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- # Copyright (C) 2016-2018 Wind River Systems, Inc.
- #
- # 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- import datetime
- import logging
- import imp
- from collections import OrderedDict
- from layerindexlib.plugin import LayerIndexPluginUrlError
- logger = logging.getLogger('BitBake.layerindexlib')
- # Exceptions
- class LayerIndexException(Exception):
- '''LayerIndex Generic Exception'''
- def __init__(self, message):
- self.msg = message
- Exception.__init__(self, message)
- def __str__(self):
- return self.msg
- class LayerIndexUrlError(LayerIndexException):
- '''Exception raised when unable to access a URL for some reason'''
- def __init__(self, url, message=""):
- if message:
- msg = "Unable to access layerindex url %s: %s" % (url, message)
- else:
- msg = "Unable to access layerindex url %s" % url
- self.url = url
- LayerIndexException.__init__(self, msg)
- class LayerIndexFetchError(LayerIndexException):
- '''General layerindex fetcher exception when something fails'''
- def __init__(self, url, message=""):
- if message:
- msg = "Unable to fetch layerindex url %s: %s" % (url, message)
- else:
- msg = "Unable to fetch layerindex url %s" % url
- self.url = url
- LayerIndexException.__init__(self, msg)
- # Interface to the overall layerindex system
- # the layer may contain one or more individual indexes
- class LayerIndex():
- def __init__(self, d):
- if not d:
- raise LayerIndexException("Must be initialized with bb.data.")
- self.data = d
- # List of LayerIndexObj
- self.indexes = []
- self.plugins = []
- import bb.utils
- bb.utils.load_plugins(logger, self.plugins, os.path.dirname(__file__))
- for plugin in self.plugins:
- if hasattr(plugin, 'init'):
- plugin.init(self)
- def __add__(self, other):
- newIndex = LayerIndex(self.data)
- if self.__class__ != newIndex.__class__ or \
- other.__class__ != newIndex.__class__:
- raise TypeException("Can not add different types.")
- for indexEnt in self.indexes:
- newIndex.indexes.append(indexEnt)
- for indexEnt in other.indexes:
- newIndex.indexes.append(indexEnt)
- return newIndex
- def _parse_params(self, params):
- '''Take a parameter list, return a dictionary of parameters.
- Expected to be called from the data of urllib.parse.urlparse(url).params
- If there are two conflicting parameters, last in wins...
- '''
- param_dict = {}
- for param in params.split(';'):
- if not param:
- continue
- item = param.split('=', 1)
- logger.debug(1, item)
- param_dict[item[0]] = item[1]
- return param_dict
- def _fetch_url(self, url, username=None, password=None, debuglevel=0):
- '''Fetch data from a specific URL.
- Fetch something from a specific URL. This is specifically designed to
- fetch data from a layerindex-web instance, but may be useful for other
- raw fetch actions.
- It is not designed to be used to fetch recipe sources or similar. the
- regular fetcher class should used for that.
- It is the responsibility of the caller to check BB_NO_NETWORK and related
- BB_ALLOWED_NETWORKS.
- '''
- if not url:
- raise LayerIndexUrlError(url, "empty url")
- import urllib
- from urllib.request import urlopen, Request
- from urllib.parse import urlparse
- up = urlparse(url)
- if username:
- logger.debug(1, "Configuring authentication for %s..." % url)
- password_mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
- password_mgr.add_password(None, "%s://%s" % (up.scheme, up.netloc), username, password)
- handler = urllib.request.HTTPBasicAuthHandler(password_mgr)
- opener = urllib.request.build_opener(handler, urllib.request.HTTPSHandler(debuglevel=debuglevel))
- else:
- opener = urllib.request.build_opener(urllib.request.HTTPSHandler(debuglevel=debuglevel))
- urllib.request.install_opener(opener)
- logger.debug(1, "Fetching %s (%s)..." % (url, ["without authentication", "with authentication"][bool(username)]))
- try:
- res = urlopen(Request(url, headers={'User-Agent': 'Mozilla/5.0 (bitbake/lib/layerindex)'}, unverifiable=True))
- except urllib.error.HTTPError as e:
- logger.debug(1, "HTTP Error: %s: %s" % (e.code, e.reason))
- logger.debug(1, " Requested: %s" % (url))
- logger.debug(1, " Actual: %s" % (e.geturl()))
- if e.code == 404:
- logger.debug(1, "Request not found.")
- raise LayerIndexFetchError(url, e)
- else:
- logger.debug(1, "Headers:\n%s" % (e.headers))
- raise LayerIndexFetchError(url, e)
- except OSError as e:
- error = 0
- reason = ""
- # Process base OSError first...
- if hasattr(e, 'errno'):
- error = e.errno
- reason = e.strerror
- # Process gaierror (socket error) subclass if available.
- if hasattr(e, 'reason') and hasattr(e.reason, 'errno') and hasattr(e.reason, 'strerror'):
- error = e.reason.errno
- reason = e.reason.strerror
- if error == -2:
- raise LayerIndexFetchError(url, "%s: %s" % (e, reason))
- if error and error != 0:
- raise LayerIndexFetchError(url, "Unexpected exception: [Error %s] %s" % (error, reason))
- else:
- raise LayerIndexFetchError(url, "Unable to fetch OSError exception: %s" % e)
- finally:
- logger.debug(1, "...fetching %s (%s), done." % (url, ["without authentication", "with authentication"][bool(username)]))
- return res
- def load_layerindex(self, indexURI, load=['layerDependencies', 'recipes', 'machines', 'distros'], reload=False):
- '''Load the layerindex.
