def test_format_config():
"""config objects don't pretend to support fancy reprs with lazy attrs"""
f = HTMLFormatter()
cfg = Config()
with capture_output() as captured:
result = f(cfg)
nt.assert_is(result, None)
nt.assert_equal(captured.stderr, "")
with capture_output() as captured:
result = f(Config)
nt.assert_is(result, None)
nt.assert_equal(captured.stderr, "")
def test_print_method_bound():
f = HTMLFormatter()
class MyHTML(object):
def _repr_html_(self):
return "hello"
with capture_output() as captured:
result = f(MyHTML)
nt.assert_is(result, None)
nt.assert_not_in("FormatterWarning", captured.stderr)
with capture_output() as captured:
result = f(MyHTML())
nt.assert_equal(result, "hello")
nt.assert_equal(captured.stderr, "")
def run_cell(cmd):
with capture_output() as io:
res = ip.run_cell(content)
#print 'suc', res.success
#print 'res', res.result
res_out = io.stdout
print 'res out', res_out
def test_progress_iter():
with capture_output(display=False) as captured:
for i in display.ProgressBar(5):
out = captured.stdout
nt.assert_in('{0}/5'.format(i), out)
out = captured.stdout
nt.assert_in('5/5', out)
def sample(self, niter, thin=1, variables=None, run_diagnostic=True):
"""
variables: if None, use all as extracted with self.get_variables(which='unobserved')
"""
if not self._burnin_ok:
print "WARNING: you might want to run burnin() first"
if variables==None:
variables=self.get_variables(which='unobserved')
robj.r.assign('pyjags_variables', np.array(variables))
with capture_output() as io: # get rid of some remaining output
robj.r(_R_sample_dic.format(niter=niter,
thin=thin))
## temporarily disable numpy conversion
rpy2.robjects.numpy2ri.deactivate()
if run_diagnostic:
robj.r('pyjags_gelman=gelman.diag(pyjags_samp$samples)$psrf')
self._gelmandiag_last_run=com.convert_robj(robj.r('pyjags_gelman'))
if np.any(self._gelmandiag_last_run.iloc[:,0]>1.05):
print "WARNING: there may be problems with your convergence (some R>1.05)"
else:
self._gelmandiag_last_run=None
ms=com.convert_robj(robj.r('as.matrix(pyjags_samp$samples)'))
self._dic_last_run=com.convert_robj(robj.r('pyjags_samp$dic'))
## enable numpy conversion again
rpy2.robjects.numpy2ri.activate()
return ms
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_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() as io:
ip.run_cell_magic('px', '--group-outputs=engine', 'generate_output()')
self.assertFalse('\n\n' in io.stdout)
lines = io.stdout.splitlines()[1:]
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.assertEquals(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_compositeerror_truncate(self):
"""Truncate CompositeErrors with many exceptions"""
view = self.client[:]
msg_ids = []
for i in range(10):
ar = view.execute("1/0")
msg_ids.extend(ar.msg_ids)
ar = self.client.get_result(msg_ids)
try:
ar.get()
except error.CompositeError as _e:
e = _e
else:
self.fail("Should have raised CompositeError")
lines = e.render_traceback()
with capture_output() as io:
e.print_traceback()
self.assertTrue("more exceptions" in lines[-1])
count = e.tb_limit
self.assertEqual(io.stdout.count('ZeroDivisionError'), 2 * count, io.stdout)
self.assertEqual(io.stdout.count('by zero'), count, io.stdout)
self.assertEqual(io.stdout.count(':execute'), count, io.stdout)
def test_autopx_blocking(self):
ip = get_ipython()
v = self.client[-1]
v.activate()
v.block=True
with capture_output() 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('RemoteError: ZeroDivisionError' in output, output)
self.assertTrue('\nOut[' in output, output)
self.assertTrue(': 24690' in output, output)
ar = v.get_result(-1)
self.assertEquals(v['a'], 5)
self.assertEquals(v['b'], 24690)
self.assertRaisesRemote(ZeroDivisionError, ar.get)
def _run_f2py(self, argv, show_captured=False, verbosity=0):
"""
Here we directly call the numpy.f2py.f2py2e.run_compile() entry point,
after some small amount of setup to get sys.argv and the current
working directory set appropriately.
