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trezor-firmware/core/tools/build_icons.py
2020-08-25 11:30:33 +02:00

92 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python3
from pathlib import Path
import sys
import click
from PIL import Image
from trezorlib import toif
HERE = Path(__file__).parent.resolve()
ROOT = HERE.parent.parent
ICON_SIZE = (64, 64)
DESTINATION = ROOT / "core" / "src" / "apps" / "webauthn" / "res"
EXCLUDE = {"icon_webauthn"}
# insert ../../common/tools to sys.path, so that we can import coin_info
# XXX this is hacky, but we want to keep coin_info in the common/ subdir for the purpose
# of exporting it to e.g. Connect
# And making a special python package out of it seems needless
COMMON_TOOLS_PATH = ROOT / "common" / "tools"
sys.path.insert(0, str(COMMON_TOOLS_PATH))
import coin_info
@click.command()
@click.option("-c", "--check", is_flag=True, help="Do not write, only check.")
@click.option("-r", "--remove", is_flag=True, help="Remove unrecognized files.")
def build_icons(check, remove):
"""Build FIDO app icons in the source tree."""
checks_ok = True
apps = coin_info.fido_info()
total_size = 0
for app in apps:
if app["icon"] is None:
if not app.get("no_icon"):
raise click.ClickException(f"Icon not found for: {app['key']}")
else:
continue
im = Image.open(app["icon"])
resized = im.resize(ICON_SIZE, Image.BOX)
toi = toif.from_image(resized)
dest_path = DESTINATION / f"icon_{app['key']}.toif"
total_size += len(toi.to_bytes())
if not check:
toi.save(dest_path)
else:
if not dest_path.exists():
print(f"Missing TOIF: {dest_path}")
checks_ok = False
continue
data = dest_path.read_bytes()
if data != toi.to_bytes():
print(f"Icon different from source: {dest_path}")
checks_ok = False
print(f"Total icon size: {total_size} bytes")
keys = EXCLUDE | {"icon_" + app["key"] for app in apps}
unrecognized_files = False
for icon_file in DESTINATION.glob("*.toif"):
name = icon_file.stem
if name not in keys:
unrecognized_files = True
if remove:
print(f"Removing unrecognized file: {icon_file}")
icon_file.unlink()
else:
print(f"Unrecognized file: {icon_file}")
checks_ok = False
if not remove and unrecognized_files:
raise click.ClickException(
"Unrecognized files found in icon directory.\n"
"Use 'build_icons.py -r' to remove them automatically."
)
if not checks_ok:
raise click.ClickException("Some checks have failed.")
if __name__ == "__main__":
build_icons()