|
|
# -*- coding: utf-8 -*-
|
|
|
"""Test Parallel magics
|
|
|
|
|
|
Authors:
|
|
|
|
|
|
* Min RK
|
|
|
"""
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Copyright (C) 2011 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
import re
|
|
|
import sys
|
|
|
import time
|
|
|
|
|
|
import zmq
|
|
|
from nose import SkipTest
|
|
|
|
|
|
from IPython.testing import decorators as dec
|
|
|
from IPython.testing.ipunittest import ParametricTestCase
|
|
|
from IPython.utils.io import capture_output
|
|
|
|
|
|
from IPython import parallel as pmod
|
|
|
from IPython.parallel import error
|
|
|
from IPython.parallel import AsyncResult
|
|
|
from IPython.parallel.util import interactive
|
|
|
|
|
|
from IPython.parallel.tests import add_engines
|
|
|
|
|
|
from .clienttest import ClusterTestCase, generate_output
|
|
|
|
|
|
def setup():
|
|
|
add_engines(3, total=True)
|
|
|
|
|
|
class TestParallelMagics(ClusterTestCase, ParametricTestCase):
|
|
|
|
|
|
def test_px_blocking(self):
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1:]
|
|
|
v.activate()
|
|
|
v.block=True
|
|
|
|
|
|
ip.magic('px a=5')
|
|
|
self.assertEqual(v['a'], [5])
|
|
|
ip.magic('px a=10')
|
|
|
self.assertEqual(v['a'], [10])
|
|
|
# just 'print a' works ~99% of the time, but this ensures that
|
|
|
# the stdout message has arrived when the result is finished:
|
|
|
with capture_output() as io:
|
|
|
ip.magic(
|
|
|
'px import sys,time;print(a);sys.stdout.flush();time.sleep(0.2)'
|
|
|
)
|
|
|
self.assertIn('[stdout:', io.stdout)
|
|
|
self.assertNotIn('\n\n', io.stdout)
|
|
|
assert io.stdout.rstrip().endswith('10')
|
|
|
self.assertRaisesRemote(ZeroDivisionError, ip.magic, 'px 1/0')
|
|
|
|
|
|
def _check_generated_stderr(self, stderr, n):
|
|
|
expected = [
|
|
|
r'\[stderr:\d+\]',
|
|
|
'^stderr$',
|
|
|
'^stderr2$',
|
|
|
] * n
|
|
|
|
|
|
self.assertFalse('\n\n' in stderr, stderr)
|
|
|
lines = stderr.splitlines()
|
|
|
self.assertEqual(len(lines), len(expected), stderr)
|
|
|
for line,expect in zip(lines, expected):
|
|
|
if isinstance(expect, str):
|
|
|
expect = [expect]
|
|
|
for ex in expect:
|
|
|
self.assertTrue(re.search(ex, line) is not None, "Expected %r in %r" % (ex, line))
|
|
|
|
|
|
def test_cellpx_block_args(self):
|
|
|
"""%%px --[no]block flags work"""
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1:]
|
|
|
v.activate()
|
|
|
v.block=False
|
|
|
|
|
|
for block in (True, False):
|
|
|
v.block = block
|
|
|
ip.magic("pxconfig --verbose")
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic("px", "", "1")
|
|
|
if block:
|
|
|
assert io.stdout.startswith("Parallel"), io.stdout
|
|
|
else:
|
|
|
assert io.stdout.startswith("Async"), io.stdout
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic("px", "--block", "1")
|
|
|
assert io.stdout.startswith("Parallel"), io.stdout
