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#!/usr/bin/env python
# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
# This script contains helper functions to work with the third_party subrepo.
import os
import re
import site
import sys
from tempfile import mkdtemp
from util import add_env_path, executable_suffix, libdeno_path, make_env, rmtree
from util import root_path, run, third_party_path
depot_tools_path = os.path.join(third_party_path, "depot_tools")
prebuilt_path = os.path.join(third_party_path, "prebuilt")
python_packages_path = os.path.join(third_party_path, "python_packages")
python_site_env = None
# Creates/modifies an environment so python can find packages that are bundled
# in the 'third_party' directory.
def python_env(env=None, merge_env=None):
if merge_env is None:
merge_env = {}
global python_site_env
# Use site.addsitedir() to determine which search paths would be considered
# if 'third_party/python_packages' was a site-packages directory.
# PATH is also updated, so windows can find the DLLs that ship with pywin32.
if python_site_env is None:
python_site_env = {}
temp = os.environ["PATH"], sys.path
os.environ["PATH"], sys.path = "", []
site.addsitedir(os.path.join(libdeno_path,
"build")) # Modifies PATH and sys.path.
site.addsitedir(python_packages_path) # Modifies PATH and sys.path.
python_site_env = {"PATH": os.environ["PATH"], "PYTHONPATH": sys.path}
os.environ["PATH"], sys.path = temp
# Make a new environment object.
env = make_env(env=env, merge_env=merge_env)
# Apply PATH and PYTHONPATH from the site-packages environment.
add_env_path(python_site_env["PATH"], env=env, key="PATH")
add_env_path(python_site_env["PYTHONPATH"], env=env, key="PYTHONPATH")
return env
# Run Yarn to install JavaScript dependencies.
def run_yarn():
node_modules_path = os.path.join(third_party_path, "node_modules")
# Note to keep the root directory clean, we keep package.json is in tools/.
run([
"yarn", "install", "--no-lockfile",
"--modules-folder=" + node_modules_path
],
cwd=os.path.join(root_path, "tools"))
# Install python packages with pip.
def run_pip():
# Install an recent version of pip into a temporary directory. The version
# that is bundled with python is too old to support the next step.
temp_python_home = mkdtemp()
pip_env = {"PYTHONUSERBASE": temp_python_home}
run([sys.executable, "-m", "pip", "install", "--upgrade", "--user", "pip"],
cwd=third_party_path,
merge_env=pip_env)
# Install pywin32.
run([
sys.executable, "-m", "pip", "install", "--upgrade", "--target",
python_packages_path, "--platform=win_amd64", "--only-binary=:all:",
"pypiwin32"
],
cwd=third_party_path,
merge_env=pip_env)
# Get yapf.
run([
sys.executable, "-m", "pip", "install", "--upgrade", "--target",
python_packages_path, "yapf"
],
cwd=third_party_path,
merge_env=pip_env)
run([
sys.executable, "-m", "pip", "install", "--upgrade", "--target",
python_packages_path, "pylint==1.5.6"
],
cwd=third_party_path,
merge_env=pip_env)
# Remove the temporary pip installation.
rmtree(temp_python_home)
def get_platform_dir_name():
if sys.platform == "win32":
return "win"
elif sys.platform == "darwin":
return "mac"
elif sys.platform.startswith("linux"):
return "linux64"
def get_prebuilt_tool_path(tool):
return os.path.join(prebuilt_path, get_platform_dir_name(),
tool + executable_suffix)
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