"""
old_argv = sys.argv
old_cwd = os.getcwdu() if sys.version_info[0] == 2 else os.getcwd()
try:
sys.argv = ['f2py'] + list(map(str, argv))
if verbosity > 1:
print("Running...\n %s" % ' '.join(sys.argv))
os.chdir(self._lib_dir)
try:
with capture_output() as captured:
f2py2e.main()
if show_captured or verbosity > 2:
captured()
except SystemExit as e:
captured()
raise UsageError(str(e))
finally:
sys.argv = old_argv
os.chdir(old_cwd)
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.assertEquals(v['a'], 5)
# b*=2 will not fire, due to abort
self.assertEquals(v['b'], 10)
def test__run_query():
magics.context._credentials = None
job_id = 'job_1234'
sql = 'SELECT 17'
responses = [
futures.TimeoutError,
futures.TimeoutError,
[table.Row((17,), {'num': 0})]
]
client_patch = mock.patch(
'google.cloud.bigquery.magics.bigquery.Client', autospec=True)
with client_patch as client_mock, io.capture_output() as captured:
client_mock().query(sql).result.side_effect = responses
client_mock().query(sql).job_id = job_id
query_job = magics._run_query(client_mock(), sql)
lines = re.split('\n|\r', captured.stdout)
# Removes blanks & terminal code (result of display clearing)
updates = list(filter(lambda x: bool(x) and x != '\x1b[2K', lines))
assert query_job.job_id == job_id
expected_first_line = "Executing query with job ID: {}".format(job_id)
assert updates[0] == expected_first_line
execution_updates = updates[1:-1]
assert len(execution_updates) == 3 # one update per API response
assert all(re.match("Query executing: .*s", line)
for line in execution_updates)
assert re.match("Query complete after .*s", updates[-1])
def test_capture_output():
"""capture_output() context works"""
with capture_output() as io:
print("hi, stdout")
print("hi, stderr", file=sys.stderr)
nt.assert_equal(io.stdout, "hi, stdout\n")
nt.assert_equal(io.stderr, "hi, stderr\n")
def capture(self, line, cell):
"""run the cell, capturing stdout/err"""
args = magic_arguments.parse_argstring(self.capture, line)
out = not args.no_stdout
err = not args.no_stderr
with capture_output(out, err) as io:
self.shell.run_cell(cell)
if args.output:
self.shell.user_ns[args.output] = io
def test_capture_output():
"""capture_output() context works"""
with capture_output() as io:
print('hi, stdout')
print('hi, stderr', file=sys.stderr)
nt.assert_equals(io.stdout, 'hi, stdout\n')
nt.assert_equals(io.stderr, 'hi, stderr\n')
def test_config_available_configs():
""" test that config magic prints available configs in unique and
sorted order. """
with capture_output() as captured:
_ip.magic('config')
stdout = captured.stdout
config_classes = stdout.strip().split('\n')[1:]
nt.assert_list_equal(config_classes, sorted(set(config_classes)))
def test_warn_error_for_type():
f = HTMLFormatter()
f.for_type(int, lambda i: name_error)
with capture_output() as captured:
result = f(5)
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("NameError", captured.stdout)
nt.assert_in("name_error", captured.stdout)
def test_warn_error_for_type():
f = HTMLFormatter()
f.for_type(int, lambda i: name_error)
with capture_output() as captured:
result = f(5)
nt.assert_is(result, None)
