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from __future__ import annotations
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from .acquire import get_wheel, pip_wheel_env_run
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from .util import Version, Wheel
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__all__ = [
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"Version",
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"Wheel",
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"get_wheel",
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"pip_wheel_env_run",
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]
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"""Bootstrap."""
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from __future__ import annotations
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import logging
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import sys
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from operator import eq, lt
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from pathlib import Path
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from subprocess import PIPE, CalledProcessError, Popen
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from .bundle import from_bundle
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from .periodic_update import add_wheel_to_update_log
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from .util import Version, Wheel, discover_wheels
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def get_wheel( # noqa: PLR0913
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distribution,
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version,
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for_py_version,
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search_dirs,
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download,
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app_data,
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do_periodic_update,
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env,
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):
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"""Get a wheel with the given distribution-version-for_py_version trio, by using the extra search dir + download."""
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# not all wheels are compatible with all python versions, so we need to py version qualify it
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wheel = None
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if not download or version != Version.bundle:
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# 1. acquire from bundle
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wheel = from_bundle(distribution, version, for_py_version, search_dirs, app_data, do_periodic_update, env)
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if download and wheel is None and version != Version.embed:
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# 2. download from the internet
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wheel = download_wheel(
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distribution=distribution,
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version_spec=Version.as_version_spec(version),
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for_py_version=for_py_version,
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search_dirs=search_dirs,
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app_data=app_data,
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to_folder=app_data.house,
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env=env,
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)
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if wheel is not None and app_data.can_update:
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add_wheel_to_update_log(wheel, for_py_version, app_data)
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return wheel
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def download_wheel(distribution, version_spec, for_py_version, search_dirs, app_data, to_folder, env): # noqa: PLR0913
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to_download = f"{distribution}{version_spec or ''}"
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logging.debug("download wheel %s %s to %s", to_download, for_py_version, to_folder)
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cmd = [
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sys.executable,
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"-m",
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"pip",
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"download",
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"--progress-bar",
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"off",
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"--disable-pip-version-check",
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"--only-binary=:all:",
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"--no-deps",
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"--python-version",
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for_py_version,
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"-d",
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str(to_folder),
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to_download,
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]
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# pip has no interface in python - must be a new sub-process
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env = pip_wheel_env_run(search_dirs, app_data, env)
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process = Popen(cmd, env=env, stdout=PIPE, stderr=PIPE, universal_newlines=True, encoding="utf-8")
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out, err = process.communicate()
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if process.returncode != 0:
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kwargs = {"output": out, "stderr": err}
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raise CalledProcessError(process.returncode, cmd, **kwargs)
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result = _find_downloaded_wheel(distribution, version_spec, for_py_version, to_folder, out)
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logging.debug("downloaded wheel %s", result.name)
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return result
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def _find_downloaded_wheel(distribution, version_spec, for_py_version, to_folder, out):
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for line in out.splitlines():
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stripped_line = line.lstrip()
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for marker in ("Saved ", "File was already downloaded "):
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if stripped_line.startswith(marker):
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return Wheel(Path(stripped_line[len(marker) :]).absolute())
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# if for some reason the output does not match fallback to the latest version with that spec
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return find_compatible_in_house(distribution, version_spec, for_py_version, to_folder)
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def find_compatible_in_house(distribution, version_spec, for_py_version, in_folder):
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wheels = discover_wheels(in_folder, distribution, None, for_py_version)
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start, end = 0, len(wheels)
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if version_spec is not None and version_spec:
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if version_spec.startswith("<"):
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from_pos, op = 1, lt
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elif version_spec.startswith("=="):
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from_pos, op = 2, eq
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else:
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raise ValueError(version_spec)
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version = Wheel.as_version_tuple(version_spec[from_pos:])
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start = next((at for at, w in enumerate(wheels) if op(w.version_tuple, version)), len(wheels))
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return None if start == end else wheels[start]
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def pip_wheel_env_run(search_dirs, app_data, env):
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env = env.copy()
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env.update({"PIP_USE_WHEEL": "1", "PIP_USER": "0", "PIP_NO_INPUT": "1"})
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wheel = get_wheel(
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distribution="pip",
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version=None,
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for_py_version=f"{sys.version_info.major}.{sys.version_info.minor}",
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search_dirs=search_dirs,
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download=False,
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app_data=app_data,
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do_periodic_update=False,
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env=env,
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)
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if wheel is None:
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msg = "could not find the embedded pip"
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raise RuntimeError(msg)
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env["PYTHONPATH"] = str(wheel.path)
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return env
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__all__ = [
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"download_wheel",
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"get_wheel",
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"pip_wheel_env_run",
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]
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from __future__ import annotations
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from virtualenv.seed.wheels.embed import get_embed_wheel
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from .periodic_update import periodic_update
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from .util import Version, Wheel, discover_wheels
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def from_bundle(distribution, version, for_py_version, search_dirs, app_data, do_periodic_update, env): # noqa: PLR0913
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"""Load the bundled wheel to a cache directory."""
