579 lines
21 KiB
Python
579 lines
21 KiB
Python
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#!/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 'TaskData' implementation
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Task data collection and handling
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"""
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# Copyright (C) 2006 Richard Purdie
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import logging
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import re
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import bb
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logger = logging.getLogger("BitBake.TaskData")
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def re_match_strings(target, strings):
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"""
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Whether or not the string 'target' matches
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any one string of the strings which can be regular expression string
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"""
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return any(name == target or re.match(name, target)
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for name in strings)
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class TaskEntry:
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def __init__(self):
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self.tdepends = []
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self.idepends = []
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self.irdepends = []
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class TaskData:
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"""
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BitBake Task Data implementation
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"""
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def __init__(self, abort = True, skiplist = None, allowincomplete = False):
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self.build_targets = {}
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self.run_targets = {}
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self.external_targets = []
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self.seenfns = []
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self.taskentries = {}
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self.depids = {}
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self.rdepids = {}
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self.consider_msgs_cache = []
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self.failed_deps = []
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self.failed_rdeps = []
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self.failed_fns = []
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self.abort = abort
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self.allowincomplete = allowincomplete
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self.skiplist = skiplist
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def add_tasks(self, fn, dataCache):
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"""
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Add tasks for a given fn to the database
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"""
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task_deps = dataCache.task_deps[fn]
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if fn in self.failed_fns:
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bb.msg.fatal("TaskData", "Trying to re-add a failed file? Something is broken...")
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# Check if we've already seen this fn
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if fn in self.seenfns:
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return
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self.seenfns.append(fn)
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self.add_extra_deps(fn, dataCache)
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# Common code for dep_name/depends = 'depends'/idepends and 'rdepends'/irdepends
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def handle_deps(task, dep_name, depends, seen):
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if dep_name in task_deps and task in task_deps[dep_name]:
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ids = []
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for dep in task_deps[dep_name][task].split():
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if dep:
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parts = dep.split(":")
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if len(parts) != 2:
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bb.msg.fatal("TaskData", "Error for %s:%s[%s], dependency %s in '%s' does not contain exactly one ':' character.\n Task '%s' should be specified in the form 'packagename:task'" % (fn, task, dep_name, dep, task_deps[dep_name][task], dep_name))
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ids.append((parts[0], parts[1]))
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seen(parts[0])
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depends.extend(ids)
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for task in task_deps['tasks']:
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tid = "%s:%s" % (fn, task)
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self.taskentries[tid] = TaskEntry()
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# Work out task dependencies
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parentids = []
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for dep in task_deps['parents'][task]:
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if dep not in task_deps['tasks']:
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bb.debug(2, "Not adding dependeny of %s on %s since %s does not exist" % (task, dep, dep))
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continue
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parentid = "%s:%s" % (fn, dep)
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parentids.append(parentid)
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self.taskentries[tid].tdepends.extend(parentids)
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# Touch all intertask dependencies
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handle_deps(task, 'depends', self.taskentries[tid].idepends, self.seen_build_target)
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handle_deps(task, 'rdepends', self.taskentries[tid].irdepends, self.seen_run_target)
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# Work out build dependencies
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if not fn in self.depids:
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dependids = set()
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for depend in dataCache.deps[fn]:
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dependids.add(depend)
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self.depids[fn] = list(dependids)
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logger.debug(2, "Added dependencies %s for %s", str(dataCache.deps[fn]), fn)
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# Work out runtime dependencies
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if not fn in self.rdepids:
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rdependids = set()
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rdepends = dataCache.rundeps[fn]
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rrecs = dataCache.runrecs[fn]
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rdependlist = []
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rreclist = []
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for package in rdepends:
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for rdepend in rdepends[package]:
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rdependlist.append(rdepend)
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rdependids.add(rdepend)
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for package in rrecs:
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for rdepend in rrecs[package]:
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rreclist.append(rdepend)
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rdependids.add(rdepend)
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if rdependlist:
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logger.debug(2, "Added runtime dependencies %s for %s", str(rdependlist), fn)
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if rreclist:
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logger.debug(2, "Added runtime recommendations %s for %s", str(rreclist), fn)
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self.rdepids[fn] = list(rdependids)
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for dep in self.depids[fn]:
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self.seen_build_target(dep)
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if dep in self.failed_deps:
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self.fail_fn(fn)
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return
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for dep in self.rdepids[fn]:
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self.seen_run_target(dep)
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if dep in self.failed_rdeps:
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self.fail_fn(fn)
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return
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def add_extra_deps(self, fn, dataCache):
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func = dataCache.extradepsfunc.get(fn, None)
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if func:
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bb.providers.buildWorldTargetList(dataCache)
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pn = dataCache.pkg_fn[fn]
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params = {'deps': dataCache.deps[fn],
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'world_target': dataCache.world_target,
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'pkg_pn': dataCache.pkg_pn,
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'self_pn': pn}
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funcname = '_%s_calculate_extra_depends' % pn.replace('-', '_')
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paramlist = ','.join(params.keys())
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func = 'def %s(%s):\n%s\n\n%s(%s)' % (funcname, paramlist, func, funcname, paramlist)
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bb.utils.better_exec(func, params)
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def have_build_target(self, target):
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"""
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Have we a build target matching this name?
