Initial HyperDRM 0.6.0: webOS ambient light app and native service

build_package.py

@@ -0,0 +1,25 @@
+"""Package own app and executable; no Signify or LG binaries are included."""
+import io, json, struct, tarfile, zlib
+from pathlib import Path
+ROOT=Path(__file__).resolve().parent
+ID='org.webosbrew.histogramhyperion'
+VERSION=json.loads((ROOT/'app/appinfo.json').read_text())['version']
+def tar_bytes(entries):
+    stream=io.BytesIO()
+    with tarfile.open(fileobj=stream,mode='w:gz') as tar:
+        for name,body,mode in entries:
+            info=tarfile.TarInfo(name);info.size=len(body);info.mode=mode;info.mtime=0
+            tar.addfile(info,io.BytesIO(body))
+    return stream.getvalue()
+entries=[]
+for directory,target in [('app','applications/'+ID),('service','services/'+ID+'.service'),('package','packages/'+ID)]:
+    for path in sorted((ROOT/directory).iterdir()):
+        if path.is_file() and path.name not in {"led-mapping.txt", "led-interpolation.txt"}:entries.append(('usr/palm/'+target+'/'+path.name,path.read_bytes(),0o755 if path.name=='histogram-service' else 0o644))
+control=f'Package: {ID}\nVersion: {VERSION}\nArchitecture: arm\nMaintainer: Local development\nDescription: HyperDRM ambient light for webOS and Hyperion\nSection: misc\nPriority: optional\n\n'.encode()
+members=[('debian-binary',b'2.0\n'),('control.tar.gz',tar_bytes([('control',control,0o644)])),('data.tar.gz',tar_bytes(entries))]
+out=bytearray(b'!<arch>\n')
+for name,body in members:
+    out.extend(f'{name+"/":<16}{0:<12}{0:<6}{0:<6}{"100644":<8}{len(body):<10}`\n'.encode());out.extend(body)
+    if len(body)%2:out.extend(b'\n')
+destination=ROOT/('HyperDRM_'+VERSION+'_arm.ipk');destination.write_bytes(out)
+print(destination)