| # |
| # BitBake Cache implementation |
| # |
| # Caching of bitbake variables before task execution |
| |
| # Copyright (C) 2006 Richard Purdie |
| # Copyright (C) 2012 Intel Corporation |
| |
| # but small sections based on code from bin/bitbake: |
| # 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 |
| # |
| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| |
| import os |
| import sys |
| import logging |
| import pickle |
| from collections import defaultdict |
| import bb.utils |
| |
| logger = logging.getLogger("BitBake.Cache") |
| |
| __cache_version__ = "152" |
| |
| def getCacheFile(path, filename, data_hash): |
| return os.path.join(path, filename + "." + data_hash) |
| |
| # RecipeInfoCommon defines common data retrieving methods |
| # from meta data for caches. CoreRecipeInfo as well as other |
| # Extra RecipeInfo needs to inherit this class |
| class RecipeInfoCommon(object): |
| |
| @classmethod |
| def listvar(cls, var, metadata): |
| return cls.getvar(var, metadata).split() |
| |
| @classmethod |
| def intvar(cls, var, metadata): |
| return int(cls.getvar(var, metadata) or 0) |
| |
| @classmethod |
| def depvar(cls, var, metadata): |
| return bb.utils.explode_deps(cls.getvar(var, metadata)) |
| |
| @classmethod |
| def pkgvar(cls, var, packages, metadata): |
| return dict((pkg, cls.depvar("%s_%s" % (var, pkg), metadata)) |
| for pkg in packages) |
| |
| @classmethod |
| def taskvar(cls, var, tasks, metadata): |
| return dict((task, cls.getvar("%s_task-%s" % (var, task), metadata)) |
| for task in tasks) |
| |
| @classmethod |
| def flaglist(cls, flag, varlist, metadata, squash=False): |
| out_dict = dict((var, metadata.getVarFlag(var, flag)) |
| for var in varlist) |
| if squash: |
| return dict((k,v) for (k,v) in out_dict.items() if v) |
| else: |
| return out_dict |
| |
| @classmethod |
| def getvar(cls, var, metadata, expand = True): |
| return metadata.getVar(var, expand) or '' |
| |
| |
| class CoreRecipeInfo(RecipeInfoCommon): |
| __slots__ = () |
| |
| cachefile = "bb_cache.dat" |
| |
| def __init__(self, filename, metadata): |
| self.file_depends = metadata.getVar('__depends', False) |
| self.timestamp = bb.parse.cached_mtime(filename) |
| self.variants = self.listvar('__VARIANTS', metadata) + [''] |
| self.appends = self.listvar('__BBAPPEND', metadata) |
| self.nocache = self.getvar('BB_DONT_CACHE', metadata) |
| |
| self.skipreason = self.getvar('__SKIPPED', metadata) |
| if self.skipreason: |
| self.pn = self.getvar('PN', metadata) or bb.parse.vars_from_file(filename,metadata)[0] |
| self.skipped = True |
| self.provides = self.depvar('PROVIDES', metadata) |
| self.rprovides = self.depvar('RPROVIDES', metadata) |
| return |
| |
| self.tasks = metadata.getVar('__BBTASKS', False) |
| |
| self.pn = self.getvar('PN', metadata) |
| self.packages = self.listvar('PACKAGES', metadata) |
| if not self.packages: |
| self.packages.append(self.pn) |
| |
| self.basetaskhashes = self.taskvar('BB_BASEHASH', self.tasks, metadata) |
| self.hashfilename = self.getvar('BB_HASHFILENAME', metadata) |
| |
| self.task_deps = metadata.getVar('_task_deps', False) or {'tasks': [], 'parents': {}} |
| |
| self.skipped = False |
| self.pe = self.getvar('PE', metadata) |
| self.pv = self.getvar('PV', metadata) |
| self.pr = self.getvar('PR', metadata) |
| self.defaultpref = self.intvar('DEFAULT_PREFERENCE', metadata) |
| self.not_world = self.getvar('EXCLUDE_FROM_WORLD', metadata) |
| self.stamp = self.getvar('STAMP', metadata) |