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"""
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if target in self.build_targets and self.build_targets[target]:
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return True
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return False
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def have_runtime_target(self, target):
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"""
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Have we a runtime target matching this name?
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"""
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if target in self.run_targets and self.run_targets[target]:
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return True
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return False
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def seen_build_target(self, name):
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"""
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Maintain a list of build targets
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"""
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if name not in self.build_targets:
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self.build_targets[name] = []
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def add_build_target(self, fn, item):
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"""
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Add a build target.
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If already present, append the provider fn to the list
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"""
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if item in self.build_targets:
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if fn in self.build_targets[item]:
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return
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self.build_targets[item].append(fn)
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return
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self.build_targets[item] = [fn]
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def seen_run_target(self, name):
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"""
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Maintain a list of runtime build targets
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"""
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if name not in self.run_targets:
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self.run_targets[name] = []
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def add_runtime_target(self, fn, item):
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"""
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Add a runtime target.
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If already present, append the provider fn to the list
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"""
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if item in self.run_targets:
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if fn in self.run_targets[item]:
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return
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self.run_targets[item].append(fn)
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return
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self.run_targets[item] = [fn]
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def mark_external_target(self, target):
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"""
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Mark a build target as being externally requested
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"""
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if target not in self.external_targets:
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self.external_targets.append(target)
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def get_unresolved_build_targets(self, dataCache):
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"""
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Return a list of build targets who's providers
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are unknown.
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"""
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unresolved = []
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for target in self.build_targets:
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if re_match_strings(target, dataCache.ignored_dependencies):
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continue
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if target in self.failed_deps:
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continue
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if not self.build_targets[target]:
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unresolved.append(target)
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return unresolved
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def get_unresolved_run_targets(self, dataCache):
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"""
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Return a list of runtime targets who's providers
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are unknown.
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"""
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unresolved = []
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for target in self.run_targets:
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if re_match_strings(target, dataCache.ignored_dependencies):
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continue
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if target in self.failed_rdeps:
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continue
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if not self.run_targets[target]:
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unresolved.append(target)
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return unresolved
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def get_provider(self, item):
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"""
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Return a list of providers of item
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"""
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return self.build_targets[item]
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def get_dependees(self, item):
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"""
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Return a list of targets which depend on item
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"""
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dependees = []
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for fn in self.depids:
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if item in self.depids[fn]:
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dependees.append(fn)
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return dependees
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def get_rdependees(self, item):
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"""
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Return a list of targets which depend on runtime item
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"""
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dependees = []
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for fn in self.rdepids:
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if item in self.rdepids[fn]:
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dependees.append(fn)
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return dependees
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def get_reasons(self, item, runtime=False):
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"""
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Get the reason(s) for an item not being provided, if any
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"""
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reasons = []
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if self.skiplist:
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for fn in self.skiplist:
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skipitem = self.skiplist[fn]
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if skipitem.pn == item:
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reasons.append("%s was skipped: %s" % (skipitem.pn, skipitem.skipreason))
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elif runtime and item in skipitem.rprovides:
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reasons.append("%s RPROVIDES %s but was skipped: %s" % (skipitem.pn, item, skipitem.skipreason))
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elif not runtime and item in skipitem.provides:
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reasons.append("%s PROVIDES %s but was skipped: %s" % (skipitem.pn, item, skipitem.skipreason))
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return reasons
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def get_close_matches(self, item, provider_list):
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import difflib
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if self.skiplist:
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skipped = []
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for fn in self.skiplist:
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skipped.append(self.skiplist[fn].pn)
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full_list = provider_list + skipped
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else:
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full_list = provider_list
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return difflib.get_close_matches(item, full_list, cutoff=0.7)
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def add_provider(self, cfgData, dataCache, item):
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try:
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self.add_provider_internal(cfgData, dataCache, item)
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except bb.providers.NoProvider:
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if self.abort:
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raise
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self.remove_buildtarget(item)
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self.mark_external_target(item)
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def add_provider_internal(self, cfgData, dataCache, item):
|
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"""
|
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Add the providers of item to the task data
|
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|
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Mark entries were specifically added externally as against dependencies
|
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|
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added internally during dependency resolution
|
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"""
|
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if re_match_strings(item, dataCache.ignored_dependencies):
|
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return
|
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||
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if not item in dataCache.providers:
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||
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close_matches = self.get_close_matches(item, list(dataCache.providers.keys()))
|
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# Is it in RuntimeProviders ?
