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import layerindexlib
import argparse
import logging
import os
import subprocess
from bblayers.action import ActionPlugin
logger = logging.getLogger('bitbake-layers')
def plugin_init(plugins):
return LayerIndexPlugin()
class LayerIndexPlugin(ActionPlugin):
"""Subcommands for interacting with the layer index.
This class inherits ActionPlugin to get do_add_layer.
"""
def get_fetch_layer(self, fetchdir, url, subdir, fetch_layer):
layername = self.get_layer_name(url)
if os.path.splitext(layername)[1] == '.git':
layername = os.path.splitext(layername)[0]
repodir = os.path.join(fetchdir, layername)
layerdir = os.path.join(repodir, subdir)
if not os.path.exists(repodir):
if fetch_layer:
result = subprocess.call(['git', 'clone', url, repodir])
if result:
logger.error("Failed to download %s" % url)
return None, None, None
else:
return subdir, layername, layerdir
else:
logger.plain("Repository %s needs to be fetched" % url)
return subdir, layername, layerdir
elif os.path.exists(layerdir):
return subdir, layername, layerdir
else:
logger.error("%s is not in %s" % (url, subdir))
return None, None, None
def do_layerindex_fetch(self, args):
"""Fetches a layer from a layer index along with its dependent layers, and adds them to conf/bblayers.conf.
"""
def _construct_url(baseurls, branches):
urls = []
for baseurl in baseurls:
if baseurl[-1] != '/':
baseurl += '/'
if not baseurl.startswith('cooker'):
baseurl += "api/"
if branches:
baseurl += ";branch=%s" % ','.join(branches)
urls.append(baseurl)
return urls
# Set the default...
if args.branch:
branches = [args.branch]
else:
branches = (self.tinfoil.config_data.getVar('LAYERSERIES_CORENAMES') or 'master').split()
logger.debug(1, 'Trying branches: %s' % branches)
ignore_layers = []
if args.ignore:
ignore_layers.extend(args.ignore.split(','))
# Load the cooker DB
cookerIndex = layerindexlib.LayerIndex(self.tinfoil.config_data)
cookerIndex.load_layerindex('cooker://', load='layerDependencies')
# Fast path, check if we already have what has been requested!
(dependencies, invalidnames) = cookerIndex.find_dependencies(names=args.layername, ignores=ignore_layers)
if not args.show_only and not invalidnames:
logger.plain("You already have the requested layer(s): %s" % args.layername)
return 0
# The information to show is already in the cookerIndex
if invalidnames:
# General URL to use to access the layer index
# While there is ONE right now, we're expect users could enter several
apiurl = self.tinfoil.config_data.getVar('BBLAYERS_LAYERINDEX_URL').split()
if not apiurl:
logger.error("Cannot get BBLAYERS_LAYERINDEX_URL")
return 1
remoteIndex = layerindexlib.LayerIndex(self.tinfoil.config_data)
for remoteurl in _construct_url(apiurl, branches):
logger.plain("Loading %s..." % remoteurl)
remoteIndex.load_layerindex(remoteurl)
if remoteIndex.is_empty():
logger.error("Remote layer index %s is empty for branches %s" % (apiurl, branches))
return 1
lIndex = cookerIndex + remoteIndex
(dependencies, invalidnames) = lIndex.find_dependencies(names=args.layername, ignores=ignore_layers)
if invalidnames:
for invaluename in invalidnames:
logger.error('Layer "%s" not found in layer index' % invaluename)
return 1
logger.plain("%s %s %s" % ("Layer".ljust(49), "Git repository (branch)".ljust(54), "Subdirectory"))
logger.plain('=' * 125)
for deplayerbranch in dependencies:
layerBranch = dependencies[deplayerbranch][0]
# TODO: Determine display behavior
# This is the local content, uncomment to hide local
# layers from the display.
#if layerBranch.index.config['TYPE'] == 'cooker':
# continue
layerDeps = dependencies[deplayerbranch][1:]
requiredby = []
recommendedby = []
for dep in layerDeps:
if dep.required:
requiredby.append(dep.layer.name)
else:
recommendedby.append(dep.layer.name)
logger.plain('%s %s %s' % (("%s:%s:%s" %
(layerBranch.index.config['DESCRIPTION'],
layerBranch.branch.name,
layerBranch.layer.name)).ljust(50),
("%s (%s)" % (layerBranch.layer.vcs_url,
layerBranch.actual_branch)).ljust(55),
layerBranch.vcs_subdir
))
if requiredby:
logger.plain(' required by: %s' % ' '.join(requiredby))
if recommendedby:
logger.plain(' recommended by: %s' % ' '.join(recommendedby))
if dependencies:
fetchdir = self.tinfoil.config_data.getVar('BBLAYERS_FETCH_DIR')
if not fetchdir:
logger.error("Cannot get BBLAYERS_FETCH_DIR")
return 1
if not os.path.exists(fetchdir):
os.makedirs(fetchdir)
addlayers = []
for deplayerbranch in dependencies:
layerBranch = dependencies[deplayerbranch][0]
if layerBranch.index.config['TYPE'] == 'cooker':
# Anything loaded via cooker is already local, skip it
continue
subdir, name, layerdir = self.get_fetch_layer(fetchdir,
layerBranch.layer.vcs_url,
layerBranch.vcs_subdir,
not args.show_only)
if not name:
# Error already shown
return 1
addlayers.append((subdir, name, layerdir))
if not args.show_only:
localargs = argparse.Namespace()
localargs.layerdir = []
localargs.force = args.force
for subdir, name, layerdir in addlayers:
if os.path.exists(layerdir):
if subdir:
logger.plain("Adding layer \"%s\" (%s) to conf/bblayers.conf" % (subdir, layerdir))
else:
logger.plain("Adding layer \"%s\" (%s) to conf/bblayers.conf" % (name, layerdir))
localargs.layerdir.append(layerdir)
else:
break
if localargs.layerdir:
self.do_add_layer(localargs)
def do_layerindex_show_depends(self, args):
"""Find layer dependencies from layer index.
"""
args.show_only = True
args.ignore = []
self.do_layerindex_fetch(args)
def register_commands(self, sp):
parser_layerindex_fetch = self.add_command(sp, 'layerindex-fetch', self.do_layerindex_fetch, parserecipes=False)
parser_layerindex_fetch.add_argument('-n', '--show-only', help='show dependencies and do nothing else', action='store_true')
parser_layerindex_fetch.add_argument('-b', '--branch', help='branch name to fetch')
parser_layerindex_fetch.add_argument('-i', '--ignore', help='assume the specified layers do not need to be fetched/added (separate multiple layers with commas, no spaces)', metavar='LAYER')
parser_layerindex_fetch.add_argument('layername', nargs='+', help='layer to fetch')
parser_layerindex_show_depends = self.add_command(sp, 'layerindex-show-depends', self.do_layerindex_show_depends, parserecipes=False)
parser_layerindex_show_depends.add_argument('-b', '--branch', help='branch name to fetch')
parser_layerindex_show_depends.add_argument('layername', nargs='+', help='layer to query')
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