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic("px", "--noblock", "1")
|
|
|
assert io.stdout.startswith("Async"), io.stdout
|
|
|
|
|
|
def test_cellpx_groupby_engine(self):
|
|
|
"""%%px --group-outputs=engine"""
|
|
|
ip = get_ipython()
|
|
|
v = self.client[:]
|
|
|
v.block = True
|
|
|
v.activate()
|
|
|
|
|
|
v['generate_output'] = generate_output
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic('px', '--group-outputs=engine', 'generate_output()')
|
|
|
|
|
|
self.assertNotIn('\n\n', io.stdout)
|
|
|
lines = io.stdout.splitlines()
|
|
|
expected = [
|
|
|
r'\[stdout:\d+\]',
|
|
|
'stdout',
|
|
|
'stdout2',
|
|
|
r'\[output:\d+\]',
|
|
|
r'IPython\.core\.display\.HTML',
|
|
|
r'IPython\.core\.display\.Math',
|
|
|
r'Out\[\d+:\d+\]:.*IPython\.core\.display\.Math',
|
|
|
] * len(v)
|
|
|
|
|
|
self.assertEqual(len(lines), len(expected), io.stdout)
|
|
|
for line,expect in zip(lines, expected):
|
|
|
if isinstance(expect, str):
|
|
|
expect = [expect]
|
|
|
for ex in expect:
|
|
|
self.assertTrue(re.search(ex, line) is not None, "Expected %r in %r" % (ex, line))
|
|
|
|
|
|
self._check_generated_stderr(io.stderr, len(v))
|
|
|
|
|
|
|
|
|
def test_cellpx_groupby_order(self):
|
|
|
"""%%px --group-outputs=order"""
|
|
|
ip = get_ipython()
|
|
|
v = self.client[:]
|
|
|
v.block = True
|
|
|
v.activate()
|
|
|
|
|
|
v['generate_output'] = generate_output
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic('px', '--group-outputs=order', 'generate_output()')
|
|
|
|
|
|
self.assertNotIn('\n\n', io.stdout)
|
|
|
lines = io.stdout.splitlines()
|
|
|
expected = []
|
|
|
expected.extend([
|
|
|
r'\[stdout:\d+\]',
|
|
|
'stdout',
|
|
|
'stdout2',
|
|
|
] * len(v))
|
|
|
expected.extend([
|
|
|
r'\[output:\d+\]',
|
|
|
'IPython.core.display.HTML',
|
|
|
] * len(v))
|
|
|
expected.extend([
|
|
|
r'\[output:\d+\]',
|
|
|
'IPython.core.display.Math',
|
|
|
] * len(v))
|
|
|
expected.extend([
|
|
|
r'Out\[\d+:\d+\]:.*IPython\.core\.display\.Math'
|
|
|
] * len(v))
|
|
|
|
|
|
self.assertEqual(len(lines), len(expected), io.stdout)
|
|
|
for line,expect in zip(lines, expected):
|
|
|
if isinstance(expect, str):
|
|
|
expect = [expect]
|
|
|
for ex in expect:
|
|
|
self.assertTrue(re.search(ex, line) is not None, "Expected %r in %r" % (ex, line))
|
|
|
|
|
|
self._check_generated_stderr(io.stderr, len(v))
|
|
|
|
|
|
def test_cellpx_groupby_type(self):
|
|
|
"""%%px --group-outputs=type"""
|
|
|
ip = get_ipython()
|
|
|
v = self.client[:]
|
|
|
v.block = True
|
|
|
v.activate()
|
|
|
|
|
|
v['generate_output'] = generate_output
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.run_cell_magic('px', '--group-outputs=type', 'generate_output()')
|
|
|
|
|
|
self.assertNotIn('\n\n', io.stdout)
|
|
|
lines = io.stdout.splitlines()
|
|
|
|
|
|
expected = []
|
|
|
expected.extend([
|
|
|
r'\[stdout:\d+\]',
|
|
|
'stdout',
|
|
|
'stdout2',
|
|
|
] * len(v))