|
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all_p = bb.providers.getRuntimeProviders(dataCache, item)
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for fn in all_p:
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new = dataCache.pkg_fn[fn] + " RPROVIDES " + item
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if new not in close_matches:
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close_matches.append(new)
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bb.event.fire(bb.event.NoProvider(item, dependees=self.get_dependees(item), reasons=self.get_reasons(item), close_matches=close_matches), cfgData)
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raise bb.providers.NoProvider(item)
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if self.have_build_target(item):
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return
|
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all_p = dataCache.providers[item]
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eligible, foundUnique = bb.providers.filterProviders(all_p, item, cfgData, dataCache)
|
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eligible = [p for p in eligible if not p in self.failed_fns]
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if not eligible:
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bb.event.fire(bb.event.NoProvider(item, dependees=self.get_dependees(item), reasons=["No eligible PROVIDERs exist for '%s'" % item]), cfgData)
|
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raise bb.providers.NoProvider(item)
|
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||
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if len(eligible) > 1 and foundUnique == False:
|
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if item not in self.consider_msgs_cache:
|
||
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providers_list = []
|
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for fn in eligible:
|
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providers_list.append(dataCache.pkg_fn[fn])
|
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bb.event.fire(bb.event.MultipleProviders(item, providers_list), cfgData)
|
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self.consider_msgs_cache.append(item)
|
||
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for fn in eligible:
|
||
|
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if fn in self.failed_fns:
|
||
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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(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 p in self.failed_fns]
|
||
|
|
|
||
|
|
if not eligible:
|
||
|
|
bb.event.fire(bb.event.NoProvider(item, runtime=True, dependees=self.get_rdependees(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:
|
||
|
|
if fn in self.failed_fns:
|
||
|
|
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_fn(self, fn, 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 fn in self.failed_fns:
|
||
|
|
return
|
||
|
|
if not missing_list:
|
||
|
|
missing_list = []
|
||
|
|
logger.debug(1, "File '%s' is unbuildable, removing...", fn)
|
||
|
|
self.failed_fns.append(fn)
|
||
|
|
for target in self.build_targets:
|
||
|
|
if fn in self.build_targets[target]:
|
||
|
|
self.build_targets[target].remove(fn)
|
||
|
|
if len(self.build_targets[target]) == 0:
|
||
|
|
self.remove_buildtarget(target, missing_list)
|
||
|
|
for target in self.run_targets:
|
||
|
|
if fn in self.run_targets[target]:
|
||
|
|
self.run_targets[target].remove(fn)
|
||
|
|
if len(self.run_targets[target]) == 0:
|
||
|
|
self.remove_runtarget(target, missing_list)
|
||
|
|
|
||
