forked from VimPlug/jedi
91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
import os
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from glob import glob
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import sys
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import shutil
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import subprocess
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import pytest
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from jedi.evaluate import sys_path
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from jedi import find_virtualenvs
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from jedi.api.environment import Environment
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def test_paths_from_assignment(Script):
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def paths(src):
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script = Script(src, path='/foo/bar.py')
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expr_stmt = script._module_node.children[0]
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return set(sys_path._paths_from_assignment(script._get_module(), expr_stmt))
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# Normalize paths for Windows.
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path_a = os.path.abspath('/foo/a')
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path_b = os.path.abspath('/foo/b')
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path_c = os.path.abspath('/foo/c')
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assert paths('sys.path[0:0] = ["a"]') == {path_a}
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assert paths('sys.path = ["b", 1, x + 3, y, "c"]') == {path_b, path_c}
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assert paths('sys.path = a = ["a"]') == {path_a}
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# Fail for complicated examples.
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assert paths('sys.path, other = ["a"], 2') == set()
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def test_venv_and_pths(tmpdir, environment):
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if environment.version_info.major < 3:
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pytest.skip("python -m venv does not exist in Python 2")
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pjoin = os.path.join
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dirname = pjoin(tmpdir.dirname, 'venv')
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# We cannot use the Python from tox because tox creates virtualenvs and they
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# have different site.py files that work differently than the default ones.
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# Instead, we find the real Python executable by printing the value of
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# sys.base_prefix or sys.real_prefix if we are in a virtualenv.
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output = subprocess.check_output([
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environment._executable, "-c",
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"import sys; "
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"print(sys.real_prefix if hasattr(sys, 'real_prefix') else "
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"sys.base_prefix)"
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])
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prefix = output.rstrip().decode('utf8')
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if os.name == 'nt':
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executable_path = os.path.join(prefix, 'python')
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else:
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executable_name = os.path.basename(environment._executable)
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executable_path = os.path.join(prefix, 'bin', executable_name)
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subprocess.call([executable_path, '-m', 'venv', dirname])
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bin_name = 'Scripts' if os.name == 'nt' else 'bin'
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virtualenv = Environment(dirname, pjoin(dirname, bin_name, 'python'))
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CUR_DIR = os.path.dirname(__file__)
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site_pkg_path = pjoin(virtualenv._base_path, 'lib')
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if os.name == 'nt':
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site_pkg_path = pjoin(site_pkg_path, 'site-packages')
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else:
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site_pkg_path = glob(pjoin(site_pkg_path, 'python*', 'site-packages'))[0]
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shutil.rmtree(site_pkg_path)
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shutil.copytree(pjoin(CUR_DIR, 'sample_venvs', 'pth_directory'), site_pkg_path)
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venv_paths = virtualenv.get_sys_path()
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ETALON = [
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# For now disable egg-links. I have no idea how they work... ~ dave
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#pjoin('/path', 'from', 'egg-link'),
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#pjoin(site_pkg_path, '.', 'relative', 'egg-link', 'path'),
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site_pkg_path,
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pjoin(site_pkg_path, 'dir-from-foo-pth'),
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'/foo/smth.py:module',
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# Not sure why it's added twice. It has to do with site.py which is not
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# something we can change. However this obviously also doesn't matter.
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'/foo/smth.py:from_func',
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'/foo/smth.py:from_func',
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]
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# Ensure that pth and egg-link paths were added.
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assert venv_paths[-len(ETALON):] == ETALON
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# Ensure that none of venv dirs leaked to the interpreter.
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assert not set(sys.path).intersection(ETALON)
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