blob: 5fab7043ccf7b0f950cbb59839c1939c0ccbce23 [file] [log] [blame]
#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'TaskData' implementation
Task data collection and handling
"""
# 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 logging
import re
import bb
logger = logging.getLogger("BitBake.TaskData")
def re_match_strings(target, strings):
"""
Whether or not the string 'target' matches
any one string of the strings which can be regular expression string
"""
return any(name == target or re.match(name, target)
for name in strings)
class TaskData:
"""
BitBake Task Data implementation
"""
def __init__(self, abort = True, tryaltconfigs = False, skiplist = None, allowincomplete = False):
self.build_names_index = []
self.run_names_index = []
self.fn_index = []
self.build_targets = {}
self.run_targets = {}
self.external_targets = []
self.tasks_fnid = []
self.tasks_name = []
self.tasks_tdepends = []
self.tasks_idepends = []
self.tasks_irdepends = []
# Cache to speed up task ID lookups
self.tasks_lookup = {}
self.depids = {}
self.rdepids = {}
self.consider_msgs_cache = []
self.failed_deps = []
self.failed_rdeps = []
self.failed_fnids = []
self.abort = abort
self.tryaltconfigs = tryaltconfigs
self.allowincomplete = allowincomplete
self.skiplist = skiplist
def getbuild_id(self, name):
"""
Return an ID number for the build target name.
If it doesn't exist, create one.
"""
if not name in self.build_names_index:
self.build_names_index.append(name)
return len(self.build_names_index) - 1
return self.build_names_index.index(name)
def getrun_id(self, name):
"""
Return an ID number for the run target name.
If it doesn't exist, create one.
"""
if not name in self.run_names_index:
self.run_names_index.append(name)
return len(self.run_names_index) - 1
return self.run_names_index.index(name)
def getfn_id(self, name):
"""
Return an ID number for the filename.
If it doesn't exist, create one.
"""
if not name in self.fn_index:
self.fn_index.append(name)
return len(self.fn_index) - 1
return self.fn_index.index(name)
def gettask_ids(self, fnid):
"""
Return an array of the ID numbers matching a given fnid.
"""
ids = []
if fnid in self.tasks_lookup:
for task in self.tasks_lookup[fnid]:
ids.append(self.tasks_lookup[fnid][task])
return ids
def gettask_id_fromfnid(self, fnid, task):
"""
Return an ID number for the task matching fnid and task.
"""
if fnid in self.tasks_lookup:
if task in self.tasks_lookup[fnid]:
return self.tasks_lookup[fnid][task]
return None
def gettask_id(self, fn, task, create = True):
"""
Return an ID number for the task matching fn and task.
If it doesn't exist, create one by default.
Optionally return None instead.
"""
fnid = self.getfn_id(fn)
if fnid in self.tasks_lookup:
if task in self.tasks_lookup[fnid]:
return self.tasks_lookup[fnid][task]
if not create:
return None
self.tasks_name.append(task)
self.tasks_fnid.append(fnid)
self.tasks_tdepends.append([])
self.tasks_idepends.append([])
self.tasks_irdepends.append([])
listid = len(self.tasks_name) - 1
if fnid not in self.tasks_lookup:
self.tasks_lookup[fnid] = {}
self.tasks_lookup[fnid][task] = listid
return listid
def add_tasks(self, fn, dataCache):
"""
Add tasks for a given fn to the database
"""
task_deps = dataCache.task_deps[fn]
fnid = self.getfn_id(fn)
if fnid in self.failed_fnids:
bb.msg.fatal("TaskData", "Trying to re-add a failed file? Something is broken...")
