mirror of
https://github.com/denoland/deno.git
synced 2024-12-22 15:24:46 -05:00
246 lines
8.9 KiB
Python
246 lines
8.9 KiB
Python
#!/usr/bin/env python
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# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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# This script contains helper functions to work with the third_party subrepo.
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import os
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import site
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import sys
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from os import path
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from util import add_env_path, find_exts, make_env, rmtree, root_path, run
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from tempfile import mkdtemp
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# Helper function that returns the full path to a subpath of the repo root.
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def root(*subpath_parts):
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return path.normpath(path.join(root_path, *subpath_parts))
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# Helper function that returns the full path to a file/dir in third_party.
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def tp(*subpath_parts):
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return root("third_party", *subpath_parts)
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third_party_path = tp()
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depot_tools_path = tp("depot_tools")
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rust_crates_path = tp("rust_crates")
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python_packages_path = tp("python_packages")
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clang_format_path = tp(depot_tools_path, "clang-format")
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if "DENO_GN_PATH" in os.environ:
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gn_path = os.environ["DENO_GN_PATH"]
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else:
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gn_path = tp(depot_tools_path, "gn")
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if "DENO_NINJA_PATH" in os.environ:
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ninja_path = os.environ["DENO_NINJA_PATH"]
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else:
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ninja_path = tp(depot_tools_path, "ninja")
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python_site_env = None
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# Creates/modifies an environment so python can find packages that are bundled
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# in the 'third_party' directory.
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def python_env(env=None, merge_env=None):
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if merge_env is None:
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merge_env = {}
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global python_site_env
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# Use site.addsitedir() to determine which search paths would be considered
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# if 'third_party/python_packages' was a site-packages directory.
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# PATH is also updated, so windows can find the DLLs that ship with pywin32.
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if python_site_env is None:
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python_site_env = {}
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temp = os.environ["PATH"], sys.path
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os.environ["PATH"], sys.path = "", []
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site.addsitedir(python_packages_path) # Modifies PATH and sys.path.
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python_site_env = {"PATH": os.environ["PATH"], "PYTHONPATH": sys.path}
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os.environ["PATH"], sys.path = temp
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# Make a new environment object.
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env = make_env(env=env, merge_env=merge_env)
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# Apply PATH and PYTHONPATH from the site-packages environment.
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add_env_path(python_site_env["PATH"], env=env, key="PATH")
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add_env_path(python_site_env["PYTHONPATH"], env=env, key="PYTHONPATH")
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return env
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# This function creates or modifies an environment so that it matches the
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# expectations of various google tools (gn, gclient, etc).
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def google_env(env=None, merge_env=None, depot_tools_path_=depot_tools_path):
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if merge_env is None:
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merge_env = {}
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# Google tools need the python env too.
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env = python_env(env=env, merge_env=merge_env)
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# Depot_tools to be in the PATH, before Python.
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add_env_path(depot_tools_path_, env=env, prepend=True)
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if os.name == "nt": # Windows-only enviroment tweaks.
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# We're not using Google's internal infrastructure.
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if os.name == "nt" and not "DEPOT_TOOLS_WIN_TOOLCHAIN" in env:
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env["DEPOT_TOOLS_WIN_TOOLCHAIN"] = "0"
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# The 'setup_toolchain.py' script does a good job finding the Windows
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# SDK. Unfortunately, if any of the environment variables below are set
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# (as vcvarsall.bat typically would), setup_toolchain absorbs them too,
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# adding multiple identical -imsvc<path> items to CFLAGS.
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# This small variation has no effect on compiler output, but it
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# makes ninja rebuild everything, and causes sccache cache misses.
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# TODO(piscisaureus): fix this upstream.
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env["INCLUDE"] = ""
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env["LIB"] = ""
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env["LIBPATH"] = ""
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return env
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# Run Yarn to install JavaScript dependencies.
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def run_yarn():
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run(["yarn", "install"], cwd=third_party_path)
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# Run Cargo to install Rust dependencies.
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def run_cargo():
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# Deletes the cargo index lockfile; it appears that cargo itself doesn't do
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# it. If the lockfile ends up in the git repo, it'll make cargo hang for
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# everyone else who tries to run sync_third_party.
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def delete_lockfile():
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lockfiles = find_exts([path.join(rust_crates_path, "registry/index")],
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['.cargo-index-lock'])
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for lockfile in lockfiles:
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os.remove(lockfile)
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# Delete the index lockfile in case someone accidentally checked it in.
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delete_lockfile()
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run(["cargo", "fetch", "--manifest-path=" + root("Cargo.toml")],
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cwd=third_party_path,
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merge_env={'CARGO_HOME': rust_crates_path})
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# Delete the lockfile again so it doesn't end up in the git repo.