nt.assert_in("FormatterWarning", captured.stderr)
nt.assert_in("text/html", captured.stderr)
nt.assert_in("name_error", captured.stderr)
def test_display_empty_streams_single(self):
"""empty stdout/err are not displayed (single result)"""
self.minimum_engines(1)
v = self.client[-1]
ar = v.execute("print (5555)")
ar.get(5)
with capture_output() as io:
ar.display_outputs()
self.assertEqual(io.stderr, '')
self.assertEqual('5555\n', io.stdout)
ar = v.execute("a=5")
ar.get(5)
with capture_output() as io:
ar.display_outputs()
self.assertEqual(io.stderr, '')
self.assertEqual(io.stdout, '')
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.assertTrue("Welcome to pylab" in io.stdout, io.stdout)
self.assertTrue("backend_inline" in io.stdout, io.stdout)
with capture_output() as io:
ip.magic("px plot(rand(100))")
self.assertTrue('Out[' in io.stdout, io.stdout)
self.assertTrue('matplotlib.lines' in io.stdout, io.stdout)
def test_magic_magic():
"""Test %magic"""
ip = get_ipython()
with capture_output() as captured:
ip.magic("magic")
stdout = captured.stdout
nt.assert_in('%magic', stdout)
nt.assert_in('IPython', stdout)
nt.assert_in('Available', stdout)
def test_remoteerror_render_exception(self):
"""RemoteErrors get nice tracebacks"""
view = self.client[-1]
ar = view.execute("1/0")
ip = get_ipython()
ip.user_ns['ar'] = ar
with capture_output() as io:
ip.run_cell("ar.get(2)")
self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout)
def test_bad_repr_traceback():
f = PlainTextFormatter()
bad = BadRepr()
with capture_output() as captured:
result = f(bad)
# catches error, returns None
assert result is None
assert "Traceback" in captured.stdout
assert "__repr__" in captured.stdout
assert "ValueError" in captured.stdout
def capture(self, line, cell):
"""run the cell, capturing stdout, stderr, and IPython's rich display() calls."""
args = magic_arguments.parse_argstring(self.capture, line)
out = not args.no_stdout
err = not args.no_stderr
disp = not args.no_display
with capture_output(out, err, disp) as io:
self.shell.run_cell(cell)
if args.output:
self.shell.user_ns[args.output] = io
def test_bad_repr_traceback():
f = PlainTextFormatter()
bad = BadRepr()
with capture_output() as captured:
result = f(bad)
# catches error, returns None
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("__repr__", captured.stdout)
nt.assert_in("ValueError", captured.stdout)
def test_bad_repr_traceback():
f = PlainTextFormatter()
bad = BadRepr()
with capture_output() as captured:
result = f(bad)
# catches error, returns None
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("__repr__", captured.stdout)
nt.assert_in("ValueError", captured.stdout)
def test_magic_magic():
"""Test %magic"""
ip = get_ipython()
with capture_output() as captured:
ip.magic("magic")
stdout = captured.stdout
assert "%magic" in stdout
assert "IPython" in stdout
assert "Available" in stdout
def test_px_pylab(self):
"""%pylab works on engines"""
pytest.importorskip('matplotlib')
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 capture(self, line, cell):
"""run the cell, capturing stdout, stderr, and IPython's rich display() calls."""