- indexURI - An index to load. (Use multiple calls to load multiple indexes)
-
- reload - If reload is True, then any previously loaded indexes will be forgotten.
-
- load - List of elements to load. Default loads all items.
- Note: plugs may ignore this.
- The format of the indexURI:
- <url>;branch=<branch>;cache=<cache>;desc=<description>
- Note: the 'branch' parameter if set can select multiple branches by using
- comma, such as 'branch=master,morty,pyro'. However, many operations only look
- at the -first- branch specified!
- The cache value may be undefined, in this case a network failure will
- result in an error, otherwise the system will look for a file of the cache
- name and load that instead.
- For example:
- http://layers.openembedded.org/layerindex/api/;branch=master;desc=OpenEmbedded%20Layer%20Index
- cooker://
- '''
- if reload:
- self.indexes = []
- logger.debug(1, 'Loading: %s' % indexURI)
- if not self.plugins:
- raise LayerIndexException("No LayerIndex Plugins available")
- for plugin in self.plugins:
- # Check if the plugin was initialized
- logger.debug(1, 'Trying %s' % plugin.__class__)
- if not hasattr(plugin, 'type') or not plugin.type:
- continue
- try:
- # TODO: Implement 'cache', for when the network is not available
- indexEnt = plugin.load_index(indexURI, load)
- break
- except LayerIndexPluginUrlError as e:
- logger.debug(1, "%s doesn't support %s" % (plugin.type, e.url))
- except NotImplementedError:
- pass
- else:
- logger.debug(1, "No plugins support %s" % indexURI)
- raise LayerIndexException("No plugins support %s" % indexURI)
- # Mark CONFIG data as something we've added...
- indexEnt.config['local'] = []
- indexEnt.config['local'].append('config')
- # No longer permit changes..
- indexEnt.lockData()
- self.indexes.append(indexEnt)
- def store_layerindex(self, indexURI, index=None):
- '''Store one layerindex
- Typically this will be used to create a local cache file of a remote index.
- file://<path>;branch=<branch>
- We can write out in either the restapi or django formats. The split option
- will write out the individual elements split by layer and related components.
- '''
- if not index:
- logger.warning('No index to write, nothing to do.')
- return
- if not self.plugins:
- raise LayerIndexException("No LayerIndex Plugins available")
- for plugin in self.plugins:
- # Check if the plugin was initialized
- logger.debug(1, 'Trying %s' % plugin.__class__)
- if not hasattr(plugin, 'type') or not plugin.type:
- continue
- try:
- plugin.store_index(indexURI, index)
- break
- except LayerIndexPluginUrlError as e:
- logger.debug(1, "%s doesn't support %s" % (plugin.type, e.url))
- except NotImplementedError:
- logger.debug(1, "Store not implemented in %s" % plugin.type)
- pass
- else:
- logger.debug(1, "No plugins support %s" % url)
- raise LayerIndexException("No plugins support %s" % url)
- def is_empty(self):
- '''Return True or False if the index has any usable data.
- We check the indexes entries to see if they have a branch set, as well as
- layerBranches set. If not, they are effectively blank.'''
- found = False
- for index in self.indexes:
- if index.__bool__():
- found = True
- break
- return not found
- def find_vcs_url(self, vcs_url, branch=None):
- '''Return the first layerBranch with the given vcs_url
- If a branch has not been specified, we will iterate over the branches in
- the default configuration until the first vcs_url/branch match.'''
- for index in self.indexes:
- logger.debug(1, ' searching %s' % index.config['DESCRIPTION'])
- layerBranch = index.find_vcs_url(vcs_url, [branch])
- if layerBranch:
- return layerBranch
- return None
- def find_collection(self, collection, version=None, branch=None):
- '''Return the first layerBranch with the given collection name
- If a branch has not been specified, we will iterate over the branches in
- the default configuration until the first collection/branch match.'''
- logger.debug(1, 'find_collection: %s (%s) %s' % (collection, version, branch))
- if branch:
- branches = [branch]
- else:
- branches = None
- for index in self.indexes:
- logger.debug(1, ' searching %s' % index.config['DESCRIPTION'])
- layerBranch = index.find_collection(collection, version, branches)
- if layerBranch:
- return layerBranch
- else:
- logger.debug(1, 'Collection %s (%s) not found for branch (%s)' % (collection, version, branch))
- return None
- def find_layerbranch(self, name, branch=None):
- '''Return the layerBranch item for a given name and branch
- If a branch has not been specified, we will iterate over the branches in
- the default configuration until the first name/branch match.'''
- if branch:
- branches = [branch]
- else:
- branches = None
- for index in self.indexes:
- layerBranch = index.find_layerbranch(name, branches)
- if layerBranch:
- return layerBranch
- return None
- def find_dependencies(self, names=None, layerbranches=None, ignores=None):
- '''Return a tuple of all dependencies and valid items for the list of (layer) names
- The dependency scanning happens depth-first. The returned
- dependencies should be in the best order to define bblayers.
