Mercurial > hg
changeset 44638:af739894a4c1
hgcli: add stub PyOxidizer project
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.
Differential Revision: https://phab.mercurial-scm.org/D8350
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Tue, 31 Mar 2020 19:07:36 -0700 |
| parents | 02f66b23cba3 |
| children | bc847878f4c0 |
| files | rust/Cargo.toml rust/hgcli/.cargo/config rust/hgcli/Cargo.lock rust/hgcli/Cargo.toml rust/hgcli/build.rs rust/hgcli/pyoxidizer.bzl rust/hgcli/src/main.rs |
| diffstat | 7 files changed, 600 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/rust/Cargo.toml Tue Mar 31 18:56:41 2020 -0700 +++ b/rust/Cargo.toml Tue Mar 31 19:07:36 2020 -0700 @@ -1,3 +1,3 @@ [workspace] members = ["hg-core", "hg-cpython"] -exclude = ["chg"] +exclude = ["chg", "hgcli"]
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/.cargo/config Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,13 @@ +# 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"]
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/Cargo.lock Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,359 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "aho-corasick" +version = "0.7.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "anyhow" +version = "1.0.28" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "autocfg" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "byteorder" +version = "1.3.4" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "cc" +version = "1.0.50" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] +name = "cfg-if" +version = "0.1.10" +source = 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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/Cargo.toml Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,20 @@ +[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"]
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/build.rs Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,16 @@ +// 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"); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/pyoxidizer.bzl Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,153 @@ +# 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"
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hgcli/src/main.rs Tue Mar 31 19:07:36 2020 -0700 @@ -0,0 +1,38 @@ +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); +}