Files
cibuildwheel/bin/update_pythons.py
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Python
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#!/usr/bin/env python3
from __future__ import annotations
import copy
import difflib
import logging
from pathlib import Path
from typing import Any, Iterable, Union, cast
import click
import requests
import rich
import toml
from packaging.specifiers import Specifier
from packaging.version import Version
from rich.logging import RichHandler
from rich.syntax import Syntax
from cibuildwheel.extra import InlineArrayDictEncoder
from cibuildwheel.typing import Final, Literal, TypedDict
log = logging.getLogger("cibw")
# Looking up the dir instead of using utils.resources_dir
# since we want to write to it.
DIR: Final[Path] = Path(__file__).parent.parent.resolve()
RESOURCES_DIR: Final[Path] = DIR / "cibuildwheel/resources"
ArchStr = Literal["32", "64"]
class ConfigWinCP(TypedDict):
identifier: str
version: str
arch: str
class ConfigWinPP(TypedDict):
identifier: str
version: str
arch: str
url: str
class ConfigMacOS(TypedDict):
identifier: str
version: str
url: str
AnyConfig = Union[ConfigWinCP, ConfigWinPP, ConfigMacOS]
# The following set of "Versions" classes allow the initial call to the APIs to
# be cached and reused in the `update_version_*` methods.
class WindowsVersions:
def __init__(self, arch_str: ArchStr) -> None:
response = requests.get("https://api.nuget.org/v3/index.json")
response.raise_for_status()
api_info = response.json()
for resource in api_info["resources"]:
if resource["@type"] == "PackageBaseAddress/3.0.0":
endpoint = resource["@id"]
ARCH_DICT = {"32": "win32", "64": "win_amd64"}
PACKAGE_DICT = {"32": "pythonx86", "64": "python"}
self.arch_str = arch_str
self.arch = ARCH_DICT[arch_str]
package = PACKAGE_DICT[arch_str]
response = requests.get(f"{endpoint}{package}/index.json")
response.raise_for_status()
cp_info = response.json()
self.version_dict = {Version(v): v for v in cp_info["versions"]}
def update_version_windows(self, spec: Specifier) -> ConfigWinCP | None:
# Specifier.filter selects all non pre-releases that match the spec,
# unless there are only pre-releases, then it selects pre-releases
# instead (like pip)
unsorted_versions = cast(Iterable[Version], spec.filter(self.version_dict))
versions = sorted(unsorted_versions, reverse=True)
log.debug(f"Windows {self.arch} {spec} has {', '.join(str(v) for v in versions)}")
if not versions:
return None
version = versions[0]
identifier = f"cp{version.major}{version.minor}-{self.arch}"
return ConfigWinCP(
identifier=identifier,
version=self.version_dict[version],
arch=self.arch_str,
)
class PyPyVersions:
def __init__(self, arch_str: ArchStr):
response = requests.get("https://downloads.python.org/pypy/versions.json")
response.raise_for_status()
releases = [r for r in response.json() if r["pypy_version"] != "nightly"]
for release in releases:
release["pypy_version"] = Version(release["pypy_version"])
release["python_version"] = Version(release["python_version"])
self.releases = [
r
for r in releases
if not r["pypy_version"].is_prerelease and not r["pypy_version"].is_devrelease
]
self.arch = arch_str
def get_arch_file(self, release: dict[str, Any]) -> str:
urls = [
rf["download_url"]
for rf in release["files"]
if "" in rf["platform"] == f"win{self.arch}"
]
return urls[0] if urls else ""
def update_version_windows(self, spec: Specifier) -> ConfigWinCP:
releases = [r for r in self.releases if spec.contains(r["python_version"])]
releases = sorted(releases, key=lambda r: r["pypy_version"])
releases = [r for r in releases if self.get_arch_file(r)]
if not releases:
raise RuntimeError(f"PyPy Win {self.arch} not found for {spec}! {self.releases}")
version_arch = "win32" if self.arch == "32" else "win_amd64"
release = releases[-1]
version = release["python_version"]
identifier = f"pp{version.major}{version.minor}-{version_arch}"
url = self.get_arch_file(release)
return ConfigWinPP(
identifier=identifier,
version=f"{version.major}.{version.minor}",
arch=self.arch,
url=url,
)
def update_version_macos(self, spec: Specifier) -> ConfigMacOS:
if self.arch != "64":
raise RuntimeError("Other archs not supported yet on macOS")
releases = [r for r in self.releases if spec.contains(r["python_version"])]
releases = sorted(releases, key=lambda r: r["pypy_version"])
if not releases:
raise RuntimeError(f"PyPy macOS {self.arch} not found for {spec}!")