| self.stampclean = self.getvar('STAMPCLEAN', metadata) |
| self.stamp_extrainfo = self.flaglist('stamp-extra-info', self.tasks, metadata) |
| self.file_checksums = self.flaglist('file-checksums', self.tasks, metadata, True) |
| self.packages_dynamic = self.listvar('PACKAGES_DYNAMIC', metadata) |
| self.depends = self.depvar('DEPENDS', metadata) |
| self.provides = self.depvar('PROVIDES', metadata) |
| self.rdepends = self.depvar('RDEPENDS', metadata) |
| self.rprovides = self.depvar('RPROVIDES', metadata) |
| self.rrecommends = self.depvar('RRECOMMENDS', metadata) |
| self.rprovides_pkg = self.pkgvar('RPROVIDES', self.packages, metadata) |
| self.rdepends_pkg = self.pkgvar('RDEPENDS', self.packages, metadata) |
| self.rrecommends_pkg = self.pkgvar('RRECOMMENDS', self.packages, metadata) |
| self.inherits = self.getvar('__inherit_cache', metadata, expand=False) |
| self.fakerootenv = self.getvar('FAKEROOTENV', metadata) |
| self.fakerootdirs = self.getvar('FAKEROOTDIRS', metadata) |
| self.fakerootnoenv = self.getvar('FAKEROOTNOENV', metadata) |
| self.extradepsfunc = self.getvar('calculate_extra_depends', metadata) |
| |
| @classmethod |
| def init_cacheData(cls, cachedata): |
| # CacheData in Core RecipeInfo Class |
| cachedata.task_deps = {} |
| cachedata.pkg_fn = {} |
| cachedata.pkg_pn = defaultdict(list) |
| cachedata.pkg_pepvpr = {} |
| cachedata.pkg_dp = {} |
| |
| cachedata.stamp = {} |
| cachedata.stampclean = {} |
| cachedata.stamp_extrainfo = {} |
| cachedata.file_checksums = {} |
| cachedata.fn_provides = {} |
| cachedata.pn_provides = defaultdict(list) |
| cachedata.all_depends = [] |
| |
| cachedata.deps = defaultdict(list) |
| cachedata.packages = defaultdict(list) |
| cachedata.providers = defaultdict(list) |
| cachedata.rproviders = defaultdict(list) |
| cachedata.packages_dynamic = defaultdict(list) |
| |
| cachedata.rundeps = defaultdict(lambda: defaultdict(list)) |
| cachedata.runrecs = defaultdict(lambda: defaultdict(list)) |
| cachedata.possible_world = [] |
| cachedata.universe_target = [] |
| cachedata.hashfn = {} |
| |
| cachedata.basetaskhash = {} |
| cachedata.inherits = {} |
| cachedata.fakerootenv = {} |
| cachedata.fakerootnoenv = {} |
| cachedata.fakerootdirs = {} |
| cachedata.extradepsfunc = {} |
| |
| def add_cacheData(self, cachedata, fn): |
| cachedata.task_deps[fn] = self.task_deps |
| cachedata.pkg_fn[fn] = self.pn |
| cachedata.pkg_pn[self.pn].append(fn) |
| cachedata.pkg_pepvpr[fn] = (self.pe, self.pv, self.pr) |
| cachedata.pkg_dp[fn] = self.defaultpref |
| cachedata.stamp[fn] = self.stamp |
| cachedata.stampclean[fn] = self.stampclean |
| cachedata.stamp_extrainfo[fn] = self.stamp_extrainfo |
| cachedata.file_checksums[fn] = self.file_checksums |
| |
| provides = [self.pn] |
| for provide in self.provides: |
| if provide not in provides: |
| provides.append(provide) |
| cachedata.fn_provides[fn] = provides |
| |
| for provide in provides: |
| cachedata.providers[provide].append(fn) |
| if provide not in cachedata.pn_provides[self.pn]: |
| cachedata.pn_provides[self.pn].append(provide) |
| |
| for dep in self.depends: |
| if dep not in cachedata.deps[fn]: |
| cachedata.deps[fn].append(dep) |
| if dep not in cachedata.all_depends: |
| cachedata.all_depends.append(dep) |
| |
| rprovides = self.rprovides |
| for package in self.packages: |
| cachedata.packages[package].append(fn) |
| rprovides += self.rprovides_pkg[package] |
| |
| for rprovide in rprovides: |
| if fn not in cachedata.rproviders[rprovide]: |
