BentonEdmondson/knock
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subprocesses are handled robustly and errors are detailed

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benton 2021-07-27 19:46:09 -05:00
parent d5c4c63ba8
commit 29fbbbff0d
1 changed files with 14 additions and 6 deletions
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20
knock
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@ -15,10 +15,10 @@ args.epub_file = args.acsm_file.with_suffix('.epub')
args.adobe_dir = Path('~/.config/knock').expanduser() args.adobe_dir = Path('~/.config/knock').expanduser()
if not args.acsm_file.exists(): if not args.acsm_file.exists():
sys.exit(f'{str(args.acsm_file)} does not exist.') sys.exit(f'ERROR: {str(args.acsm_file)} does not exist.')
if args.epub_file.exists(): if args.epub_file.exists():
sys.exit(f'{str(args.epub_file)} already exists.') sys.exit(f'ERROR: {str(args.epub_file)} already exists.')
if not args.adobe_dir.exists(): if not args.adobe_dir.exists():
print('This device is not registered with Adobe.') print('This device is not registered with Adobe.')
@ -35,14 +35,18 @@ if not args.adobe_dir.exists():
print('Downloading the EPUB file from Adobe...') print('Downloading the EPUB file from Adobe...')
subprocess.run([ result = subprocess.run([
'adept-download', 'adept-download',
'-d', str(args.adobe_dir.joinpath('device.xml')), '-d', str(args.adobe_dir.joinpath('device.xml')),
'-a', str(args.adobe_dir.joinpath('activation.xml')), '-a', str(args.adobe_dir.joinpath('activation.xml')),
'-k', str(args.adobe_dir.joinpath('devicesalt')), '-k', str(args.adobe_dir.joinpath('devicesalt')),
'-o', str(args.drm_file), '-o', str(args.drm_file),
'-f', str(args.acsm_file) '-f', str(args.acsm_file)
], check=True) ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode != 0 or not args.drm_file.exists():
print('ERROR: ', file=sys.stderr)
sys.exit(result)
drm_file_type = magic.from_file(str(args.drm_file), mime=True) drm_file_type = magic.from_file(str(args.drm_file), mime=True)
if drm_file_type != 'application/epub+zip': if drm_file_type != 'application/epub+zip':
@ -50,12 +54,16 @@ if drm_file_type != 'application/epub+zip':
print('Decrypting the file...') print('Decrypting the file...')
subprocess.run([ result = subprocess.run([
'inept-epub', 'inept-epub',
str(args.adobe_dir.joinpath('activation.xml')), str(args.adobe_dir.joinpath('activation.xml')),
str(args.drm_file), str(args.drm_file),
str(args.epub_file) str(args.epub_file)
], check=True) ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode != 0 or not args.epub_file.exists():
print('ERROR: ', file=sys.stderr)
sys.exit(result)
args.drm_file.unlink() args.drm_file.unlink()