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#!/usr/bin/env python3
import os
import subprocess
import sys
# Default directory for caching wheels.
WHEELS_CACHE = os.path.join(".cache", "wheels")
def _split_opts(text):
args = text.split()
assert (len(args) % 2) == 0
return {name: int(nb_args) for name, nb_args in zip(*([iter(args)] * 2))}
# Allowed `pip install/wheel` options.
_PIP_OPTS = _split_opts(
# General.
"""
--isolated 0
-v 0 --verbose 0
-q 0 --quiet 0
--log 1
--proxy 1
--retries 1
--timeout 1
--exists-action 1
--trusted-host 1
--cert 1
--client-cert 1
--cache-dir 1
--no-cache-dir 0
--disable-pip-version-check 0
--progress-bar 1
"""
# Install/Wheel.
"""
-c 1 --constraint 1
-r 1 --requirement 1
--no-deps 0
--use-pep517 0
"""
# Package Index.
"""
-i 1 --index-url 1
--extra-index-url 1
--no-index 0
-f 1 --find-links 1
--process-dependency-links 0
"""
)
# Allowed `pip install` only options.
_PIP_INSTALL_OPTS = _split_opts(
"""
-t 1 --target 1
-U 0 --upgrade 0
--upgrade-strategy 1
--force-reinstall 0
-I 0 --ignore-installed 0
--user 0
--root 1
--prefix 1
--require-hashes 0
--no-warn-script-location 0
"""
)
def _pip(args, pip_install=None, verbose=True, no_progress=True):
if no_progress:
args.append("--progress-bar=off")
cmd = [sys.executable]
if sys.flags.no_site:
cmd.append("-S")
if sys.flags.no_user_site:
cmd.append("-s")
if sys.flags.ignore_environment:
cmd.append("-E")
if pip_install is not None:
cmd.append(pip_install)
else:
cmd.extend(("-m", "pip"))
cmd.extend(args)
if verbose:
print("running", " ".join(cmd), flush=True)
return subprocess.call(cmd)
def install_wheels(
args, pip_install=None, verbose=True, no_install=False, no_progress=True
):
wheels_cache = WHEELS_CACHE
wheel_args = []
install_args = []
while len(args) > 0:
a = args.pop(0)
if not a.startswith("-"):
wheel_args.append(a)
install_args.append(a)
continue
if "=" in a:
a = a.split("=", 1)
args.insert(0, a[1])
a = a[0]
opt = a
if opt == "-w":
wheels_cache = args.pop(0)
continue
if opt == "--no-install":
no_install = True
continue
if opt == "--progress-bar":
if args[0] == "off":
no_progress = True
del args[0]
continue
no_progress = False
if opt in _PIP_OPTS:
nb_args = _PIP_OPTS[opt]
install_only = False
elif opt in _PIP_INSTALL_OPTS:
nb_args = _PIP_INSTALL_OPTS[opt]
install_only = True
else:
raise ValueError("unsupported option: %s" % opt)
a = [opt] + args[:nb_args]
del args[:nb_args]
if not install_only:
wheel_args.extend(a)
install_args.extend(a)
wheel_args[0:0] = ["wheel", "-f", wheels_cache, "-w", wheels_cache]
install_args[0:0] = ["install", "--no-index", "--no-cache-dir", "-f", wheels_cache]
pip_kwargs = dict(pip_install=pip_install, no_progress=no_progress)
code = _pip(wheel_args, **pip_kwargs)
if code == 0 and not no_install:
code = _pip(install_args, **pip_kwargs)
if code != 0:
raise Exception("wheels installation failed: pip execution returned %u" % code)
if __name__ == "__main__":
install_wheels(sys.argv[1:])
|