| cachedata.rproviders[rprovide].append(fn) |
| |
| for package in self.packages_dynamic: |
| cachedata.packages_dynamic[package].append(fn) |
| |
| # Build hash of runtime depends and recommends |
| for package in self.packages: |
| cachedata.rundeps[fn][package] = list(self.rdepends) + self.rdepends_pkg[package] |
| cachedata.runrecs[fn][package] = list(self.rrecommends) + self.rrecommends_pkg[package] |
| |
| # Collect files we may need for possible world-dep |
| # calculations |
| if self.not_world: |
| logger.debug(1, "EXCLUDE FROM WORLD: %s", fn) |
| else: |
| cachedata.possible_world.append(fn) |
| |
| # create a collection of all targets for sanity checking |
| # tasks, such as upstream versions, license, and tools for |
| # task and image creation. |
| cachedata.universe_target.append(self.pn) |
| |
| cachedata.hashfn[fn] = self.hashfilename |
| for task, taskhash in self.basetaskhashes.items(): |
| identifier = '%s.%s' % (fn, task) |
| cachedata.basetaskhash[identifier] = taskhash |
| |
| cachedata.inherits[fn] = self.inherits |
| cachedata.fakerootenv[fn] = self.fakerootenv |
| cachedata.fakerootnoenv[fn] = self.fakerootnoenv |
| cachedata.fakerootdirs[fn] = self.fakerootdirs |
| cachedata.extradepsfunc[fn] = self.extradepsfunc |
| |
| def virtualfn2realfn(virtualfn): |
| """ |
| Convert a virtual file name to a real one + the associated subclass keyword |
| """ |
| mc = "" |
| if virtualfn.startswith('multiconfig:'): |
| elems = virtualfn.split(':') |
| mc = elems[1] |
| virtualfn = ":".join(elems[2:]) |
| |
| fn = virtualfn |
| cls = "" |
| if virtualfn.startswith('virtual:'): |
| elems = virtualfn.split(':') |
| cls = ":".join(elems[1:-1]) |
| fn = elems[-1] |
| |
| return (fn, cls, mc) |
| |
| def realfn2virtual(realfn, cls, mc): |
| """ |
| Convert a real filename + the associated subclass keyword to a virtual filename |
| """ |
| if cls: |
| realfn = "virtual:" + cls + ":" + realfn |
| if mc: |
| realfn = "multiconfig:" + mc + ":" + realfn |
| return realfn |
| |
| def variant2virtual(realfn, variant): |
| """ |
| Convert a real filename + the associated subclass keyword to a virtual filename |
| """ |
| if variant == "": |
| return realfn |
| if variant.startswith("multiconfig:"): |
| elems = variant.split(":") |
| if elems[2]: |
| return "multiconfig:" + elems[1] + ":virtual:" + ":".join(elems[2:]) + ":" + realfn |
| return "multiconfig:" + elems[1] + ":" + realfn |
| return "virtual:" + variant + ":" + realfn |
| |
| def parse_recipe(bb_data, bbfile, appends, mc=''): |
| """ |
| Parse a recipe |
| """ |
| |
| chdir_back = False |
| |
| bb_data.setVar("__BBMULTICONFIG", mc) |
| |
| # expand tmpdir to include this topdir |
| bb_data.setVar('TMPDIR', bb_data.getVar('TMPDIR') or "") |
| bbfile_loc = os.path.abspath(os.path.dirname(bbfile)) |
| oldpath = os.path.abspath(os.getcwd()) |
| bb.parse.cached_mtime_noerror(bbfile_loc) |
| |
| # The ConfHandler first looks if there is a TOPDIR and if not |
| # then it would call getcwd(). |
| # Previously, we chdir()ed to bbfile_loc, called the handler |
| # and finally chdir()ed back, a couple of thousand times. We now |
| # just fill in TOPDIR to point to bbfile_loc if there is no TOPDIR yet. |
| if not bb_data.getVar('TOPDIR', False): |
| chdir_back = True |
| bb_data.setVar('TOPDIR', bbfile_loc) |
| try: |
| if appends: |
| bb_data.setVar('__BBAPPEND', " ".join(appends)) |
| bb_data = bb.parse.handle(bbfile, bb_data) |
| if chdir_back: |
| os.chdir(oldpath) |
| return bb_data |
| except: |
