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check-py3-compat: use an absolute path in sys.path...
check-py3-compat: use an absolute path in sys.path The idea and rationale is similar to https://phab.mercurial-scm.org/D12599 (landed as 1b6e381521c5). Differential Revision: https://phab.mercurial-scm.org/D12621

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pyoxidizer.bzl
339 lines | 11.3 KiB | text/x-python | PythonLexer
# The following variables can be passed in as parameters:
#
# VERSION
# Version string of program being produced.
#
# MSI_NAME
# Root name of MSI installer.
#
# EXTRA_MSI_FEATURES
# ; delimited string of extra features to advertise in the built MSA.
#
# SIGNING_PFX_PATH
# Path to code signing certificate to use.
#
# SIGNING_PFX_PASSWORD
# Password to code signing PFX file defined by SIGNING_PFX_PATH.
#
# SIGNING_SUBJECT_NAME
# String fragment in code signing certificate subject name used to find
# code signing certificate in Windows certificate store.
#
# TIME_STAMP_SERVER_URL
# URL of time-stamp token authority (RFC 3161) servers to stamp code signatures.
ROOT = CWD + "/../.."
VERSION = VARS.get("VERSION", "0.0")
MSI_NAME = VARS.get("MSI_NAME", "mercurial")
EXTRA_MSI_FEATURES = VARS.get("EXTRA_MSI_FEATURES")
SIGNING_PFX_PATH = VARS.get("SIGNING_PFX_PATH")
SIGNING_PFX_PASSWORD = VARS.get("SIGNING_PFX_PASSWORD", "")
SIGNING_SUBJECT_NAME = VARS.get("SIGNING_SUBJECT_NAME")
TIME_STAMP_SERVER_URL = VARS.get("TIME_STAMP_SERVER_URL", "http://timestamp.digicert.com")
IS_WINDOWS = "windows" in BUILD_TARGET_TRIPLE
# Use in-memory resources for all resources. If false, most of the Python
# stdlib will be in memory, but other things such as Mercurial itself will not
# be. See the comment in resource_callback, below.
USE_IN_MEMORY_RESOURCES = not IS_WINDOWS
# Code to run in Python interpreter.
RUN_CODE = """
import os
import sys
extra_path = os.environ.get('PYTHONPATH')
if extra_path is not None:
# extensions and hooks expect a working python environment
# We do not prepend the values because the Mercurial library wants to be in
# the front of the sys.path to avoid picking up other installations.
sys.path.extend(extra_path.split(os.pathsep))
# Add user site to sys.path to load extensions without the full path
if os.name == 'nt':
vi = sys.version_info
appdata = os.environ.get('APPDATA')
if appdata:
sys.path.append(
os.path.join(
appdata,
'Python',
'Python%d%d' % (vi[0], vi[1]),
'site-packages',
)
)
elif sys.platform == "darwin":
vi = sys.version_info
def joinuser(*args):
return os.path.expanduser(os.path.join(*args))
# Note: site.py uses `sys._framework` instead of hardcoding "Python" as the
# 3rd arg, but that is set to an empty string in an oxidized binary. It
# has a fallback to ~/.local when `sys._framework` isn't set, but we want
# to match what the system python uses, so it sees pip installed stuff.
usersite = joinuser("~", "Library", "Python",
"%d.%d" % vi[:2], "lib/python/site-packages")
sys.path.append(usersite)
import hgdemandimport;
hgdemandimport.enable();
from mercurial import dispatch;
dispatch.run();
"""
set_build_path(ROOT + "/build/pyoxidizer")
def make_distribution():
return default_python_distribution(python_version = "3.9")
def resource_callback(policy, resource):
if USE_IN_MEMORY_RESOURCES:
resource.add_location = "in-memory"
return
# We use a custom resource routing policy to influence where things are loaded
# from.
#
# For Python modules and resources, we load from memory if they are in
# the standard library and from the filesystem if not. This is because
# parts of Mercurial and some 3rd party packages aren't yet compatible
# with memory loading.
#
# For Python extension modules, we load from the filesystem because
# this yields greatest compatibility.
if type(resource) in ("PythonModuleSource", "PythonPackageResource", "PythonPackageDistributionResource"):
if resource.is_stdlib:
resource.add_location = "in-memory"
else:
resource.add_location = "filesystem-relative:lib"
elif type(resource) == "PythonExtensionModule":
resource.add_location = "filesystem-relative:lib"
def make_exe(dist):
"""Builds a Rust-wrapped Mercurial binary."""
