mirror of
https://github.com/pypa/pip
synced 2023-12-13 21:30:23 +01:00
09a7f271c7
These are the only cases where backtracking can happen. This approach also accounts for VCS requirements relying on the same ensure function to do cloning :/
111 lines
4 KiB
Python
111 lines
4 KiB
Python
import os
|
|
import tempfile
|
|
|
|
import pytest
|
|
from pip._vendor.packaging.requirements import Requirement
|
|
|
|
from pip._internal.exceptions import InstallationError
|
|
from pip._internal.req.constructors import (
|
|
install_req_from_line,
|
|
install_req_from_req_string,
|
|
)
|
|
from pip._internal.req.req_install import InstallRequirement
|
|
|
|
|
|
class TestInstallRequirementBuildDirectory(object):
|
|
# no need to test symlinks on Windows
|
|
@pytest.mark.skipif("sys.platform == 'win32'")
|
|
def test_tmp_build_directory(self):
|
|
# when req is None, we can produce a temporary directory
|
|
# Make sure we're handling it correctly with real path.
|
|
requirement = InstallRequirement(None, None)
|
|
tmp_dir = tempfile.mkdtemp('-build', 'pip-')
|
|
tmp_build_dir = requirement.ensure_build_location(
|
|
tmp_dir, autodelete=False, parallel_builds=False,
|
|
)
|
|
assert (
|
|
os.path.dirname(tmp_build_dir) ==
|
|
os.path.realpath(os.path.dirname(tmp_dir))
|
|
)
|
|
# are we on a system where /tmp is a symlink
|
|
if os.path.realpath(tmp_dir) != os.path.abspath(tmp_dir):
|
|
assert os.path.dirname(tmp_build_dir) != os.path.dirname(tmp_dir)
|
|
else:
|
|
assert os.path.dirname(tmp_build_dir) == os.path.dirname(tmp_dir)
|
|
os.rmdir(tmp_dir)
|
|
assert not os.path.exists(tmp_dir)
|
|
|
|
def test_forward_slash_results_in_a_link(self, tmpdir):
|
|
install_dir = tmpdir / "foo" / "bar"
|
|
|
|
# Just create a file for letting the logic work
|
|
setup_py_path = install_dir / "setup.py"
|
|
os.makedirs(str(install_dir))
|
|
with open(setup_py_path, 'w') as f:
|
|
f.write('')
|
|
|
|
requirement = install_req_from_line(
|
|
str(install_dir).replace(os.sep, os.altsep or os.sep)
|
|
)
|
|
|
|
assert requirement.link is not None
|
|
|
|
|
|
class TestInstallRequirementFrom(object):
|
|
|
|
def test_install_req_from_string_invalid_requirement(self):
|
|
"""
|
|
Requirement strings that cannot be parsed by
|
|
packaging.requirements.Requirement raise an InstallationError.
|
|
"""
|
|
with pytest.raises(InstallationError) as excinfo:
|
|
install_req_from_req_string("http:/this/is/invalid")
|
|
|
|
assert str(excinfo.value) == (
|
|
"Invalid requirement: 'http:/this/is/invalid'"
|
|
)
|
|
|
|
def test_install_req_from_string_without_comes_from(self):
|
|
"""
|
|
Test to make sure that install_req_from_string succeeds
|
|
when called with URL (PEP 508) but without comes_from.
|
|
"""
|
|
# Test with a PEP 508 url install string:
|
|
wheel_url = ("https://download.pytorch.org/whl/cu90/"
|
|
"torch-1.0.0-cp36-cp36m-win_amd64.whl")
|
|
install_str = "torch@ " + wheel_url
|
|
install_req = install_req_from_req_string(install_str)
|
|
|
|
assert isinstance(install_req, InstallRequirement)
|
|
assert install_req.link.url == wheel_url
|
|
assert install_req.req.url == wheel_url
|
|
assert install_req.comes_from is None
|
|
assert install_req.is_wheel
|
|
|
|
def test_install_req_from_string_with_comes_from_without_link(self):
|
|
"""
|
|
Test to make sure that install_req_from_string succeeds
|
|
when called with URL (PEP 508) and comes_from
|
|
does not have a link.
|
|
"""
|
|
# Test with a PEP 508 url install string:
|
|
wheel_url = ("https://download.pytorch.org/whl/cu90/"
|
|
"torch-1.0.0-cp36-cp36m-win_amd64.whl")
|
|
install_str = "torch@ " + wheel_url
|
|
|
|
# Dummy numpy "comes_from" requirement without link:
|
|
comes_from = InstallRequirement(
|
|
Requirement("numpy>=1.15.0"), comes_from=None
|
|
)
|
|
|
|
# Attempt install from install string comes:
|
|
install_req = install_req_from_req_string(
|
|
install_str, comes_from=comes_from
|
|
)
|
|
|
|
assert isinstance(install_req, InstallRequirement)
|
|
assert install_req.comes_from.link is None
|
|
assert install_req.link.url == wheel_url
|
|
assert install_req.req.url == wheel_url
|
|
assert install_req.is_wheel
|