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Track mtimes for info.json files

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This allows us to skip validation when the file has not been changed
since the last time it was validated.
This commit is contained in:
Zach White 2021-06-26 23:33:13 -07:00
parent 07b8035ba9
commit b4e18c9019
1 changed files with 42 additions and 8 deletions
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36
lib/python/qmk/metadata.py
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@ -2,6 +2,7 @@
"""
from functools import lru_cache
from glob import glob
import os
from pathlib import Path
import jsonschema
@ -23,7 +24,7 @@ false_values = ['0', 'off', 'no', 'false']
def basic_info_json(keyboard):
"""Generate a subset of info.json for a specific keyboard.
This does no validation, and should only be used as needed to avoid loops or when performance is critical.
This does minimal validation, and should only be used as needed to avoid loops or when performance is critical.
"""
cur_dir = Path('keyboards')
rules = parse_rules_mk_file(cur_dir / keyboard / 'rules.mk')
@ -428,6 +429,36 @@ def unknown_processor_rules(info_data, rules):
return info_data
def store_mtime(file):
"""Stores the mtime for a json file.
"""
cli.log.debug('store_mtime(%s)', file)
mtime = str(os.stat(file).st_mtime)
cache_file = f'.build/json_times/{file}'
cache_dir = os.path.dirname(cache_file)
os.makedirs(cache_dir, exist_ok=True)
with open(cache_file, 'w') as fd:
fd.write(mtime)
def has_been_validated(file):
"""Returns True if file is in the json cache.
"""
cli.log.debug('has_been_validated(%s)', file)
mtime_file = f'.build/json_times/{file}'
if os.path.exists(mtime_file):
with open(mtime_file) as fd:
cache_mtime = fd.read()
cache_mtime = cache_mtime.strip()
file_mtime = str(os.stat(file).st_mtime)
if cache_mtime == file_mtime:
return True
else:
os.remove(mtime_file)
return False
def merge_info_jsons(keyboard, info_data):
"""Return a merged copy of all the info.json files for a keyboard.
"""
@ -439,6 +470,7 @@ def merge_info_jsons(keyboard, info_data):
info_log_error(info_data, "Invalid file %s, root object should be a dictionary." % (str(info_file),))
continue
if not has_been_validated(info_file):
try:
validate(new_info_data, 'qmk.keyboard.v1')
except jsonschema.ValidationError as e:
@ -447,6 +479,8 @@ def merge_info_jsons(keyboard, info_data):
cli.log.error('\t%s: %s', json_path, e.message)
continue
store_mtime(info_file)
# Merge layout data in
if 'layout_aliases' in new_info_data:
info_data['layout_aliases'] = {**info_data.get('layout_aliases', {}), **new_info_data['layout_aliases']}