- names - list of layer names (searching layerItems)
- branches - when specified (with names) only this list of branches are evaluated
- layerbranches - list of layerbranches to resolve dependencies
- ignores - list of layer names to ignore
- return: (dependencies, invalid)
- dependencies[LayerItem.name] = [ LayerBranch, LayerDependency1, LayerDependency2, ... ]
- invalid = [ LayerItem.name1, LayerItem.name2, ... ]
- '''
- invalid = []
- # Convert name/branch to layerbranches
- if layerbranches is None:
- layerbranches = []
- for name in names:
- if ignores and name in ignores:
- continue
- for index in self.indexes:
- layerbranch = index.find_layerbranch(name)
- if not layerbranch:
- # Not in this index, hopefully it's in another...
- continue
- layerbranches.append(layerbranch)
- break
- else:
- invalid.append(name)
- def _resolve_dependencies(layerbranches, ignores, dependencies, invalid):
- for layerbranch in layerbranches:
- if ignores and layerbranch.layer.name in ignores:
- continue
- # Get a list of dependencies and then recursively process them
- for layerdependency in layerbranch.index.layerDependencies_layerBranchId[layerbranch.id]:
- deplayerbranch = layerdependency.dependency_layerBranch
- if ignores and deplayerbranch.layer.name in ignores:
- continue
- # This little block is why we can't re-use the LayerIndexObj version,
- # we must be able to satisfy each dependencies across layer indexes and
- # use the layer index order for priority. (r stands for replacement below)
- # If this is the primary index, we can fast path and skip this
- if deplayerbranch.index != self.indexes[0]:
- # Is there an entry in a prior index for this collection/version?
- rdeplayerbranch = self.find_collection(
- collection=deplayerbranch.collection,
- version=deplayerbranch.version
- )
- if rdeplayerbranch != deplayerbranch:
- logger.debug(1, 'Replaced %s:%s:%s with %s:%s:%s' % \
- (deplayerbranch.index.config['DESCRIPTION'],
- deplayerbranch.branch.name,
- deplayerbranch.layer.name,
- rdeplayerbranch.index.config['DESCRIPTION'],
- rdeplayerbranch.branch.name,
- rdeplayerbranch.layer.name))
- deplayerbranch = rdeplayerbranch
- # New dependency, we need to resolve it now... depth-first
- if deplayerbranch.layer.name not in dependencies:
- (dependencies, invalid) = _resolve_dependencies([deplayerbranch], ignores, dependencies, invalid)
- if deplayerbranch.layer.name not in dependencies:
- dependencies[deplayerbranch.layer.name] = [deplayerbranch, layerdependency]
- else:
- if layerdependency not in dependencies[deplayerbranch.layer.name]:
- dependencies[deplayerbranch.layer.name].append(layerdependency)
- return (dependencies, invalid)
- # OK, resolve this one...
- dependencies = OrderedDict()
- (dependencies, invalid) = _resolve_dependencies(layerbranches, ignores, dependencies, invalid)
- for layerbranch in layerbranches:
- if layerbranch.layer.name not in dependencies:
- dependencies[layerbranch.layer.name] = [layerbranch]
- return (dependencies, invalid)
- def list_obj(self, object):
- '''Print via the plain logger object information
- This function is used to implement debugging and provide the user info.
- '''
- for lix in self.indexes:
- if object not in lix:
- continue
- logger.plain ('')
- logger.plain ('Index: %s' % lix.config['DESCRIPTION'])
- output = []
- if object == 'branches':
- logger.plain ('%s %s %s' % ('{:26}'.format('branch'), '{:34}'.format('description'), '{:22}'.format('bitbake branch')))
- logger.plain ('{:-^80}'.format(""))
- for branchid in lix.branches:
- output.append('%s %s %s' % (
- '{:26}'.format(lix.branches[branchid].name),
- '{:34}'.format(lix.branches[branchid].short_description),
- '{:22}'.format(lix.branches[branchid].bitbake_branch)
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'layerItems':
- logger.plain ('%s %s' % ('{:26}'.format('layer'), '{:34}'.format('description')))
- logger.plain ('{:-^80}'.format(""))
- for layerid in lix.layerItems:
- output.append('%s %s' % (
- '{:26}'.format(lix.layerItems[layerid].name),
- '{:34}'.format(lix.layerItems[layerid].summary)
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'layerBranches':
- logger.plain ('%s %s %s' % ('{:26}'.format('layer'), '{:34}'.format('description'), '{:19}'.format('collection:version')))
- logger.plain ('{:-^80}'.format(""))
- for layerbranchid in lix.layerBranches:
- output.append('%s %s %s' % (
- '{:26}'.format(lix.layerBranches[layerbranchid].layer.name),
