mirror of https://github.com/pypa/pip
475 lines
15 KiB
Python
475 lines
15 KiB
Python
import itertools
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import os
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import sys
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import textwrap
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import pytest
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from tests.lib import pyversion # noqa: F401
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from tests.lib import assert_all_changes
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from tests.lib.local_repos import local_checkout
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from tests.lib.wheel import make_wheel
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@pytest.mark.network
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def test_no_upgrade_unless_requested(script):
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"""
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No upgrade if not specifically requested.
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"""
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script.pip('install', 'INITools==0.1')
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result = script.pip('install', 'INITools')
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assert not result.files_created, (
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'pip install INITools upgraded when it should not have'
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)
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def test_invalid_upgrade_strategy_causes_error(script):
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"""
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It errors out when the upgrade-strategy is an invalid/unrecognised one
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"""
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result = script.pip_install_local(
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'--upgrade', '--upgrade-strategy=bazinga', 'simple',
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expect_error=True
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)
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assert result.returncode
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assert "invalid choice" in result.stderr
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def test_only_if_needed_does_not_upgrade_deps_when_satisfied(
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script,
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use_new_resolver,
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with_wheel
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):
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"""
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It doesn't upgrade a dependency if it already satisfies the requirements.
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"""
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script.pip_install_local('simple==2.0')
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result = script.pip_install_local(
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'--upgrade', '--upgrade-strategy=only-if-needed', 'require_simple'
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)
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assert (
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(script.site_packages / 'require_simple-1.0.dist-info')
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not in result.files_deleted
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), "should have installed require_simple==1.0"
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assert (
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(script.site_packages / 'simple-2.0.dist-info')
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not in result.files_deleted
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), "should not have uninstalled simple==2.0"
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msg = "Requirement already satisfied"
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if not use_new_resolver:
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msg = msg + ", skipping upgrade: simple"
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assert (
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msg in result.stdout
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), "did not print correct message for not-upgraded requirement"
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def test_only_if_needed_does_upgrade_deps_when_no_longer_satisfied(
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script, with_wheel
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):
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"""
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It does upgrade a dependency if it no longer satisfies the requirements.
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"""
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script.pip_install_local('simple==1.0')
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result = script.pip_install_local(
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'--upgrade', '--upgrade-strategy=only-if-needed', 'require_simple'
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)
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assert (
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(script.site_packages / 'require_simple-1.0.dist-info')
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not in result.files_deleted
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), "should have installed require_simple==1.0"
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expected = (
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script.site_packages /
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'simple-3.0.dist-info'
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)
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result.did_create(expected, message="should have installed simple==3.0")
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expected = (
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script.site_packages /
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'simple-1.0.dist-info'
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)
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assert (
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expected in result.files_deleted
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), "should have uninstalled simple==1.0"
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def test_eager_does_upgrade_dependecies_when_currently_satisfied(
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script, with_wheel
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):
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"""
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It does upgrade a dependency even if it already satisfies the requirements.
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"""
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script.pip_install_local('simple==2.0')
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result = script.pip_install_local(
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'--upgrade', '--upgrade-strategy=eager', 'require_simple'
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)
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assert (
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(script.site_packages /
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'require_simple-1.0.dist-info')
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not in result.files_deleted
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), "should have installed require_simple==1.0"
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assert (
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(script.site_packages /
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'simple-2.0.dist-info')
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in result.files_deleted
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), "should have uninstalled simple==2.0"
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def test_eager_does_upgrade_dependecies_when_no_longer_satisfied(
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script, with_wheel
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):
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"""
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It does upgrade a dependency if it no longer satisfies the requirements.
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"""
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script.pip_install_local('simple==1.0')
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result = script.pip_install_local(
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'--upgrade', '--upgrade-strategy=eager', 'require_simple'
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)
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assert (
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(script.site_packages / 'require_simple-1.0.dist-info')
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not in result.files_deleted
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), "should have installed require_simple==1.0"
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result.did_create(
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script.site_packages / 'simple-3.0.dist-info',
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message="should have installed simple==3.0"
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)
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assert (
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script.site_packages / 'simple-1.0.dist-info'
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in result.files_deleted
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), "should have uninstalled simple==1.0"
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@pytest.mark.network
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def test_upgrade_to_specific_version(script, with_wheel):
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"""
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It does upgrade to specific version requested.
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"""
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script.pip('install', 'INITools==0.1')
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result = script.pip('install', 'INITools==0.2')
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assert result.files_created, (
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'pip install with specific version did not upgrade'
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)
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assert (
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script.site_packages / 'INITools-0.1.dist-info'
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in result.files_deleted
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)
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result.did_create(
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script.site_packages / 'INITools-0.2.dist-info'
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)
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@pytest.mark.network
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def test_upgrade_if_requested(script, with_wheel):
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"""
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And it does upgrade if requested.