| if chdir_back: |
| os.chdir(oldpath) |
| raise |
| |
| |
| |
| class NoCache(object): |
| |
| def __init__(self, databuilder): |
| self.databuilder = databuilder |
| self.data = databuilder.data |
| |
| def loadDataFull(self, virtualfn, appends): |
| """ |
| Return a complete set of data for fn. |
| To do this, we need to parse the file. |
| """ |
| logger.debug(1, "Parsing %s (full)" % virtualfn) |
| (fn, virtual, mc) = virtualfn2realfn(virtualfn) |
| bb_data = self.load_bbfile(virtualfn, appends, virtonly=True) |
| return bb_data[virtual] |
| |
| def load_bbfile(self, bbfile, appends, virtonly = False): |
| """ |
| Load and parse one .bb build file |
| Return the data and whether parsing resulted in the file being skipped |
| """ |
| |
| if virtonly: |
| (bbfile, virtual, mc) = virtualfn2realfn(bbfile) |
| bb_data = self.databuilder.mcdata[mc].createCopy() |
| bb_data.setVar("__ONLYFINALISE", virtual or "default") |
| datastores = parse_recipe(bb_data, bbfile, appends, mc) |
| return datastores |
| |
| bb_data = self.data.createCopy() |
| datastores = parse_recipe(bb_data, bbfile, appends) |
| |
| for mc in self.databuilder.mcdata: |
| if not mc: |
| continue |
| bb_data = self.databuilder.mcdata[mc].createCopy() |
| newstores = parse_recipe(bb_data, bbfile, appends, mc) |
| for ns in newstores: |
| datastores["multiconfig:%s:%s" % (mc, ns)] = newstores[ns] |
| |
| return datastores |
| |
| class Cache(NoCache): |
| """ |
| BitBake Cache implementation |
| """ |
| |
| def __init__(self, databuilder, data_hash, caches_array): |
| super().__init__(databuilder) |
| data = databuilder.data |
| |
| # Pass caches_array information into Cache Constructor |
| # It will be used later for deciding whether we |
| # need extra cache file dump/load support |
| self.caches_array = caches_array |
| self.cachedir = data.getVar("CACHE") |
| self.clean = set() |
| self.checked = set() |
| self.depends_cache = {} |
| self.data_fn = None |
| self.cacheclean = True |
| self.data_hash = data_hash |
| |
| if self.cachedir in [None, '']: |
| self.has_cache = False |
| logger.info("Not using a cache. " |
| "Set CACHE = <directory> to enable.") |
| return |
| |
| self.has_cache = True |
| self.cachefile = getCacheFile(self.cachedir, "bb_cache.dat", self.data_hash) |
| |
| logger.debug(1, "Cache dir: %s", self.cachedir) |
| bb.utils.mkdirhier(self.cachedir) |
| |
| cache_ok = True |
| if self.caches_array: |
| for cache_class in self.caches_array: |
| cachefile = getCacheFile(self.cachedir, cache_class.cachefile, self.data_hash) |
| cache_ok = cache_ok and os.path.exists(cachefile) |
| cache_class.init_cacheData(self) |
| if cache_ok: |
| self.load_cachefile() |
| elif os.path.isfile(self.cachefile): |
| logger.info("Out of date cache found, rebuilding...") |
| else: |
| logger.debug(1, "Cache file %s not found, building..." % self.cachefile) |
| |
| def load_cachefile(self): |
| cachesize = 0 |
| previous_progress = 0 |
| previous_percent = 0 |
| |
| # Calculate the correct cachesize of all those cache files |
| for cache_class in self.caches_array: |
| cachefile = getCacheFile(self.cachedir, cache_class.cachefile, self.data_hash) |
| with open(cachefile, "rb") as cachefile: |
| cachesize += os.fstat(cachefile.fileno()).st_size |
| |
| bb.event.fire(bb.event.CacheLoadStarted(cachesize), self.data) |
| |
| for cache_class in self.caches_array: |
| cachefile = getCacheFile(self.cachedir, cache_class.cachefile, self.data_hash) |
| logger.debug(1, 'Loading cache file: %s' % cachefile) |