|
|
def remove_buildtarget(self, target, 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 = [target]
|
||
|
|
else:
|
||
|
|
missing_list = [target] + missing_list
|
||
|
|
logger.verbose("Target '%s' is unbuildable, removing...\nMissing or unbuildable dependency chain was: %s", target, missing_list)
|
||
|
|
self.failed_deps.append(target)
|
||
|
|
dependees = self.get_dependees(target)
|
||
|
|
for fn in dependees:
|
||
|
|
self.fail_fn(fn, missing_list)
|
||
|
|
for tid in self.taskentries:
|
||
|
|
for (idepend, idependtask) in self.taskentries[tid].idepends:
|
||
|
|
if idepend == target:
|
||
|
|
fn = tid.rsplit(":",1)[0]
|
||
|
|
self.fail_fn(fn, missing_list)
|
||
|
|
|
||
|
|
if self.abort and target in self.external_targets:
|
||
|
|
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, target, 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 = [target]
|
||
|
|
else:
|
||
|
|
missing_list = [target] + missing_list
|
||
|
|
|
||
|
|
logger.info("Runtime target '%s' is unbuildable, removing...\nMissing or unbuildable dependency chain was: %s", target, missing_list)
|
||
|
|
self.failed_rdeps.append(target)
|
||
|
|
dependees = self.get_rdependees(target)
|
||
|
|
for fn in dependees:
|
||
|
|
self.fail_fn(fn, missing_list)
|
||
|
|
for tid in self.taskentries:
|
||
|
|
for (idepend, idependtask) in self.taskentries[tid].irdepends:
|
||
|
|
if idepend == target:
|
||
|
|
fn = tid.rsplit(":",1)[0]
|
||
|
|
self.fail_fn(fn, 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:
|
||
|
|
if self.abort and target in self.external_targets and not self.allowincomplete:
|
||
|
|
raise
|
||
|
|
if not self.allowincomplete:
|
||
|
|
self.remove_buildtarget(target)
|
||
|
|
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(target)
|
||
|
|
logger.debug(1, "Resolved " + str(added) + " extra dependencies")
|
||
|
|
if added == 0:
|
||
|
|
break
|
||
|
|
# self.dump_data()
|
||
|
|
|
||
|
|
def get_providermap(self, prefix=None):
|
||
|
|
provmap = {}
|
||
|
|
for name in self.build_targets:
|
||
|
|
if prefix and not name.startswith(prefix):
|
||
|
|
continue
|
||
|
|
if self.have_build_target(name):
|
||
|
|
provider = self.get_provider(name)
|
||
|
|
if provider:
|
||
|
|
provmap[name] = provider[0]
|
||
|
|
return provmap
|
||
|
|
|
||
|
|
def dump_data(self):
|
||
|
|
"""
|
||
|
|
Dump some debug information on the internal data structures
|
||
|
|
"""
|
||
|
|
logger.debug(3, "build_names:")
|
||
|
|
logger.debug(3, ", ".join(self.build_targets))
|
||
|
|
|
||
|
|
logger.debug(3, "run_names:")
|
||
|
|
logger.debug(3, ", ".join(self.run_targets))
|
||
|
|
|
||
|
|
logger.debug(3, "build_targets:")
|
||
|
|
for target in self.build_targets:
|
||
|
|
targets = "None"
|
||
|
|
if target in self.build_targets:
|
||
|
|
targets = self.build_targets[target]
|
||
|
|
logger.debug(3, " %s: %s", target, targets)
|
||
|
|
|
||
|
|
logger.debug(3, "run_targets:")
|
||
|
|
for target in self.run_targets:
|
||
|
|
targets = "None"
|
||
|
|
if target in self.run_targets:
|
||
|
|
targets = self.run_targets[target]
|
||
|
|
logger.debug(3, " %s: %s", target, targets)
|
||
|
|
|
||
|
|
logger.debug(3, "tasks:")
|
||
|
|
for tid in self.taskentries:
|
||
|
|
logger.debug(3, " %s: %s %s %s",
|
||
|
|
tid,
|
||
|
|
self.taskentries[tid].idepends,
|
||
|
|
self.taskentries[tid].irdepends,
|
||
|
|
self.taskentries[tid].tdepends)
|
||
|
|
|
||
|
|
logger.debug(3, "dependency ids (per fn):")
|
||
|
|
for fn in self.depids:
|
||
|
|
logger.debug(3, " %s: %s", fn, self.depids[fn])
|
||
|
|
|
||
|
|
logger.debug(3, "runtime dependency ids (per fn):")
|
||
|
|
for fn in self.rdepids:
|
||
|
|
logger.debug(3, " %s: %s", fn, self.rdepids[fn])
|