| # Copyright 2022 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Parser for ebuild LICENSE settings. |
| |
| Example values we have to handle: |
| LICENSE=" |
| licA |
| licB |
| flag1? ( licC ) |
| !flag1? ( licD ) |
| flag2? ( flag3? ( licE ) ) |
| || ( licF licG ) |
| || ( |
| licH |
| flag4? ( licI licJ ) |
| ) |
| ( licK licL ) |
| " |
| |
| Parsed into: |
| Node |
| LicenseNode(licA) |
| LicenseNode(licB) |
| UseNode(flag1) |
| LicenseNode(licC) |
| UseNode(!flag1) |
| LicenseNode(licD) |
| UseNode(flag2) |
| UseNode(flag3) |
| LicenseNode(licE) |
| AnyOfNode |
| LicenseNode(licF) |
| LicenseNode(licG) |
| AnyOfNode |
| LicenseNode(licH) |
| UseNode(flag4) |
| LicenseNode(licI) |
| LicenseNode(licJ) |
| AllOfNode |
| LicenseNode(licK) |
| LicenseNode(licL) |
| """ |
| |
| import re |
| |
| from chromite.lib.parser import pms_dependency |
| |
| |
| # https://projects.gentoo.org/pms/7/pms.html#x1-220003.1.6 |
| VALID_NAME_RE = re.compile(r"^[A-Za-z0-9+_.-]+$") |
| |
| |
| def parse(data: str) -> pms_dependency.RootNode: |
| """Parse an ebuild license string into a structure.""" |
| return pms_dependency.parse(data, VALID_NAME_RE.match) |