packaging_policy = dist.make_python_packaging_policy()
# Extension may depend on any Python functionality. Include all
# extensions.
packaging_policy.extension_module_filter = "all"
packaging_policy.resources_location = "in-memory"
if not USE_IN_MEMORY_RESOURCES:
packaging_policy.resources_location_fallback = "filesystem-relative:lib"
packaging_policy.register_resource_callback(resource_callback)
config = dist.make_python_interpreter_config()
config.allocator_backend = "default"
config.run_command = RUN_CODE
# We want to let the user load extensions from the file system
config.filesystem_importer = True
# We need this to make resourceutil happy, since it looks for sys.frozen.
config.sys_frozen = True
config.legacy_windows_stdio = True
exe = dist.to_python_executable(
name = "hg",
packaging_policy = packaging_policy,
config = config,
)
# Add Mercurial to resources.
exe.add_python_resources(exe.pip_install(["--verbose", "--no-use-pep517", ROOT]))
# On Windows, we install extra packages for convenience.
if IS_WINDOWS:
exe.add_python_resources(
exe.pip_install(["-r", ROOT + "/contrib/packaging/requirements-windows-py3.txt"]),
)
extra_packages = VARS.get("extra_py_packages", "")
if extra_packages:
for extra in extra_packages.split(","):
extra_src, pkgs = extra.split("=")
pkgs = pkgs.split(":")
exe.add_python_resources(exe.read_package_root(extra_src, pkgs))
return exe
def make_manifest(dist, exe):
m = FileManifest()
m.add_python_resource(".", exe)
return m
# This adjusts the InstallManifest produced from exe generation to provide
# additional files found in a Windows install layout.
def make_windows_install_layout(manifest):
# Copy various files to new install locations. This can go away once
# we're using the importlib resource reader.
RECURSIVE_COPIES = {
"lib/mercurial/locale/": "locale/",
"lib/mercurial/templates/": "templates/",
}
for (search, replace) in RECURSIVE_COPIES.items():
for path in manifest.paths():
if path.startswith(search):
new_path = path.replace(search, replace)
print("copy %s to %s" % (path, new_path))
file = manifest.get_file(path)
manifest.add_file(file, path = new_path)
# Similar to above, but with filename pattern matching.
# lib/mercurial/helptext/**/*.txt -> helptext/
# lib/mercurial/defaultrc/*.rc -> defaultrc/
for path in manifest.paths():
if path.startswith("lib/mercurial/helptext/") and path.endswith(".txt"):
new_path = path[len("lib/mercurial/"):]
elif path.startswith("lib/mercurial/defaultrc/") and path.endswith(".rc"):
new_path = path[len("lib/mercurial/"):]
else:
continue
print("copying %s to %s" % (path, new_path))
manifest.add_file(manifest.get_file(path), path = new_path)
extra_install_files = VARS.get("extra_install_files", "")
if extra_install_files:
for extra in extra_install_files.split(","):
print("adding extra files from %s" % extra)
# TODO: I expected a ** glob to work, but it didn't.
#
# TODO: I know this has forward-slash paths. As far as I can tell,
# backslashes don't ever match glob() expansions in
# tugger-starlark, even on Windows.
manifest.add_manifest(glob(include=[extra + "/*/*"], strip_prefix=extra+"/"))