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delete_lockfile()
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# Install python packages with pip.
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def run_pip():
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# Install an recent version of pip into a temporary directory. The version
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# that is bundled with python is too old to support the next step.
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temp_python_home = mkdtemp()
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pip_env = {"PYTHONUSERBASE": temp_python_home}
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run([sys.executable, "-m", "pip", "install", "--upgrade", "--user", "pip"],
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cwd=third_party_path,
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merge_env=pip_env)
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# Install pywin32.
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run([
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sys.executable, "-m", "pip", "install", "--upgrade", "--target",
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python_packages_path, "--platform=win_amd64", "--only-binary=:all:",
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"pypiwin32"
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],
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cwd=third_party_path,
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merge_env=pip_env)
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# Get yapf.
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run([
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sys.executable, "-m", "pip", "install", "--upgrade", "--target",
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python_packages_path, "yapf"
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],
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cwd=third_party_path,
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merge_env=pip_env)
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# Remove the temporary pip installation.
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rmtree(temp_python_home)
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# Run gclient to install other dependencies.
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def run_gclient_sync():
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# Depot_tools will normally try to self-update, which will fail because
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# it's not checked out from it's own git repository; gclient will then try
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# to fix things up and not succeed, and and we'll end up with a huge mess.
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# To work around this, we rename the `depot_tools` directory to
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# `{root_path}/depot_tools_temp` first, and we set DEPOT_TOOLS_UPDATE=0 in
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# the environment so depot_tools doesn't attempt to self-update.
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# Since depot_tools is listed in .gclient_entries, gclient will install a
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# fresh copy in `third_party/depot_tools`.
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# If it all works out, we remove the depot_tools_temp directory afterwards.
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depot_tools_temp_path = root("depot_tools_temp")
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# Rename depot_tools to depot_tools_temp.
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try:
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os.rename(depot_tools_path, depot_tools_temp_path)
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except OSError:
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# If renaming failed, and the depot_tools_temp directory already exists,
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# assume that it's still there because a prior run_gclient_sync() call
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# failed half-way, before we got the chance to remove the temp dir.
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# We'll use whatever is in the temp dir that was already there.
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# If not, the user can recover by removing the temp directory manually.
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if path.isdir(depot_tools_temp_path):
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pass
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else:
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raise
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args = [
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"gclient", "sync", "--reset", "--shallow", "--no-history", "--nohooks"
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]
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envs = {
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'DEPOT_TOOLS_UPDATE': "0",
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'GCLIENT_FILE': root("gclient_config.py")
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}
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env = google_env(depot_tools_path_=depot_tools_temp_path, merge_env=envs)
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run(args, cwd=third_party_path, env=env)
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# Delete the depot_tools_temp directory, but not before verifying that
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# gclient did indeed install a fresh copy.
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# Also check that `{depot_tools_temp_path}/gclient.py` exists, so a typo in
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# this script won't accidentally blow out someone's home dir.
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if (path.isdir(path.join(depot_tools_path, ".git"))
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and path.isfile(path.join(depot_tools_path, "gclient.py"))
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and path.isfile(path.join(depot_tools_temp_path, "gclient.py"))):
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rmtree(depot_tools_temp_path)
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# Download the given item from Google storage.
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def download_from_google_storage(item, bucket):
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if sys.platform == 'win32':
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sha1_file = "v8/buildtools/win/%s.exe.sha1" % item
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elif sys.platform == 'darwin':
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sha1_file = "v8/buildtools/mac/%s.sha1" % item
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elif sys.platform.startswith('linux'):
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sha1_file = "v8/buildtools/linux64/%s.sha1" % item
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run([
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"python",
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tp('depot_tools/download_from_google_storage.py'),
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'--platform=' + sys.platform,
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'--no_auth',
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'--bucket=%s' % bucket,
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'--sha1_file',
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tp(sha1_file),
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],
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env=google_env())
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# Download gn from Google storage.
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def download_gn():
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download_from_google_storage('gn', 'chromium-gn')
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# Download clang-format from Google storage.
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def download_clang_format():
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download_from_google_storage('clang-format', 'chromium-clang-format')
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# Download clang by calling the clang update script.
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def download_clang():
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run(['python', tp('v8/tools/clang/scripts/update.py')], env=google_env())
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def maybe_download_sysroot():
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if sys.platform.startswith('linux'):
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run([
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'python',
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os.path.join(root_path,
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'build/linux/sysroot_scripts/install-sysroot.py'),
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'--arch=amd64'
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],
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env=google_env())
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