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oe/license_finder: add first_only argument to find_licenses()

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It may be desired to find only the "top-level" license file instead of
every potential candidate, so add a first_only argument (defaulting to
False to preserve existing behaviour) to return just the first license
found.

(From OE-Core rev: 995936ffda02a1def1863490ec315783a7470c72)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2025-06-13 14:16:14 +01:00
committed by Richard Purdie
parent dc73e3083c
commit f516c4ccf5
1 changed files with 12 additions and 4 deletions
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16
meta/lib/oe/license_finder.py
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@@ -191,12 +191,18 @@ def crunch_license(licfile):
return md5val, lictext
def find_license_files(srctree):
def find_license_files(srctree, first_only=False):
"""
Search srctree for files that look like they could be licenses.
If first_only is True, only return the first file found.
"""
licspecs = ['*LICEN[CS]E*', 'COPYING*', '*[Ll]icense*', 'LEGAL*', '[Ll]egal*', '*GPL*', 'README.lic*', 'COPYRIGHT*', '[Cc]opyright*', 'e[dp]l-v10']
skip_extensions = (".html", ".js", ".json", ".svg", ".ts", ".go", ".sh")
licfiles = []
for root, dirs, files in os.walk(srctree):
for fn in files:
# Sort files so that LICENSE is before LICENSE.subcomponent, which is
# meaningful if first_only is set.
for fn in sorted(files):
if fn.endswith(skip_extensions):
continue
for spec in licspecs:
@@ -204,6 +210,8 @@ def find_license_files(srctree):
fullpath = os.path.join(root, fn)
if not fullpath in licfiles:
licfiles.append(fullpath)
if first_only:
return licfiles
return licfiles
@@ -233,8 +241,8 @@ def match_licenses(licfiles, srctree, d):
return licenses
def find_licenses(srctree, d):
licfiles = find_license_files(srctree)
def find_licenses(srctree, d, first_only=False):
licfiles = find_license_files(srctree, first_only)
licenses = match_licenses(licfiles, srctree, d)
# FIXME should we grab at least one source file with a license header and add that too?