# Check if we've already seen this fn
if fnid in self.tasks_fnid:
return
for task in task_deps['tasks']:
# Work out task dependencies
parentids = []
for dep in task_deps['parents'][task]:
if dep not in task_deps['tasks']:
bb.debug(2, "Not adding dependeny of %s on %s since %s does not exist" % (task, dep, dep))
continue
parentid = self.gettask_id(fn, dep)
parentids.append(parentid)
taskid = self.gettask_id(fn, task)
self.tasks_tdepends[taskid].extend(parentids)
# Touch all intertask dependencies
if 'depends' in task_deps and task in task_deps['depends']:
ids = []
for dep in task_deps['depends'][task].split():
if dep:
if ":" not in dep:
bb.msg.fatal("TaskData", "Error for %s, dependency %s does not contain ':' character\n. Task 'depends' should be specified in the form 'packagename:task'" % (fn, dep))
ids.append(((self.getbuild_id(dep.split(":")[0])), dep.split(":")[1]))
self.tasks_idepends[taskid].extend(ids)
if 'rdepends' in task_deps and task in task_deps['rdepends']:
ids = []
for dep in task_deps['rdepends'][task].split():
if dep:
if ":" not in dep:
bb.msg.fatal("TaskData", "Error for %s, dependency %s does not contain ':' character\n. Task 'rdepends' should be specified in the form 'packagename:task'" % (fn, dep))
ids.append(((self.getrun_id(dep.split(":")[0])), dep.split(":")[1]))
self.tasks_irdepends[taskid].extend(ids)
# Work out build dependencies
if not fnid in self.depids:
dependids = {}
for depend in dataCache.deps[fn]:
dependids[self.getbuild_id(depend)] = None
self.depids[fnid] = dependids.keys()
logger.debug(2, "Added dependencies %s for %s", str(dataCache.deps[fn]), fn)
# Work out runtime dependencies
if not fnid in self.rdepids:
rdependids = {}
rdepends = dataCache.rundeps[fn]
rrecs = dataCache.runrecs[fn]
rdependlist = []
rreclist = []
for package in rdepends:
for rdepend in rdepends[package]:
rdependlist.append(rdepend)
rdependids[self.getrun_id(rdepend)] = None
for package in rrecs:
for rdepend in rrecs[package]:
rreclist.append(rdepend)
rdependids[self.getrun_id(rdepend)] = None
if rdependlist:
logger.debug(2, "Added runtime dependencies %s for %s", str(rdependlist), fn)
if rreclist:
logger.debug(2, "Added runtime recommendations %s for %s", str(rreclist), fn)
self.rdepids[fnid] = rdependids.keys()
for dep in self.depids[fnid]:
if dep in self.failed_deps:
self.fail_fnid(fnid)
return
for dep in self.rdepids[fnid]:
if dep in self.failed_rdeps:
self.fail_fnid(fnid)
return
def have_build_target(self, target):
"""
Have we a build target matching this name?
"""
targetid = self.getbuild_id(target)
if targetid in self.build_targets:
return True
return False
def have_runtime_target(self, target):
"""
Have we a runtime target matching this name?
"""
targetid = self.getrun_id(target)
if targetid in self.run_targets:
return True
return False
def add_build_target(self, fn, item):
"""
Add a build target.
If already present, append the provider fn to the list
"""
targetid = self.getbuild_id(item)
fnid = self.getfn_id(fn)
if targetid in self.build_targets:
if fnid in self.build_targets[targetid]:
return
self.build_targets[targetid].append(fnid)
return
self.build_targets[targetid] = [fnid]
def add_runtime_target(self, fn, item):
"""
Add a runtime target.
If already present, append the provider fn to the list
"""
targetid = self.getrun_id(item)
fnid = self.getfn_id(fn)
if targetid in self.run_targets:
if fnid in self.run_targets[targetid]:
return
self.run_targets[targetid].append(fnid)
return
self.run_targets[targetid] = [fnid]
def mark_external_target(self, item):
"""
Mark a build target as being externally requested
"""
targetid = self.getbuild_id(item)
if targetid not in self.external_targets:
self.external_targets.append(targetid)
def get_unresolved_build_targets(self, dataCache):
"""
Return a list of build targets who's providers
are unknown.
