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

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Added indention so there was a more clear separation between the tag
description and tag data.

Also took the best parts of readmdir.py and added it to readtree.py.
Initially I was thinking it was best for these to have completely
independent data representations, since you could always call readtree
to get more info, but this becomes tedius when needed to look at
low-level tag info across multiple directories on the filesystem.
This commit is contained in:
Christopher Haster
2020-01-30 16:05:42 -06:00
parent f9c2fd93f2
commit 6a550844f4
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()))