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support/scripts/pkg-stats: add support for json output

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Pkg-stats is a great script that get a lot of interesting info from
buildroot packages. Unfortunately it is currently designed to output a
static HTML page only. While this is great to include on the
buildroot's website, the HTML is not designed to be easily parsable and
thus it is difficult to reuse it in other scripts.

This patch provide a new option to output a JSON file in addition to the
HTML one.

The old 'output' option has been renamed to 'html' to distinguish from
the new 'json' option.

Signed-off-by: Victor Huesca <victor.huesca@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Victor Huesca 2019-07-19 15:06:29 +02:00 committed by Thomas Petazzoni
parent 365aee0f38
commit 500e1d6241
1 changed files with 44 additions and 4 deletions
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48
support/scripts/pkg-stats
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@ -695,16 +695,52 @@ def dump_html(packages, stats, output):
f.write(html_footer)
def dump_json(packages, stats, output):
# Format packages as a dictionnary instead of a list
# Exclude local field that does not contains real date
excluded_fields = ['url_worker', 'name']
pkgs = {
pkg.name: {
k: v
for k, v in pkg.__dict__.items()
if k not in excluded_fields
} for pkg in packages
}
# Aggregate infrastructures into a single dict entry
statistics = {
k: v
for k, v in stats.items()
if not k.startswith('infra-')
}
statistics['infra'] = {k[6:]: v for k, v in stats.items() if k.startswith('infra-')}
# The actual structure to dump, add commit and date to it
o = subprocess.check_output(["git", "log", "master", "-n", "1", "--pretty=format:%H"])
final = {'packages': pkgs,
'stats': statistics,
'commit': o.splitlines()[0],
'date': str(datetime.datetime.utcnow())}
with open(output, 'w') as f:
json.dump(final, f, indent=2, separators=(',', ': '))
f.write('\n')
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('-o', dest='output', action='store', required=True,
output = parser.add_argument_group('output', 'Output file(s)')
output.add_argument('--html', dest='html', action='store',
help='HTML output file')
output.add_argument('--json', dest='json', action='store',
help='JSON output file')
packages = parser.add_mutually_exclusive_group()
packages.add_argument('-n', dest='npackages', type=int, action='store',
help='Number of packages')
packages.add_argument('-p', dest='packages', action='store',
help='List of packages (comma separated)')
return parser.parse_args()
args = parser.parse_args()
if not args.html and not args.json:
parser.error('at least one of --html or --json (or both) is required')
return args
def __main__():
@ -732,8 +768,12 @@ def __main__():
check_package_latest_version(packages)
print("Calculate stats")
stats = calculate_stats(packages)
print("Write HTML")
dump_html(packages, stats, args.output)
if args.html:
print("Write HTML")
dump_html(packages, stats, args.html)
if args.json:
print("Write JSON")
dump_json(packages, stats, args.json)
__main__()