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of_version = Version.of_version(version)
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wheel = load_embed_wheel(app_data, distribution, for_py_version, of_version)
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if version != Version.embed:
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# 2. check if we have upgraded embed
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if app_data.can_update:
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per = do_periodic_update
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wheel = periodic_update(distribution, of_version, for_py_version, wheel, search_dirs, app_data, per, env)
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# 3. acquire from extra search dir
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found_wheel = from_dir(distribution, of_version, for_py_version, search_dirs)
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if found_wheel is not None and (wheel is None or found_wheel.version_tuple > wheel.version_tuple):
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wheel = found_wheel
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return wheel
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def load_embed_wheel(app_data, distribution, for_py_version, version):
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wheel = get_embed_wheel(distribution, for_py_version)
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if wheel is not None:
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version_match = version == wheel.version
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if version is None or version_match:
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with app_data.ensure_extracted(wheel.path, lambda: app_data.house) as wheel_path:
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wheel = Wheel(wheel_path)
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else: # if version does not match ignore
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wheel = None
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return wheel
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def from_dir(distribution, version, for_py_version, directories):
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"""Load a compatible wheel from a given folder."""
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for folder in directories:
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for wheel in discover_wheels(folder, distribution, version, for_py_version):
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return wheel
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return None
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__all__ = [
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"from_bundle",
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"load_embed_wheel",
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]
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from __future__ import annotations
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from pathlib import Path
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from virtualenv.seed.wheels.util import Wheel
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BUNDLE_FOLDER = Path(__file__).absolute().parent
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BUNDLE_SUPPORT = {
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"3.7": {
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"pip": "pip-24.0-py3-none-any.whl",
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"setuptools": "setuptools-68.0.0-py3-none-any.whl",
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"wheel": "wheel-0.42.0-py3-none-any.whl",
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},
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"3.8": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.9": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.10": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.11": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.12": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.13": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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"3.14": {
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"pip": "pip-24.2-py3-none-any.whl",
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"setuptools": "setuptools-74.1.2-py3-none-any.whl",
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"wheel": "wheel-0.44.0-py3-none-any.whl",
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},
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}
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MAX = "3.7"
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def get_embed_wheel(distribution, for_py_version):
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path = BUNDLE_FOLDER / (BUNDLE_SUPPORT.get(for_py_version, {}) or BUNDLE_SUPPORT[MAX]).get(distribution)
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return Wheel.from_path(path)
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__all__ = [
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"BUNDLE_FOLDER",
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"BUNDLE_SUPPORT",
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"MAX",
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"get_embed_wheel",
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]
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"""Periodically update bundled versions."""