| with open(cachefile, "rb") as cachefile: |
| pickled = pickle.Unpickler(cachefile) |
| # Check cache version information |
| try: |
| cache_ver = pickled.load() |
| bitbake_ver = pickled.load() |
| except Exception: |
| logger.info('Invalid cache, rebuilding...') |
| return |
| |
| if cache_ver != __cache_version__: |
| logger.info('Cache version mismatch, rebuilding...') |
| return |
| elif bitbake_ver != bb.__version__: |
| logger.info('Bitbake version mismatch, rebuilding...') |
| return |
| |
| # Load the rest of the cache file |
| current_progress = 0 |
| while cachefile: |
| try: |
| key = pickled.load() |
| value = pickled.load() |
| except Exception: |
| break |
| if not isinstance(key, str): |
| bb.warn("%s from extras cache is not a string?" % key) |
| break |
| if not isinstance(value, RecipeInfoCommon): |
| bb.warn("%s from extras cache is not a RecipeInfoCommon class?" % value) |
| break |
| |
| if key in self.depends_cache: |
| self.depends_cache[key].append(value) |
| else: |
| self.depends_cache[key] = [value] |
| # only fire events on even percentage boundaries |
| current_progress = cachefile.tell() + previous_progress |
| if current_progress > cachesize: |
| # we might have calculated incorrect total size because a file |
| # might've been written out just after we checked its size |
| cachesize = current_progress |
| current_percent = 100 * current_progress / cachesize |
| if current_percent > previous_percent: |
| previous_percent = current_percent |
| bb.event.fire(bb.event.CacheLoadProgress(current_progress, cachesize), |
| self.data) |
| |
| previous_progress += current_progress |
| |
| # Note: depends cache number is corresponding to the parsing file numbers. |
| # The same file has several caches, still regarded as one item in the cache |
| bb.event.fire(bb.event.CacheLoadCompleted(cachesize, |
| len(self.depends_cache)), |
| self.data) |
| |
| def parse(self, filename, appends): |
| """Parse the specified filename, returning the recipe information""" |
| logger.debug(1, "Parsing %s", filename) |
| infos = [] |
| datastores = self.load_bbfile(filename, appends) |
| depends = [] |
| variants = [] |
| # Process the "real" fn last so we can store variants list |
| for variant, data in sorted(datastores.items(), |
| key=lambda i: i[0], |
| reverse=True): |
| virtualfn = variant2virtual(filename, variant) |
| variants.append(variant) |
| depends = depends + (data.getVar("__depends", False) or []) |
| if depends and not variant: |
| data.setVar("__depends", depends) |
| if virtualfn == filename: |
| data.setVar("__VARIANTS", " ".join(variants)) |
| info_array = [] |
| for cache_class in self.caches_array: |
| info = cache_class(filename, data) |
| info_array.append(info) |
| infos.append((virtualfn, info_array)) |
| |
| return infos |
| |
| def load(self, filename, appends): |
| """Obtain the recipe information for the specified filename, |
| using cached values if available, otherwise parsing. |
| |
| Note that if it does parse to obtain the info, it will not |
| automatically add the information to the cache or to your |
| CacheData. Use the add or add_info method to do so after |
| running this, or use loadData instead.""" |
| cached = self.cacheValid(filename, appends) |
| if cached: |
| infos = [] |
| # info_array item is a list of [CoreRecipeInfo, XXXRecipeInfo] |
| info_array = self.depends_cache[filename] |
| for variant in info_array[0].variants: |
| virtualfn = variant2virtual(filename, variant) |