- '{:34}'.format(lix.layerBranches[layerbranchid].layer.summary),
- '{:19}'.format("%s:%s" %
- (lix.layerBranches[layerbranchid].collection,
- lix.layerBranches[layerbranchid].version)
- )
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'layerDependencies':
- logger.plain ('%s %s %s %s' % ('{:19}'.format('branch'), '{:26}'.format('layer'), '{:11}'.format('dependency'), '{:26}'.format('layer')))
- logger.plain ('{:-^80}'.format(""))
- for layerDependency in lix.layerDependencies:
- if not lix.layerDependencies[layerDependency].dependency_layerBranch:
- continue
- output.append('%s %s %s %s' % (
- '{:19}'.format(lix.layerDependencies[layerDependency].layerbranch.branch.name),
- '{:26}'.format(lix.layerDependencies[layerDependency].layerbranch.layer.name),
- '{:11}'.format('requires' if lix.layerDependencies[layerDependency].required else 'recommends'),
- '{:26}'.format(lix.layerDependencies[layerDependency].dependency_layerBranch.layer.name)
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'recipes':
- logger.plain ('%s %s %s' % ('{:20}'.format('recipe'), '{:10}'.format('version'), 'layer'))
- logger.plain ('{:-^80}'.format(""))
- output = []
- for recipe in lix.recipes:
- output.append('%s %s %s' % (
- '{:30}'.format(lix.recipes[recipe].pn),
- '{:30}'.format(lix.recipes[recipe].pv),
- lix.recipes[recipe].layer.name
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'machines':
- logger.plain ('%s %s %s' % ('{:24}'.format('machine'), '{:34}'.format('description'), '{:19}'.format('layer')))
- logger.plain ('{:-^80}'.format(""))
- for machine in lix.machines:
- output.append('%s %s %s' % (
- '{:24}'.format(lix.machines[machine].name),
- '{:34}'.format(lix.machines[machine].description)[:34],
- '{:19}'.format(lix.machines[machine].layerbranch.layer.name)
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- if object == 'distros':
- logger.plain ('%s %s %s' % ('{:24}'.format('distro'), '{:34}'.format('description'), '{:19}'.format('layer')))
- logger.plain ('{:-^80}'.format(""))
- for distro in lix.distros:
- output.append('%s %s %s' % (
- '{:24}'.format(lix.distros[distro].name),
- '{:34}'.format(lix.distros[distro].description)[:34],
- '{:19}'.format(lix.distros[distro].layerbranch.layer.name)
- ))
- for line in sorted(output):
- logger.plain (line)
- continue
- logger.plain ('')
- # This class holds a single layer index instance
- # The LayerIndexObj is made up of dictionary of elements, such as:
- # index['config'] - configuration data for this index
- # index['branches'] - dictionary of Branch objects, by id number
- # index['layerItems'] - dictionary of layerItem objects, by id number
- # ...etc... (See: http://layers.openembedded.org/layerindex/api/)
- #
- # The class needs to manage the 'index' entries and allow easily adding
- # of new items, as well as simply loading of the items.
- class LayerIndexObj():
- def __init__(self):
- super().__setattr__('_index', {})
- super().__setattr__('_lock', False)
- def __bool__(self):
- '''False if the index is effectively empty
- We check the index to see if it has a branch set, as well as
- layerbranches set. If not, it is effectively blank.'''
- if not bool(self._index):
- return False
- try:
- if self.branches and self.layerBranches:
- return True
- except AttributeError:
- pass
- return False
- def __getattr__(self, name):
- if name.startswith('_'):
- return super().__getattribute__(name)
- if name not in self._index:
- raise AttributeError('%s not in index datastore' % name)
- return self._index[name]
- def __setattr__(self, name, value):
- if self.isLocked():
- raise TypeError("Can not set attribute '%s': index is locked" % name)
- if name.startswith('_'):
- super().__setattr__(name, value)
- return
- self._index[name] = value
- def __delattr__(self, name):
- if self.isLocked():
- raise TypeError("Can not delete attribute '%s': index is locked" % name)
- if name.startswith('_'):
- super().__delattr__(name)
- self._index.pop(name)
- def lockData(self):
- '''Lock data object (make it readonly)'''
- super().__setattr__("_lock", True)
- def unlockData(self):
- '''unlock data object (make it readonly)'''
- super().__setattr__("_lock", False)
- # When the data is unlocked, we have to clear the caches, as
- # modification is allowed!
- del(self._layerBranches_layerId_branchId)
- del(self._layerDependencies_layerBranchId)
- del(self._layerBranches_vcsUrl)
- def isLocked(self):
- '''Is this object locked (readonly)?'''
