Python Disco.wait方法代碼示例

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
class IndexJob(object):
    def __init__(self, spec, discodex, disco_addr="disco://localhost", profile=False):
        # TODO(sqs): refactoring potential with PagerankJob
        self.spec = spec
        self.discodex = discodex
        self.docset = Docset(spec.docset_name)
        self.disco = Disco(DiscoSettings()["DISCO_MASTER"])
        self.nr_partitions = 8
        self.profile = profile

    def start(self):
        results = self.__run_job(self.__index_job())
        self.__run_discodex_index(results)

    def __run_job(self, job):
        results = job.wait()
        if self.profile:
            self.__profile_job(job)
        return results

    def __index_job(self):
        return self.disco.new_job(
            name="index_tfidf",
            input=["tag://" + self.docset.ddfs_tag],
            map_reader=docparse,
            map=TfIdf.map,
            reduce=TfIdf.reduce,
            sort=True,
            partitions=self.nr_partitions,
            partition=TfIdf.partition,
            merge_partitions=False,
            profile=self.profile,
            params=dict(doc_count=self.docset.doc_count),
        )

    def __run_discodex_index(self, results):
        opts = {
            "parser": "disco.func.chain_reader",
            "demuxer": "freequery.index.tf_idf.TfIdf_demux",
            "nr_ichunks": 1,  # TODO(sqs): after disco#181 fixed, increase this
        }
        ds = DataSet(input=results, options=opts)
        origname = self.discodex.index(ds)
        self.disco.wait(origname)  # origname is also the disco job name
        self.discodex.clone(origname, self.spec.invindex_name)

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
def data_gen(path):
    return "\n".join([path[1:]] * 10)


def fun_map(e, params):
    return [("=" + e, e)]


def fun_reduce(iter, out, params):
    s = 1
    for k, v in iter:
        if k != "=" + v:
            raise Exception("Corrupted key")
        s *= int(v)
    out.add("result", s)


tserver.run_server(data_gen)

inputs = [3, 5, 7, 11, 13, 17, 19, 23, 29, 31]
job = Disco(sys.argv[1]).new_job(
    name="test_simple", input=tserver.makeurl(inputs), map=fun_map, reduce=fun_reduce, nr_reduces=1, sort=False
)

if list(result_iterator(job.wait())) != [("result", ANS)]:
    raise Exception("Invalid answer")

job.purge()
print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""

from disco.core import Disco, result_iterator
from disco.util import external

ext_map_exec = "java_map.sh"
ext_reduce_exec = "java_reduce.sh"
map_class = "rmaus.disco.external.sample.WordCountMap"
reduce_class = "rmaus.disco.external.sample.WordCountReduce"

job = Disco("http://discomaster-dr-01:8989").new_job(
        name = "java_wordcount",
	input = ["raw://foo", "raw://bar", "raw://foo"],
	ext_params = { "mapFunction" : map_class, "reduceFunction" : reduce_class, "testKey" : "testValue" },
        map = external([ext_map_exec]),
        reduce = external([ext_reduce_exec]))

results = job.wait(show=True)

for result in sorted(result_iterator(results), key=lambda x:x[1]):
	print result

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
                out.add(k, v)

tserver.run_server(data_gen)

job = Disco(sys.argv[1]).new_job(\
        name = "test_profile",\
        input = tserver.makeurl([""] * int(100)),\
        map = really_unique_function_name,\
        reduce = fun_reduce,\
        nr_reduces = 30,\
        sort = False,\
        profile = True)

ANS = {"gutta": int(1e4), "cavat": int(2e4), "capidem": int(1e4)}
i = 0
for key, value in result_iterator(job.wait()):
        i += 1
        if ANS[key] == int(value):
                print "Correct: %s %s" % (key, value)
        else:
                raise "Results don't match (%s): Got %d expected %d" %\
                        (key, int(value), ANS[key])
if i != 3:
        raise "Too few results"

buf = cStringIO.StringIO()
sys.stdout = buf
job.profile_stats().print_stats()
sys.stdout = sys.__stdout__

#stats = job.profile_stats()

