prplos/scripts/gen_config.py
Roman Shcherbakov 098a0f1159 scripts: gen_config: new features to remove package and include profiles
Add processing two new sections in gen_config.py:
* include: add the possibility to include one profile into another;
* packages_remove: add separate section to remove some packages.

References: PCF-1849, FEAT-84

Signed-off-by: Roman Shcherbakov <r.shcherbakov@inango-systems.com>
2025-10-06 11:56:09 +03:00

263 lines
8.2 KiB
Python
Executable File

#!/usr/bin/env python3
import yaml
from pathlib import Path
from shutil import rmtree
import io
import re
import sys
from subprocess import run
from os import getenv
sys.stdout = io.TextIOWrapper(open(sys.stdout.fileno(), "wb", 0), write_through=True)
profile_folders = getenv("GENCONFIG_PROFILE_DIRS", "./profiles")
def run_cmd(cmd: list):
if getenv("GENCONFIG_VERBOSE"):
print('run_cmd: "' + " ".join(cmd) + '"')
return run(cmd)
def die(*messages: str) -> None:
"""Prints each message on a new line and exits the program."""
for message in messages:
print(message)
quit(1)
def usage(code: int = 0):
"""Print script usage
Args:
code (int): exit code
"""
print(
f"""Usage: {sys.argv[0]} <profile> [options...]
clean Cleanup feeds related parts in the tree and exit.
list List available profiles"""
)
quit(code)
def load_yaml(fname: str, profile: dict):
# Allow profile overriding by searching in reverse order
for folder in profile_folders.split(':')[::-1]:
profile_file = (Path(folder) / fname).with_suffix(".yml")
if not profile_file.is_file():
continue
new = yaml.safe_load(profile_file.read_text())
for n in new:
if n in {"target", "subtarget", "external_target"}:
if profile.get(n):
die(f"Duplicate tag found {n}")
profile.update({n: new.get(n)})
elif n in {"description"}:
profile["description"].append(new.get(n))
elif n in {"packages"}:
profile["packages"].extend(new.get(n))
elif n in {"profiles"}:
profile["profiles"].extend(new.get(n))
elif n in {"diffconfig"}:
profile["diffconfig"] += new.get(n)
elif n in {"feeds"}:
for f in new.get(n):
if f.get("name", "") == "" or f.get("uri", "") == "":
die(f"Found bad feed {f}")
profile["feeds"][f.get("name")] = f
elif n in {"additional_packages"}:
for f in new.get(n):
if not f.get("feed") or not f.get("packages"):
die(f"Found bad additional_packages {f}")
profile["additional_packages"].extend(new.get(n))
elif n in {"include"}:
profile["include"].extend(new.get(n))
elif n in {"packages_remove"}:
profile["packages_remove"].extend(new.get(n))
return profile
if not profile_file.is_file():
die(f"Profile {fname} not found")
def extract_sha1_from_revision(revision: str) -> str:
"""
Validates the given revision string and extracts the SHA-1 hash.
A valid revision can be:
1. A full 40-character Git SHA-1 hash.
2. A human readable reference like Git tag followed by '@' and a full 40-character Git SHA-1 hash.
:param revision: The revision string to validate and extract the SHA-1 hash from.
:return: The extracted SHA-1 hash if valid, otherwise None.
"""
full_sha1_pattern = r"^[a-f0-9]{40}$"
tag_full_sha1_pattern = r"^[^@]+@([a-f0-9]{40})$"
if re.match(full_sha1_pattern, revision):
return revision
elif re.match(tag_full_sha1_pattern, revision):
return re.match(tag_full_sha1_pattern, revision).group(1)
else:
return None
def handle_feed_revision(profile_feed: dict, feeds: list):
method = profile_feed.get("method", "src-git")
f = f'{method},{profile_feed["name"]},{profile_feed["uri"]}'
if method.startswith('src-git'):
revision = profile_feed.get("revision")
if not revision:
die(f"Please specify `revision` for the following feed: {profile_feed}")
sha1 = extract_sha1_from_revision(revision)
if not sha1:
die(
f"Invalid feed revision {revision} in {profile_feed} feed, valid `revision` is:",
" 1. A full 40-character Git SHA-1 hash.",