- return self._lock
- def add_element(self, indexname, objs):
- '''Add a layer index object to index.<indexname>'''
- if indexname not in self._index:
- self._index[indexname] = {}
- for obj in objs:
- if obj.id in self._index[indexname]:
- if self._index[indexname][obj.id] == obj:
- continue
- raise LayerIndexError('Conflict adding object %s(%s) to index' % (indexname, obj.id))
- self._index[indexname][obj.id] = obj
- def add_raw_element(self, indexname, objtype, rawobjs):
- '''Convert a raw layer index data item to a layer index item object and add to the index'''
- objs = []
- for entry in rawobjs:
- objs.append(objtype(self, entry))
- self.add_element(indexname, objs)
- # Quick lookup table for searching layerId and branchID combos
- @property
- def layerBranches_layerId_branchId(self):
- def createCache(self):
- cache = {}
- for layerbranchid in self.layerBranches:
- layerbranch = self.layerBranches[layerbranchid]
- cache["%s:%s" % (layerbranch.layer_id, layerbranch.branch_id)] = layerbranch
- return cache
- if self.isLocked():
- cache = getattr(self, '_layerBranches_layerId_branchId', None)
- else:
- cache = None
- if not cache:
- cache = createCache(self)
- if self.isLocked():
- super().__setattr__('_layerBranches_layerId_branchId', cache)
- return cache
- # Quick lookup table for finding all dependencies of a layerBranch
- @property
- def layerDependencies_layerBranchId(self):
- def createCache(self):
- cache = {}
- # This ensures empty lists for all branchids
- for layerbranchid in self.layerBranches:
- cache[layerbranchid] = []
- for layerdependencyid in self.layerDependencies:
- layerdependency = self.layerDependencies[layerdependencyid]
- cache[layerdependency.layerbranch_id].append(layerdependency)
- return cache
- if self.isLocked():
- cache = getattr(self, '_layerDependencies_layerBranchId', None)
- else:
- cache = None
- if not cache:
- cache = createCache(self)
- if self.isLocked():
- super().__setattr__('_layerDependencies_layerBranchId', cache)
- return cache
- # Quick lookup table for finding all instances of a vcs_url
- @property
- def layerBranches_vcsUrl(self):
- def createCache(self):
- cache = {}
- for layerbranchid in self.layerBranches:
- layerbranch = self.layerBranches[layerbranchid]
- if layerbranch.layer.vcs_url not in cache:
- cache[layerbranch.layer.vcs_url] = [layerbranch]
- else:
- cache[layerbranch.layer.vcs_url].append(layerbranch)
- return cache
- if self.isLocked():
- cache = getattr(self, '_layerBranches_vcsUrl', None)
- else:
- cache = None
- if not cache:
- cache = createCache(self)
- if self.isLocked():
- super().__setattr__('_layerBranches_vcsUrl', cache)
- return cache
- def find_vcs_url(self, vcs_url, branches=None):
- ''''Return the first layerBranch with the given vcs_url
- If a list of branches has not been specified, we will iterate on
- all branches until the first vcs_url is found.'''
- if not self.__bool__():
- return None
- for layerbranch in self.layerBranches_vcsUrl:
- if branches and layerbranch.branch.name not in branches:
- continue
- return layerbranch
- return None
- def find_collection(self, collection, version=None, branches=None):
- '''Return the first layerBranch with the given collection name
- If a list of branches has not been specified, we will iterate on
- all branches until the first collection is found.'''
- if not self.__bool__():
- return None
- for layerbranchid in self.layerBranches:
- layerbranch = self.layerBranches[layerbranchid]
- if branches and layerbranch.branch.name not in branches:
- continue
- if layerbranch.collection == collection and \
- (version is None or version == layerbranch.version):
- return layerbranch
- return None
- def find_layerbranch(self, name, branches=None):
- '''Return the first layerbranch whose layer name matches
- If a list of branches has not been specified, we will iterate on
- all branches until the first layer with that name is found.'''
- if not self.__bool__():
- return None
- for layerbranchid in self.layerBranches:
- layerbranch = self.layerBranches[layerbranchid]
- if branches and layerbranch.branch.name not in branches:
- continue
- if layerbranch.layer.name == name:
- return layerbranch
- return None
- def find_dependencies(self, names=None, branches=None, layerBranches=None, ignores=None):
- '''Return a tuple of all dependencies and valid items for the list of (layer) names
- The dependency scanning happens depth-first. The returned
- dependencies should be in the best order to define bblayers.
- names - list of layer names (searching layerItems)
- branches - when specified (with names) only this list of branches are evaluated
- layerBranches - list of layerBranches to resolve dependencies
- ignores - list of layer names to ignore
- return: (dependencies, invalid)
- dependencies[LayerItem.name] = [ LayerBranch, LayerDependency1, LayerDependency2, ... ]
- invalid = [ LayerItem.name1, LayerItem.name2, ... ]'''
- invalid = []
- # Convert name/branch to layerBranches
- if layerbranches is None:
- layerbranches = []
- for name in names:
- if ignores and name in ignores:
- continue
- layerbranch = self.find_layerbranch(name, branches)
- if not layerbranch:
- invalid.append(name)
- else:
- layerbranches.append(layerbranch)
- for layerbranch in layerbranches:
- if layerbranch.index != self:
- raise LayerIndexException("Can not resolve dependencies across indexes with this class function!")
- def _resolve_dependencies(layerbranches, ignores, dependencies, invalid):
- for layerbranch in layerbranches:
- if ignores and layerBranch.layer.name in ignores:
- continue
- for layerdependency in layerbranch.index.layerDependencies_layerBranchId[layerBranch.id]:
- deplayerbranch = layerDependency.dependency_layerBranch
- if ignores and deplayerbranch.layer.name in ignores:
- continue
- # New dependency, we need to resolve it now... depth-first
- if deplayerbranch.layer.name not in dependencies:
- (dependencies, invalid) = _resolve_dependencies([deplayerbranch], ignores, dependencies, invalid)
- if deplayerbranch.layer.name not in dependencies:
- dependencies[deplayerbranch.layer.name] = [deplayerbranch, layerdependency]
- else:
- if layerdependency not in dependencies[deplayerbranch.layer.name]:
- dependencies[deplayerbranch.layer.name].append(layerdependency)
- return (dependencies, invalid)
- # OK, resolve this one...