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from __future__ import annotations
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import json
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import logging
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import os
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import ssl
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import sys
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from datetime import datetime, timedelta, timezone
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from itertools import groupby
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from pathlib import Path
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from shutil import copy2
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from subprocess import DEVNULL, Popen
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from textwrap import dedent
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from threading import Thread
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from urllib.error import URLError
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from urllib.request import urlopen
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from virtualenv.app_data import AppDataDiskFolder
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from virtualenv.seed.wheels.embed import BUNDLE_SUPPORT
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from virtualenv.seed.wheels.util import Wheel
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from virtualenv.util.subprocess import CREATE_NO_WINDOW
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GRACE_PERIOD_CI = timedelta(hours=1) # prevent version switch in the middle of a CI run
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GRACE_PERIOD_MINOR = timedelta(days=28)
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UPDATE_PERIOD = timedelta(days=14)
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UPDATE_ABORTED_DELAY = timedelta(hours=1)
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def periodic_update( # noqa: PLR0913
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distribution,
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of_version,
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for_py_version,
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wheel,
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search_dirs,
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app_data,
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do_periodic_update,
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env,
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):
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if do_periodic_update:
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handle_auto_update(distribution, for_py_version, wheel, search_dirs, app_data, env)
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now = datetime.now(tz=timezone.utc)
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def _update_wheel(ver):
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updated_wheel = Wheel(app_data.house / ver.filename)
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logging.debug("using %supdated wheel %s", "periodically " if updated_wheel else "", updated_wheel)
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return updated_wheel
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u_log = UpdateLog.from_app_data(app_data, distribution, for_py_version)
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if of_version is None:
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for _, group in groupby(u_log.versions, key=lambda v: v.wheel.version_tuple[0:2]):
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# use only latest patch version per minor, earlier assumed to be buggy
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all_patches = list(group)
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ignore_grace_period_minor = any(version for version in all_patches if version.use(now))
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for version in all_patches:
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if wheel is not None and Path(version.filename).name == wheel.name:
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return wheel
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if version.use(now, ignore_grace_period_minor):
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return _update_wheel(version)
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else:
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for version in u_log.versions:
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if version.wheel.version == of_version:
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return _update_wheel(version)
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return wheel
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def handle_auto_update(distribution, for_py_version, wheel, search_dirs, app_data, env): # noqa: PLR0913
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embed_update_log = app_data.embed_update_log(distribution, for_py_version)