args = magic_arguments.parse_argstring(self.capture, line)
out = not args.no_stdout
err = not args.no_stderr
disp = not args.no_display
with capture_output(out, err, disp) as io:
self.shell.run_cell(cell)
if args.output:
self.shell.user_ns[args.output] = io
def test_config_print_class():
""" test that config with a classname prints the class's options. """
with capture_output() as captured:
_ip.magic('config TerminalInteractiveShell')
stdout = captured.stdout
if not re.match("TerminalInteractiveShell.* options", stdout.splitlines()[0]):
print(stdout)
raise AssertionError("1st line of stdout not like "
"'TerminalInteractiveShell.* options'")
def test_config_print_class():
""" test that config with a classname prints the class's options. """
with capture_output() as captured:
_ip.magic('config TerminalInteractiveShell')
stdout = captured.stdout
assert re.match(
"TerminalInteractiveShell.* options",
stdout.splitlines()[0]
), f"{stdout}\n\n1st line of stdout not like 'TerminalInteractiveShell.* options'"
def test_config_print_class():
""" test that config with a classname prints the class's options. """
with capture_output() as captured:
_ip.magic('config TerminalInteractiveShell')
stdout = captured.stdout
if not re.match("TerminalInteractiveShell.* options", stdout.splitlines()[0]):
print(stdout)
raise AssertionError("1st line of stdout not like "
"'TerminalInteractiveShell.* options'")
def test_magic_magic():
"""Test %magic"""
ip = get_ipython()
with capture_output() as captured:
ip.magic("magic")
stdout = captured.stdout
nt.assert_in('%magic', stdout)
nt.assert_in('IPython', stdout)
nt.assert_in('Available', stdout)
def test_remoteerror_render_exception(self):
"""RemoteErrors get nice tracebacks"""
view = self.client[-1]
ar = view.execute("1/0")
ip = get_ipython()
ip.user_ns['ar'] = ar
with capture_output() as io:
ip.run_cell("ar.get(2)")
self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout)
def run_py_code():
remember_where = lisp.point()
# check if the line contains \inputminted
lisp.beginning_of_line()
l1 = lisp.point()
lisp.end_of_line()
l2 = lisp.point()
line = lisp.buffer_substring(l1,l2)
# if code comes from file
# get code content from latex
block_begin,block_end,content = get_block_content("```python","```\n")
# we have code content at this point
# scan content to find plt.plot(). if there is, scan buffer
# previous to *here* to determine order of _this_ plt.plot(), and
# give it an appropiate index that will be appended to the end of
# the .png image file, i.e. [buffer name]_[index].png. plt.plot()
# commands will be replaced by the corresponding plt.savefig
# command.
# generate savefig for execution code (no output in emacs yet)
bc = lisp.buffer_string()
plt_count_before = len(re.findall('plt\.savefig\(',bc))
base = os.path.splitext(lisp.buffer_name())[0]
f = '%s_%s.png' % (base, two_digit(plt_count_before+1))
rpl = "plt.savefig('%s')" % f
show_replaced = True if "plt.show()" in content else False
content=content.replace("plt.show()",rpl)
content="plt.figure();\n"+content
include_graphics_command = "" % f
# we have code content at this point
start = time.time()
with capture_output() as io:
res_code = ip.run_cell(content)
res = io.stdout
elapsed = (time.time() - start)
if len(res) > 0:
display_results(block_end, res) # display it
if show_replaced:
lisp.goto_char(block_end)
lisp.forward_line(2) # skip over end verbatim, leave one line emtpy
lisp.insert('\n' + include_graphics_command + '\n')
lisp.scroll_up(1) # skip over end verbatim, leave one line emtpy
lisp.goto_char(remember_where)
lisp.replace_string("plt.show()",rpl,None,block_begin,block_end)
lisp.goto_char(remember_where)