| infos.append((virtualfn, self.depends_cache[virtualfn])) |
| else: |
| return self.parse(filename, appends, configdata, self.caches_array) |
| |
| return cached, infos |
| |
| def loadData(self, fn, appends, cacheData): |
| """Load the recipe info for the specified filename, |
| parsing and adding to the cache if necessary, and adding |
| the recipe information to the supplied CacheData instance.""" |
| skipped, virtuals = 0, 0 |
| |
| cached, infos = self.load(fn, appends) |
| for virtualfn, info_array in infos: |
| if info_array[0].skipped: |
| logger.debug(1, "Skipping %s: %s", virtualfn, info_array[0].skipreason) |
| skipped += 1 |
| else: |
| self.add_info(virtualfn, info_array, cacheData, not cached) |
| virtuals += 1 |
| |
| return cached, skipped, virtuals |
| |
| def cacheValid(self, fn, appends): |
| """ |
| Is the cache valid for fn? |
| Fast version, no timestamps checked. |
| """ |
| if fn not in self.checked: |
| self.cacheValidUpdate(fn, appends) |
| |
| # Is cache enabled? |
| if not self.has_cache: |
| return False |
| if fn in self.clean: |
| return True |
| return False |
| |
| def cacheValidUpdate(self, fn, appends): |
| """ |
| Is the cache valid for fn? |
| Make thorough (slower) checks including timestamps. |
| """ |
| # Is cache enabled? |
| if not self.has_cache: |
| return False |
| |
| self.checked.add(fn) |
| |
| # File isn't in depends_cache |
| if not fn in self.depends_cache: |
| logger.debug(2, "Cache: %s is not cached", fn) |
| return False |
| |
| mtime = bb.parse.cached_mtime_noerror(fn) |
| |
| # Check file still exists |
| if mtime == 0: |
| logger.debug(2, "Cache: %s no longer exists", fn) |
| self.remove(fn) |
| return False |
| |
| info_array = self.depends_cache[fn] |
| # Check the file's timestamp |
| if mtime != info_array[0].timestamp: |
| logger.debug(2, "Cache: %s changed", fn) |
| self.remove(fn) |
| return False |
| |
| # Check dependencies are still valid |
| depends = info_array[0].file_depends |
| if depends: |
| for f, old_mtime in depends: |
| fmtime = bb.parse.cached_mtime_noerror(f) |
| # Check if file still exists |
| if old_mtime != 0 and fmtime == 0: |
| logger.debug(2, "Cache: %s's dependency %s was removed", |
| fn, f) |
| self.remove(fn) |
| return False |
| |
| if (fmtime != old_mtime): |
| logger.debug(2, "Cache: %s's dependency %s changed", |
| fn, f) |
| self.remove(fn) |
| return False |
| |
| if hasattr(info_array[0], 'file_checksums'): |
| for _, fl in info_array[0].file_checksums.items(): |
| fl = fl.strip() |
| while fl: |
| # A .split() would be simpler but means spaces or colons in filenames would break |
| a = fl.find(":True") |
| b = fl.find(":False") |
| if ((a < 0) and b) or ((b > 0) and (b < a)): |
| f = fl[:b+6] |
| fl = fl[b+7:] |
| elif ((b < 0) and a) or ((a > 0) and (a < b)): |
| f = fl[:a+5] |
| fl = fl[a+6:] |
| else: |
| break |
| fl = fl.strip() |
| if "*" in f: |
| continue |
| f, exist = f.split(":") |
| if (exist == "True" and not os.path.exists(f)) or (exist == "False" and os.path.exists(f)): |
| logger.debug(2, "Cache: %s's file checksum list file %s changed", |
| fn, f) |
| self.remove(fn) |
| return False |
| |
| if appends != info_array[0].appends: |
| logger.debug(2, "Cache: appends for %s changed", fn) |
| logger.debug(2, "%s to %s" % (str(appends), str(info_array[0].appends))) |
| self.remove(fn) |
| return False |
| |
| invalid = False |
| for cls in info_array[0].variants: |
| virtualfn = variant2virtual(fn, cls) |
| self.clean.add(virtualfn) |
