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|
#!/usr/bin/env python
# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import os
import platform
import re
import shutil
import subprocess
import sys
import warnings
from setuptools import setup
try:
from setuptools_rust import RustExtension
except ImportError:
print(
"""
=============================DEBUG ASSISTANCE==========================
If you are seeing an error here please try the following to
successfully install cryptography:
Upgrade to the latest pip and try again. This will fix errors for most
users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
=============================DEBUG ASSISTANCE==========================
"""
)
raise
# distutils emits this warning if you pass `setup()` an unknown option. This
# is what happens if you somehow run this file without `cffi` installed:
# `cffi_modules` is an unknown option.
warnings.filterwarnings("error", message="Unknown distribution option")
base_dir = os.path.dirname(__file__)
src_dir = os.path.join(base_dir, "src")
# When executing the setup.py, we need to be able to import ourselves, this
# means that we need to add the src/ directory to the sys.path.
sys.path.insert(0, src_dir)
if hasattr(sys, "pypy_version_info") and sys.pypy_version_info < (7, 3, 10):
raise RuntimeError("cryptography is not compatible with PyPy3 < 7.3.10")
try:
# See pyproject.toml for most of the config metadata.
setup(
rust_extensions=[
RustExtension(
"cryptography.hazmat.bindings._rust",
"src/rust/Cargo.toml",
py_limited_api=True,
rust_version=">=1.56.0",
)
],
)
except: # noqa: E722
# Note: This is a bare exception that re-raises so that we don't interfere
# with anything the installation machinery might want to do. Because we
# print this for any exception this msg can appear (e.g. in verbose logs)
# even if there's no failure. For example, SetupRequirementsError is raised
# during PEP517 building and prints this text. setuptools raises SystemExit
# when compilation fails right now, but it's possible this isn't stable
# or a public API commitment so we'll remain ultra conservative.
import pkg_resources
print(
"""
=============================DEBUG ASSISTANCE=============================
If you are seeing a compilation error please try the following steps to
successfully install cryptography:
1) Upgrade to the latest pip and try again. This will fix errors for most
users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
2) Read https://cryptography.io/en/latest/installation/ for specific
instructions for your platform.
3) Check our frequently asked questions for more information:
https://cryptography.io/en/latest/faq/
4) Ensure you have a recent Rust toolchain installed:
https://cryptography.io/en/latest/installation/#rust
"""
)
print(f" Python: {'.'.join(str(v) for v in sys.version_info[:3])}")
print(f" platform: {platform.platform()}")
for dist in ["pip", "setuptools", "setuptools_rust"]:
try:
version = pkg_resources.get_distribution(dist).version
except pkg_resources.DistributionNotFound:
version = "n/a"
print(f" {dist}: {version}")
version = "n/a"
if shutil.which("rustc") is not None:
try:
# If for any reason `rustc --version` fails, silently ignore it
rustc_output = subprocess.run(
["rustc", "--version"],
capture_output=True,
timeout=0.5,
encoding="utf8",
check=True,
).stdout
version = re.sub("^rustc ", "", rustc_output.strip())
except subprocess.SubprocessError:
pass
print(f" rustc: {version}")
print(
"""\
=============================DEBUG ASSISTANCE=============================
"""
)
raise
|
