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# Development tool - import command plugin
#
# Copyright (C) 2014-2017 Intel Corporation
#
# SPDX-License-Identifier: GPL-2.0-only
#
"""Devtool import plugin"""
import os
import tarfile
import logging
import collections
import json
import fnmatch
from devtool import standard, setup_tinfoil, replace_from_file, DevtoolError
from devtool import export
logger = logging.getLogger('devtool')
def devimport(args, config, basepath, workspace):
"""Entry point for the devtool 'import' subcommand"""
def get_pn(name):
""" Returns the filename of a workspace recipe/append"""
metadata = name.split('/')[-1]
fn, _ = os.path.splitext(metadata)
return fn
if not os.path.exists(args.file):
raise DevtoolError('Tar archive %s does not exist. Export your workspace using "devtool export"' % args.file)
with tarfile.open(args.file) as tar:
# Get exported metadata
export_workspace_path = export_workspace = None
try:
metadata = tar.getmember(export.metadata)
except KeyError as ke:
raise DevtoolError('The export metadata file created by "devtool export" was not found. "devtool import" can only be used to import tar archives created by "devtool export".')
tar.extract(metadata)
with open(metadata.name) as fdm:
export_workspace_path, export_workspace = json.load(fdm)
os.unlink(metadata.name)
members = tar.getmembers()
# Get appends and recipes from the exported archive, these
# will be needed to find out those appends without corresponding
# recipe pair
append_fns, recipe_fns = set(), set()
for member in members:
if member.name.startswith('appends'):
append_fns.add(get_pn(member.name))
elif member.name.startswith('recipes'):
recipe_fns.add(get_pn(member.name))
# Setup tinfoil, get required data and shutdown
tinfoil = setup_tinfoil(config_only=False, basepath=basepath)
try:
current_fns = [os.path.basename(recipe[0]) for recipe in tinfoil.cooker.recipecaches[''].pkg_fn.items()]
finally:
tinfoil.shutdown()
# Find those appends that do not have recipes in current metadata
non_importables = []
for fn in append_fns - recipe_fns:
# Check on current metadata (covering those layers indicated in bblayers.conf)
for current_fn in current_fns:
if fnmatch.fnmatch(current_fn, '*' + fn.replace('%', '') + '*'):
break
else:
non_importables.append(fn)
logger.warning('No recipe to append %s.bbapppend, skipping' % fn)
# Extract
imported = []
for member in members:
if member.name == export.metadata:
continue
for nonimp in non_importables:
pn = nonimp.split('_')[0]
# do not extract data from non-importable recipes or metadata
if member.name.startswith('appends/%s' % nonimp) or \
member.name.startswith('recipes/%s' % nonimp) or \
member.name.startswith('sources/%s' % pn):
break
else:
path = os.path.join(config.workspace_path, member.name)
if os.path.exists(path):
# by default, no file overwrite is done unless -o is given by the user
if args.overwrite:
try:
tar.extract(member, path=config.workspace_path)
except PermissionError as pe:
logger.warning(pe)
else:
logger.warning('File already present. Use --overwrite/-o to overwrite it: %s' % member.name)
continue
else:
tar.extract(member, path=config.workspace_path)
# Update EXTERNALSRC and the devtool md5 file
if member.name.startswith('appends'):
if export_workspace_path:
# appends created by 'devtool modify' just need to update the workspace
replace_from_file(path, export_workspace_path, config.workspace_path)
# appends created by 'devtool add' need replacement of exported source tree
pn = get_pn(member.name).split('_')[0]
exported_srctree = export_workspace[pn]['srctree']
if exported_srctree:
replace_from_file(path, exported_srctree, os.path.join(config.workspace_path, 'sources', pn))
standard._add_md5(config, pn, path)
imported.append(pn)
if imported:
logger.info('Imported recipes into workspace %s: %s' % (config.workspace_path, ', '.join(imported)))
else:
logger.warning('No recipes imported into the workspace')
return 0
def register_commands(subparsers, context):
"""Register devtool import subcommands"""
parser = subparsers.add_parser('import',
help='Import exported tar archive into workspace',
description='Import tar archive previously created by "devtool export" into workspace',
group='advanced')
parser.add_argument('file', metavar='FILE', help='Name of the tar archive to import')
parser.add_argument('--overwrite', '-o', action="store_true", help='Overwrite files when extracting')
parser.set_defaults(func=devimport)
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