#! /usr/bin/python
|
#
|
# This file and its contents are supplied under the terms of the
|
# Common Development and Distribution License ("CDDL"), version 1.0.
|
# You may only use this file in accordance with the terms of version
|
# 1.0 of the CDDL.
|
#
|
# A full copy of the text of the CDDL should have accompanied this
|
# source. A copy of the CDDL is also available via the Internet at
|
# http://www.illumos.org/license/CDDL.
|
#
|
|
#
|
# Copyright 2022 Marcel Telka
|
#
|
|
#
|
# Usage:
|
# python-requires PACKAGE [EXTRA]
|
#
|
# Print requirements for PACKAGE. Evaluated and normalized.
|
# If PACKAGE is - evaluate and normalize stdin.
|
# With optional EXTRA argument passed print requirements for such extra only.
|
#
|
|
import sys
|
import re
|
|
try:
|
from importlib.metadata import requires
|
from packaging.requirements import Requirement
|
import subprocess
|
except:
|
exit()
|
|
if len(sys.argv) < 2:
|
exit()
|
|
e = {'extra': sys.argv[2]} if len(sys.argv) > 2 else None
|
reqs = requires(sys.argv[1]) if sys.argv[1] != "-" else sys.stdin.readlines()
|
|
try:
|
for req in reqs:
|
try:
|
r = Requirement(re.sub(r"#.*", "", req))
|
except:
|
continue
|
m = r.marker
|
if (not m and not e) or (m and m.evaluate(e) and (not e or not m.evaluate())):
|
print(re.sub(r"[-_.]+", "-", r.name).lower())
|
for extra in r.extras:
|
subprocess.run([sys.argv[0], r.name, extra])
|
except:
|
pass
|