- dependencies = OrderedDict()
- (dependencies, invalid) = _resolve_dependencies(layerbranches, ignores, dependencies, invalid)
- # Is this item already in the list, if not add it
- for layerbranch in layerbranches:
- if layerbranch.layer.name not in dependencies:
- dependencies[layerbranch.layer.name] = [layerbranch]
- return (dependencies, invalid)
- # Define a basic LayerIndexItemObj. This object forms the basis for all other
- # objects. The raw Layer Index data is stored in the _data element, but we
- # do not want users to access data directly. So wrap this and protect it
- # from direct manipulation.
- #
- # It is up to the insantiators of the objects to fill them out, and once done
- # lock the objects to prevent further accidently manipulation.
- #
- # Using the getattr, setattr and properties we can access and manipulate
- # the data within the data element.
- class LayerIndexItemObj():
- def __init__(self, index, data=None, lock=False):
- if data is None:
- data = {}
- if type(data) != type(dict()):
- raise TypeError('data (%s) is not a dict' % type(data))
- super().__setattr__('_lock', lock)
- super().__setattr__('index', index)
- super().__setattr__('_data', data)
- def __eq__(self, other):
- if self.__class__ != other.__class__:
- return False
- res=(self._data == other._data)
- return res
- def __bool__(self):
- return bool(self._data)
- def __getattr__(self, name):
- # These are internal to THIS class, and not part of data
- if name == "index" or name.startswith('_'):
- return super().__getattribute__(name)
- if name not in self._data:
- raise AttributeError('%s not in datastore' % name)
- return self._data[name]
- def _setattr(self, name, value, prop=True):
- '''__setattr__ like function, but with control over property object behavior'''
- if self.isLocked():
- raise TypeError("Can not set attribute '%s': Object data is locked" % name)
- if name.startswith('_'):
- super().__setattr__(name, value)
- return
- # Since __setattr__ runs before properties, we need to check if
- # there is a setter property and then execute it
- # ... or return self._data[name]
- propertyobj = getattr(self.__class__, name, None)
- if prop and isinstance(propertyobj, property):
- if propertyobj.fset:
- propertyobj.fset(self, value)
- else:
- raise AttributeError('Attribute %s is readonly, and may not be set' % name)
- else:
- self._data[name] = value
- def __setattr__(self, name, value):
- self._setattr(name, value, prop=True)
- def _delattr(self, name, prop=True):
- # Since __delattr__ runs before properties, we need to check if
- # there is a deleter property and then execute it
- # ... or we pop it ourselves..
- propertyobj = getattr(self.__class__, name, None)
- if prop and isinstance(propertyobj, property):
- if propertyobj.fdel:
- propertyobj.fdel(self)
- else:
- raise AttributeError('Attribute %s is readonly, and may not be deleted' % name)
- else:
- self._data.pop(name)
- def __delattr__(self, name):
- self._delattr(name, prop=True)
- def lockData(self):
- '''Lock data object (make it readonly)'''
- super().__setattr__("_lock", True)
- def unlockData(self):
- '''unlock data object (make it readonly)'''
- super().__setattr__("_lock", False)
- def isLocked(self):
- '''Is this object locked (readonly)?'''
- return self._lock
- # Branch object
- class Branch(LayerIndexItemObj):
- def define_data(self, id, name, bitbake_branch,
- short_description=None, sort_priority=1,
- updates_enabled=True, updated=None,
- update_environment=None):
- self.id = id
- self.name = name
- self.bitbake_branch = bitbake_branch
- self.short_description = short_description or name
- self.sort_priority = sort_priority
- self.updates_enabled = updates_enabled
- self.updated = updated or datetime.datetime.today().isoformat()
- self.update_environment = update_environment
- @property
- def name(self):
- return self.__getattr__('name')
- @name.setter
- def name(self, value):
- self._data['name'] = value
- if self.bitbake_branch == value:
- self.bitbake_branch = ""
- @name.deleter
- def name(self):
- self._delattr('name', prop=False)
- @property
- def bitbake_branch(self):
- try:
- return self.__getattr__('bitbake_branch')
- except AttributeError:
- return self.name
- @bitbake_branch.setter
- def bitbake_branch(self, value):
- if self.name == value:
- self._data['bitbake_branch'] = ""
- else:
- self._data['bitbake_branch'] = value
- @bitbake_branch.deleter
- def bitbake_branch(self):
- self._delattr('bitbake_branch', prop=False)
- class LayerItem(LayerIndexItemObj):
- def define_data(self, id, name, status='P',
- layer_type='A', summary=None,
- description=None,
- vcs_url=None, vcs_web_url=None,
- vcs_web_tree_base_url=None,
- vcs_web_file_base_url=None,
- usage_url=None,
- mailing_list_url=None,
- index_preference=1,
- classic=False,
- updated=None):
- self.id = id
- self.name = name
- self.status = status
- self.layer_type = layer_type
- self.summary = summary or name
