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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
import hashlib
import json
import os
import mozpack.path as mozpath
from mozpack.files import FileFinder
GENERATED_SOURCE_EXTS = (".rs", ".c", ".h", ".cc", ".cpp")
def sha512_digest(data):
Generate the SHA-512 digest of `data` and return it as a hex string.
return hashlib.sha512(data).hexdigest()
def get_filename_with_digest(name, contents):
Return the filename that will be used to store the generated file
in the S3 bucket, consisting of the SHA-512 digest of `contents`
joined with the relative path `name`.
digest = sha512_digest(contents)
return mozpath.join(digest, name)
def get_generated_sources():
Yield tuples of `(objdir-rel-path, file)` for generated source files
in this objdir, where `file` is either an absolute path to the file or
a `mozpack.File` instance.
import buildconfig
# First, get the list of generated sources produced by the build backend.
gen_sources = os.path.join(buildconfig.topobjdir, "generated-sources.json")
with open(gen_sources, "r") as f:
data = json.load(f)
for f in data["sources"]:
# Exclute symverscript
if mozpath.basename(f) != "symverscript":
yield f, mozpath.join(buildconfig.topobjdir, f)
# Next, return all the files in $objdir/ipc/ipdl/_ipdlheaders.
base = "ipc/ipdl/_ipdlheaders"
finder = FileFinder(mozpath.join(buildconfig.topobjdir, base))
for p, f in finder.find("**/*.h"):
yield mozpath.join(base, p), f
# Next, return any source files that were generated into the Rust
# object directory.
rust_build_kind = "debug" if buildconfig.substs.get("MOZ_DEBUG_RUST") else "release"
base = mozpath.join(buildconfig.substs["RUST_TARGET"], rust_build_kind, "build")
finder = FileFinder(mozpath.join(buildconfig.topobjdir, base))
for p, f in finder:
yield mozpath.join(base, p), f
def get_s3_region_and_bucket():
Return a tuple of (region, bucket) giving the AWS region and S3
bucket to which generated sources should be uploaded.
region = "us-west-2"
level = os.environ.get("MOZ_SCM_LEVEL", "1")
bucket = {
"1": "gecko-generated-sources-l1",
"2": "gecko-generated-sources-l2",
"3": "gecko-generated-sources",
return (region, bucket)