forked from pytest-dev/pytest
/
pythonpath.py
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/
pythonpath.py
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import sys
import pytest
from _pytest.deprecated import PYTHON_PATHS_INI
from _pytest.deprecated import SITE_DIRS_INI
from pytest import Config
from pytest import Parser
def pytest_addoption(parser: Parser) -> None:
parser.addini("pythonpath", type="paths", help="Add paths to sys.path", default=[])
parser.addini(
"python_paths", type="paths", help="Deprecated alias for pythonpath", default=[]
)
parser.addini(
"site_dirs",
type="paths",
help="Deprecated: directory paths to add to via site.addsitedir(path)",
default=[],
)
@pytest.hookimpl(tryfirst=True)
def pytest_load_initial_conftests(early_config: Config) -> None:
pythonpath = early_config.getini("pythonpath")
python_paths = early_config.getini("python_paths")
if python_paths:
early_config.issue_config_time_warning(PYTHON_PATHS_INI, 2)
if not pythonpath:
pythonpath = python_paths
# `pythonpath = a b` will set `sys.path` to `[a, b, x, y, z, ...]`
for path in reversed(pythonpath):
sys.path.insert(0, str(path))
site_dirs = early_config.getini("site_dirs")
if site_dirs:
early_config.issue_config_time_warning(SITE_DIRS_INI, 2)
import site
for path in site_dirs:
site.addsitedir(str(path))
@pytest.hookimpl(trylast=True)
def pytest_unconfigure(config: Config) -> None:
pythonpath = config.getini("pythonpath")
python_paths = config.getini("python_paths")
if python_paths and not pythonpath:
pythonpath = python_paths
for path in pythonpath:
path_str = str(path)
if path_str in sys.path:
sys.path.remove(path_str)