This is an archive of the discontinued Mercurial Phabricator instance.

Differential D8350

hgcli: add stub PyOxidizer project
ClosedPublic

Authored by indygreg on Mar 31 2020, 11:29 PM.

Details

Reviewers
marmoute
Group Reviewers
hg-reviewers
Commits
rHGaf739894a4c1: hgcli: add stub PyOxidizer project
Summary

Using commit c772a1379c3026314eda1c8ea244b86c0658951d of
PyOxidizer, I ran pyoxidizer init-rust-project hgcli to
create a stub Rust project. The only modifications I made from
what that command produced are:

  • Update location of pyembed crate to PyOxidizer's Git repository.
  • Removed some trailing whitespace from pyoxidizer.bzl
  • Added auto-generated Cargo.lock file

Subsequent commits will modify the stub project to Mercurial's
needs.

Diff Detail

Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

indygreg created this revision.Mar 31 2020, 11:29 PM
marmoute accepted this revision.Apr 1 2020, 4:11 AM
indygreg added a commit: rHGaf739894a4c1: hgcli: add stub PyOxidizer project.Apr 1 2020, 11:22 AM
This revision was not accepted when it landed; it landed in state Needs Review.
Closed by commit rHGaf739894a4c1: hgcli: add stub PyOxidizer project (authored by indygreg). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mrust/Cargo.toml (2 lines)
AMrust/hgcli/.cargo/config (13 lines)
AMrust/hgcli/Cargo.lock (359 lines)
AMrust/hgcli/Cargo.toml (20 lines)
AMrust/hgcli/build.rs (16 lines)
AMrust/hgcli/pyoxidizer.bzl (153 lines)
AMrust/hgcli/src/main.rs (38 lines)

Diff 20937

rust/Cargo.toml

[workspace] [workspace]
members = ["hg-core", "hg-cpython"] members = ["hg-core", "hg-cpython"]
exclude = ["chg"] exclude = ["chg", "hgcli"]

rust/hgcli/.cargo/config

  • This file was added.
# By default Rust will not export dynamic symbols from built executables.
# Python symbols need to be exported from executables in order for that
# executable to load Python extension modules, which are shared libraries.
# Otherwise, the extension module / shared library is unable to resolve
# Python symbols. This file contains target-specific configuration
# overrides to export dynamic symbols from executables.
#
# Ideally we would achieve this functionality via the build.rs build
# script. But custom compiler flags via build scripts apparently only
# support limited options.
[target.x86_64-unknown-linux-gnu]
rustflags = ["-C", "link-args=-Wl,-export-dynamic"]

rust/hgcli/Cargo.lock

  • This file was added.
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

rust/hgcli/Cargo.toml

  • This file was added.
[package]
name = "hgcli"
version = "0.1.0"
build = "build.rs"
authors = ["Gregory Szorc <gregory.szorc@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
jemallocator-global = { version = "0.3", optional = true }
pyembed = { git = "https://github.com/indygreg/PyOxidizer.git", rev = "c772a1379c3026314eda1c8ea244b86c0658951d", default-features=false }
[features]
default = ["build-mode-pyoxidizer-exe"]
jemalloc = ["jemallocator-global", "pyembed/jemalloc"]
build-mode-pyoxidizer-exe = ["pyembed/build-mode-pyoxidizer-exe"]
build-mode-prebuilt-artifacts = ["pyembed/build-mode-prebuilt-artifacts"]
cpython-link-unresolved-static = ["pyembed/cpython-link-unresolved-static"]
cpython-link-default = ["pyembed/cpython-link-default"]

rust/hgcli/build.rs

  • This file was added.
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
/*! Build script to integrate PyOxidizer. */
fn main() {
if let Ok(config_rs) = std::env::var("DEP_PYTHONXY_DEFAULT_PYTHON_CONFIG_RS") {
println!(
"cargo:rustc-env=PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS={}",
config_rs
);
} else {
panic!("unable to find build artifacts generated by pyembed crate");
}
}