- self.description = description or summary or name
- self.vcs_url = vcs_url
- self.vcs_web_url = vcs_web_url
- self.vcs_web_tree_base_url = vcs_web_tree_base_url
- self.vcs_web_file_base_url = vcs_web_file_base_url
- self.index_preference = index_preference
- self.classic = classic
- self.updated = updated or datetime.datetime.today().isoformat()
- class LayerBranch(LayerIndexItemObj):
- def define_data(self, id, collection, version, layer, branch,
- vcs_subdir="", vcs_last_fetch=None,
- vcs_last_rev=None, vcs_last_commit=None,
- actual_branch="",
- updated=None):
- self.id = id
- self.collection = collection
- self.version = version
- if type(layer) != type(LayerItem):
- self.layer_id = layer
- else:
- self.layer = layer
- if type(branch) != type(Branch):
- self.branch_id = branch
- else:
- self.branch = branch
- self.vcs_subdir = vcs_subdir
- self.vcs_last_fetch = vcs_last_fetch
- self.vcs_last_rev = vcs_last_rev
- self.vcs_last_commit = vcs_last_commit
- self.actual_branch = actual_branch
- self.updated = updated or datetime.datetime.today().isoformat()
- # This is a little odd, the _data attribute is 'layer', but it's really
- # referring to the layer id.. so lets adjust this to make it useful
- @property
- def layer_id(self):
- return self.__getattr__('layer')
- @layer_id.setter
- def layer_id(self, value):
- self._setattr('layer', value, prop=False)
- @layer_id.deleter
- def layer_id(self):
- self._delattr('layer', prop=False)
- @property
- def layer(self):
- try:
- return self.index.layerItems[self.layer_id]
- except KeyError:
- raise AttributeError('Unable to find layerItems in index to map layer_id %s' % self.layer_id)
- except IndexError:
- raise AttributeError('Unable to find layer_id %s in index layerItems' % self.layer_id)
- @layer.setter
- def layer(self, value):
- if type(value) != type(LayerItem):
- raise TypeError('value is not a LayerItem')
- if self.index != value.index:
- raise AttributeError('Object and value do not share the same index and thus key set.')
- self.layer_id = value.id
- @layer.deleter
- def layer(self):
- del self.layer_id
- @property
- def branch_id(self):
- return self.__getattr__('branch')
- @branch_id.setter
- def branch_id(self, value):
- self._setattr('branch', value, prop=False)
- @branch_id.deleter
- def branch_id(self):
- self._delattr('branch', prop=False)
- @property
- def branch(self):
- try:
- logger.debug(1, "Get branch object from branches[%s]" % (self.branch_id))
- return self.index.branches[self.branch_id]
- except KeyError:
- raise AttributeError('Unable to find branches in index to map branch_id %s' % self.branch_id)
- except IndexError:
- raise AttributeError('Unable to find branch_id %s in index branches' % self.branch_id)
- @branch.setter
- def branch(self, value):
- if type(value) != type(LayerItem):
- raise TypeError('value is not a LayerItem')
- if self.index != value.index:
- raise AttributeError('Object and value do not share the same index and thus key set.')
- self.branch_id = value.id
- @branch.deleter
- def branch(self):
- del self.branch_id
- @property
- def actual_branch(self):
- if self.__getattr__('actual_branch'):
- return self.__getattr__('actual_branch')
- else:
- return self.branch.name
- @actual_branch.setter
- def actual_branch(self, value):
- logger.debug(1, "Set actual_branch to %s .. name is %s" % (value, self.branch.name))
- if value != self.branch.name:
- self._setattr('actual_branch', value, prop=False)
- else:
- self._setattr('actual_branch', '', prop=False)
- @actual_branch.deleter
- def actual_branch(self):
- self._delattr('actual_branch', prop=False)
- # Extend LayerIndexItemObj with common LayerBranch manipulations
- # All of the remaining LayerIndex objects refer to layerbranch, and it is
- # up to the user to follow that back through the LayerBranch object into
- # the layer object to get various attributes. So add an intermediate set
- # of attributes that can easily get us the layerbranch as well as layer.
- class LayerIndexItemObj_LayerBranch(LayerIndexItemObj):
- @property
- def layerbranch_id(self):
- return self.__getattr__('layerbranch')
- @layerbranch_id.setter
- def layerbranch_id(self, value):
- self._setattr('layerbranch', value, prop=False)
- @layerbranch_id.deleter
- def layerbranch_id(self):
- self._delattr('layerbranch', prop=False)
- @property
- def layerbranch(self):
- try:
- return self.index.layerBranches[self.layerbranch_id]
- except KeyError:
- raise AttributeError('Unable to find layerBranches in index to map layerbranch_id %s' % self.layerbranch_id)
- except IndexError:
- raise AttributeError('Unable to find layerbranch_id %s in index branches' % self.layerbranch_id)
- @layerbranch.setter
- def layerbranch(self, value):
- if type(value) != type(LayerBranch):
- raise TypeError('value (%s) is not a layerBranch' % type(value))
- if self.index != value.index:
- raise AttributeError('Object and value do not share the same index and thus key set.')
