diff options
Diffstat (limited to 'tools/js/download_bower.py')
| -rwxr-xr-x | tools/js/download_bower.py | 168 |
1 files changed, 87 insertions, 81 deletions
diff --git a/tools/js/download_bower.py b/tools/js/download_bower.py index 3db39d5bfa..c9a5df69c7 100755 --- a/tools/js/download_bower.py +++ b/tools/js/download_bower.py @@ -30,99 +30,105 @@ CACHE_DIR = os.path.expanduser(os.path.join( def bower_cmd(bower, *args): - cmd = bower.split(' ') - cmd.extend(args) - return cmd + cmd = bower.split(' ') + cmd.extend(args) + return cmd def bower_info(bower, name, package, version): - cmd = bower_cmd(bower, '-l=error', '-j', - 'info', '%s#%s' % (package, version)) - try: - p = subprocess.Popen(cmd , stdout=subprocess.PIPE, stderr=subprocess.PIPE) - except: - sys.stderr.write("error executing: %s\n" % ' '.join(cmd)) - raise - out, err = p.communicate() - if p.returncode: - sys.stderr.write(err) - raise OSError('Command failed: %s' % ' '.join(cmd)) - - try: - info = json.loads(out) - except ValueError: - raise ValueError('invalid JSON from %s:\n%s' % (" ".join(cmd), out)) - info_name = info.get('name') - if info_name != name: - raise ValueError('expected package name %s, got: %s' % (name, info_name)) - return info + cmd = bower_cmd(bower, '-l=error', '-j', + 'info', '%s#%s' % (package, version)) + try: + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + except: + sys.stderr.write("error executing: %s\n" % ' '.join(cmd)) + raise + out, err = p.communicate() + if p.returncode: + sys.stderr.write(err) + raise OSError('Command failed: %s' % ' '.join(cmd)) + + try: + info = json.loads(out) + except ValueError: + raise ValueError('invalid JSON from %s:\n%s' % (" ".join(cmd), out)) + info_name = info.get('name') + if info_name != name: + raise ValueError( + 'expected package name %s, got: %s' % (name, info_name)) + return info def ignore_deps(info): - # Tell bower to ignore dependencies so we just download this component. This - # is just an optimization, since we only pick out the component we need, but - # it's important when downloading sizable dependency trees. - # - # As of 1.6.5 I don't think ignoredDependencies can be specified on the - # command line with --config, so we have to create .bowerrc. - deps = info.get('dependencies') - if deps: - with open(os.path.join('.bowerrc'), 'w') as f: - json.dump({'ignoredDependencies': list(deps.keys())}, f) + # Tell bower to ignore dependencies so we just download this component. + # This is just an optimization, since we only pick out the component we + # need, but it's important when downloading sizable dependency trees. + # + # As of 1.6.5 I don't think ignoredDependencies can be specified on the + # command line with --config, so we have to create .bowerrc. + deps = info.get('dependencies') + if deps: + with open(os.path.join('.bowerrc'), 'w') as f: + json.dump({'ignoredDependencies': list(deps.keys())}, f) def cache_entry(name, package, version, sha1): - if not sha1: - sha1 = hashlib.sha1('%s#%s' % (package, version)).hexdigest() - return os.path.join(CACHE_DIR, '%s-%s.zip-%s' % (name, version, sha1)) + if not sha1: + sha1 = hashlib.sha1('%s#%s' % (package, version)).hexdigest() + return os.path.join(CACHE_DIR, '%s-%s.zip-%s' % (name, version, sha1)) def main(args): - opts = optparse.OptionParser() - opts.add_option('-n', help='short name of component') - opts.add_option('-b', help='bower command') - opts.add_option('-p', help='full package name of component') - opts.add_option('-v', help='version number') - opts.add_option('-s', help='expected content sha1') - opts.add_option('-o', help='output file location') - opts, args_ = opts.parse_args(args) - - assert opts.p - assert opts.v - assert opts.n - - cwd = os.getcwd() - outzip = os.path.join(cwd, opts.o) - cached = cache_entry(opts.n, opts.p, opts.v, opts.s) - - if not os.path.exists(cached): - info = bower_info(opts.b, opts.n, opts.p, opts.v) - ignore_deps(info) - subprocess.check_call( - bower_cmd(opts.b, '--quiet', 'install', '%s#%s' % (opts.p, opts.v))) - bc = os.path.join(cwd, 'bower_components') - subprocess.check_call( - ['zip', '-q', '--exclude', '.bower.json', '-r', cached, opts.n], - cwd=bc) - - if opts.s: - path = os.path.join(bc, opts.n) - sha1 = bowerutil.hash_bower_component(hashlib.sha1(), path).hexdigest() - if opts.s != sha1: - print(( - '%s#%s:\n' - 'expected %s\n' - 'received %s\n') % (opts.p, opts.v, opts.s, sha1), file=sys.stderr) - try: - os.remove(cached) - except OSError as err: - if path.exists(cached): - print('error removing %s: %s' % (cached, err), file=sys.stderr) - return 1 - - shutil.copyfile(cached, outzip) - return 0 + opts = optparse.OptionParser() + opts.add_option('-n', help='short name of component') + opts.add_option('-b', help='bower command') + opts.add_option('-p', help='full package name of component') + opts.add_option('-v', help='version number') + opts.add_option('-s', help='expected content sha1') + opts.add_option('-o', help='output file location') + opts, args_ = opts.parse_args(args) + + assert opts.p + assert opts.v + assert opts.n + + cwd = os.getcwd() + outzip = os.path.join(cwd, opts.o) + cached = cache_entry(opts.n, opts.p, opts.v, opts.s) + + if not os.path.exists(cached): + info = bower_info(opts.b, opts.n, opts.p, opts.v) + ignore_deps(info) + subprocess.check_call( + bower_cmd( + opts.b, '--quiet', 'install', '%s#%s' % (opts.p, opts.v))) + bc = os.path.join(cwd, 'bower_components') + subprocess.check_call( + ['zip', '-q', '--exclude', '.bower.json', '-r', cached, opts.n], + cwd=bc) + + if opts.s: + path = os.path.join(bc, opts.n) + sha1 = bowerutil.hash_bower_component( + hashlib.sha1(), path).hexdigest() + if opts.s != sha1: + print(( + '%s#%s:\n' + 'expected %s\n' + 'received %s\n') % (opts.p, opts.v, opts.s, sha1), + file=sys.stderr) + try: + os.remove(cached) + except OSError as err: + if path.exists(cached): + print('error removing %s: %s' % (cached, err), + file=sys.stderr) + return 1 + + shutil.copyfile(cached, outzip) + return 0 if __name__ == '__main__': - sys.exit(main(sys.argv[1:])) + sys.exit(main(sys.argv[1:])) |