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
Branch
default
Lint
No Linters Available
Unit
No Unit Test Coverage

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 20925

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-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);
}