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u_log = UpdateLog.from_dict(embed_update_log.read())
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if u_log.needs_update:
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u_log.periodic = True
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u_log.started = datetime.now(tz=timezone.utc)
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embed_update_log.write(u_log.to_dict())
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trigger_update(distribution, for_py_version, wheel, search_dirs, app_data, periodic=True, env=env)
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def add_wheel_to_update_log(wheel, for_py_version, app_data):
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embed_update_log = app_data.embed_update_log(wheel.distribution, for_py_version)
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logging.debug("adding %s information to %s", wheel.name, embed_update_log.file)
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u_log = UpdateLog.from_dict(embed_update_log.read())
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if any(version.filename == wheel.name for version in u_log.versions):
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logging.warning("%s already present in %s", wheel.name, embed_update_log.file)
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return
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# we don't need a release date for sources other than "periodic"
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version = NewVersion(wheel.name, datetime.now(tz=timezone.utc), None, "download")
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u_log.versions.append(version) # always write at the end for proper updates
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embed_update_log.write(u_log.to_dict())
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DATETIME_FMT = "%Y-%m-%dT%H:%M:%S.%fZ"
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def dump_datetime(value):
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return None if value is None else value.strftime(DATETIME_FMT)
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def load_datetime(value):
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return None if value is None else datetime.strptime(value, DATETIME_FMT).replace(tzinfo=timezone.utc)
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class NewVersion: # noqa: PLW1641
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def __init__(self, filename, found_date, release_date, source) -> None:
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self.filename = filename
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self.found_date = found_date
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self.release_date = release_date
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self.source = source
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@classmethod
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||||
def from_dict(cls, dictionary):
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||||
return cls(
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filename=dictionary["filename"],
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found_date=load_datetime(dictionary["found_date"]),
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release_date=load_datetime(dictionary["release_date"]),
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source=dictionary["source"],
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)
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||||
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def to_dict(self):
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return {
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"filename": self.filename,
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"release_date": dump_datetime(self.release_date),
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"found_date": dump_datetime(self.found_date),
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"source": self.source,
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||||
}
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def use(self, now, ignore_grace_period_minor=False, ignore_grace_period_ci=False): # noqa: FBT002
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if self.source == "manual":
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return True
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if self.source == "periodic" and (self.found_date < now - GRACE_PERIOD_CI or ignore_grace_period_ci):
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if not ignore_grace_period_minor:
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compare_from = self.release_date or self.found_date
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return now - compare_from >= GRACE_PERIOD_MINOR
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return True
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return False
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||||
def __repr__(self) -> str:
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return (
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f"{self.__class__.__name__}(filename={self.filename}), found_date={self.found_date}, "
