def cat(self, path, opts):
addedopts = getopts(opts, ['libjar'], delete=False)
streamingjar = findjar(self.hadoop, 'streaming')
if not streamingjar:
print >> sys.stderr, 'ERROR: Streaming jar not found'
return 1
hadenv = envdef('HADOOP_CLASSPATH', addedopts['libjar'],
shortcuts=dict(configopts('jars')))
try:
import typedbytes
ls = os.popen('%s %s/bin/hadoop dfs -ls %s' % (hadenv, self.hadoop, path))
if sum(c in path for c in ("*", "?", "{")) > 0:
# cat each file separately when the path contains special chars
lineparts = (line.split()[-1] for line in ls)
subpaths = [part for part in lineparts if part.startswith("/")]
else:
# we still do the ls even in this case to make sure we print errors
subpaths = [path]
ls.close()
for subpath in subpaths:
dumptb = os.popen('%s %s/bin/hadoop jar %s dumptb %s 2> /dev/null'
% (hadenv, self.hadoop, streamingjar, subpath))
ascodeopt = getopt(opts, 'ascode')
if ascodeopt and ascodeopt[0] == 'yes':
outputs = dumpcode(typedbytes.PairedInput(dumptb))
else:
outputs = dumptext(typedbytes.PairedInput(dumptb))
for output in outputs:
print '\t'.join(output)
dumptb.close()
except IOError:
pass # ignore
return 0
def cat(self, path, opts):
addedopts = getopts(opts, ['libjar'], delete=False)
streamingjar = findjar(self.hadoop, 'streaming')
if not streamingjar:
print >> sys.stderr, 'ERROR: Streaming jar not found'
return 1
hadenv = envdef('HADOOP_CLASSPATH', addedopts['libjar'],
shortcuts=dict(configopts('jars')))
try:
import typedbytes
ls = os.popen('%s %s dfs -ls %s' % (hadenv, self.hdfs, path))
if sum(c in path for c in ("*", "?", "{")) > 0:
# cat each file separately when the path contains special chars
lineparts = (line.split()[-1] for line in ls)
subpaths = [part for part in lineparts if part.startswith("/")]
else:
# we still do the ls even in this case to make sure we print errors
subpaths = [path]
ls.close()
for subpath in subpaths:
if subpath.endswith("/_logs"):
continue
dumptb = os.popen('%s %s/bin/hadoop jar %s dumptb %s 2> /dev/null'
% (hadenv, self.hadoop, streamingjar, subpath))
ascodeopt = getopt(opts, 'ascode')
if ascodeopt and ascodeopt[0] == 'yes':
outputs = dumpcode(typedbytes.PairedInput(dumptb))
else:
outputs = dumptext(typedbytes.PairedInput(dumptb))
for output in outputs:
print '\t'.join(output)
dumptb.close()
except IOError:
pass # ignore
return 0
def decodepipe(opts=None):
opts = opts or Options()
ofiles = opts.pop('file')
files = map(open, ofiles) if ofiles else [sys.stdin]
for _file in files:
outputs = loadcode(line[:-1] for line in _file)
for output in dumptext(outputs):
print '\t'.join(output)
_file.close()
return 0
def decodepipe(opts=None):
opts = opts or Options()
ofiles = opts.pop('file')
files = map(openFile, ofiles) if ofiles else [sys.stdin]
for _file in files:
outputs = loadcode(line[:-1] for line in _file)
for output in dumptext(outputs):
print '\t'.join(output)
_file.close()
return 0
