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#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
##
## Purpose:
## This class is used to update the list of crates in SRC_URI
## by reading Cargo.lock in the source tree.
##
## See meta/recipes-devtools/python/python3-bcrypt_*.bb for an example
##
## To perform the update: bitbake -c update_crates recipe-name
addtask do_update_crates after do_patch
do_update_crates[depends] = "python3-native:do_populate_sysroot"
do_update_crates[nostamp] = "1"
do_update_crates[doc] = "Update the recipe by reading Cargo.lock and write in ${THISDIR}/${BPN}-crates.inc"
# The directory where to search for Cargo.lock files
CARGO_LOCK_SRC_DIR ??= "${S}"
do_update_crates() {
TARGET_FILE="${THISDIR}/${BPN}-crates.inc"
nativepython3 - <<EOF
def get_crates(f):
import tomllib
c_list = '# from %s' % os.path.relpath(f, '${CARGO_LOCK_SRC_DIR}')
c_list += '\nSRC_URI += " \\\'
crates = tomllib.load(open(f, 'rb'))
# Build a list with crates info that have crates.io in the source
crates_candidates = list(filter(lambda c: 'crates.io' in c.get('source', ''), crates['package']))
if not crates_candidates:
raise ValueError("Unable to find any candidate crates that use crates.io")
# Update crates uri and their checksum, to avoid name clashing on the checksum
# we need to rename crates with name and version to have a unique key
cksum_list = ''
for c in crates_candidates:
rename = "%s-%s" % (c['name'], c['version'])
c_list += '\n crate://crates.io/%s/%s \\\' % (c['name'], c['version'])
if 'checksum' in c:
cksum_list += '\nSRC_URI[%s.sha256sum] = "%s"' % (rename, c['checksum'])
c_list += '\n"\n'
c_list += cksum_list
c_list += '\n'
return c_list
import os
crates = "# Autogenerated with 'bitbake -c update_crates ${PN}'\n\n"
found = False
for root, dirs, files in os.walk('${CARGO_LOCK_SRC_DIR}'):
# ignore git and patches directories
if root.startswith(os.path.join('${CARGO_LOCK_SRC_DIR}', '.pc')):
continue
if root.startswith(os.path.join('${CARGO_LOCK_SRC_DIR}', '.git')):
continue
for file in files:
if file == 'Cargo.lock':
try:
cargo_lock_path = os.path.join(root, file)
crates += get_crates(os.path.join(root, file))
except Exception as e:
raise ValueError("Cannot parse '%s'" % cargo_lock_path) from e
else:
found = True
if not found:
raise ValueError("Unable to find any Cargo.lock in ${CARGO_LOCK_SRC_DIR}")
open("${TARGET_FILE}", 'w').write(crates)
EOF
bbnote "Successfully update crates inside '${TARGET_FILE}'"
}
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