def handle_no_opts(*files): result = None if len(files) == 1: if not common.isexist(f): # 如果该路径不存在,exception raise Exception('ls: {0}: No such file or directory'.format(f)) if common.isdir(f): result = os.listdir(f) else: #如果该路径不是目录,则直接添加到result中 result = [f] else: result = [] for f in files: if not common.isexist(f): # 如果该路径不存在,exception raise Exception('ls: {0}: No such file or directory'.format(f)) if common.isdir(f): result.append(os.listdir(f)) else: #如果该路径不是目录,则直接添加到result中 result.append([f]) return result
def stagedir(pathname): if isdir(pathname): data = None path.walk(pathname, stageinvisitor, data) else: stcmd = "stagein -A deferred --nowait --rdonly " stcmd += " -p %s " % stagepool stcmd += " -M " + path.abspath(pathname) print stcmd os.system(stcmd)
def main(): fs = hdfs.hdfs() try: root = "%s/%s" % (fs.working_directory(), TEST_ROOT) if not isdir(fs, root): sys.exit("%r does not exist" % root) print "BS(MB)\tBYTES" for k, v in usage_by_bs(fs, root).iteritems(): print "%.1f\t%d" % (k / float(MB), v) finally: fs.close()
def getdirsize(pathname=None, verbose=False, printfunc=humanPrint): size = 0 if isdir(pathname): for child in getchildren(pathname): if (pathname): child = pathname + "/" + child size += getdirsize(child, verbose, printfunc) else: size = getsize(pathname) if verbose: if pathname: printfunc(pathname, size) else: printfunc(environ["CASTOR_HOME"], size) return size
def treegen(fs, root, depth, span): if isdir(fs, root) and depth > 0: for i in xrange(span): path = "%s/%d_%d" % (root, depth, i) kind = 'file' if i else 'directory' if kind == 'file': bs = random.sample(BS_RANGE, 1)[0] sys.stderr.write("%s %s %d\n" % (kind[0].upper(), path, (bs/MB))) with fs.open_file(path, "w", blocksize=bs) as f: f.write(path) else: sys.stderr.write("%s %s 0\n" % (kind[0].upper(), path)) fs.create_directory(path) treegen(fs, path, depth-1, span)
def treegen(fs, root, depth, span): if isdir(fs, root) and depth > 0: for i in xrange(span): path = "%s/%d_%d" % (root, depth, i) kind = 'file' if i else 'directory' if kind == 'file': kwargs = {} if pydoop.hadoop_version_info().has_deprecated_bs(): bs = hdfs.fs.hdfs().default_block_size() else: bs = random.sample(BS_RANGE, 1)[0] kwargs['blocksize'] = bs sys.stderr.write("%s %s %d\n" % (kind[0].upper(), path, (bs/MB))) with fs.open_file(path, "w", **kwargs) as f: f.write(path) else: sys.stderr.write("%s %s 0\n" % (kind[0].upper(), path)) fs.create_directory(path) treegen(fs, path, depth-1, span)