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
import sys
from disco.core import Disco, result_iterator

def fun_map(e, params):
        for i in range(3):
                msg("--special_test_string_%d--" % i)
        return [(e, "")]

inputs = ["raw://discoapi"]

job = Disco(sys.argv[1]).new_job(name = "test_discoapi",
        input = inputs,
        map = fun_map)

r = list(result_iterator(job.wait()))
if [("discoapi", "")] != r:
        raise Exception("Invalid result: <%s> " % r)

n = job.jobspec()["name"]
if not n.startswith("test_discoapi"):
        raise Exception("Invalid jobspec: Expected name prefix test_discoapi, "\
                        "got %s" % n)

events = [ev[2] for offs, ev in job.events()]

for i in range(3):
        m = "--special_test_string_%d--" % i
        if not [x for x in events if m in x]:
                raise Exception("Message '%s' not found in events" % m)

job.purge()

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
tserver.run_server(data_gen)

inputs = ["01/11/1965", "14/03/1983", "12/12/2002"]

job = Disco(sys.argv[1]).new_job(name = "test_objectrw",
                input = tserver.makeurl(inputs),
                map = fun_map,
                map_writer = func.object_writer,
                reduce = fun_reduce, 
                reduce_reader = func.object_reader,
                reduce_writer = func.object_writer,
                required_modules = ["math", "datetime", "time"],
                nr_reduces = 1,
                sort = False)

i = 0
for k, v in result_iterator(job.wait(), reader = func.object_reader):
        if k["PI2"] != math.pi:
                raise "Invalid key: %s" % k
        if v.strftime("%d/%m/%Y") not in inputs:
                raise "Invalid value: %s" % v
        i += 1

if i != 30:
        raise "Wrong number of results, got %d, expected 30" % i

job.purge()

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
tserver.run_server(data_gen)
inputs = tserver.makeurl([1])
job = Disco(sys.argv[1]).new_job(name = "test_ratelimit",
        input = inputs, map = fun_map)

time.sleep(5)
check_dead(job)

job = Disco(sys.argv[1]).new_job(name = "test_ratelimit2",
        input = inputs, map = fun_map2, status_interval = 1)

time.sleep(5)
check_dead(job)

job = Disco(sys.argv[1]).new_job(name = "test_ratelimit3",
        input = inputs, map = fun_map3, status_interval = 1)

time.sleep(5)
check_dead(job)

job = Disco(sys.argv[1]).new_job(name = "test_ratelimit4",
        input = inputs, map = fun_map2, status_interval = 0)
job.wait()
job.purge()

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
fail = ["1", "2", "3"]

def data_gen(path):
        lock.acquire()
        e = path[1:]
        if e in fail:
                fail.remove(e)
                lock.release()
                raise tserver.FailedReply()
        else:
                lock.release()
                return str(int(e) * 10) + "\n"

def fun_map(e, params):
        return [(int(e) * 10, "")]

tserver.run_server(data_gen)

job = Disco(sys.argv[1]).new_job(
        name = "test_tempfail",
        input = tserver.makeurl(map(str, range(10))),
        map = fun_map)

res = sum(int(x) for x, y in result_iterator(job.wait()))
if res != 4500:
        raise Exception("Invalid result: Got %d, expected 4500" % res)

job.purge()
print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
        s = 1
        for k, v in iter:
                if k != "=" + v:
                        raise Exception("Corrupted key")
                s *= int(v)
        out.add("result", s)

tserver.run_server(data_gen)

inputs = [3, 5, 7, 11, 13, 17, 19, 23, 29, 31]

job = Disco(sys.argv[1]).new_job(
                name = "test_writers", 
                input = tserver.makeurl(inputs),
                map = fun_map,
                map_writer = fun_map_writer,
                reduce = fun_reduce, 
                reduce_reader = fun_reduce_reader,
                reduce_writer = fun_reduce_writer,
                nr_reduces = 1,
                sort = False)

res = list(result_iterator(job.wait(), reader = result_reader))

if res != [ANS]:
        raise Exception("Invalid answer: %s" % res)

job.purge()