release = releases[-1]
version = release["python_version"]
identifier = f"pp{version.major}{version.minor}-macosx_x86_64"
(url,) = (
rf["download_url"]
for rf in release["files"]
if "" in rf["platform"] == "darwin" and rf["arch"] == "x64"
)
return ConfigMacOS(
identifier=identifier,
version=f"{version.major}.{version.minor}",
url=url,
)
class CPythonVersions:
def __init__(self) -> None:
response = requests.get(
"https://www.python.org/api/v2/downloads/release/?is_published=true"
)
response.raise_for_status()
releases_info = response.json()
self.versions_dict: dict[Version, int] = {}
for release in releases_info:
# Removing the prefix, Python 3.9 would use: release["name"].removeprefix("Python ")
version = Version(release["name"][7:])
uri = int(release["resource_uri"].rstrip("/").split("/")[-1])
self.versions_dict[version] = uri
def update_version_macos(
self, identifier: str, version: Version, spec: Specifier
) -> ConfigMacOS | None:
# see note above on Specifier.filter
unsorted_versions = cast(Iterable[Version], spec.filter(self.versions_dict))
sorted_versions = sorted(unsorted_versions, reverse=True)
if version <= Version("3.8.9999"):
file_ident = "macosx10.9.pkg"
else:
file_ident = "macos11.pkg"
for new_version in sorted_versions:
# Find the first patch version that contains the requested file
uri = self.versions_dict[new_version]
response = requests.get(
f"https://www.python.org/api/v2/downloads/release_file/?release={uri}"
)
response.raise_for_status()
file_info = response.json()
urls = [rf["url"] for rf in file_info if file_ident in rf["url"]]
if urls:
return ConfigMacOS(
identifier=identifier,
version=f"{new_version.major}.{new_version.minor}",
url=urls[0],
)
return None
# This is a universal interface to all the above Versions classes. Given an
# identifier, it updates a config dict.
class AllVersions:
def __init__(self) -> None:
self.windows_32 = WindowsVersions("32")
self.windows_64 = WindowsVersions("64")
self.windows_pypy_64 = PyPyVersions("64")
self.macos_cpython = CPythonVersions()
self.macos_pypy = PyPyVersions("64")
def update_config(self, config: dict[str, str]) -> None:
identifier = config["identifier"]
version = Version(config["version"])
spec = Specifier(f"=={version.major}.{version.minor}.*")
log.info(f"Reading in '{identifier}' -> {spec} @ {version}")
orig_config = copy.copy(config)
config_update: AnyConfig | None = None
# We need to use ** in update due to MyPy (probably a bug)
if "macos" in identifier:
if identifier.startswith("cp"):
config_update = self.macos_cpython.update_version_macos(identifier, version, spec)
elif identifier.startswith("pp"):
config_update = self.macos_pypy.update_version_macos(spec)
elif "win32" in identifier:
if identifier.startswith("cp"):
config_update = self.windows_32.update_version_windows(spec)
elif "win_amd64" in identifier:
if identifier.startswith("cp"):
config_update = self.windows_64.update_version_windows(spec)
elif identifier.startswith("pp"):
config_update = self.windows_pypy_64.update_version_windows(spec)
assert config_update is not None, f"{identifier} not found!"
config.update(**config_update)
if config != orig_config:
log.info(f" Updated {orig_config} to {config}")
@click.command()
@click.option("--force", is_flag=True)
@click.option(
"--level", default="INFO", type=click.Choice(["WARNING", "INFO", "DEBUG"], case_sensitive=False)
)
def update_pythons(force: bool, level: str) -> None:
logging.basicConfig(
level="INFO",
format="%(message)s",
datefmt="[%X]",
handlers=[RichHandler(rich_tracebacks=True, markup=True)],
)
log.setLevel(level)
all_versions = AllVersions()
toml_file_path = RESOURCES_DIR / "build-platforms.toml"
original_toml = toml_file_path.read_text()
configs = toml.loads(original_toml)
for config in configs["windows"]["python_configurations"]:
all_versions.update_config(config)
for config in configs["macos"]["python_configurations"]:
all_versions.update_config(config)
result_toml = toml.dumps(configs, encoder=InlineArrayDictEncoder()) # type: ignore
rich.print() # spacer
if original_toml == result_toml:
rich.print("[green]Check complete, Python configurations unchanged.")
return
rich.print("Python configurations updated.")
rich.print("Changes:")
rich.print()
toml_relpath = toml_file_path.relative_to(DIR).as_posix()
diff_lines = difflib.unified_diff(
original_toml.splitlines(keepends=True),
result_toml.splitlines(keepends=True),
fromfile=toml_relpath,
tofile=toml_relpath,
)
rich.print(Syntax("".join(diff_lines), "diff", theme="ansi_light"))
rich.print()
if force:
toml_file_path.write_text(result_toml)
rich.print("[green]TOML file updated.")
else:
rich.print("[yellow]File left unchanged. Use --force flag to update.")
if __name__ == "__main__":
update_pythons()