|
|
|
expected.extend([
|
|
|
r'\[output:\d+\]',
|
|
|
r'IPython\.core\.display\.HTML',
|
|
|
r'IPython\.core\.display\.Math',
|
|
|
] * len(v))
|
|
|
expected.extend([
|
|
|
(r'Out\[\d+:\d+\]', r'IPython\.core\.display\.Math')
|
|
|
] * len(v))
|
|
|
|
|
|
self.assertEqual(len(lines), len(expected), io.stdout)
|
|
|
for line,expect in zip(lines, expected):
|
|
|
if isinstance(expect, str):
|
|
|
expect = [expect]
|
|
|
for ex in expect:
|
|
|
self.assertTrue(re.search(ex, line) is not None, "Expected %r in %r" % (ex, line))
|
|
|
|
|
|
self._check_generated_stderr(io.stderr, len(v))
|
|
|
|
|
|
|
|
|
def test_px_nonblocking(self):
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1:]
|
|
|
v.activate()
|
|
|
v.block=False
|
|
|
|
|
|
ip.magic('px a=5')
|
|
|
self.assertEqual(v['a'], [5])
|
|
|
ip.magic('px a=10')
|
|
|
self.assertEqual(v['a'], [10])
|
|
|
ip.magic('pxconfig --verbose')
|
|
|
with capture_output() as io:
|
|
|
ar = ip.magic('px print (a)')
|
|
|
self.assertTrue(isinstance(ar, AsyncResult))
|
|
|
self.assertTrue('Async' in io.stdout)
|
|
|
self.assertFalse('[stdout:' in io.stdout)
|
|
|
self.assertFalse('\n\n' in io.stdout)
|
|
|
|
|
|
ar = ip.magic('px 1/0')
|
|
|
self.assertRaisesRemote(ZeroDivisionError, ar.get)
|
|
|
|
|
|
def test_autopx_blocking(self):
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1]
|
|
|
v.activate()
|
|
|
v.block=True
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.magic('autopx')
|
|
|
ip.run_cell('\n'.join(('a=5','b=12345','c=0')))
|
|
|
ip.run_cell('b*=2')
|
|
|
ip.run_cell('print (b)')
|
|
|
ip.run_cell('b')
|
|
|
ip.run_cell("b/c")
|
|
|
ip.magic('autopx')
|
|
|
|
|
|
output = io.stdout
|
|
|
|
|
|
self.assertTrue(output.startswith('%autopx enabled'), output)
|
|
|
self.assertTrue(output.rstrip().endswith('%autopx disabled'), output)
|
|
|
self.assertTrue('ZeroDivisionError' in output, output)
|
|
|
self.assertTrue('\nOut[' in output, output)
|
|
|
self.assertTrue(': 24690' in output, output)
|
|
|
ar = v.get_result(-1)
|
|
|
self.assertEqual(v['a'], 5)
|
|
|
self.assertEqual(v['b'], 24690)
|
|
|
self.assertRaisesRemote(ZeroDivisionError, ar.get)
|
|
|
|
|
|
def test_autopx_nonblocking(self):
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1]
|
|
|
v.activate()
|
|
|
v.block=False
|
|
|
|
|
|
with capture_output() as io:
|
|
|
ip.magic('autopx')
|
|
|
ip.run_cell('\n'.join(('a=5','b=10','c=0')))
|
|
|
ip.run_cell('print (b)')
|
|
|
ip.run_cell('import time; time.sleep(0.1)')
|
|
|
ip.run_cell("b/c")
|
|
|
ip.run_cell('b*=2')
|
|
|
ip.magic('autopx')
|
|
|
|
|
|
output = io.stdout.rstrip()
|
|
|
|
|
|
self.assertTrue(output.startswith('%autopx enabled'))
|
|
|
self.assertTrue(output.endswith('%autopx disabled'))
|
|
|
self.assertFalse('ZeroDivisionError' in output)
|
|
|
ar = v.get_result(-2)
|
|
|
self.assertRaisesRemote(ZeroDivisionError, ar.get)
|
