diff options
Diffstat (limited to 'tools/js/run_npm_binary.py')
-rw-r--r-- | tools/js/run_npm_binary.py | 115 |
1 files changed, 63 insertions, 52 deletions
diff --git a/tools/js/run_npm_binary.py b/tools/js/run_npm_binary.py index d769b98c3d..bdee5ab489 100644 --- a/tools/js/run_npm_binary.py +++ b/tools/js/run_npm_binary.py @@ -27,65 +27,76 @@ import tempfile def extract(path, outdir, bin): - if os.path.exists(os.path.join(outdir, bin)): - return # Another process finished extracting, ignore. - - # Use a temp directory adjacent to outdir so shutil.move can use the same - # device atomically. - tmpdir = tempfile.mkdtemp(dir=os.path.dirname(outdir)) - def cleanup(): - try: - shutil.rmtree(tmpdir) - except OSError: - pass # Too late now - atexit.register(cleanup) - - def extract_one(mem): - dest = os.path.join(outdir, mem.name) - tar.extract(mem, path=tmpdir) - try: - os.makedirs(os.path.dirname(dest)) - except OSError: - pass # Either exists, or will fail on the next line. - shutil.move(os.path.join(tmpdir, mem.name), dest) - - with tarfile.open(path, 'r:gz') as tar: - for mem in tar.getmembers(): - if mem.name != bin: - extract_one(mem) - # Extract bin last so other processes only short circuit when extraction is - # finished. - extract_one(tar.getmember(bin)) + if os.path.exists(os.path.join(outdir, bin)): + return # Another process finished extracting, ignore. + + # Use a temp directory adjacent to outdir so shutil.move can use the same + # device atomically. + tmpdir = tempfile.mkdtemp(dir=os.path.dirname(outdir)) + + def cleanup(): + try: + shutil.rmtree(tmpdir) + except OSError: + pass # Too late now + atexit.register(cleanup) + + def extract_one(mem): + dest = os.path.join(outdir, mem.name) + tar.extract(mem, path=tmpdir) + try: + os.makedirs(os.path.dirname(dest)) + except OSError: + pass # Either exists, or will fail on the next line. + shutil.move(os.path.join(tmpdir, mem.name), dest) + + with tarfile.open(path, 'r:gz') as tar: + for mem in tar.getmembers(): + if mem.name != bin: + extract_one(mem) + # Extract bin last so other processes only short circuit when + # extraction is finished. + if bin in tar.getnames(): + extract_one(tar.getmember(bin)) + def main(args): - path = args[0] - suffix = '.npm_binary.tgz' - tgz = os.path.basename(path) + path = args[0] + suffix = '.npm_binary.tgz' + tgz = os.path.basename(path) - parts = tgz[:-len(suffix)].split('@') + parts = tgz[:-len(suffix)].split('@') - if not tgz.endswith(suffix) or len(parts) != 2: - print('usage: %s <path/to/npm_binary>' % sys.argv[0], file=sys.stderr) - return 1 + if not tgz.endswith(suffix) or len(parts) != 2: + print('usage: %s <path/to/npm_binary>' % sys.argv[0], file=sys.stderr) + return 1 - name, _ = parts + name, _ = parts - # Avoid importing from gerrit because we don't want to depend on the right CWD. - sha1 = hashlib.sha1(open(path, 'rb').read()).hexdigest() - outdir = '%s-%s' % (path[:-len(suffix)], sha1) - rel_bin = os.path.join('package', 'bin', name) - bin = os.path.join(outdir, rel_bin) - if not os.path.isfile(bin): - extract(path, outdir, rel_bin) + # Avoid importing from gerrit because we don't want to depend on the right + # working directory + sha1 = hashlib.sha1(open(path, 'rb').read()).hexdigest() + outdir = '%s-%s' % (path[:-len(suffix)], sha1) + rel_bin = os.path.join('package', 'bin', name) + rel_lib_bin = os.path.join('package', 'lib', 'bin', name + '.js') + bin = os.path.join(outdir, rel_bin) + libbin = os.path.join(outdir, rel_lib_bin) + if not os.path.isfile(bin): + extract(path, outdir, rel_bin) - nodejs = spawn.find_executable('nodejs') - if nodejs: - # Debian installs Node.js as 'nodejs', due to a conflict with another - # package. - subprocess.check_call([nodejs, bin] + args[1:]) - else: - subprocess.check_call([bin] + args[1:]) + nodejs = spawn.find_executable('nodejs') + if nodejs: + # Debian installs Node.js as 'nodejs', due to a conflict with another + # package. + if not os.path.isfile(bin) and os.path.isfile(libbin): + subprocess.check_call([nodejs, libbin] + args[1:]) + else: + subprocess.check_call([nodejs, bin] + args[1:]) + elif not os.path.isfile(bin) and os.path.isfile(libbin): + subprocess.check_call([libbin] + args[1:]) + else: + subprocess.check_call([bin] + args[1:]) if __name__ == '__main__': - sys.exit(main(sys.argv[1:])) + sys.exit(main(sys.argv[1:])) |