|
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f"release_date={self.release_date}, source={self.source})"
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||||
)
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||||
|
||||
def __eq__(self, other):
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return type(self) == type(other) and all( # noqa: E721
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getattr(self, k) == getattr(other, k) for k in ["filename", "release_date", "found_date", "source"]
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)
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||||
def __ne__(self, other):
|
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return not (self == other)
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||||
@property
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||||
def wheel(self):
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return Wheel(Path(self.filename))
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||||
|
||||
|
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class UpdateLog:
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||||
def __init__(self, started, completed, versions, periodic) -> None:
|
||||
self.started = started
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self.completed = completed
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self.versions = versions
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||||
self.periodic = periodic
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||||
|
||||
@classmethod
|
||||
def from_dict(cls, dictionary):
|
||||
if dictionary is None:
|
||||
dictionary = {}
|
||||
return cls(
|
||||
load_datetime(dictionary.get("started")),
|
||||
load_datetime(dictionary.get("completed")),
|
||||
[NewVersion.from_dict(v) for v in dictionary.get("versions", [])],
|
||||
dictionary.get("periodic"),
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||||
)
|
||||
|
||||
@classmethod
|
||||
def from_app_data(cls, app_data, distribution, for_py_version):
|
||||
raw_json = app_data.embed_update_log(distribution, for_py_version).read()
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||||
return cls.from_dict(raw_json)
|
||||
|
||||
def to_dict(self):
|
||||
return {
|
||||
"started": dump_datetime(self.started),
|
||||
"completed": dump_datetime(self.completed),
|
||||
"periodic": self.periodic,
|
||||
"versions": [r.to_dict() for r in self.versions],
|
||||
}
|
||||
|
||||
@property
|
||||
def needs_update(self):
|
||||
now = datetime.now(tz=timezone.utc)
|
||||
if self.completed is None: # never completed
|
||||
return self._check_start(now)
|
||||
if now - self.completed <= UPDATE_PERIOD:
|
||||
return False
|
||||
return self._check_start(now)
|
||||
|
||||
def _check_start(self, now):
|
||||
return self.started is None or now - self.started > UPDATE_ABORTED_DELAY
|
||||
|
||||
|
||||
def trigger_update(distribution, for_py_version, wheel, search_dirs, app_data, env, periodic): # noqa: PLR0913
|
||||
wheel_path = None if wheel is None else str(wheel.path)
|
||||
cmd = [
|
||||
sys.executable,
|
||||
"-c",
|
||||
dedent(
|
||||
"""
|
||||
from virtualenv.report import setup_report, MAX_LEVEL
|
||||
from virtualenv.seed.wheels.periodic_update import do_update
|
||||
setup_report(MAX_LEVEL, show_pid=True)
|
||||
do_update({!r}, {!r}, {!r}, {!r}, {!r}, {!r})
|
||||
""",
|
||||
)
|
||||
.strip()
|
||||
.format(distribution, for_py_version, wheel_path, str(app_data), [str(p) for p in search_dirs], periodic),
|
||||
]
|
||||
debug = env.get("_VIRTUALENV_PERIODIC_UPDATE_INLINE") == "1"
|
||||
pipe = None if debug else DEVNULL
|
||||
kwargs = {"stdout": pipe, "stderr": pipe}
|
||||
if not debug and sys.platform == "win32":
|
||||
kwargs["creationflags"] = CREATE_NO_WINDOW
|
||||
process = Popen(cmd, **kwargs)
|
||||
logging.info(
|
||||
"triggered periodic upgrade of %s%s (for python %s) via background process having PID %d",
|
||||
distribution,
|
||||
"" if wheel is None else f"=={wheel.version}",
|
||||
for_py_version,
|
||||
process.pid,
|
||||
)
|
||||
if debug:
|
||||
process.communicate() # on purpose not called to make it a background process
|
||||
else:
|
||||
# set the returncode here -> no ResourceWarning on main process exit if the subprocess still runs
|
||||
process.returncode = 0
|
||||
|
||||
|
||||
def do_update(distribution, for_py_version, embed_filename, app_data, search_dirs, periodic): # noqa: PLR0913
|
||||
versions = None
|
||||
try:
|
||||
versions = _run_do_update(app_data, distribution, embed_filename, for_py_version, periodic, search_dirs)
|
||||
finally:
|
||||
logging.debug("done %s %s with %s", distribution, for_py_version, versions)
|
||||
return versions
|
||||
|
||||
|
||||
def _run_do_update( # noqa: C901, PLR0913
|
||||
app_data,
|
||||
distribution,
|
||||
embed_filename,
|
||||
for_py_version,
|
||||
periodic,
|
||||
search_dirs,
|
||||
):
|
||||
from virtualenv.seed.wheels import acquire # noqa: PLC0415
|
||||
|
||||
wheel_filename = None if embed_filename is None else Path(embed_filename)
|
||||
embed_version = None if wheel_filename is None else Wheel(wheel_filename).version_tuple