|
|
# prevent TaskAborted on pulls, due to ZeroDivisionError
|
|
|
time.sleep(0.5)
|
|
|
self.assertEqual(v['a'], 5)
|
|
|
# b*=2 will not fire, due to abort
|
|
|
self.assertEqual(v['b'], 10)
|
|
|
|
|
|
def test_result(self):
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1]
|
|
|
v.activate()
|
|
|
data = dict(a=111,b=222)
|
|
|
v.push(data, block=True)
|
|
|
|
|
|
for name in ('a', 'b'):
|
|
|
ip.magic('px ' + name)
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.magic('pxresult')
|
|
|
self.assertIn(str(data[name]), io.stdout)
|
|
|
|
|
|
@dec.skipif_not_matplotlib
|
|
|
def test_px_pylab(self):
|
|
|
"""%pylab works on engines"""
|
|
|
ip = get_ipython()
|
|
|
v = self.client[-1]
|
|
|
v.block = True
|
|
|
v.activate()
|
|
|
|
|
|
with capture_output() as io:
|
|
|
ip.magic("px %pylab inline")
|
|
|
|
|
|
self.assertIn("Populating the interactive namespace from numpy and matplotlib", io.stdout)
|
|
|
|
|
|
with capture_output(display=False) as io:
|
|
|
ip.magic("px plot(rand(100))")
|
|
|
self.assertIn('Out[', io.stdout)
|
|
|
self.assertIn('matplotlib.lines', io.stdout)
|
|
|
|
|
|
def test_pxconfig(self):
|
|
|
ip = get_ipython()
|
|
|
rc = self.client
|
|
|
v = rc.activate(-1, '_tst')
|
|
|
self.assertEqual(v.targets, rc.ids[-1])
|
|
|
ip.magic("%pxconfig_tst -t :")
|
|
|
self.assertEqual(v.targets, rc.ids)
|
|
|
ip.magic("%pxconfig_tst -t ::2")
|
|
|
self.assertEqual(v.targets, rc.ids[::2])
|
|
|
ip.magic("%pxconfig_tst -t 1::2")
|
|
|
self.assertEqual(v.targets, rc.ids[1::2])
|
|
|
ip.magic("%pxconfig_tst -t 1")
|
|
|
self.assertEqual(v.targets, 1)
|
|
|
ip.magic("%pxconfig_tst --block")
|
|
|
self.assertEqual(v.block, True)
|
|
|
ip.magic("%pxconfig_tst --noblock")
|
|
|
self.assertEqual(v.block, False)
|
|
|
|
|
|
def test_cellpx_targets(self):
|
|
|
"""%%px --targets doesn't change defaults"""
|
|
|
ip = get_ipython()
|
|
|
rc = self.client
|
|
|
view = rc.activate(rc.ids)
|
|
|
self.assertEqual(view.targets, rc.ids)
|
|
|
ip.magic('pxconfig --verbose')
|
|
|
for cell in ("pass", "1/0"):
|
|
|
with capture_output(display=False) as io:
|
|
|
try:
|
|
|
ip.run_cell_magic("px", "--targets all", cell)
|
|
|
except pmod.RemoteError:
|
|
|
pass
|
|
|
self.assertIn('engine(s): all', io.stdout)
|
|
|
self.assertEqual(view.targets, rc.ids)
|
|
|
|
|
|
|
|
|
def test_cellpx_block(self):
|
|
|
"""%%px --block doesn't change default"""
|
|
|
ip = get_ipython()
|
|
|
rc = self.client
|
|
|
view = rc.activate(rc.ids)
|
|
|
view.block = False
|
|
|
self.assertEqual(view.targets, rc.ids)
|
|
|
ip.magic('pxconfig --verbose')
|
|
|
for cell in ("pass", "1/0"):
|
|
|
with capture_output(display=False) as io:
|
|
|
try:
|
|
|
ip.run_cell_magic("px", "--block", cell)
|
|
|
except pmod.RemoteError:
|
|
|
pass
|
|
|
self.assertNotIn('Async', io.stdout)
|
|
|
self.assertEqual(view.block, False)
|
|
|
|
|
|
|
|
|
|