# We also install a handful of additional files.
EXTRA_CONTRIB_FILES = [
"bash_completion",
"hgweb.fcgi",
"hgweb.wsgi",
"logo-droplets.svg",
"mercurial.el",
"mq.el",
"tcsh_completion",
"tcsh_completion_build.sh",
"xml.rnc",
"zsh_completion",
]
for f in EXTRA_CONTRIB_FILES:
manifest.add_file(FileContent(path = ROOT + "/contrib/" + f), directory = "contrib")
# Individual files with full source to destination path mapping.
EXTRA_FILES = {
"contrib/hgk": "contrib/hgk.tcl",
"contrib/win32/postinstall.txt": "ReleaseNotes.txt",
"contrib/win32/ReadMe.html": "ReadMe.html",
"doc/style.css": "doc/style.css",
"COPYING": "Copying.txt",
}
for source, dest in EXTRA_FILES.items():
print("adding extra file %s" % dest)
manifest.add_file(FileContent(path = ROOT + "/" + source), path = dest)
# And finally some wildcard matches.
manifest.add_manifest(glob(
include = [ROOT + "/contrib/vim/*"],
strip_prefix = ROOT + "/"
))
manifest.add_manifest(glob(
include = [ROOT + "/doc/*.html"],
strip_prefix = ROOT + "/"
))
# But we don't ship hg-ssh on Windows, so exclude its documentation.
manifest.remove("doc/hg-ssh.8.html")
return manifest
def make_msi(manifest):
manifest = make_windows_install_layout(manifest)
if "x86_64" in BUILD_TARGET_TRIPLE:
platform = "x64"
else:
platform = "x86"
manifest.add_file(
FileContent(path = ROOT + "/contrib/packaging/wix/COPYING.rtf"),
path = "COPYING.rtf",
)
manifest.remove("Copying.txt")
manifest.add_file(
FileContent(path = ROOT + "/contrib/win32/mercurial.ini"),
path = "defaultrc/mercurial.rc",
)
manifest.add_file(
FileContent(filename = "editor.rc", content = "[ui]\neditor = notepad\n"),
path = "defaultrc/editor.rc",
)
wix = WiXInstaller(
"hg",
"%s-%s-%s.msi" % (MSI_NAME, VERSION, platform),
arch = platform,
)
# Materialize files in the manifest to the install layout.
wix.add_install_files(manifest)
# From mercurial.wxs.
wix.install_files_root_directory_id = "INSTALLDIR"
# Pull in our custom .wxs files.
defines = {
"PyOxidizer": "1",
"Platform": platform,
"Version": VERSION,
"Comments": "Installs Mercurial version %s" % VERSION,
"PythonVersion": "3",
"MercurialHasLib": "1",
}
if EXTRA_MSI_FEATURES:
defines["MercurialExtraFeatures"] = EXTRA_MSI_FEATURES
wix.add_wxs_file(
ROOT + "/contrib/packaging/wix/mercurial.wxs",
preprocessor_parameters=defines,
)
# Our .wxs references to other files. Pull those into the build environment.
for f in ("defines.wxi", "guids.wxi", "COPYING.rtf"):
wix.add_build_file(f, ROOT + "/contrib/packaging/wix/" + f)
wix.add_build_file("mercurial.ico", ROOT + "/contrib/win32/mercurial.ico")
return wix
def register_code_signers():
if not IS_WINDOWS:
return
if SIGNING_PFX_PATH:
signer = code_signer_from_pfx_file(SIGNING_PFX_PATH, SIGNING_PFX_PASSWORD)
elif SIGNING_SUBJECT_NAME:
signer = code_signer_from_windows_store_subject(SIGNING_SUBJECT_NAME)
else:
signer = None
if signer:
signer.set_time_stamp_server(TIME_STAMP_SERVER_URL)
signer.activate()
register_code_signers()
register_target("distribution", make_distribution)
register_target("exe", make_exe, depends = ["distribution"])
register_target("app", make_manifest, depends = ["distribution", "exe"], default = True)
register_target("msi", make_msi, depends = ["app"])
resolve_targets()