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"""
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script.pip('install', 'INITools==0.1')
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result = script.pip('install', '--upgrade', 'INITools')
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assert result.files_created, 'pip install --upgrade did not upgrade'
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result.did_not_create(
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script.site_packages /
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'INITools-0.1.dist-info'
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)
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def test_upgrade_with_newest_already_installed(script, data, use_new_resolver):
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"""
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If the newest version of a package is already installed, the package should
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not be reinstalled and the user should be informed.
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"""
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script.pip('install', '-f', data.find_links, '--no-index', 'simple')
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result = script.pip(
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'install', '--upgrade', '-f', data.find_links, '--no-index', 'simple'
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)
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assert not result.files_created, 'simple upgraded when it should not have'
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if use_new_resolver:
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msg = "Requirement already satisfied"
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else:
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msg = "already up-to-date"
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assert msg in result.stdout, result.stdout
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@pytest.mark.network
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def test_upgrade_force_reinstall_newest(script):
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"""
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Force reinstallation of a package even if it is already at its newest
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version if --force-reinstall is supplied.
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"""
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result = script.pip('install', 'INITools')
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result.did_create(script.site_packages / 'initools')
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result2 = script.pip(
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'install', '--upgrade', '--force-reinstall', 'INITools'
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)
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assert result2.files_updated, 'upgrade to INITools 0.3 failed'
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result3 = script.pip('uninstall', 'initools', '-y')
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assert_all_changes(result, result3, [script.venv / 'build', 'cache'])
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@pytest.mark.network
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def test_uninstall_before_upgrade(script):
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"""
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Automatic uninstall-before-upgrade.
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"""
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result = script.pip('install', 'INITools==0.2')
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result.did_create(script.site_packages / 'initools')
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result2 = script.pip('install', 'INITools==0.3')
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assert result2.files_created, 'upgrade to INITools 0.3 failed'
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result3 = script.pip('uninstall', 'initools', '-y')
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assert_all_changes(result, result3, [script.venv / 'build', 'cache'])
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@pytest.mark.network
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def test_uninstall_before_upgrade_from_url(script):
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"""
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Automatic uninstall-before-upgrade from URL.
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"""
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result = script.pip('install', 'INITools==0.2')
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result.did_create(script.site_packages / 'initools')
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result2 = script.pip(
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'install',
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'https://files.pythonhosted.org/packages/source/I/INITools/INITools-'
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'0.3.tar.gz',
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)
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assert result2.files_created, 'upgrade to INITools 0.3 failed'
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result3 = script.pip('uninstall', 'initools', '-y')
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assert_all_changes(result, result3, [script.venv / 'build', 'cache'])
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@pytest.mark.network
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def test_upgrade_to_same_version_from_url(script):
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"""
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When installing from a URL the same version that is already installed, no
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need to uninstall and reinstall if --upgrade is not specified.
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"""
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result = script.pip('install', 'INITools==0.3')
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result.did_create(script.site_packages / 'initools')
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result2 = script.pip(
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'install',
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'https://files.pythonhosted.org/packages/source/I/INITools/INITools-'
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'0.3.tar.gz',
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)
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assert script.site_packages / 'initools' not in result2.files_updated, (
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'INITools 0.3 reinstalled same version'
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)
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result3 = script.pip('uninstall', 'initools', '-y')
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assert_all_changes(result, result3, [script.venv / 'build', 'cache'])
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@pytest.mark.network
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def test_upgrade_from_reqs_file(script):
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"""
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Upgrade from a requirements file.
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"""
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script.scratch_path.joinpath("test-req.txt").write_text(textwrap.dedent("""\
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PyLogo<0.4
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# and something else to test out:
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INITools==0.3
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"""))
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install_result = script.pip(
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'install', '-r', script.scratch_path / 'test-req.txt'
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)
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script.scratch_path.joinpath("test-req.txt").write_text(textwrap.dedent("""\
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PyLogo
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# and something else to test out:
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INITools
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"""))
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script.pip(
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'install', '--upgrade', '-r', script.scratch_path / 'test-req.txt'
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)
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uninstall_result = script.pip(
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'uninstall', '-r', script.scratch_path / 'test-req.txt', '-y'
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)
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assert_all_changes(
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install_result,
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uninstall_result,
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[script.venv / 'build', 'cache', script.scratch / 'test-req.txt'],
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)
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def test_uninstall_rollback(script, data):
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"""
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Test uninstall-rollback (using test package with a setup.py
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crafted to fail on install).
