Sanity check since wget can pretend it succeed when it didn't # Also, this used to happen if sourceforge sent us to the mirror page if not os.path.exists(ud.localpath): raise FetchError("The fetch command returned success for url %s but %s doesn't exist?!" % (uri, ud.localpath), uri) if os.path.getsize(ud.localpath) == 0: os.remove(ud.localpath) raise FetchError("The fetch of %s resulted in a zero size file?! Deleting and failing since this isn't right." % (uri), uri) return True def checkstatus(self, ud, d): uri = ud.url.split(";")[0] fetchcmd = self.basecmd + " --spider '%s'" % uri self._runwget(ud, d, fetchcmd, True) return True def _parse_path(self, regex, s): """ Find and group name, version and archive type in the given string s """ bb.debug(3, "parse_path(%s, %s)" % (regex.pattern, s)) m = regex.search(s) if m: bb.debug(3, "%s, %s, %s" % (m.group('name'), m.group('ver'), m.group('type'))) return (m.group('name'), m.group('ver'), m.group('type')) return None def _modelate_version(self, version): if version[0] in ['.', '-']: if version[1].isdigit(): version = version[1] + version[0] + version[2:len(version)] else: version = version[1:len(version)] version = re.sub('\-', '.', version) version = re.sub('_', '.', version) version = re.sub('(rc)+', '.-1.', version) version = re.sub('(alpha)+', '.-3.', version) version = re.sub('(beta)+', '.-2.', version) if version[0] == 'v': version = version[1:len(version)] return version def _vercmp(self, old, new): """ Check whether 'new' is newer than 'old' version. We use existing vercmp() for the purpose. PE is cleared in comparison as it's not for build, and PR is cleared too for simplicity as it's somehow difficult to get from various upstream format """ (oldpn, oldpv, oldsuffix) = old (newpn, newpv, newsuffix) = new """ Check for a new suffix type that we have never heard of before """ if (newsuffix): m = self.suffix_regex_comp.search(newsuffix) if not m: bb.warn("%s has a possible unknown suffix: %s" % (newpn, newsuffix)) return False """ Not our package so ignore it """ if oldpn != newpn: return False oldpv = self._modelate_version(oldpv) newpv = self._modelate_version(newpv) if bb.utils.vercmp(("0", oldpv, ""), ("0", newpv, "")) < 0: return True else: return False def _fetch_index(self, uri, ud, d): """ Run fetch checkstatus to get directory information """ f = tempfile.NamedTemporaryFile(dir="/tmp/s/", delete=False) agent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.12) Gecko/20101027 Ubuntu/9.10 (karmic) Firefox/3.6.12" fetchcmd = self.basecmd fetchcmd += " -O " + f.name + " --user-agent='" + agent + "' '" + uri + "'" try: self._runwget(ud, d, fetchcmd, True) fetchresult = f.read() except bb.fetch2.BBFetchException: fetchresult = "" f.close() # os.unlink(f.name) return fetchresult def _check_latest_dir(self, url, versionstring, ud, d): """ Return the name of the directory with the greatest package version If error or no version, return None """ bb.debug(3, "DirURL: %s, %s" % (url, versionstring)) soup = BeautifulSoup(self._fetch_index(url, ud, d)) if not soup: return None valid = 0 prefix = '' regex = re.compile("(\D*)((\d+[\.\-_])+(\d+))") m = regex.search(versionstring) if m: version = ('', m.group(2), '') prefix = m.group(1) bb.debug(3, "version: %s, prefix: %s" % (version, prefix)) else: version = ('', versionstring, '') for href in soup.find_all('a', href=True): bb.debug(3, "href: %s" % (href['href'])) if href['href'].find(versionstring) >= 0: valid = 1 m = regex.search(href['href'].strip("/")) if m: thisversion = ('', m.group(2), '') if thisversion and self._vercmp(version, thisversion) == True: version = thisversion if valid: bb.debug(3, "Would return %s" % (prefix+version[1])) return prefix+version[1] else: bb.debug(3, "Not Valid") return None def _check_latest_version(self, url, package, current_version, ud, d): """ Return the latest version of a package inside a given directory path If error or no version, return None """ valid = 0 version = ('', '', '') bb.debug(3, "VersionURL: %s" % (url)) soup = BeautifulSoup(self._fetch_index(url, ud, d)) if not soup: bb.debug(3, "*** %s NO SOUP" % (url)) return None pn_regex = d.getVar('REGEX', True) if pn_regex: pn_regex = re.compile(pn_regex) bb.debug(3, "pn_regex = '%s'" % (pn_regex.pattern)) for line in soup.find_all('a', href=True): newver = None bb.debug(3, "line = '%s'" % (line['href'])) if pn_regex: m = pn_regex.search(line['href']) if m: bb.debug(3, "Pver = '%s'" % (m.group('pver'))) newver = ('', m.group('pver'), '') else: m = pn_regex.search(str(line)) if m: bb.debug(3, "Pver = '%s'" % (m.group('pver'))) newver = ('', m.group('pver'), '') else: newver = self._parse_path(self.package_custom_regex_comp, line['href']) if not newver: newver = self._parse_path(self.package_custom_regex_comp, str(line)) if newver: bb.debug(3, "Upstream version found: %s" % newver[1]) if valid == 0: version = newver valid = 1 elif self._vercmp(version, newver) == True: version = newver # check whether a valid package and version were found bb.debug(3, "*** %s -> UpstreamVersion = %s (CurrentVersion = %s)" % (package, version[1] or "N/A", current_version[1])) if valid and version: return re.sub('_', '.', version[1]) return None def _init_regexes(self, package): """ Match as many patterns as possible such as: gnome-common-2.20.0.tar.gz (most common format) gtk+-2.90.1.tar.gz xf86-input-synaptics-12.6.9.tar.gz dri2proto-2.3.tar.gz blktool_4.orig.tar.gz libid3tag-0.15.1b.tar.gz unzip552.tar.gz icu4c-3_6-src.tgz genext2fs_1.3.orig.tar.gz gst-fluendo-mp3 """ # match most patterns which uses "-" as separator to version digits pn_prefix1 = "[a-zA-Z][a-zA-Z0-9]*([\-_][a-zA-Z]\w+)*\+?[\-_]" # a loose pattern such as for unzip552.tar.gz pn_prefix2 = "[a-zA-Z]+" # a loose pattern such as for 80325-quicky-0.4.tar.gz pn_prefix3 = "[0-9]+[\-]?[a-zA-Z]+" # Save the Package Name (pn) Regex for use later pn_regex = "(%s|%s|%s)" % (pn_prefix1, pn_prefix2, pn_prefix3) # match version pver_regex = "(([A-Z]*\d+[a-zA-Z]*[\.\-_]*)+)" # match arch parch_regex = "\-source|_all_" # src.rpm extension was added only for rpm package. Can be removed if the rpm # packaged will always be considered as having to be manually upgraded psuffix_regex = "(tar\.gz|tgz|tar\.bz2|zip|xz|rpm|bz2|orig\.tar\.gz|tar\.xz|src\.tar\.gz|src\.tgz|svnr\d+\.tar\.bz2|stable\.tar\.gz|src\.rpm)" # match name, version and archive type of a package self.package_regex_comp = re.compile("(?P%s?)\.?v?(?P%s)(?P%s)?[\.\-](?P%s$)" % (pn_regex, pver_regex, parch_regex, psuffix_regex)) self.suffix_regex_comp = re.compile(psuffix_regex) # search for version matches on folders inside the path, like: # "5.7" in http://download.gnome.org/sources/${PN}/5.7/${PN}-${PV}.tar.gz self.dirver_regex_comp = re.compile("(?P[^/]*(\d+\.)*\d+([\-_]r\d+)*)/") # get current version and make custom regex for search in uri's version = self._parse_path(self.package_regex_comp, package) if version: self.package_custom_regex_comp = re.compile( "(?P%s)(?P%s)(?P%s)?[\.\-](?P%s)$" % (version[0], pver_regex, parch_regex, psuffix_regex)) def latest_versionstring(self, ud, d): """ Manipulate the URL and try to obtain the latest package version sanity check to ensure same name and type. """ package = ud.path.split("/")[-1] regex_uri = d.getVar("REGEX_URI", True) newpath = regex_uri or ud.path pupver = "" self._init_regexes(package) current_version = ('', d.getVar('PV', True), '') """possible to have no version in pkg name, such as spectrum-fw""" if not re.search("\d+", package): return re.sub('_', '.', current_version[1]) if not regex_uri: # generate the new uri with the appropriate latest directory m = self.dirver_regex_comp.search(ud.path) if m: dirver = m.group('dirver') newuri = bb.fetch.encodeurl([ud.type, ud.host, ud.path.split(dirver)[0], ud.user, ud.pswd, {}]) new_dirver = self._check_latest_dir(newuri, dirver, ud, d) if new_dirver and dirver != new_dirver: newpath = ud.path.replace(dirver, new_dirver, True) newpath = newpath.split(package)[0] or "/" # path to directory newuri = bb.fetch.encodeurl([ud.type, ud.host, newpath, ud.user, ud.pswd, {}]) else: newuri = newpath newversion = self._check_latest_version(newuri, package, current_version, ud, d) while not newversion: # maybe it's hiding in a download directory so try there newuri = "/".join(newuri.split("/")[0:-2]) + "/download" if newuri == "/download" or newuri == "http://download": break newversion = self._check_latest_version(newuri, package, current_version, ud, d) return newversion or ""