- self.layerbranch_id = value.id
- @layerbranch.deleter
- def layerbranch(self):
- del self.layerbranch_id
- @property
- def layer_id(self):
- return self.layerbranch.layer_id
- # Doesn't make sense to set or delete layer_id
- @property
- def layer(self):
- return self.layerbranch.layer
- # Doesn't make sense to set or delete layer
- class LayerDependency(LayerIndexItemObj_LayerBranch):
- def define_data(self, id, layerbranch, dependency, required=True):
- self.id = id
- if type(layerbranch) != type(LayerBranch):
- self.layerbranch_id = layerbranch
- else:
- self.layerbranch = layerbranch
- if type(dependency) != type(LayerDependency):
- self.dependency_id = dependency
- else:
- self.dependency = dependency
- self.required = required
- @property
- def dependency_id(self):
- return self.__getattr__('dependency')
- @dependency_id.setter
- def dependency_id(self, value):
- self._setattr('dependency', value, prop=False)
- @dependency_id.deleter
- def dependency_id(self):
- self._delattr('dependency', prop=False)
- @property
- def dependency(self):
- try:
- return self.index.layerItems[self.dependency_id]
- except KeyError:
- raise AttributeError('Unable to find layerItems in index to map layerbranch_id %s' % self.dependency_id)
- except IndexError:
- raise AttributeError('Unable to find dependency_id %s in index layerItems' % self.dependency_id)
- @dependency.setter
- def dependency(self, value):
- if type(value) != type(LayerDependency):
- raise TypeError('value (%s) is not a dependency' % type(value))
- if self.index != value.index:
- raise AttributeError('Object and value do not share the same index and thus key set.')
- self.dependency_id = value.id
- @dependency.deleter
- def dependency(self):
- self._delattr('dependency', prop=False)
- @property
- def dependency_layerBranch(self):
- layerid = self.dependency_id
- branchid = self.layerbranch.branch_id
- try:
- return self.index.layerBranches_layerId_branchId["%s:%s" % (layerid, branchid)]
- except IndexError:
- # layerBranches_layerId_branchId -- but not layerId:branchId
- raise AttributeError('Unable to find layerId:branchId %s:%s in index layerBranches_layerId_branchId' % (layerid, branchid))
- except KeyError:
- raise AttributeError('Unable to find layerId:branchId %s:%s in layerItems and layerBranches' % (layerid, branchid))
- # dependency_layerBranch doesn't make sense to set or del
- class Recipe(LayerIndexItemObj_LayerBranch):
- def define_data(self, id,
- filename, filepath, pn, pv, layerbranch,
- summary="", description="", section="", license="",
- homepage="", bugtracker="", provides="", bbclassextend="",
- inherits="", blacklisted="", updated=None):
- self.id = id
- self.filename = filename
- self.filepath = filepath
- self.pn = pn
- self.pv = pv
- self.summary = summary
- self.description = description
- self.section = section
- self.license = license
- self.homepage = homepage
- self.bugtracker = bugtracker
- self.provides = provides
- self.bbclassextend = bbclassextend
- self.inherits = inherits
- self.updated = updated or datetime.datetime.today().isoformat()
- self.blacklisted = blacklisted
- if type(layerbranch) != type(LayerBranch):
- self.layerbranch_id = layerbranch
- else:
- self.layerbranch = layerbranch
- @property
- def fullpath(self):
- return os.path.join(self.filepath, self.filename)
- # Set would need to understand how to split it
- # del would we del both parts?
- @property
- def inherits(self):
- if 'inherits' not in self._data:
- # Older indexes may not have this, so emulate it
- if '-image-' in self.pn:
- return 'image'
- return self.__getattr__('inherits')
- @inherits.setter
- def inherits(self, value):
- return self._setattr('inherits', value, prop=False)
- @inherits.deleter
- def inherits(self):
- return self._delattr('inherits', prop=False)
- class Machine(LayerIndexItemObj_LayerBranch):
- def define_data(self, id,
- name, description, layerbranch,
- updated=None):
- self.id = id
- self.name = name
- self.description = description
- if type(layerbranch) != type(LayerBranch):
- self.layerbranch_id = layerbranch
- else:
- self.layerbranch = layerbranch
- self.updated = updated or datetime.datetime.today().isoformat()
- class Distro(LayerIndexItemObj_LayerBranch):
- def define_data(self, id,
- name, description, layerbranch,
- updated=None):
- self.id = id
- self.name = name
- self.description = description
- if type(layerbranch) != type(LayerBranch):
- self.layerbranch_id = layerbranch
- else:
- self.layerbranch = layerbranch
- self.updated = updated or datetime.datetime.today().isoformat()
- # When performing certain actions, we may need to sort the data.
- # This will allow us to keep it consistent from run to run.
- def sort_entry(item):
- newitem = item
- try:
- if type(newitem) == type(dict()):
- newitem = OrderedDict(sorted(newitem.items(), key=lambda t: t[0]))
- for index in newitem:
- newitem[index] = sort_entry(newitem[index])
- elif type(newitem) == type(list()):
- newitem.sort(key=lambda obj: obj['id'])
- for index, _ in enumerate(newitem):
- newitem[index] = sort_entry(newitem[index])
- except:
- logger.error('Sort failed for item %s' % type(item))
- pass
- return newitem
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