" 2. A human readable reference like Git tag followed by '@' and a full 40-character Git SHA-1 hash.",
)
f += f'^{sha1}'
feeds.append(f)
if "list" in sys.argv:
for folder in profile_folders.split(':')[::-1]:
print(f"Profiles in {folder}")
print("\n".join(map(lambda p: str(p.stem), Path(folder).glob("*.yml"))))
quit(0)
if "help" in sys.argv:
usage()
if len(sys.argv) < 2:
usage(1)
rmtree("./tmp", ignore_errors=True)
rmtree("./package/feeds/", ignore_errors=True)
rmtree("./feeds", ignore_errors=True)
rmtree("./tmp", ignore_errors=True)
if Path("./feeds.conf").is_file():
Path("./feeds.conf").unlink()
if Path("./.config").is_file():
Path("./.config").unlink()
if "clean" in sys.argv:
print("Tree is now clean")
quit(0)
profile = {
"additional_packages": [],
"description": [],
"diffconfig": "",
"feeds": {},
"packages": [],
"profiles": [],
"include": [],
"packages_remove": [],
}
for p in sys.argv[1:]:
profile = load_yaml(p, profile)
for p in profile.get("include", []):
profile = load_yaml(p, profile)
if getenv("GENCONFIG_VERBOSE"):
print(yaml.dump(profile))
for d in profile.get("description"):
print(d)
feeds_conf = Path("feeds.conf")
if feeds_conf.is_file():
feeds_conf.unlink()
feeds = []
for p in profile.get("feeds", []):
try:
profile_feeds = profile["feeds"].get(p)
handle_feed_revision(profile_feeds, feeds)
except:
print(f"Badly configured feed: {profile_feeds}")
quit(1)
with open("feeds.conf.default", "r") as default_feeds:
for line in default_feeds:
feed = line.rstrip()
print(f"Adding default feed '{feed}'")
feeds.append(feed.replace(" ", ","))
if run_cmd(["./scripts/feeds", "setup", *feeds]).returncode:
die(f"Error setting up feeds")
if run_cmd(["./scripts/feeds", "update"]).returncode:
die(f"Error updating feeds")
for p in profile.get("feeds", []):
f = profile["feeds"].get(p)
if run_cmd(
["./scripts/feeds", "install", "-a", "-f", "-p", f.get("name")]
).returncode:
die(f"Error installing {feed}")
for ap in profile.get("additional_packages"):
feed = ap["feed"]
# "install -f -p feed package" will override only base package and would not override package from other feed without uninstall
run_cmd(["./scripts/feeds", "uninstall", *ap["packages"]])
if run_cmd(
["./scripts/feeds", "install", "-f", "-p", feed, *ap["packages"]]
).returncode:
packages_install = " ".join(ap["packages"])
die(f"Error installing additional packages {packages_install} from {feed} feed")
if profile.get("external_target", False):
if run_cmd(["./scripts/feeds", "install", "-f", profile["target"]]).returncode:
die(f"Error installing external target {profile['target']}")
config_output = f"""CONFIG_TARGET_{profile["target"]}=y
CONFIG_TARGET_{profile["target"]}_{profile["subtarget"]}=y\n"""
profiles = profile.get("profiles")
if len(profiles) > 1:
config_output += f"CONFIG_TARGET_MULTI_PROFILE=y\n"
for p in profiles:
config_output += f"""CONFIG_TARGET_DEVICE_{profile["target"]}_{profile["subtarget"]}_DEVICE_{p}=y\n"""
else:
config_output += f"""CONFIG_TARGET_{profile["target"]}_{profile["subtarget"]}_DEVICE_{profiles[0]}=y\n"""
for package in profile.get("packages", []):
print(f"Add package to .config: {package}")
config_output += f"CONFIG_PACKAGE_{package}=y\n"
for ap in profile.get("additional_packages"):
for package in ap["packages"]:
print(f"Add additional package to .config: {package}")
config_output += f"CONFIG_PACKAGE_{package}=y\n"
config_output += f"{profile.get('diffconfig', '')}"
for package in profile.get("packages_remove", []):
print(f"Remove package from .config: {package}")
config_output += f"# CONFIG_PACKAGE_{package} is not set\n"
Path(".config").write_text(config_output)
print("Configuration written to .config")
if getenv("GENCONFIG_VERBOSE"):
print(config_output)
rmtree("./tmp", ignore_errors=True)
print("Running make defconfig")
if run_cmd(["make", "defconfig"]).returncode:
die(f"Error running make defconfig")