"""
unresolved = []
for target in self.build_names_index:
if re_match_strings(target, dataCache.ignored_dependencies):
continue
if self.build_names_index.index(target) in self.failed_deps:
continue
if not self.have_build_target(target):
unresolved.append(target)
return unresolved
def get_unresolved_run_targets(self, dataCache):
"""
Return a list of runtime targets who's providers
are unknown.
"""
unresolved = []
for target in self.run_names_index:
if re_match_strings(target, dataCache.ignored_dependencies):
continue
if self.run_names_index.index(target) in self.failed_rdeps:
continue
if not self.have_runtime_target(target):
unresolved.append(target)
return unresolved
def get_provider(self, item):
"""
Return a list of providers of item
"""
targetid = self.getbuild_id(item)
return self.build_targets[targetid]
def get_dependees(self, itemid):
"""
Return a list of targets which depend on item
"""
dependees = []
for fnid in self.depids:
if itemid in self.depids[fnid]:
dependees.append(fnid)
return dependees
def get_dependees_str(self, item):
"""
Return a list of targets which depend on item as a user readable string
"""
itemid = self.getbuild_id(item)
dependees = []
for fnid in self.depids:
if itemid in self.depids[fnid]:
dependees.append(self.fn_index[fnid])
return dependees
def get_rdependees(self, itemid):
"""
Return a list of targets which depend on runtime item
"""
dependees = []
for fnid in self.rdepids:
if itemid in self.rdepids[fnid]:
dependees.append(fnid)
return dependees
def get_rdependees_str(self, item):
"""
Return a list of targets which depend on runtime item as a user readable string
"""
itemid = self.getrun_id(item)
dependees = []
for fnid in self.rdepids:
if itemid in self.rdepids[fnid]:
dependees.append(self.fn_index[fnid])
return dependees
def get_reasons(self, item, runtime=False):
"""
Get the reason(s) for an item not being provided, if any
"""
reasons = []
if self.skiplist:
for fn in self.skiplist:
skipitem = self.skiplist[fn]
if skipitem.pn == item:
reasons.append("%s was skipped: %s" % (skipitem.pn, skipitem.skipreason))
elif runtime and item in skipitem.rprovides:
reasons.append("%s RPROVIDES %s but was skipped: %s" % (skipitem.pn, item, skipitem.skipreason))
elif not runtime and item in skipitem.provides:
reasons.append("%s PROVIDES %s but was skipped: %s" % (skipitem.pn, item, skipitem.skipreason))
return reasons
def get_close_matches(self, item, provider_list):
import difflib
if self.skiplist:
skipped = []
for fn in self.skiplist:
skipped.append(self.skiplist[fn].pn)
full_list = provider_list + skipped
else:
full_list = provider_list
return difflib.get_close_matches(item, full_list, cutoff=0.7)
def add_provider(self, cfgData, dataCache, item):
try:
self.add_provider_internal(cfgData, dataCache, item)
except bb.providers.NoProvider:
if self.abort:
raise
self.remove_buildtarget(self.getbuild_id(item))
self.mark_external_target(item)
def add_provider_internal(self, cfgData, dataCache, item):
"""
Add the providers of item to the task data
Mark entries were specifically added externally as against dependencies
added internally during dependency resolution
"""
if re_match_strings(item, dataCache.ignored_dependencies):
return
if not item in dataCache.providers:
bb.event.fire(bb.event.NoProvider(item, dependees=self.get_dependees_str(item), reasons=self.get_reasons(item), close_matches=self.get_close_matches(item, dataCache.providers.keys())), cfgData)
raise bb.providers.NoProvider(item)
if self.have_build_target(item):
return
all_p = dataCache.providers[item]
eligible, foundUnique = bb.providers.filterProviders(all_p, item, cfgData, dataCache)
eligible = [p for p in eligible if not self.getfn_id(p) in self.failed_fnids]
