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Modified readmdir/readtree to make reading non-truncated data easier

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This commit is contained in:
Christopher Haster
2020-01-30 16:05:42 -06:00
parent fc354801fa
commit 75cd51b39e
2 changed files with 33 additions and 65 deletions
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37
scripts/readmdir.py
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@@ -2,6 +2,7 @@
import struct
import binascii
import sys
import itertools as it
TAG_TYPES = {
@@ -271,37 +272,39 @@ class MetadataPair:
raise KeyError(gmask, gtag)
def _dump_tags(self, tags, truncate=True):
sys.stdout.write("%-8s %-8s %-13s %4s %4s %s\n" % (
'off', 'tag', 'type', 'id', 'len',
'data (truncated)' if truncate else 12*' '+'data'))
def _dump_tags(self, tags, f=sys.stdout, truncate=True):
f.write("%-8s %-8s %-13s %4s %4s" % (
'off', 'tag', 'type', 'id', 'len'))
if truncate:
f.write(' data (truncated)')
f.write('\n')
for tag in tags:
sys.stdout.write("%08x: %08x %-13s %4s %4s" % (
f.write("%08x: %08x %-13s %4s %4s" % (
tag.off, tag,
tag.typerepr(), tag.idrepr(), tag.sizerepr()))
if truncate:
sys.stdout.write(" %-23s %-8s\n" % (
f.write(" %-23s %-8s\n" % (
' '.join('%02x' % c for c in tag.data[:8]),
''.join(c if c >= ' ' and c <= '~' else '.'
for c in map(chr, tag.data[:8]))))
else:
sys.stdout.write("\n")
f.write("\n")
for i in range(0, len(tag.data), 16):
sys.stdout.write("%08x: %-47s %-16s\n" % (
f.write(" %08x: %-47s %-16s\n" % (
tag.off+i,
' '.join('%02x' % c for c in tag.data[i:i+16]),
''.join(c if c >= ' ' and c <= '~' else '.'
for c in map(chr, tag.data[i:i+16]))))
def dump_tags(self, truncate=True):
self._dump_tags(self.tags, truncate=truncate)
def dump_tags(self, f=sys.stdout, truncate=True):
self._dump_tags(self.tags, f=f, truncate=truncate)
def dump_log(self, truncate=True):
self._dump_tags(self.log, truncate=truncate)
def dump_log(self, f=sys.stdout, truncate=True):
self._dump_tags(self.log, f=f, truncate=truncate)
def dump_all(self, truncate=True):
self._dump_tags(self.all_, truncate=truncate)
def dump_all(self, f=sys.stdout, truncate=True):
self._dump_tags(self.all_, f=f, truncate=truncate)
def main(args):
blocks = []
@@ -337,10 +340,10 @@ if __name__ == "__main__":
help="First block address for finding the metadata pair.")
parser.add_argument('block2', nargs='?', type=lambda x: int(x, 0),
help="Second block address for finding the metadata pair.")
parser.add_argument('-a', '--all', action='store_true',
help="Show all tags in log, included tags in corrupted commits.")
parser.add_argument('-l', '--log', action='store_true',
help="Show tags in log.")
parser.add_argument('-a', '--all', action='store_true',
help="Show all tags in log, included tags in corrupted commits.")
parser.add_argument('-T', '--no-truncate', action='store_true',
help="Don't truncate large amounts of data in tags.")
help="Don't truncate large amounts of data.")
sys.exit(main(parser.parse_args()))