lisp.message("Ran in " + str(elapsed) + " seconds")
def test_display_empty_streams_engine(self):
"""empty stdout/err are not displayed (groupby engine)"""
self.minimum_engines(1)
v = self.client[:]
ar = v.execute("print (5555)")
ar.get(5)
with capture_output() as io:
ar.display_outputs('engine')
self.assertEqual(io.stderr, '')
self.assertEqual(io.stdout.count('5555'), len(v), io.stdout)
self.assertFalse('\n\n' in io.stdout, io.stdout)
self.assertEqual(io.stdout.count('[stdout:'), len(v), io.stdout)
ar = v.execute("a=5")
ar.get(5)
with capture_output() as io:
ar.display_outputs('engine')
self.assertEqual(io.stderr, '')
self.assertEqual(io.stdout, '')
def animate(i):
_plt.clf()
func_kwargs['cutout_kwargs'] = {
'timeRange': time.isel({
time.dims[0]: i
}).values,
'dropAxes': 'time'
}
with _io.capture_output() as captured:
plot_func(od, **func_kwargs)
if 'pbar' in locals(): pbar.update(1)
def test_nowarn_notimplemented():
f = HTMLFormatter()
class HTMLNotImplemented(object):
def _repr_html_(self):
raise NotImplementedError
h = HTMLNotImplemented()
with capture_output() as captured:
result = f(h)
nt.assert_is(result, None)
nt.assert_equal("", captured.stderr)
nt.assert_equal("", captured.stdout)
def test_display_empty_streams_type(self):
"""empty stdout/err are not displayed (groupby type)"""
self.minimum_engines(1)
v = self.client[:]
ar = v.execute("print (5555)")
ar.get(5)
with capture_output() as io:
ar.display_outputs()
self.assertEqual(io.stderr, "")
self.assertEqual(io.stdout.count("5555"), len(v), io.stdout)
self.assertFalse("\n\n" in io.stdout, io.stdout)
self.assertEqual(io.stdout.count("[stdout:"), len(v), io.stdout)
ar = v.execute("a=5")
ar.get(5)
with capture_output() as io:
ar.display_outputs()
self.assertEqual(io.stderr, "")
self.assertEqual(io.stdout, "")
def log_line(self, line):
"""Run the line and add the output to the Olog"""
msg = ">>>{}\n".format(line)
msg += "\n"
with capture_output() as c:
self.shell.run_cell(line)
c.show()
msg += c.stdout
olog(msg)
def run_py_code():
remember_where = lisp.point()
# check if the line contains \inputminted
lisp.beginning_of_line()
l1 = lisp.point()
lisp.end_of_line()
l2 = lisp.point()
line = lisp.buffer_substring(l1, l2)
# if code comes from file
# get code content from latex
block_begin, block_end, content = get_block_content("```python", "```\n")
# we have code content at this point
# scan content to find plt.plot(). if there is, scan buffer
# previous to *here* to determine order of _this_ plt.plot(), and
# give it an appropiate index that will be appended to the end of
# the .png image file, i.e. [buffer name]_[index].png. plt.plot()
# commands will be replaced by the corresponding plt.savefig
# command.
# generate savefig for execution code (no output in emacs yet)
bc = lisp.buffer_string()
plt_count_before = len(re.findall('plt\.savefig\(', bc))
base = os.path.splitext(lisp.buffer_name())[0]
f = '%s_%s.png' % (base, two_digit(plt_count_before + 1))
rpl = "plt.savefig('%s')" % f
show_replaced = True if "plt.show()" in content else False
content = content.replace("plt.show()", rpl)
content = "plt.figure();\n" + content
include_graphics_command = "" % f
# we have code content at this point
start = time.time()
with capture_output() as io:
res_code = get_ip().run_cell(content)
res = io.stdout
elapsed = (time.time() - start)
if len(res) > 0:
display_results(block_end, res) # display it
if show_replaced:
lisp.goto_char(block_end)
lisp.forward_line(2) # skip over end verbatim, leave one line emtpy
lisp.insert('\n' + include_graphics_command + '\n')
lisp.scroll_up(1) # skip over end verbatim, leave one line emtpy
lisp.goto_char(remember_where)
lisp.replace_string("plt.show()", rpl, None, block_begin, block_end)
