82 lines
2.9 KiB
Python
82 lines
2.9 KiB
Python
 
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"""Show or compare the config Klipper builds from macros/klipper-macros.cfg.
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Klipper expands [include ...] in order and merges sections with the same
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name (the last value of an option wins). This script does the same, so a
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refactor can be checked for unintended changes.
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python tools/effective_config.py list sections of the working tree
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python tools/effective_config.py HEAD compare HEAD with the working tree
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python tools/effective_config.py A B compare two git refs
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python tools/effective_config.py HEAD -v also print old/new values
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"""
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import configparser
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import os
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import re
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import subprocess
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import sys
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import tempfile
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ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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BASE = os.path.join('macros', 'klipper-macros.cfg')
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def expand(path):
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lines = []
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with open(path, encoding='utf-8') as f:
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for line in f.read().replace('\r\n', '\n').split('\n'):
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m = re.match(r'^\[include ([^\]]+)\]', line.split('#')[0])
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if m:
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inc = os.path.join(os.path.dirname(path), m.group(1).strip())
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lines += expand(inc)
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else:
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lines.append(line)
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return lines
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def load(root):
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cp = configparser.RawConfigParser(strict=False,
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inline_comment_prefixes=(';', '#'))
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cp.read_string('\n'.join(expand(os.path.join(root, BASE))))
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return {s: dict(cp.items(s)) for s in cp.sections()}
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def checkout(ref, tmp):
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archive = subprocess.run(['git', '-C', ROOT, 'archive', ref, 'macros'],
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check=True, capture_output=True).stdout
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subprocess.run(['tar', '-x', '-C', tmp], input=archive, check=True)
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return tmp
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def main(argv):
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verbose = '-v' in argv
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refs = [a for a in argv if a != '-v']
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with tempfile.TemporaryDirectory() as t1, tempfile.TemporaryDirectory() as t2:
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if not refs:
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for s in sorted(load(ROOT)):
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print(s)
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return 0
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old = load(checkout(refs[0], t1))
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new = load(checkout(refs[1], t2) if len(refs) > 1 else ROOT)
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added, removed = sorted(set(new) - set(old)), sorted(set(old) - set(new))
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changed = 0
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for s in added:
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print('added ', s)
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for s in removed:
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print('removed ', s)
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for s in sorted(set(old) & set(new)):
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keys = sorted(k for k in set(old[s]) | set(new[s])
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if old[s].get(k) != new[s].get(k))
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if keys:
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changed += 1
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print('changed ', s, keys)
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if verbose:
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for k in keys:
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print(' old %s: %r' % (k, old[s].get(k)))
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print(' new %s: %r' % (k, new[s].get(k)))
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print('%d sections, %d added, %d removed, %d changed'
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% (len(new), len(added), len(removed), changed))
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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