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import types
import sys
import builtins
import os
import pytest
import pathlib
import shutil
from .testing import tools
def get_ipython():
from .terminal.interactiveshell import TerminalInteractiveShell
if TerminalInteractiveShell._instance:
return TerminalInteractiveShell.instance()
config = tools.default_config()
config.TerminalInteractiveShell.simple_prompt = True
# Create and initialize our test-friendly IPython instance.
shell = TerminalInteractiveShell.instance(config=config)
return shell
@pytest.fixture(scope='session', autouse=True)
def work_path():
path = pathlib.Path("./tmp-ipython-pytest-profiledir")
os.environ["IPYTHONDIR"] = str(path.absolute())
if path.exists():
raise ValueError('IPython dir temporary path already exists ! Did previous test run exit successfully ?')
path.mkdir()
yield
shutil.rmtree(str(path.resolve()))
def nopage(strng, start=0, screen_lines=0, pager_cmd=None):
if isinstance(strng, dict):
strng = strng.get("text/plain", "")
print(strng)
def xsys(self, cmd):
"""Replace the default system call with a capturing one for doctest.
"""
# We use getoutput, but we need to strip it because pexpect captures
# the trailing newline differently from commands.getoutput
print(self.getoutput(cmd, split=False, depth=1).rstrip(), end="", file=sys.stdout)
sys.stdout.flush()
# for things to work correctly we would need this as a session fixture;
# unfortunately this will fail on some test that get executed as _collection_
# time (before the fixture run), in particular parametrized test that contain
# yields. so for now execute at import time.
#@pytest.fixture(autouse=True, scope='session')
def inject():
builtins.get_ipython = get_ipython
builtins._ip = get_ipython()
builtins.ip = get_ipython()
builtins.ip.system = types.MethodType(xsys, ip)
builtins.ip.builtin_trap.activate()
from .core import page
page.pager_page = nopage
# yield
inject()
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