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"""
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result = script.pip(
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'install', '-f', data.find_links, '--no-index', 'broken==0.1'
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)
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result.did_create(script.site_packages / 'broken.py')
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result2 = script.pip(
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'install', '-f', data.find_links, '--no-index', 'broken===0.2broken',
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expect_error=True,
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)
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assert result2.returncode == 1, str(result2)
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assert script.run(
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'python', '-c', "import broken; print(broken.VERSION)"
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).stdout == '0.1\n'
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assert_all_changes(
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result.files_after,
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result2,
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[script.venv / 'build'],
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)
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@pytest.mark.network
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def test_should_not_install_always_from_cache(script, with_wheel):
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"""
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If there is an old cached package, pip should download the newer version
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Related to issue #175
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"""
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script.pip('install', 'INITools==0.2')
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script.pip('uninstall', '-y', 'INITools')
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result = script.pip('install', 'INITools==0.1')
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result.did_not_create(
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script.site_packages /
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'INITools-0.2.dist-info'
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)
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result.did_create(
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script.site_packages /
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'INITools-0.1.dist-info'
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)
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@pytest.mark.network
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def test_install_with_ignoreinstalled_requested(script, with_wheel):
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"""
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Test old conflicting package is completely ignored
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"""
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script.pip('install', 'INITools==0.1')
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result = script.pip('install', '-I', 'INITools==0.3')
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assert result.files_created, 'pip install -I did not install'
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# both the old and new metadata should be present.
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assert os.path.exists(
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script.site_packages_path /
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'INITools-0.1.dist-info'
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)
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assert os.path.exists(
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script.site_packages_path /
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'INITools-0.3.dist-info'
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)
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@pytest.mark.network
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def test_upgrade_vcs_req_with_no_dists_found(script, tmpdir):
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"""It can upgrade a VCS requirement that has no distributions otherwise."""
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req = "{checkout}#egg=pip-test-package".format(
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checkout=local_checkout(
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"git+https://github.com/pypa/pip-test-package.git", tmpdir,
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)
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)
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script.pip("install", req)
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result = script.pip("install", "-U", req)
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assert not result.returncode
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@pytest.mark.network
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def test_upgrade_vcs_req_with_dist_found(script):
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"""It can upgrade a VCS requirement that has distributions on the index."""
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# TODO(pnasrat) Using local_checkout fails on windows - oddness with the
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# test path urls/git.
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req = (
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"{url}#egg=pretend".format(
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url=(
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"git+git://github.com/alex/pretend@e7f26ad7dbcb4a02a4995aade4"
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"743aad47656b27"
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),
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)
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)
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script.pip("install", req, expect_stderr=True)
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result = script.pip("install", "-U", req, expect_stderr=True)
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assert "pypi.org" not in result.stdout, result.stdout
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class TestUpgradeDistributeToSetuptools(object):
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"""
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From pip1.4 to pip6, pip supported a set of "hacks" (see Issue #1122) to
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allow distribute to conflict with setuptools, so that the following would
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work to upgrade distribute:
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``pip install -U setuptools``
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In pip7, the hacks were removed. This test remains to at least confirm pip
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can upgrade distribute to setuptools using:
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``pip install -U distribute``
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The reason this works is that a final version of distribute (v0.7.3) was
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released that is simple wrapper with:
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install_requires=['setuptools>=0.7']
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The test use a fixed set of packages from our test packages dir. Note that
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virtualenv-1.9.1 contains distribute-0.6.34 and virtualenv-1.10 contains
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setuptools-0.9.7
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"""
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def prep_ve(self, script, version, pip_src, distribute=False):
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self.script = script
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self.script.pip_install_local(
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'virtualenv=={version}'.format(**locals()))
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args = ['virtualenv', self.script.scratch_path / 'VE']
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if distribute:
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args.insert(1, '--distribute')
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if version == "1.9.1" and not distribute:
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# setuptools 0.6 didn't support PYTHONDONTWRITEBYTECODE
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del self.script.environ["PYTHONDONTWRITEBYTECODE"]
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self.script.run(*args)
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if sys.platform == 'win32':
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bindir = "Scripts"
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else:
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bindir = "bin"
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self.ve_bin = self.script.scratch_path / 'VE' / bindir
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self.script.run(self.ve_bin / 'pip', 'uninstall', '-y', 'pip')
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self.script.run(
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self.ve_bin / 'python', 'setup.py', 'install',
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cwd=pip_src,
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expect_stderr=True,
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)
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@pytest.mark.parametrize("req1, req2", list(itertools.product(
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["foo.bar", "foo_bar", "foo-bar"], ["foo.bar", "foo_bar", "foo-bar"],
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)))
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def test_install_find_existing_package_canonicalize(script, req1, req2):
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"""Ensure an already-installed dist is found no matter how the dist name
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was normalized on installation. (pypa/pip#8645)
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"""
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# Create and install a package that's not available in the later stage.
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req_container = script.scratch_path.joinpath("foo-bar")
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req_container.mkdir()
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req_path = make_wheel("foo_bar", "1.0").save_to_dir(req_container)
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script.pip("install", "--no-index", req_path)
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# Depend on the previously installed, but now unavailable package.
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pkg_container = script.scratch_path.joinpath("pkg")
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pkg_container.mkdir()
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make_wheel(
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"pkg",
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"1.0",
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metadata_updates={"Requires-Dist": req2},
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).save_to_dir(pkg_container)
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# Ensure the previously installed package can be correctly used to match
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# the dependency.
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result = script.pip(
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"install", "--no-index", "--find-links", pkg_container, "pkg",
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)
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satisfied_message = "Requirement already satisfied: {}".format(req2)
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assert satisfied_message in result.stdout, str(result)
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