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
import sys
from disco.core import Disco, result_iterator

def fun_map(e, params):
        return [("", e + ":map")]

inputs = ["raw://eeny", "raw://meeny", "raw://miny", "raw://moe"]

job = Disco(sys.argv[1]).new_job(name = "test_raw",
        input = inputs,
        map = fun_map)

res = dict((x[6:] + ":map", True) for x in inputs)

for x in result_iterator(job.wait()):
        if x[1] not in res:
                raise "Invalid result: <%s> " % x[1]
        del res[x[1]]

if res:
        raise "Invalid number of results %d" %\
                (len(inputs) - len(res))

job.purge()

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
tserver.run_server(data_gen)

inputs = ["apple", "orange", "pear"]

job = Disco(sys.argv[1]).new_job(
        name="test_streams",
        input=tserver.makeurl(inputs),
        map=fun_map,
        reduce=fun_reduce,
        nr_reduces=1,
        map_reader = map_reader,
        map_input_stream =
                [map_input_stream, map_input1, map_input2, map_input3],
        reduce_output_stream = [reduce_output1, reduce_output2])

for k, v in result_iterator(job.wait(),
                input_stream = [resultiter_input1, map_input_stream]):

        if not k.startswith("red:cba"):
                raise Exception("Invalid prefix in key. Got '%s' "\
                        "expected prefix 'red:cba'" % k)

        if k[7:] not in inputs:
                raise Exception("Invalid result '%s'" % k)
        inputs.remove(k[7:])

if inputs:
        raise Exception("Expected 3 results, got %d" % 3 - len(inputs))

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
                out.add("red_" + k, "red_" + v)
        
tserver.run_server(data_gen)

inputs = ["ape", "cat", "dog"]
params = {"test1": "1,2,3",\
          "one two three": "dim\ndam\n",\
          "dummy": "value"}

job = Disco(sys.argv[1]).new_job(
            name = "test_external",
            input = tserver.makeurl(inputs),
            map = external(["ext_test"]), 
            reduce = fun_reduce, 
            ext_params = params,
            nr_reduces = 1,
            sort = False)

results = sorted([(v, k) for k, v in result_iterator(job.wait())])
for i, e in enumerate(results): 
        v, k = e
        if k != "red_dkey" or v != "red_test_%s" % inputs[i / 3]:
                raise Exception("Invalid answer: %s, %s" % (k, v))

if len(results) != 9:
        raise Exception("Wrong number of results: %u vs. 9" % len(results))

job.purge()

print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
                raise tserver.FailedReply()
        else:
                return str(int(path[2:]) * 10) + "\n"

def fun_map(e, params):
        return [(e, "")]

def fun_reduce(iter, out, params):
        s = 0
        for k, v in iter:
                s += int(k)
        out.add(s, "")

tserver.run_server(data_gen)

inputs = ["X1", ["2_fail", "2_still_fail", "X200"], "X3", ["4_fail", "X400"]]

job = Disco(sys.argv[1]).new_job(
        name = "test_redundant",
        input = tserver.makeurl(inputs),
        map = fun_map,
        reduce = fun_reduce,
        nr_reduces = 1)

if result_iterator(job.wait()).next()[0] != "6040":
        raise Exception("Invalid result: Got %s, expected 6040" % res)

job.purge()
print "ok"

# 需要導入模塊: from disco.core import Disco [as 別名]
# 或者: from disco.core.Disco import wait [as 別名]
import sys, tserver
from disco.core import Disco, result_iterator

def data_gen(path):
        return "\n".join([path[1:]])

def fun_map(e, params):
        x = extramodule1.magic(int(e))
        y = extramodule2.kungfu(x)
        return [("", y)]

inputs = ["123"]

tserver.run_server(data_gen)

job = Disco(sys.argv[1]).new_job(name = "test_requiredfiles",
        input = tserver.makeurl(inputs),
        required_files = ["extramodule1.py", "extramodule2.py"],
        required_modules = ["extramodule1", "extramodule2"],
        map = fun_map)

exp = int(inputs[0]) ** 2 + 2
got = int([y for x, y in result_iterator(job.wait())][0])
if exp != got:
        raise "Wrong result! expected %d, got %d" % (exp, got)

job.purge()

print "ok"