ce4badd488
Update pip, setuptools, and wheel in the virtual environment before installing dependencies as recommended by the Python documentation. This should help avoid failures when only source distributions are available for a package and pip attempts to build a wheel locally.
106 lines
3.2 KiB
Go
106 lines
3.2 KiB
Go
// Copyright 2016-2020, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package python
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestIsVirtualEnv(t *testing.T) {
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// Create a new empty test directory.
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tempdir, _ := ioutil.TempDir("", "test-env")
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defer os.RemoveAll(tempdir)
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// Assert the empty test directory is not a virtual environment.
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assert.False(t, IsVirtualEnv(tempdir))
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// Create and run a python command to create a virtual environment.
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venvDir := filepath.Join(tempdir, "venv")
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cmd, err := Command("-m", "venv", venvDir)
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assert.NoError(t, err)
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err = cmd.Run()
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assert.NoError(t, err)
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// Assert the new venv directory is a virtual environment.
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assert.True(t, IsVirtualEnv(venvDir))
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}
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func TestActivateVirtualEnv(t *testing.T) {
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venvName := "venv"
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venvDir := filepath.Join(venvName, "bin")
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if runtime.GOOS == windows {
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venvDir = filepath.Join(venvName, "Scripts")
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}
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tests := []struct {
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input []string
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expected []string
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}{
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{
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input: []string{"PYTHONHOME=foo", "PATH=bar", "FOO=blah"},
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expected: []string{fmt.Sprintf("PATH=%s%sbar", venvDir, string(os.PathListSeparator)), "FOO=blah"},
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},
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{
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input: []string{"PYTHONHOME=foo", "FOO=blah"},
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expected: []string{"FOO=blah", fmt.Sprintf("PATH=%s", venvDir)},
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},
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}
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for _, test := range tests {
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t.Run(fmt.Sprintf("%#v", test.input), func(t *testing.T) {
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actual := ActivateVirtualEnv(test.input, venvName)
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assert.Equal(t, test.expected, actual)
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})
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}
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}
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func TestRunningPipInVirtualEnvironment(t *testing.T) {
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// Skip during short test runs since this test involves downloading dependencies.
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if testing.Short() {
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t.Skip("Skipped in short test run")
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}
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// Create a new empty test directory.
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tempdir, _ := ioutil.TempDir("", "test-env")
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defer os.RemoveAll(tempdir)
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// Create and run a python command to create a virtual environment.
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venvDir := filepath.Join(tempdir, "venv")
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cmd, err := Command("-m", "venv", venvDir)
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assert.NoError(t, err)
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err = cmd.Run()
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assert.NoError(t, err)
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// Create a requirements.txt file in the temp directory.
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requirementsFile := filepath.Join(tempdir, "requirements.txt")
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assert.NoError(t, ioutil.WriteFile(requirementsFile, []byte("pulumi==2.0.0\n"), 0600))
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// Create a command to run pip from the virtual environment.
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pipCmd := VirtualEnvCommand(venvDir, "python", "-m", "pip", "install", "-r", "requirements.txt")
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pipCmd.Dir = tempdir
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pipCmd.Env = ActivateVirtualEnv(os.Environ(), venvDir)
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// Run the command.
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if output, err := pipCmd.CombinedOutput(); err != nil {
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assert.Failf(t, "pip install command failed with output: %s", string(output))
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}
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}
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