Files
langkit/manage.py
2020-09-08 16:57:26 +02:00

108 lines
3.1 KiB
Python
Executable File

#! /usr/bin/env python
from argparse import ArgumentParser, Namespace, _SubParsersAction
from os import path as P
from pathlib import PurePath
import shutil
import subprocess
import sys
from typing import Callable, List
LANGKIT_ROOT = PurePath(P.dirname(P.realpath(__file__)))
LKT_LIB_ROOT = LANGKIT_ROOT / "contrib" / "lkt"
PYTHON_LIB_ROOT = LANGKIT_ROOT / "contrib" / "python"
def create_subparser(
subparsers: _SubParsersAction,
fn: Callable[..., None],
accept_unknown_args: bool = False
) -> ArgumentParser:
"""
Create a subparser with given ``fn`` as func. Extract doc and name from
the function.
"""
subparser = subparsers.add_parser(name=fn.__name__, help=fn.__doc__,
add_help=not accept_unknown_args)
def wrapper(args: Namespace, rest: str):
if len(rest) > 0:
print("ERROR - unhandled command line arguments: {}".format(
", ".join(rest)
))
sys.exit(1)
fn(args)
subparser.set_defaults(func=fn if accept_unknown_args else wrapper)
return subparser
def setenv(args: Namespace) -> None:
"""
Setenv for langkit.
"""
for cwd in (LKT_LIB_ROOT, PYTHON_LIB_ROOT):
subprocess.check_call(
[sys.executable, "./manage.py", "setenv"],
cwd=cwd
)
def make(args: Namespace) -> None:
"""
Make langkit.
"""
# We need to clean the build space of the langkit libraries we depend
# upon before we run langkit again. Else, if we installed a newer version
# of GNAT since those libraries were built, what will happen is that:
#
# 1. Langkit will try loading them.
# 2. This will cause an uncaught exception trying to load some dynamic
# library from the compiler, preventing langkit to run.
# 3. Langkit cannot be used to recompile libpythonlang and liblktlang to
# newer versions.
shutil.rmtree(LKT_LIB_ROOT / 'build', ignore_errors=True)
shutil.rmtree(PYTHON_LIB_ROOT / 'build', ignore_errors=True)
m1 = subprocess.Popen(
[sys.executable, "./manage.py", "-Dgnu-full", "make", "-P",
"--disable-warning", "undocumented-nodes"],
cwd=PYTHON_LIB_ROOT
)
m2 = subprocess.Popen(
[sys.executable, "./manage.py", "-Dgnu-full", "make", "-P"],
cwd=LKT_LIB_ROOT
)
m1.wait()
m2.wait()
assert m1.returncode == 0
assert m2.returncode == 0
def test(args: Namespace, remaining_args: List[str]) -> None:
"""
Run langkit's testsuite.
"""
subprocess.check_call(
[sys.executable, str(LANGKIT_ROOT / 'testsuite' / 'testsuite.py'),
'-E']
+ remaining_args
)
if __name__ == '__main__':
parser = ArgumentParser(description="Global manage script for langkit")
subparsers = parser.add_subparsers()
create_subparser(subparsers, make)
create_subparser(subparsers, setenv)
create_subparser(subparsers, test, accept_unknown_args=True)
parser.set_defaults(func=lambda _, _1: None)
args, unknown_args = parser.parse_known_args()
args.func(args, unknown_args)