feat: animated-QR transfer, Android reader, relative-locktime preservation, karen7 hermetic tests

This commit is contained in:
2026-09-14 09:11:50 -04:00
parent 9c4697c923
commit fb88d7540c
82 changed files with 11665 additions and 3116 deletions

161
android/scripts/build_apk.py Executable file
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#!/usr/bin/env python3
"""Build the BAL Reader Android APK via Gradle.
Re-synchronises the bundled codec modules into the app (so the APK always
carries the current ``bal/core`` sources), then invokes the Gradle wrapper to
produce the APK, and finally prints the artifact path, size and sha256.
Run from the repository root (any Python 3.8+, needs JDK 17 and an Android
SDK; the first build also needs a network connection for Gradle downloads):
python3 android/scripts/build_apk.py # debug APK
python3 android/scripts/build_apk.py --release # (unsigned) release APK
python3 android/scripts/build_apk.py --no-sync # skip codec re-sync
python3 android/scripts/build_apk.py --offline # gradle --offline
The APK is written under ``android/app/build/outputs/apk/``.
"""
import argparse
import hashlib
import os
import re
import subprocess
import sys
from pathlib import Path
REPO_ROOT = Path(__file__).resolve().parents[2]
ANDROID_DIR = REPO_ROOT / "android"
GRADLEW = ANDROID_DIR / "gradlew"
LOCAL_PROPERTIES = ANDROID_DIR / "local.properties"
WRAPPER_JAR = ANDROID_DIR / "gradle" / "wrapper" / "gradle-wrapper.jar"
VARIANTS = {
"debug": "assembleDebug",
"release": "assembleRelease",
}
APK_REL = {
"debug": Path("app") / "build" / "outputs" / "apk" / "debug" / "app-debug.apk",
"release": Path("app") / "build" / "outputs" / "apk" / "release" / "app-release-unsigned.apk",
}
SYNC_SCRIPT = ANDROID_DIR / "scripts" / "sync_codecs.py"
def sha256(data: bytes) -> str:
return hashlib.sha256(data).hexdigest()
def run(cmd, cwd, verbose: bool) -> int:
if verbose:
print("+", " ".join(str(c) for c in cmd))
result = subprocess.run(
cmd, cwd=str(cwd), capture_output=not verbose, text=True
)
if not verbose:
sys.stdout.write(result.stdout)
sys.stderr.write(result.stderr)
return result.returncode
def check_prerequisites() -> None:
if not (GRADLEW.exists() and WRAPPER_JAR.exists()):
sys.exit(
"error: gradle wrapper is incomplete ({} missing).\n"
"hint: run `gradle wrapper` in android/ once, or re-clone.".format(
WRAPPER_JAR if not WRAPPER_JAR.exists() else GRADLEW
)
)
java_ok = None
try:
out = subprocess.run(
["java", "-version"], capture_output=True, text=True, check=False
).stderr
match = re.search(r'version "(?:1\.)?(\d+)', out)
java_ok = int(match.group(1)) if match else None
except FileNotFoundError:
java_ok = None
if java_ok is None:
sys.exit("error: no JDK found on PATH (need JDK 17 for AGP 8.10).")
if java_ok < 17:
sys.exit("error: JDK {} on PATH, but the Android build needs JDK 17.".format(java_ok))
sdk = None
if LOCAL_PROPERTIES.exists():
for line in LOCAL_PROPERTIES.read_text().splitlines():
if line.startswith("sdk.dir="):
sdk = line.split("=", 1)[1]
sdk = sdk or os.environ.get("ANDROID_HOME") or os.environ.get("ANDROID_SDK_ROOT")
if not sdk or not Path(sdk).exists():
sys.exit(
"error: Android SDK not found.\n"
"hint: set sdk.dir in android/local.properties or ANDROID_HOME."
)
def main(argv=None) -> int:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"--release",
action="store_true",
help="build the (unsigned) release APK instead of the debug APK",
)
parser.add_argument(
"--no-sync",
action="store_true",
help="skip re-synchronising the bundled codec modules",
)
parser.add_argument(
"--offline",
action="store_true",
help="pass --offline to Gradle (no dependency downloads)",
)
parser.add_argument(
"--clean",
action="store_true",
help="run the Gradle clean task before building",
)
parser.add_argument(
"--verbose", action="store_true", help="stream Gradle output"
)
args = parser.parse_args(argv)
check_prerequisites()
variant = "release" if args.release else "debug"
if not args.no_sync:
sync = subprocess.run(
[sys.executable, str(SYNC_SCRIPT)], cwd=str(REPO_ROOT), check=False
)
if sync.returncode != 0:
print("error: codec re-sync failed; refusing to build a stale APK.")
return sync.returncode
tasks = []
if args.clean:
tasks.append("clean")
tasks.append(VARIANTS[variant])
cmd = [str(GRADLEW)]
if args.offline:
cmd.append("--offline")
cmd.extend(tasks)
rc = run(cmd, cwd=ANDROID_DIR, verbose=args.verbose)
if rc != 0:
print("error: Gradle {} failed (exit {}).".format(" ".join(tasks), rc))
return rc
apk = ANDROID_DIR / APK_REL[variant]
if not apk.exists():
print("error: expected APK not found at {}".format(apk))
return 1
data = apk.read_bytes()
print("APK : {}".format(apk.relative_to(REPO_ROOT)))
print("size : {} bytes".format(len(data)))
print("sha256: {}".format(sha256(data)))
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))