if not eligible:
bb.event.fire(bb.event.NoProvider(item, dependees=self.get_dependees_str(item), reasons=["No eligible PROVIDERs exist for '%s'" % item]), cfgData)
raise bb.providers.NoProvider(item)
if len(eligible) > 1 and foundUnique == False:
if item not in self.consider_msgs_cache:
providers_list = []
for fn in eligible:
providers_list.append(dataCache.pkg_fn[fn])
bb.event.fire(bb.event.MultipleProviders(item, providers_list), cfgData)
self.consider_msgs_cache.append(item)
for fn in eligible:
fnid = self.getfn_id(fn)
if fnid in self.failed_fnids:
continue
logger.debug(2, "adding %s to satisfy %s", fn, item)
self.add_build_target(fn, item)
self.add_tasks(fn, dataCache)
#item = dataCache.pkg_fn[fn]
def add_rprovider(self, cfgData, dataCache, item):
"""
Add the runtime providers of item to the task data
(takes item names from RDEPENDS/PACKAGES namespace)
"""
if re_match_strings(item, dataCache.ignored_dependencies):
return
if self.have_runtime_target(item):
return
all_p = bb.providers.getRuntimeProviders(dataCache, item)
if not all_p:
bb.event.fire(bb.event.NoProvider(item, runtime=True, dependees=self.get_rdependees_str(item), reasons=self.get_reasons(item, True)), cfgData)
raise bb.providers.NoRProvider(item)
eligible, numberPreferred = bb.providers.filterProvidersRunTime(all_p, item, cfgData, dataCache)
eligible = [p for p in eligible if not self.getfn_id(p) in self.failed_fnids]
if not eligible:
bb.event.fire(bb.event.NoProvider(item, runtime=True, dependees=self.get_rdependees_str(item), reasons=["No eligible RPROVIDERs exist for '%s'" % item]), cfgData)
raise bb.providers.NoRProvider(item)
if len(eligible) > 1 and numberPreferred == 0:
if item not in self.consider_msgs_cache:
providers_list = []
for fn in eligible:
providers_list.append(dataCache.pkg_fn[fn])
bb.event.fire(bb.event.MultipleProviders(item, providers_list, runtime=True), cfgData)
self.consider_msgs_cache.append(item)
if numberPreferred > 1:
if item not in self.consider_msgs_cache:
providers_list = []
for fn in eligible:
providers_list.append(dataCache.pkg_fn[fn])
bb.event.fire(bb.event.MultipleProviders(item, providers_list, runtime=True), cfgData)
self.consider_msgs_cache.append(item)
raise bb.providers.MultipleRProvider(item)
# run through the list until we find one that we can build
for fn in eligible:
fnid = self.getfn_id(fn)
if fnid in self.failed_fnids:
continue
logger.debug(2, "adding '%s' to satisfy runtime '%s'", fn, item)
self.add_runtime_target(fn, item)
self.add_tasks(fn, dataCache)
def fail_fnid(self, fnid, missing_list=None):
"""
Mark a file as failed (unbuildable)
Remove any references from build and runtime provider lists
missing_list, A list of missing requirements for this target
"""
if fnid in self.failed_fnids:
return
if not missing_list:
missing_list = []
logger.debug(1, "File '%s' is unbuildable, removing...", self.fn_index[fnid])
self.failed_fnids.append(fnid)
for target in self.build_targets:
if fnid in self.build_targets[target]:
self.build_targets[target].remove(fnid)
if len(self.build_targets[target]) == 0:
self.remove_buildtarget(target, missing_list)
for target in self.run_targets:
if fnid in self.run_targets[target]:
self.run_targets[target].remove(fnid)
if len(self.run_targets[target]) == 0:
self.remove_runtarget(target, missing_list)
def remove_buildtarget(self, targetid, missing_list=None):
"""
Mark a build target as failed (unbuildable)
Trigger removal of any files that have this as a dependency
"""
if not missing_list:
missing_list = [self.build_names_index[targetid]]
else:
missing_list = [self.build_names_index[targetid]] + missing_list