| if virtualfn not in self.depends_cache: |
| logger.debug(2, "Cache: %s is not cached", virtualfn) |
| invalid = True |
| elif len(self.depends_cache[virtualfn]) != len(self.caches_array): |
| logger.debug(2, "Cache: Extra caches missing for %s?" % virtualfn) |
| invalid = True |
| |
| # If any one of the variants is not present, mark as invalid for all |
| if invalid: |
| for cls in info_array[0].variants: |
| virtualfn = variant2virtual(fn, cls) |
| if virtualfn in self.clean: |
| logger.debug(2, "Cache: Removing %s from cache", virtualfn) |
| self.clean.remove(virtualfn) |
| if fn in self.clean: |
| logger.debug(2, "Cache: Marking %s as not clean", fn) |
| self.clean.remove(fn) |
| return False |
| |
| self.clean.add(fn) |
| return True |
| |
| def remove(self, fn): |
| """ |
| Remove a fn from the cache |
| Called from the parser in error cases |
| """ |
| if fn in self.depends_cache: |
| logger.debug(1, "Removing %s from cache", fn) |
| del self.depends_cache[fn] |
| if fn in self.clean: |
| logger.debug(1, "Marking %s as unclean", fn) |
| self.clean.remove(fn) |
| |
| def sync(self): |
| """ |
| Save the cache |
| Called from the parser when complete (or exiting) |
| """ |
| |
| if not self.has_cache: |
| return |
| |
| if self.cacheclean: |
| logger.debug(2, "Cache is clean, not saving.") |
| return |
| |
| for cache_class in self.caches_array: |
| cache_class_name = cache_class.__name__ |
| cachefile = getCacheFile(self.cachedir, cache_class.cachefile, self.data_hash) |
| with open(cachefile, "wb") as f: |
| p = pickle.Pickler(f, pickle.HIGHEST_PROTOCOL) |
| p.dump(__cache_version__) |
| p.dump(bb.__version__) |
| |
| for key, info_array in self.depends_cache.items(): |
| for info in info_array: |
| if isinstance(info, RecipeInfoCommon) and info.__class__.__name__ == cache_class_name: |
| p.dump(key) |
| p.dump(info) |
| |
| del self.depends_cache |
| |
| @staticmethod |
| def mtime(cachefile): |
| return bb.parse.cached_mtime_noerror(cachefile) |
| |
| def add_info(self, filename, info_array, cacheData, parsed=None, watcher=None): |
| if isinstance(info_array[0], CoreRecipeInfo) and (not info_array[0].skipped): |
| cacheData.add_from_recipeinfo(filename, info_array) |
| |
| if watcher: |
| watcher(info_array[0].file_depends) |
| |
| if not self.has_cache: |
| return |
| |
| if (info_array[0].skipped or 'SRCREVINACTION' not in info_array[0].pv) and not info_array[0].nocache: |
| if parsed: |
| self.cacheclean = False |
| self.depends_cache[filename] = info_array |
| |
| def add(self, file_name, data, cacheData, parsed=None): |
| """ |
| Save data we need into the cache |
| """ |
| |
| realfn = virtualfn2realfn(file_name)[0] |
| |
| info_array = [] |
| for cache_class in self.caches_array: |
| info_array.append(cache_class(realfn, data)) |
| self.add_info(file_name, info_array, cacheData, parsed) |
| |
| |
| def init(cooker): |
| """ |
| The Objective: Cache the minimum amount of data possible yet get to the |
| stage of building packages (i.e. tryBuild) without reparsing any .bb files. |
| |
| To do this, we intercept getVar calls and only cache the variables we see |
| being accessed. We rely on the cache getVar calls being made for all |
| variables bitbake might need to use to reach this stage. For each cached |
| file we need to track: |
| |
| * Its mtime |
| * The mtimes of all its dependencies |
| * Whether it caused a parse.SkipRecipe exception |
| |
| Files causing parsing errors are evicted from the cache. |
| |
| """ |