|
||||
app_data = AppDataDiskFolder(app_data) if isinstance(app_data, str) else app_data
|
||||
search_dirs = [Path(p) if isinstance(p, str) else p for p in search_dirs]
|
||||
wheelhouse = app_data.house
|
||||
embed_update_log = app_data.embed_update_log(distribution, for_py_version)
|
||||
u_log = UpdateLog.from_dict(embed_update_log.read())
|
||||
now = datetime.now(tz=timezone.utc)
|
||||
|
||||
update_versions, other_versions = [], []
|
||||
for version in u_log.versions:
|
||||
if version.source in {"periodic", "manual"}:
|
||||
update_versions.append(version)
|
||||
else:
|
||||
other_versions.append(version)
|
||||
|
||||
if periodic:
|
||||
source = "periodic"
|
||||
else:
|
||||
source = "manual"
|
||||
# mark the most recent one as source "manual"
|
||||
if update_versions:
|
||||
update_versions[0].source = source
|
||||
|
||||
if wheel_filename is not None:
|
||||
dest = wheelhouse / wheel_filename.name
|
||||
if not dest.exists():
|
||||
copy2(str(wheel_filename), str(wheelhouse))
|
||||
last, last_version, versions, filenames = None, None, [], set()
|
||||
while last is None or not last.use(now, ignore_grace_period_ci=True):
|
||||
download_time = datetime.now(tz=timezone.utc)
|
||||
dest = acquire.download_wheel(
|
||||
distribution=distribution,
|
||||
version_spec=None if last_version is None else f"<{last_version}",
|
||||
for_py_version=for_py_version,
|
||||
search_dirs=search_dirs,
|
||||
app_data=app_data,
|
||||
to_folder=wheelhouse,
|
||||
env=os.environ,
|
||||
)
|
||||
if dest is None or (update_versions and update_versions[0].filename == dest.name):
|
||||
break
|
||||
release_date = release_date_for_wheel_path(dest.path)
|
||||
last = NewVersion(filename=dest.path.name, release_date=release_date, found_date=download_time, source=source)
|
||||
logging.info("detected %s in %s", last, datetime.now(tz=timezone.utc) - download_time)
|
||||
versions.append(last)
|
||||
filenames.add(last.filename)
|
||||
last_wheel = last.wheel
|
||||
last_version = last_wheel.version
|
||||
if embed_version is not None and embed_version >= last_wheel.version_tuple:
|
||||
break # stop download if we reach the embed version
|
||||
u_log.periodic = periodic
|
||||
if not u_log.periodic:
|
||||
u_log.started = now
|
||||
# update other_versions by removing version we just found
|
||||
other_versions = [version for version in other_versions if version.filename not in filenames]
|
||||
u_log.versions = versions + update_versions + other_versions
|
||||
u_log.completed = datetime.now(tz=timezone.utc)
|
||||
embed_update_log.write(u_log.to_dict())
|
||||
return versions
|
||||
|
||||
|
||||
def release_date_for_wheel_path(dest):
|
||||
wheel = Wheel(dest)
|
||||
# the most accurate is to ask PyPi - e.g. https://pypi.org/pypi/pip/json,
|
||||
# see https://warehouse.pypa.io/api-reference/json/ for more details
|
||||
content = _pypi_get_distribution_info_cached(wheel.distribution)
|
||||
if content is not None:
|
||||
try:
|
||||
upload_time = content["releases"][wheel.version][0]["upload_time"]
|
||||
return datetime.strptime(upload_time, "%Y-%m-%dT%H:%M:%S").replace(tzinfo=timezone.utc)
|
||||
except Exception as exception: # noqa: BLE001
|
||||
logging.error("could not load release date %s because %r", content, exception) # noqa: TRY400
|
||||
return None
|
||||
|
||||
|
||||
def _request_context():
|
||||
yield None
|
||||
# fallback to non verified HTTPS (the information we request is not sensitive, so fallback)
|
||||
yield ssl._create_unverified_context() # noqa: S323, SLF001
|
||||
|
||||
|
||||
_PYPI_CACHE = {}
|
||||
|
||||
|
||||
def _pypi_get_distribution_info_cached(distribution):
|
||||
if distribution not in _PYPI_CACHE:
|
||||
_PYPI_CACHE[distribution] = _pypi_get_distribution_info(distribution)
|
||||
return _PYPI_CACHE[distribution]
|
||||
|
||||
|
||||
def _pypi_get_distribution_info(distribution):
|
||||
content, url = None, f"https://pypi.org/pypi/{distribution}/json"
|
||||
try:
|
||||
for context in _request_context():
|
||||
try:
|
||||
with urlopen(url, context=context) as file_handler: # noqa: S310
|
||||
content = json.load(file_handler)
|
||||
break
|
||||
except URLError as exception:
|
||||
logging.error("failed to access %s because %r", url, exception) # noqa: TRY400
|
||||
except Exception as exception: # noqa: BLE001
|
||||
logging.error("failed to access %s because %r", url, exception) # noqa: TRY400
|
||||
return content
|
||||
|
||||
|
||||
def manual_upgrade(app_data, env):
|
||||
threads = []
|
||||
|
||||
for for_py_version, distribution_to_package in BUNDLE_SUPPORT.items():
|
||||
# load extra search dir for the given for_py
|
||||
for distribution in distribution_to_package:
|
||||
thread = Thread(target=_run_manual_upgrade, args=(app_data, distribution, for_py_version, env))
|
||||
thread.start()
|
||||
threads.append(thread)
|
||||
|
||||
for thread in threads:
|
||||
thread.join()
|
||||
|
||||
|
||||
def _run_manual_upgrade(app_data, distribution, for_py_version, env):
|
||||
start = datetime.now(tz=timezone.utc)
|
||||
from .bundle import from_bundle # noqa: PLC0415
|
||||
|
||||
current = from_bundle(
|
||||
distribution=distribution,
|
||||
version=None,
|
||||
for_py_version=for_py_version,
|
||||