logger.verbose("Target '%s' is unbuildable, removing...\nMissing or unbuildable dependency chain was: %s", self.build_names_index[targetid], missing_list)
self.failed_deps.append(targetid)
dependees = self.get_dependees(targetid)
for fnid in dependees:
self.fail_fnid(fnid, missing_list)
for taskid in xrange(len(self.tasks_idepends)):
idepends = self.tasks_idepends[taskid]
for (idependid, idependtask) in idepends:
if idependid == targetid:
self.fail_fnid(self.tasks_fnid[taskid], missing_list)
if self.abort and targetid in self.external_targets:
target = self.build_names_index[targetid]
logger.error("Required build target '%s' has no buildable providers.\nMissing or unbuildable dependency chain was: %s", target, missing_list)
raise bb.providers.NoProvider(target)
def remove_runtarget(self, targetid, missing_list=None):
"""
Mark a run target as failed (unbuildable)
Trigger removal of any files that have this as a dependency
"""
if not missing_list:
missing_list = [self.run_names_index[targetid]]
else:
missing_list = [self.run_names_index[targetid]] + missing_list
logger.info("Runtime target '%s' is unbuildable, removing...\nMissing or unbuildable dependency chain was: %s", self.run_names_index[targetid], missing_list)
self.failed_rdeps.append(targetid)
dependees = self.get_rdependees(targetid)
for fnid in dependees:
self.fail_fnid(fnid, missing_list)
for taskid in xrange(len(self.tasks_irdepends)):
irdepends = self.tasks_irdepends[taskid]
for (idependid, idependtask) in irdepends:
if idependid == targetid:
self.fail_fnid(self.tasks_fnid[taskid], missing_list)
def add_unresolved(self, cfgData, dataCache):
"""
Resolve all unresolved build and runtime targets
"""
logger.info("Resolving any missing task queue dependencies")
while True:
added = 0
for target in self.get_unresolved_build_targets(dataCache):
try:
self.add_provider_internal(cfgData, dataCache, target)
added = added + 1
except bb.providers.NoProvider:
targetid = self.getbuild_id(target)
if self.abort and targetid in self.external_targets and not self.allowincomplete:
raise
if not self.allowincomplete:
self.remove_buildtarget(targetid)
for target in self.get_unresolved_run_targets(dataCache):
try:
self.add_rprovider(cfgData, dataCache, target)
added = added + 1
except (bb.providers.NoRProvider, bb.providers.MultipleRProvider):
self.remove_runtarget(self.getrun_id(target))
logger.debug(1, "Resolved " + str(added) + " extra dependencies")
if added == 0:
break
# self.dump_data()
def dump_data(self):
"""
Dump some debug information on the internal data structures
"""
logger.debug(3, "build_names:")
logger.debug(3, ", ".join(self.build_names_index))
logger.debug(3, "run_names:")
logger.debug(3, ", ".join(self.run_names_index))
logger.debug(3, "build_targets:")
for buildid in xrange(len(self.build_names_index)):
target = self.build_names_index[buildid]
targets = "None"
if buildid in self.build_targets:
targets = self.build_targets[buildid]
logger.debug(3, " (%s)%s: %s", buildid, target, targets)
logger.debug(3, "run_targets:")
for runid in xrange(len(self.run_names_index)):
target = self.run_names_index[runid]
targets = "None"
if runid in self.run_targets:
targets = self.run_targets[runid]
logger.debug(3, " (%s)%s: %s", runid, target, targets)
logger.debug(3, "tasks:")
for task in xrange(len(self.tasks_name)):
logger.debug(3, " (%s)%s - %s: %s",
task,
self.fn_index[self.tasks_fnid[task]],
self.tasks_name[task],
self.tasks_tdepends[task])
logger.debug(3, "dependency ids (per fn):")
for fnid in self.depids:
logger.debug(3, " %s %s: %s", fnid, self.fn_index[fnid], self.depids[fnid])
logger.debug(3, "runtime dependency ids (per fn):")
for fnid in self.rdepids:
logger.debug(3, " %s %s: %s", fnid, self.fn_index[fnid], self.rdepids[fnid])