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#!/usr/bin/env python3
"""Synchronise the BAL QR codec modules into the Android app.
Copies ``bal/core/{__init__,animated_qr,qrtransfer}.py`` from the plugin repo
into ``android/app/src/main/python/bal/core/`` so Chaquopy ships exactly the
same code the desktop plugin runs. Afterwards the copies are imported
standalone and used for one quick encode/decode round trip.
Run from the repository root (any Python 3.8+, no dependencies):
python3 android/scripts/sync_codecs.py
python3 android/scripts/sync_codecs.py --check # no writes
Re-run whenever ``bal/core/animated_qr.py`` or ``bal/core/qrtransfer.py``
changes; the bundled copies are committed for deterministic builds.
"""
import argparse
import hashlib
import subprocess
import sys
from pathlib import Path
REPO_ROOT = Path(__file__).resolve().parents[2]
CORE_SRC = REPO_ROOT / "bal" / "core"
PYTHON_DEST = REPO_ROOT / "android" / "app" / "src" / "main" / "python"
BAL_CORE_DEST = PYTHON_DEST / "bal" / "core"
FILES = ("__init__.py", "animated_qr.py", "qrtransfer.py")
ROUNDTRIP = (
"import sys; "
"sys.path.insert(0, {dest!r}); "
"from bal.core.animated_qr import AnimatedQrSession, ur2_frames; "
"import bal.core.qrtransfer as qtf; "
"frames = ur2_frames(b'roundtrip-check', 400); "
"assert frames, 'no frames produced'; "
"s = AnimatedQrSession(); "
"assert all(s.add_part(f) == 'ok' for f in frames); "
"transfer, compressed = s.resolve(); "
"assert not compressed and transfer == 'roundtrip-check', 'roundtrip failed'; "
"print('standalone import + roundtrip OK'); "
)
def sha256(data: bytes) -> str:
return hashlib.sha256(data).hexdigest()
def check_up_to_date() -> int:
outdated = []
for name in FILES:
src = (CORE_SRC / name).read_bytes()
dst = BAL_CORE_DEST / name
if not dst.exists() or dst.read_bytes() != src:
outdated.append(name)
if outdated:
print("OUT OF DATE: {}".format(", ".join(outdated)))
print("run: python3 android/scripts/sync_codecs.py")
return 1
print("codec bundles are up to date")
return 0
def main(argv=None) -> int:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"--check",
action="store_true",
help="verify the bundled copies are up to date without writing",
)
args = parser.parse_args(argv)
if args.check:
return check_up_to_date()
BAL_CORE_DEST.mkdir(parents=True, exist_ok=True)
for name in FILES:
src = (CORE_SRC / name).read_bytes()
dst = BAL_CORE_DEST / name
dst.write_bytes(src)
print("synced {:16s} sha256={}".format(name, sha256(src)[:16]))
run = subprocess.run(
[sys.executable, "-c", ROUNDTRIP.format(dest=str(PYTHON_DEST))],
cwd=REPO_ROOT,
capture_output=True,
text=True,
)
if run.returncode != 0:
print(run.stdout, end="")
print(run.stderr, end="")
return 1
print(run.stdout.strip())
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))