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Diffstat (limited to 'bitbake-dev/lib/bb/providers.py')
| -rw-r--r-- | bitbake-dev/lib/bb/providers.py | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/bitbake-dev/lib/bb/providers.py b/bitbake-dev/lib/bb/providers.py deleted file mode 100644 index 8617251ca3..0000000000 --- a/bitbake-dev/lib/bb/providers.py +++ /dev/null @@ -1,327 +0,0 @@ -# ex:ts=4:sw=4:sts=4:et -# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- -# -# Copyright (C) 2003, 2004 Chris Larson -# Copyright (C) 2003, 2004 Phil Blundell -# Copyright (C) 2003 - 2005 Michael 'Mickey' Lauer -# Copyright (C) 2005 Holger Hans Peter Freyther -# Copyright (C) 2005 ROAD GmbH -# Copyright (C) 2006 Richard Purdie -# -# 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. - -import re -from bb import data, utils -import bb - -class NoProvider(Exception): - """Exception raised when no provider of a build dependency can be found""" - -class NoRProvider(Exception): - """Exception raised when no provider of a runtime dependency can be found""" - - -def sortPriorities(pn, dataCache, pkg_pn = None): - """ - Reorder pkg_pn by file priority and default preference - """ - - if not pkg_pn: - pkg_pn = dataCache.pkg_pn - - files = pkg_pn[pn] - priorities = {} - for f in files: - priority = dataCache.bbfile_priority[f] - preference = dataCache.pkg_dp[f] - if priority not in priorities: - priorities[priority] = {} - if preference not in priorities[priority]: - priorities[priority][preference] = [] - priorities[priority][preference].append(f) - pri_list = priorities.keys() - pri_list.sort(lambda a, b: a - b) - tmp_pn = [] - for pri in pri_list: - pref_list = priorities[pri].keys() - pref_list.sort(lambda a, b: b - a) - tmp_pref = [] - for pref in pref_list: - tmp_pref.extend(priorities[pri][pref]) - tmp_pn = [tmp_pref] + tmp_pn - - return tmp_pn - -def preferredVersionMatch(pe, pv, pr, preferred_e, preferred_v, preferred_r): - """ - Check if the version pe,pv,pr is the preferred one. - If there is preferred version defined and ends with '%', then pv has to start with that version after removing the '%' - """ - if (pr == preferred_r or preferred_r == None): - if (pe == preferred_e or preferred_e == None): - if preferred_v == pv: - return True - if preferred_v != None and preferred_v.endswith('%') and pv.startswith(preferred_v[:len(preferred_v)-1]): - return True - return False - -def findPreferredProvider(pn, cfgData, dataCache, pkg_pn = None, item = None): - """ - Find the first provider in pkg_pn with a PREFERRED_VERSION set. - """ - - preferred_file = None - preferred_ver = None - - localdata = data.createCopy(cfgData) - bb.data.setVar('OVERRIDES', "pn-%s:%s:%s" % (pn, pn, data.getVar('OVERRIDES', localdata)), localdata) - bb.data.update_data(localdata) - - preferred_v = bb.data.getVar('PREFERRED_VERSION_%s' % pn, localdata, True) - if preferred_v: - m = re.match('(\d+:)*(.*)(_.*)*', preferred_v) - if m: - if m.group(1): - preferred_e = int(m.group(1)[:-1]) - else: - preferred_e = None - preferred_v = m.group(2) - if m.group(3): - preferred_r = m.group(3)[1:] - else: - preferred_r = None - else: - preferred_e = None - preferred_r = None - - for file_set in pkg_pn: - for f in file_set: - pe,pv,pr = dataCache.pkg_pepvpr[f] - if preferredVersionMatch(pe, pv, pr, preferred_e, preferred_v, preferred_r): - preferred_file = f - preferred_ver = (pe, pv, pr) - break - if preferred_file: - break; - if preferred_r: - pv_str = '%s-%s' % (preferred_v, preferred_r) - else: - pv_str = preferred_v - if not (preferred_e is None): - pv_str = '%s:%s' % (preferred_e, pv_str) - itemstr = "" - if item: - itemstr = " (for item %s)" % item - if preferred_file is None: - bb.msg.note(1, bb.msg.domain.Provider, "preferred version %s of %s not available%s" % (pv_str, pn, itemstr)) - else: - bb.msg.debug(1, bb.msg.domain.Provider, "selecting %s as PREFERRED_VERSION %s of package %s%s" % (preferred_file, pv_str, pn, itemstr)) - - return (preferred_ver, preferred_file) - - -def findLatestProvider(pn, cfgData, dataCache, file_set): - """ - Return the highest version of the providers in file_set. - Take default preferences into account. - """ - latest = None - latest_p = 0 - latest_f = None - for file_name in file_set: - pe,pv,pr = dataCache.pkg_pepvpr[file_name] - dp = dataCache.pkg_dp[file_name] - - if (latest is None) or ((latest_p == dp) and (utils.vercmp(latest, (pe, pv, pr)) < 0)) or (dp > latest_p): - latest = (pe, pv, pr) - latest_f = file_name - latest_p = dp - - return (latest, latest_f) - - -def findBestProvider(pn, cfgData, dataCache, pkg_pn = None, item = None): - """ - If there is a PREFERRED_VERSION, find the highest-priority bbfile - providing that version. If not, find the latest version provided by - an bbfile in the highest-priority set. - """ - - sortpkg_pn = sortPriorities(pn, dataCache, pkg_pn) - # Find the highest priority provider with a PREFERRED_VERSION set - (preferred_ver, preferred_file) = findPreferredProvider(pn, cfgData, dataCache, sortpkg_pn, item) - # Find the latest version of the highest priority provider - (latest, latest_f) = findLatestProvider(pn, cfgData, dataCache, sortpkg_pn[0]) - - if preferred_file is None: - preferred_file = latest_f - preferred_ver = latest - - return (latest, latest_f, preferred_ver, preferred_file) - - -def _filterProviders(providers, item, cfgData, dataCache): - """ - Take a list of providers and filter/reorder according to the - environment variables and previous build results - """ - eligible = [] - preferred_versions = {} - sortpkg_pn = {} - - # The order of providers depends on the order of the files on the disk - # up to here. Sort pkg_pn to make dependency issues reproducible rather - # than effectively random. - providers.sort() - - # Collate providers by PN - pkg_pn = {} - for p in providers: - pn = dataCache.pkg_fn[p] - if pn not in pkg_pn: - pkg_pn[pn] = [] - pkg_pn[pn].append(p) - - bb.msg.debug(1, bb.msg.domain.Provider, "providers for %s are: %s" % (item, pkg_pn.keys())) - - # First add PREFERRED_VERSIONS - for pn in pkg_pn.keys(): - sortpkg_pn[pn] = sortPriorities(pn, dataCache, pkg_pn) - preferred_versions[pn] = findPreferredProvider(pn, cfgData, dataCache, sortpkg_pn[pn], item) - if preferred_versions[pn][1]: - eligible.append(preferred_versions[pn][1]) - - # Now add latest verisons - for pn in sortpkg_pn.keys(): - if pn in preferred_versions and preferred_versions[pn][1]: - continue - preferred_versions[pn] = findLatestProvider(pn, cfgData, dataCache, sortpkg_pn[pn][0]) - eligible.append(preferred_versions[pn][1]) - - if len(eligible) == 0: - bb.msg.error(bb.msg.domain.Provider, "no eligible providers for %s" % item) - return 0 - - # If pn == item, give it a slight default preference - # This means PREFERRED_PROVIDER_foobar defaults to foobar if available - for p in providers: - pn = dataCache.pkg_fn[p] - if pn != item: - continue - (newvers, fn) = preferred_versions[pn] - if not fn in eligible: - continue - eligible.remove(fn) - eligible = [fn] + eligible - - return eligible - - -def filterProviders(providers, item, cfgData, dataCache): - """ - Take a list of providers and filter/reorder according to the - environment variables and previous build results - Takes a "normal" target item - """ - - eligible = _filterProviders(providers, item, cfgData, dataCache) - - prefervar = bb.data.getVar('PREFERRED_PROVIDER_%s' % item, cfgData, 1) - if prefervar: - dataCache.preferred[item] = prefervar - - foundUnique = False - if item in dataCache.preferred: - for p in eligible: - pn = dataCache.pkg_fn[p] - if dataCache.preferred[item] == pn: - bb.msg.note(2, bb.msg.domain.Provider, "selecting %s to satisfy %s due to PREFERRED_PROVIDERS" % (pn, item)) - eligible.remove(p) - eligible = [p] + eligible - foundUnique = True - break - - bb.msg.debug(1, bb.msg.domain.Provider, "sorted providers for %s are: %s" % (item, eligible)) - - return eligible, foundUnique - -def filterProvidersRunTime(providers, item, cfgData, dataCache): - """ - Take a list of providers and filter/reorder according to the - environment variables and previous build results - Takes a "runtime" target item - """ - - eligible = _filterProviders(providers, item, cfgData, dataCache) - - # Should use dataCache.preferred here? - preferred = [] - preferred_vars = [] - for p in eligible: - pn = dataCache.pkg_fn[p] - provides = dataCache.pn_provides[pn] - for provide in provides: - bb.msg.note(2, bb.msg.domain.Provider, "checking PREFERRED_PROVIDER_%s" % (provide)) - prefervar = bb.data.getVar('PREFERRED_PROVIDER_%s' % provide, cfgData, 1) - if prefervar == pn: - var = "PREFERRED_PROVIDER_%s = %s" % (provide, prefervar) - bb.msg.note(2, bb.msg.domain.Provider, "selecting %s to satisfy runtime %s due to %s" % (pn, item, var)) - preferred_vars.append(var) - eligible.remove(p) - eligible = [p] + eligible - preferred.append(p) - break - - numberPreferred = len(preferred) - - if numberPreferred > 1: - bb.msg.error(bb.msg.domain.Provider, "Conflicting PREFERRED_PROVIDER entries were found which resulted in an attempt to select multiple providers (%s) for runtime dependecy %s\nThe entries resulting in this conflict were: %s" % (preferred, item, preferred_vars)) - - bb.msg.debug(1, bb.msg.domain.Provider, "sorted providers for %s are: %s" % (item, eligible)) - - return eligible, numberPreferred - -regexp_cache = {} - -def getRuntimeProviders(dataCache, rdepend): - """ - Return any providers of runtime dependency - """ - rproviders = [] - - if rdepend in dataCache.rproviders: - rproviders += dataCache.rproviders[rdepend] - - if rdepend in dataCache.packages: - rproviders += dataCache.packages[rdepend] - - if rproviders: - return rproviders - - # Only search dynamic packages if we can't find anything in other variables - for pattern in dataCache.packages_dynamic: - pattern = pattern.replace('+', "\+") - if pattern in regexp_cache: - regexp = regexp_cache[pattern] - else: - try: - regexp = re.compile(pattern) - except: - bb.msg.error(bb.msg.domain.Provider, "Error parsing re expression: %s" % pattern) - raise - regexp_cache[pattern] = regexp - if regexp.match(rdepend): - rproviders += dataCache.packages_dynamic[pattern] - - return rproviders |