lisp.goto_char(remember_where)
lisp.message("Ran in " + str(elapsed) + " seconds")
def test_display_empty_streams_engine(self):
"""empty stdout/err are not displayed (groupby engine)"""
self.minimum_engines(1)
v = self.client[:]
ar = v.execute("print (5555)")
ar.get(5)
with capture_output() as io:
ar.display_outputs('engine')
self.assertEqual(io.stderr, '')
self.assertEqual(io.stdout.count('5555'), len(v), io.stdout)
self.assertFalse('\n\n' in io.stdout, io.stdout)
self.assertEqual(io.stdout.count('[stdout:'), len(v), io.stdout)
ar = v.execute("a=5")
ar.get(5)
with capture_output() as io:
ar.display_outputs('engine')
self.assertEqual(io.stderr, '')
self.assertEqual(io.stdout, '')
def tuna(line: str, cell: str | None = None) -> HTML:
ip = get_ipython() # noqa: F821
with tempfile.TemporaryDirectory() as tmp_dir:
prun_fname = f"{tmp_dir}/prun"
prun_line = f"-q -D {prun_fname}"
with capture_output():
ip.run_cell_magic("prun", prun_line,
cell if cell is not None else line)
args = [prun_fname, "-o", tmp_dir, "--no-browser"]
tuna_main(args)
return _display_tuna(tmp_dir)
def test_nowarn_notimplemented():
f = HTMLFormatter()
class HTMLNotImplemented(object):
def _repr_html_(self):
raise NotImplementedError
h = HTMLNotImplemented()
with capture_output() as captured:
result = f(h)
nt.assert_is(result, None)
nt.assert_equal("", captured.stderr)
nt.assert_equal("", captured.stdout)
def test_compositeerror_render_exception(self):
"""CompositeErrors get nice tracebacks"""
view = self.client[:]
ar = view.execute("1/0")
ip = get_ipython()
ip.user_ns['ar'] = ar
with capture_output() as io:
ip.run_cell("ar.get(2)")
self.assertEqual(io.stdout.count('ZeroDivisionError'), len(view) * 2, io.stdout)
self.assertEqual(io.stdout.count('by zero'), len(view), io.stdout)
self.assertEqual(io.stdout.count(':execute'), len(view), io.stdout)
def animate(i):
_plt.clf()
func_kwargs["cutout_kwargs"] = {
"timeRange": time.isel({
time.dims[0]: i
}).values,
"dropAxes": "time",
}
with _io.capture_output() as captured:
plot_func(od, **func_kwargs)
if "pbar" in locals():
pbar.update(1)
def test_sync_imports_quiet(self):
view = self.client[-1]
with capture_output() as io:
with view.sync_imports(quiet=True):
import IPython
self.assertEqual(io.stdout, '')
@interactive
def find_ipython():
return 'IPython' in globals()
assert view.apply_sync(find_ipython)
def test_warn_error_pretty_method():
f = PlainTextFormatter()
class BadPretty(object):
def _repr_pretty_(self):
return "hello"
bad = BadPretty()
with capture_output() as captured:
result = f(bad)
nt.assert_is(result, None)
nt.assert_in("WARNING", captured.stderr)
nt.assert_in("text/plain", captured.stderr)
nt.assert_in("argument", captured.stderr)
def test_error_method():
f = HTMLFormatter()
class BadHTML(object):
def _repr_html_(self):
raise ValueError("Bad HTML")
bad = BadHTML()
with capture_output() as captured:
result = f(bad)
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("Bad HTML", captured.stdout)
nt.assert_in("_repr_html_", captured.stdout)
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)
def test_warn_error_method():
f = HTMLFormatter()
class BadHTML(object):
def _repr_html_(self):
return 1/0
bad = BadHTML()
with capture_output() as captured:
result = f(bad)
nt.assert_is(result, None)
nt.assert_in("WARNING", captured.stderr)
nt.assert_in("text/html", captured.stderr)
nt.assert_in("zero", captured.stderr)
def test_sync_imports(self):
view = self.client[-1]
with capture_output() as io:
with view.sync_imports():
import IPython
self.assertIn("IPython", io.stdout)
@interactive
def find_ipython():
return 'IPython' in globals()
assert view.apply_sync(find_ipython)