rust/hgcli/pyoxidizer.bzl

  • This file was added.
# This file defines how PyOxidizer application building and packaging is
# performed. See the pyoxidizer crate's documentation for extensive
# documentation on this file format.
# Obtain the default PythonDistribution for our build target. We link
# this distribution into our produced executable and extract the Python
# standard library from it.
def make_dist():
return default_python_distribution()
# Configuration files consist of functions which define build "targets."
# This function creates a Python executable and installs it in a destination
# directory.
def make_exe(dist):
# This variable defines the configuration of the
# embedded Python interpreter.
python_config = PythonInterpreterConfig(
# bytes_warning=0,
# dont_write_bytecode=True,
# ignore_environment=True,
# inspect=False,
# interactive=False,
# isolated=False,
# legacy_windows_fs_encoding=False,
# legacy_windows_stdio=False,
# no_site=True,
# no_user_site_directory=True,
# optimize_level=0,
# parser_debug=False,
# stdio_encoding=None,
# unbuffered_stdio=False,
# filesystem_importer=False,
# sys_frozen=False,
# sys_meipass=False,
# sys_paths=None,
# raw_allocator=None,
# terminfo_resolution="dynamic",
# terminfo_dirs=None,
# use_hash_seed=False,
# verbose=0,
# write_modules_directory_env=None,
# run_eval=None,
# run_module=None,
# run_noop=False,
# run_repl=True,
)
# The run_eval, run_module, run_noop, and run_repl arguments are mutually
# exclusive controls over what the interpreter should do once it initializes.
#
# run_eval -- Run the specified string value via `eval()`.
# run_module -- Import the specified module as __main__ and run it.
# run_noop -- Do nothing.
# run_repl -- Start a Python REPL.
#
# These arguments can be ignored if you are providing your own Rust code for
# starting the interpreter, as Rust code has full control over interpreter
# behavior.
# Produce a PythonExecutable from a Python distribution, embedded
# resources, and other options. The returned object represents the
# standalone executable that will be built.
exe = dist.to_python_executable(
name = "hgcli",
config = python_config,
# Embed all extension modules, making this a fully-featured Python.
extension_module_filter = "all",
# Only package the minimal set of extension modules needed to initialize
# a Python interpreter. Many common packages in Python's standard
# library won't work with this setting.
#extension_module_filter='minimal',
# Only package extension modules that don't require linking against
# non-Python libraries. e.g. will exclude support for OpenSSL, SQLite3,
# other features that require external libraries.
#extension_module_filter='no-libraries',
# Only package extension modules that don't link against GPL licensed
# libraries.
#extension_module_filter='no-gpl',
# Include Python module sources. This isn't strictly required and it does
# make binary sizes larger. But having the sources can be useful for
# activities such as debugging.
include_sources = True,
# Whether to include non-module resource data/files.
include_resources = False,
# Do not include functionality for testing Python itself.
include_test = False,
)
# Invoke `pip install` with our Python distribution to install a single package.
# `pip_install()` returns objects representing installed files.
# `add_in_memory_python_resources()` adds these objects to the binary,
# marking them for in-memory loading.
#exe.add_in_memory_python_resources(dist.pip_install(["appdirs"]))
# Invoke `pip install` using a requirements file and add the collected resources
# to our binary.
#exe.add_in_memory_python_resources(dist.pip_install(["-r", "requirements.txt"]))
# Read Python files from a local directory and add them to our embedded
# context, taking just the resources belonging to the `foo` and `bar`
# Python packages.
#exe.add_in_memory_python_resources(dist.read_package_root(
# path="/src/mypackage",
# packages=["foo", "bar"],
#))
# Discover Python files from a virtualenv and add them to our embedded
# context.
#exe.add_in_memory_python_resources(dist.read_virtualenv(path="/path/to/venv"))
# Filter all resources collected so far through a filter of names
# in a file.
#exe.filter_from_files(files=["/path/to/filter-file"]))
# Return our `PythonExecutable` instance so it can be built and
# referenced by other consumers of this target.
return exe
def make_embedded_resources(exe):
return exe.to_embedded_resources()
def make_install(exe):
# Create an object that represents our installed application file layout.
files = FileManifest()
# Add the generated executable to our install layout in the root directory.
files.add_python_resource(".", exe)
return files
# Tell PyOxidizer about the build targets defined above.
register_target("dist", make_dist)
register_target("exe", make_exe, depends = ["dist"], default = True)
register_target("resources", make_embedded_resources, depends = ["exe"], default_build_script = True)
register_target("install", make_install, depends = ["exe"])
# Resolve whatever targets the invoker of this configuration file is requesting
# be resolved.
resolve_targets()
# END OF COMMON USER-ADJUSTED SETTINGS.
#
# Everything below this is typically managed by PyOxidizer and doesn't need
# to be updated by people.
PYOXIDIZER_VERSION = "0.7.0-pre"
PYOXIDIZER_COMMIT = "c772a1379c3026314eda1c8ea244b86c0658951d"

rust/hgcli/src/main.rs

  • This file was added.
use pyembed::MainPythonInterpreter;
// Include an auto-generated file containing the default
// `pyembed::PythonConfig` derived by the PyOxidizer configuration file.
//
// If you do not want to use PyOxidizer to generate this file, simply
// remove this line and instantiate your own instance of
// `pyembed::PythonConfig`.
include!(env!("PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS"));
fn main() {
// The following code is in a block so the MainPythonInterpreter is destroyed in an
// orderly manner, before process exit.
let code = {
// Load the default Python configuration as derived by the PyOxidizer config
// file used at build time.
let config = default_python_config();
// Construct a new Python interpreter using that config, handling any errors
// from construction.
match MainPythonInterpreter::new(config) {
Ok(mut interp) => {
// And run it using the default run configuration as specified by the
// configuration. If an uncaught Python exception is raised, handle it.
// This includes the special SystemExit, which is a request to terminate the
// process.
interp.run_as_main()
}
Err(msg) => {
eprintln!("{}", msg);
1
}
}
};
// And exit the process according to code execution results.
std::process::exit(code);
}