Files
jedi/test/test_evaluate/test_sys_path.py

80 lines
3.1 KiB
Python

import os
from glob import glob
import sys
import shutil
import pytest
from jedi.evaluate import sys_path
from jedi import find_virtualenvs
from jedi.api.environment import Environment
def test_paths_from_assignment(Script):
def paths(src):
script = Script(src, path='/foo/bar.py')
expr_stmt = script._get_module_node().children[0]
return set(sys_path._paths_from_assignment(script._get_module(), expr_stmt))
assert paths('sys.path[0:0] = ["a"]') == set(['/foo/a'])
assert paths('sys.path = ["b", 1, x + 3, y, "c"]') == set(['/foo/b', '/foo/c'])
assert paths('sys.path = a = ["a"]') == set(['/foo/a'])
# Fail for complicated examples.
assert paths('sys.path, other = ["a"], 2') == set()
def test_venv_and_pths(tmpdir, environment):
if environment.version_info.major < 3:
pytest.skip("python -m venv does not exist in Python 2")
pjoin = os.path.join
dirname = pjoin(tmpdir.dirname, 'venv')
# Ignore if it fails. It usually fails if it's not able to properly install
# pip. However we don't need that for this test.
executable_path = '/usr/bin/' + os.path.basename(environment._executable)
if not os.path.exists(executable_path):
# Need to not use the path in the virtualenv. Since tox creates
# virtualenvs we cannot reuse them, because they have different site.py
# files that work differently than the default ones.
# Since nobody creates venv's from within virtualenvs (doesn't make
# sense and people are hopefully starting to avoid virtualenv now -
# because it's more complicated than venv), it's the correct approach
# to just use the systems Python directly.
# This doesn't work for windows and others, but I currently don't care.
# Feel free to improve.
pytest.skip()
os.system(executable_path + ' -m venv ' + dirname)
# We cannot find the virtualenv in some cases, because the virtualenv was
# not created correctly.
virtualenv = Environment(dirname, pjoin(dirname, 'bin', 'python'))
CUR_DIR = os.path.dirname(__file__)
site_pkg_path = glob(pjoin(virtualenv._base_path, 'lib', 'python*', 'site-packages'))[0]
shutil.rmtree(site_pkg_path)
shutil.copytree(pjoin(CUR_DIR, 'sample_venvs/pth_directory'), site_pkg_path)
venv_paths = virtualenv.get_sys_path()
ETALON = [
# For now disable egg-links. I have no idea how they work... ~ dave
#pjoin('/path', 'from', 'egg-link'),
#pjoin(site_pkg_path, '.', 'relative', 'egg-link', 'path'),
site_pkg_path,
pjoin(site_pkg_path, 'dir-from-foo-pth'),
'/foo/smth.py:module',
# Not sure why it's added twice. It has to do with site.py which is not
# something we can change. However this obviously also doesn't matter.
'/foo/smth.py:from_func',
'/foo/smth.py:from_func',
]
# Ensure that pth and egg-link paths were added.
assert venv_paths[-len(ETALON):] == ETALON
# Ensure that none of venv dirs leaked to the interpreter.
assert not set(sys.path).intersection(ETALON)