def test_error_method():
f = HTMLFormatter()
class BadHTML(object):
def _repr_html_(self):
raise ValueError("Bad HTML")
bad = BadHTML()
with capture_output() as captured:
result = f(bad)
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("Bad HTML", captured.stdout)
nt.assert_in("_repr_html_", captured.stdout)
def test_nowarn_notimplemented():
f = HTMLFormatter()
class HTMLNotImplemented(object):
def _repr_html_(self):
raise NotImplementedError
h = HTMLNotImplemented()
with capture_output() as captured:
result = f(h)
assert result is None
assert "" == captured.stderr
assert "" == captured.stdout
def test_display_output_error(self):
"""display_outputs shows output on error"""
self.minimum_engines(1)
v = self.client[-1]
ar = v.execute("print (5555)\n1/0")
ar.get(5, return_exceptions=True)
ar.wait_for_output(5)
with capture_output() as io:
ar.display_outputs()
self.assertEqual(io.stderr, '')
self.assertEqual('5555\n', io.stdout)
assert 'ZeroDivisionError' not in io.stdout
def test_error_pretty_method():
f = PlainTextFormatter()
class BadPretty(object):
def _repr_pretty_(self):
return "hello"
bad = BadPretty()
with capture_output() as captured:
result = f(bad)
nt.assert_is(result, None)
nt.assert_in("Traceback", captured.stdout)
nt.assert_in("_repr_pretty_", captured.stdout)
nt.assert_in("given", captured.stdout)
nt.assert_in("argument", captured.stdout)
def test_cellpx_stream(self):
"""%%px --stream"""
self.minimum_engines(6)
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', '--stream', 'generate_output()')
print(io.stdout)
print(io.stderr, file=sys.stderr)
assert '\n\n' not in io.stdout
print(io.stdout)
lines = io.stdout.splitlines()
expected = []
expected.extend([
r'\[stdout:\d+\]',
'stdout',
r'\[stdout:\d+\]',
'stdout2',
r'\[output:\d+\]',
r'IPython\.core\.display\.HTML',
r'\[output:\d+\]',
r'IPython\.core\.display\.Math',
r'Out\[\d+:\d+\]:.*IPython\.core\.display\.Math',
] * len(v))
# Check that all expected lines are in the output
self._check_expected_lines_unordered(expected, lines)
assert (len(expected) - len(v) <= len(lines) <= len(expected)
), f"expected {len(expected)} lines, got: {io.stdout}"
# Do the same for stderr
print(io.stderr, file=sys.stderr)
assert '\n\n' not in io.stderr
lines = io.stderr.splitlines()
expected = []
expected.extend([
r'\[stderr:\d+\]',
'stderr',
r'\[stderr:\d+\]',
'stderr2',
] * len(v))
self._check_expected_lines_unordered(expected, lines)
assert (len(expected) - len(v) <= len(lines) <= len(expected)
), f"expected {len(expected)} lines, got: {io.stderr}"
def test_stdout(self):
""" Does the in-process kernel correctly capture IO?
"""
kernel = InProcessKernel()
with capture_output() as io:
kernel.shell.run_cell('print("foo")')
self.assertEqual(io.stdout, 'foo\n')
kc = BlockingInProcessKernelClient(kernel=kernel)
kernel.frontends.append(kc)
kc.shell_channel.execute('print("bar")')
msg = get_stream_message(kc)
self.assertEqual(msg['content']['text'], 'bar\n')
def slack(self, line, cell):
with io.capture_output() as captured:
res = self.shell.run_cell(cell)
print captured
if not captured and not line:
return
self.client.api_call('chat.postMessage',
channel=self.channel,
text='{}\n```\n{}```'.format(
str(line), str(captured)),
parse='full')
def test_bigquery_magic_w_missing_query():
ip = IPython.get_ipython()
ip.extension_manager.load_extension("google.cloud.bigquery")
magics.context._project = None
cell_body = " \n \n \t\t \n "
with io.capture_output() as captured_io:
ip.run_cell_magic("bigquery", "df", cell_body)
output = captured_io.stderr
assert "Could not save output to variable" in output
assert "Query is missing" in output
assert "Traceback (most recent call last)" not in output