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trezor-firmware/tools/build_solana_templates.py

83 lines
2.4 KiB
Python
Executable File

# !/usr/bin/env python3
import json
import os
import subprocess
import tempfile
from pathlib import Path
import click
from mako.template import Template
from munch import munchify, Munch
HERE = Path(__file__).parent
ROOT = HERE.parent.resolve()
TEMPLATES = (
ROOT / "core" / "src" / "apps" / "solana" / "transaction" / "instructions.py.mako",
ROOT / "tests" / "device_tests" / "solana" / "construct" / "instructions.py.mako",
)
PROGRAMS_JSON = ROOT / "common" / "defs" / "solana" / "programs.json"
def _silent_call(*args):
subprocess.check_call(args, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
def format(file: Path):
_silent_call("isort", file)
_silent_call("black", file)
_silent_call("flake8", file)
def render_single(template_path: Path, programs: Munch) -> str:
template = Template(filename=str(template_path.resolve()))
with tempfile.NamedTemporaryFile(mode="w", dir=template_path.parent) as f:
f.write(str(template.render(programs=programs)))
f.flush()
# after flushing the contents, on-disk file will be formatted...
format(Path(f.name))
# ...and we need to explicitly open it again to get the updated contents,
# otherwise we get cached results?
with open(f.name, "r") as new_f:
return new_f.read()
@click.command()
@click.option(
"-c", "--check", is_flag=True, help="Check if the templates are up to date"
)
def build_templates(check: bool):
programs = munchify(json.loads(PROGRAMS_JSON.read_text()))
prog_stat = PROGRAMS_JSON.stat()
all_ok = True
for template_path in TEMPLATES:
assert template_path.suffix == ".mako"
dest_path = template_path.with_suffix("")
result = render_single(template_path, programs)
if check:
if result != dest_path.read_text():
print(f"{dest_path} is out of date")
all_ok = False
else:
tmpl_stat = template_path.stat()
dest_path.write_text(result)
os.utime(
dest_path,
ns=(
max(tmpl_stat.st_atime_ns, prog_stat.st_atime_ns),
max(tmpl_stat.st_mtime_ns, prog_stat.st_mtime_ns),
),
)
if not all_ok:
raise click.ClickException("Some templates are out of date")
if __name__ == "__main__":
build_templates()