|
|
"""Test embedding of IPython"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2013 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 os
|
|
|
import subprocess
|
|
|
import sys
|
|
|
import nose.tools as nt
|
|
|
from IPython.utils.tempdir import NamedFileInTemporaryDirectory
|
|
|
from IPython.testing.decorators import skip_win32
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Tests
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
_sample_embed = b"""
|
|
|
from __future__ import print_function
|
|
|
import IPython
|
|
|
|
|
|
a = 3
|
|
|
b = 14
|
|
|
print(a, '.', b)
|
|
|
|
|
|
IPython.embed()
|
|
|
|
|
|
print('bye!')
|
|
|
"""
|
|
|
|
|
|
_exit = b"exit\r"
|
|
|
|
|
|
def test_ipython_embed():
|
|
|
"""test that `IPython.embed()` works"""
|
|
|
with NamedFileInTemporaryDirectory('file_with_embed.py') as f:
|
|
|
f.write(_sample_embed)
|
|
|
f.flush()
|
|
|
f.close() # otherwise msft won't be able to read the file
|
|
|
|
|
|
# run `python file_with_embed.py`
|
|
|
cmd = [sys.executable, f.name]
|
|
|
env = os.environ.copy()
|
|
|
env['IPY_TEST_SIMPLE_PROMPT'] = '1'
|
|
|
|
|
|
p = subprocess.Popen(cmd, env=env, stdin=subprocess.PIPE,
|
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
|
out, err = p.communicate(_exit)
|
|
|
std = out.decode('UTF-8')
|
|
|
|
|
|
nt.assert_equal(p.returncode, 0)
|
|
|
nt.assert_in('3 . 14', std)
|
|
|
if os.name != 'nt':
|
|
|
# TODO: Fix up our different stdout references, see issue gh-14
|
|
|
nt.assert_in('IPython', std)
|
|
|
nt.assert_in('bye!', std)
|
|
|
|
|
|
@skip_win32
|
|
|
def test_nest_embed():
|
|
|
"""test that `IPython.embed()` is nestable"""
|
|
|
import pexpect
|
|
|
ipy_prompt = r']:' #ansi color codes give problems matching beyond this
|
|
|
env = os.environ.copy()
|
|
|
env['IPY_TEST_SIMPLE_PROMPT'] = '1'
|
|
|
|
|
|
|
|
|
child = pexpect.spawn(sys.executable, ['-m', 'IPython', '--colors=nocolor'],
|
|
|
env=env)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("from __future__ import print_function")
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("import IPython")
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("ip0 = get_ipython()")
|
|
|
#enter first nested embed
|
|
|
child.sendline("IPython.embed()")
|
|
|
#skip the banner until we get to a prompt
|
|
|
try:
|
|
|
prompted = -1
|
|
|
while prompted != 0:
|
|
|
prompted = child.expect([ipy_prompt, '\r\n'])
|
|
|
except pexpect.TIMEOUT as e:
|
|
|
print(e)
|
|
|
#child.interact()
|
|
|
child.sendline("embed1 = get_ipython()"); child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if embed1 is not ip0 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
#enter second nested embed
|
|
|
child.sendline("IPython.embed()")
|
|
|
#skip the banner until we get to a prompt
|
|
|
try:
|
|
|
prompted = -1
|
|
|
while prompted != 0:
|
|
|
prompted = child.expect([ipy_prompt, '\r\n'])
|
|
|
except pexpect.TIMEOUT as e:
|
|
|
print(e)
|
|
|
#child.interact()
|
|
|
child.sendline("embed2 = get_ipython()"); child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if embed2 is not embed1 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if embed2 is IPython.get_ipython() else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline('exit')
|
|
|
#back at first embed
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if get_ipython() is embed1 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline('exit')
|
|
|
#back at launching scope
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if get_ipython() is ip0 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline("print('true' if IPython.get_ipython() is ip0 else 'false')")
|
|
|
assert(child.expect(['true\r\n', 'false\r\n']) == 0)
|
|
|
child.expect(ipy_prompt)
|
|
|
child.sendline('exit')
|
|
|
child.close()
|
|
|
|