search_dirs=[],
|
||||
app_data=app_data,
|
||||
do_periodic_update=False,
|
||||
env=env,
|
||||
)
|
||||
logging.warning(
|
||||
"upgrade %s for python %s with current %s",
|
||||
distribution,
|
||||
for_py_version,
|
||||
"" if current is None else current.name,
|
||||
)
|
||||
versions = do_update(
|
||||
distribution=distribution,
|
||||
for_py_version=for_py_version,
|
||||
embed_filename=current.path,
|
||||
app_data=app_data,
|
||||
search_dirs=[],
|
||||
periodic=False,
|
||||
)
|
||||
|
||||
args = [
|
||||
distribution,
|
||||
for_py_version,
|
||||
datetime.now(tz=timezone.utc) - start,
|
||||
]
|
||||
if versions:
|
||||
args.append("\n".join(f"\t{v}" for v in versions))
|
||||
ver_update = "new entries found:\n%s" if versions else "no new versions found"
|
||||
msg = f"upgraded %s for python %s in %s {ver_update}"
|
||||
logging.warning(msg, *args)
|
||||
|
||||
|
||||
__all__ = [
|
||||
"NewVersion",
|
||||
"UpdateLog",
|
||||
"add_wheel_to_update_log",
|
||||
"do_update",
|
||||
"dump_datetime",
|
||||
"load_datetime",
|
||||
"manual_upgrade",
|
||||
"periodic_update",
|
||||
"release_date_for_wheel_path",
|
||||
"trigger_update",
|
||||
]
|
||||
|
|
@ -0,0 +1,121 @@
|
|||
from __future__ import annotations
|
||||
|
||||
from operator import attrgetter
|
||||
from zipfile import ZipFile
|
||||
|
||||
|
||||
class Wheel:
|
||||
def __init__(self, path) -> None:
|
||||
# https://www.python.org/dev/peps/pep-0427/#file-name-convention
|
||||
# The wheel filename is {distribution}-{version}(-{build tag})?-{python tag}-{abi tag}-{platform tag}.whl
|
||||
self.path = path
|
||||
self._parts = path.stem.split("-")
|
||||
|
||||
@classmethod
|
||||
def from_path(cls, path):
|
||||
if path is not None and path.suffix == ".whl" and len(path.stem.split("-")) >= 5: # noqa: PLR2004
|
||||
return cls(path)
|
||||
return None
|
||||
|
||||
@property
|
||||
def distribution(self):
|
||||
return self._parts[0]
|
||||
|
||||
@property
|
||||
def version(self):
|
||||
return self._parts[1]
|
||||
|
||||
@property
|
||||
def version_tuple(self):
|
||||
return self.as_version_tuple(self.version)
|
||||
|
||||
@staticmethod
|
||||
def as_version_tuple(version):
|
||||
result = []
|
||||
for part in version.split(".")[0:3]:
|
||||
try:
|
||||
result.append(int(part))
|
||||
except ValueError: # noqa: PERF203
|
||||
break
|
||||
if not result:
|
||||
raise ValueError(version)
|
||||
return tuple(result)
|
||||
|
||||
@property
|
||||
def name(self):
|
||||
return self.path.name
|
||||
|
||||
def support_py(self, py_version):
|
||||
name = f"{'-'.join(self.path.stem.split('-')[0:2])}.dist-info/METADATA"
|
||||
with ZipFile(str(self.path), "r") as zip_file:
|
||||
metadata = zip_file.read(name).decode("utf-8")
|
||||
marker = "Requires-Python:"
|
||||
requires = next((i[len(marker) :] for i in metadata.splitlines() if i.startswith(marker)), None)
|
||||
if requires is None: # if it does not specify a python requires the assumption is compatible
|
||||
return True
|
||||
py_version_int = tuple(int(i) for i in py_version.split("."))
|
||||
for require in (i.strip() for i in requires.split(",")):
|
||||
# https://www.python.org/dev/peps/pep-0345/#version-specifiers
|
||||
for operator, check in [
|
||||
("!=", lambda v: py_version_int != v),
|
||||
("==", lambda v: py_version_int == v),
|
||||
("<=", lambda v: py_version_int <= v),
|
||||
(">=", lambda v: py_version_int >= v),
|
||||
("<", lambda v: py_version_int < v),
|
||||
(">", lambda v: py_version_int > v),
|
||||
]:
|
||||
if require.startswith(operator):
|
||||
ver_str = require[len(operator) :].strip()
|
||||
version = tuple((int(i) if i != "*" else None) for i in ver_str.split("."))[0:2]
|
||||
if not check(version):
|
||||
return False
|
||||
break
|
||||
return True
|
||||
|
||||
def __repr__(self) -> str:
|
||||
return f"{self.__class__.__name__}({self.path})"
|
||||
|
||||
def __str__(self) -> str:
|
||||
return str(self.path)
|
||||
|
||||
|
||||
def discover_wheels(from_folder, distribution, version, for_py_version):
|
||||
wheels = []
|
||||
for filename in from_folder.iterdir():
|
||||
wheel = Wheel.from_path(filename)
|
||||
if (
|
||||
wheel
|
||||
and wheel.distribution == distribution
|
||||
and (version is None or wheel.version == version)
|
||||
and wheel.support_py(for_py_version)
|
||||
):
|
||||
wheels.append(wheel)
|
||||
return sorted(wheels, key=attrgetter("version_tuple", "distribution"), reverse=True)
|
||||
|
||||
|
||||
class Version:
|
||||
#: the version bundled with virtualenv
|
||||
bundle = "bundle"
|
||||
embed = "embed"
|
||||
#: custom version handlers
|
||||
non_version = (bundle, embed)
|
||||
|
||||
@staticmethod
|
||||
def of_version(value):
|
||||
return None if value in Version.non_version else value
|
||||
|
||||
@staticmethod
|
||||
def as_pip_req(distribution, version):
|
||||
return f"{distribution}{Version.as_version_spec(version)}"
|
||||
|
||||
@staticmethod
|
||||
def as_version_spec(version):
|
||||
of_version = Version.of_version(version)
|
||||
return "" if of_version is None else f"=={of_version}"
|
||||
|
||||
|
||||
__all__ = [
|
||||
"Version",
|
||||
"Wheel",
|
||||
"discover_wheels",
|
||||
]
|
||||
Loading…
Add table
Add a link
Reference in a new issue