mtgencode/scripts/keydiff.py
2015-12-01 13:36:47 -08:00

81 lines
2.4 KiB
Python
Executable file

#!/usr/bin/env python
def parse_keyfile(f, d, constructor = lambda x: x):
for line in f:
kv = map(lambda s: s.strip(), line.split(':'))
if not len(kv) == 2:
continue
d[kv[0]] = constructor(kv[1])
def merge_dicts(d1, d2):
d = {}
for k in d1:
d[k] = (d1[k], d2[k] if k in d2 else None)
for k in d2:
if not k in d:
d[k] = (None, d2[k])
return d
def main(fname1, fname2, verbose = True):
if verbose:
print 'opening ' + fname1 + ' as base key/value store'
print 'opening ' + fname2 + ' as target key/value store'
d1 = {}
d2 = {}
with open(fname1, 'rt') as f1:
parse_keyfile(f1, d1, int)
with open(fname2, 'rt') as f2:
parse_keyfile(f2, d2, int)
tot1 = sum(d1.values())
tot2 = sum(d2.values())
if verbose:
print ' ' + fname1 + ': ' + str(len(d1)) + ', total ' + str(tot1)
print ' ' + fname2 + ': ' + str(len(d2)) + ', total ' + str(tot2)
d_merged = merge_dicts(d1, d2)
ratios = {}
only_1 = {}
only_2 = {}
for k in d_merged:
(v1, v2) = d_merged[k]
if v1 is None:
only_2[k] = v2
elif v2 is None:
only_1[k] = v1
else:
ratios[k] = float(v2 * tot1) / float(v1 * tot2)
print 'shared: ' + str(len(ratios))
for k in sorted(ratios, lambda x,y: cmp(d2[x], d2[y]), reverse=True):
print ' ' + k + ': ' + str(d2[k]) + '/' + str(d1[k]) + ' (' + str(ratios[k]) + ')'
print ''
print '1 only: ' + str(len(only_1))
for k in sorted(only_1, lambda x,y: cmp(d1[x], d1[y]), reverse=True):
print ' ' + k + ': ' + str(d1[k])
print ''
print '2 only: ' + str(len(only_2))
for k in sorted(only_2, lambda x,y: cmp(d2[x], d2[y]), reverse=True):
print ' ' + k + ': ' + str(d2[k])
print ''
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('file1', #nargs='?'. default=None,
help='base key file to diff against')
parser.add_argument('file2', nargs='?', default=None,
help='other file to compare against the baseline')
parser.add_argument('-v', '--verbose', action='store_true',
help='verbose output')
args = parser.parse_args()
main(args.file1, args.file2, verbose=args.verbose)
exit(0)