| return Cache(cooker.configuration.data, cooker.configuration.data_hash) |
| |
| |
| class CacheData(object): |
| """ |
| The data structures we compile from the cached data |
| """ |
| |
| def __init__(self, caches_array): |
| self.caches_array = caches_array |
| for cache_class in self.caches_array: |
| if not issubclass(cache_class, RecipeInfoCommon): |
| bb.error("Extra cache data class %s should subclass RecipeInfoCommon class" % cache_class) |
| cache_class.init_cacheData(self) |
| |
| # Direct cache variables |
| self.task_queues = {} |
| self.preferred = {} |
| self.tasks = {} |
| # Indirect Cache variables (set elsewhere) |
| self.ignored_dependencies = [] |
| self.world_target = set() |
| self.bbfile_priority = {} |
| |
| def add_from_recipeinfo(self, fn, info_array): |
| for info in info_array: |
| info.add_cacheData(self, fn) |
| |
| class MultiProcessCache(object): |
| """ |
| BitBake multi-process cache implementation |
| |
| Used by the codeparser & file checksum caches |
| """ |
| |
| def __init__(self): |
| self.cachefile = None |
| self.cachedata = self.create_cachedata() |
| self.cachedata_extras = self.create_cachedata() |
| |
| def init_cache(self, d, cache_file_name=None): |
| cachedir = (d.getVar("PERSISTENT_DIR") or |
| d.getVar("CACHE")) |
| if cachedir in [None, '']: |
| return |
| bb.utils.mkdirhier(cachedir) |
| self.cachefile = os.path.join(cachedir, |
| cache_file_name or self.__class__.cache_file_name) |
| logger.debug(1, "Using cache in '%s'", self.cachefile) |
| |
| glf = bb.utils.lockfile(self.cachefile + ".lock") |
| |
| try: |
| with open(self.cachefile, "rb") as f: |
| p = pickle.Unpickler(f) |
| data, version = p.load() |
| except: |
| bb.utils.unlockfile(glf) |
| return |
| |
| bb.utils.unlockfile(glf) |
| |
| if version != self.__class__.CACHE_VERSION: |
| return |
| |
| self.cachedata = data |
| |
| def create_cachedata(self): |
| data = [{}] |
| return data |
| |
| def save_extras(self): |
| if not self.cachefile: |
| return |
| |
| glf = bb.utils.lockfile(self.cachefile + ".lock", shared=True) |
| |
| i = os.getpid() |
| lf = None |
| while not lf: |
| lf = bb.utils.lockfile(self.cachefile + ".lock." + str(i), retry=False) |
| if not lf or os.path.exists(self.cachefile + "-" + str(i)): |
| if lf: |
| bb.utils.unlockfile(lf) |
| lf = None |
| i = i + 1 |
| continue |
| |
| with open(self.cachefile + "-" + str(i), "wb") as f: |
| p = pickle.Pickler(f, -1) |
| p.dump([self.cachedata_extras, self.__class__.CACHE_VERSION]) |
| |
| bb.utils.unlockfile(lf) |
| bb.utils.unlockfile(glf) |
| |
| def merge_data(self, source, dest): |
| for j in range(0,len(dest)): |
| for h in source[j]: |
| if h not in dest[j]: |
| dest[j][h] = source[j][h] |
| |
| def save_merge(self): |
| if not self.cachefile: |
| return |
| |
| glf = bb.utils.lockfile(self.cachefile + ".lock") |
| |
| data = self.cachedata |
| |
| for f in [y for y in os.listdir(os.path.dirname(self.cachefile)) if y.startswith(os.path.basename(self.cachefile) + '-')]: |
| f = os.path.join(os.path.dirname(self.cachefile), f) |
| try: |
| with open(f, "rb") as fd: |
| p = pickle.Unpickler(fd) |
| extradata, version = p.load() |
| except (IOError, EOFError): |
| os.unlink(f) |
| continue |
| |
| if version != self.__class__.CACHE_VERSION: |
| os.unlink(f) |
| continue |
| |
| self.merge_data(extradata, data) |
| os.unlink(f) |
| |
| with open(self.cachefile, "wb") as f: |
| p = pickle.Pickler(f, -1) |
| p.dump([data, self.__class__.CACHE_VERSION]) |
| |
| bb.utils.unlockfile(glf) |