Mercurial > hg
annotate contrib/dumprevlog @ 47305:33e7508b0ae9
hg-cpython: fix new occuring TypeError
dd339191f2dc introduced a minor refactoring of error types that highlighted
a fragile error creation mechanism that was in place in the Rust `MixedIndex`.
`PyErr::from_instance` also accepts a Python class, as long as it's an
`Exception` class. Before the aforementioned commit, we never ran into a case
where this duck-typing mechanism failed. We rectify this behavior by doing the
instantiation ourselves.
Differential Revision: https://phab.mercurial-scm.org/D10764
author | Raphaël Gomès <rgomes@octobus.net> |
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date | Fri, 21 May 2021 17:37:53 +0200 |
parents | 5d5abfdc32d8 |
children | 6000f5b25c9b |
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1 #!/usr/bin/env python3 |
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2 # Dump revlogs as raw data stream |
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3 # $ find .hg/store/ -name "*.i" | xargs dumprevlog > repo.dump |
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4 |
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5 from __future__ import absolute_import, print_function |
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6 |
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7 import sys |
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8 from mercurial.node import hex |
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9 from mercurial import ( |
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10 encoding, |
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11 pycompat, |
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12 revlog, |
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13 ) |
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14 from mercurial.utils import procutil |
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15 |
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16 from mercurial.revlogutils import ( |
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17 constants as revlog_constants, |
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18 ) |
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19 |
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20 for fp in (sys.stdin, sys.stdout, sys.stderr): |
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21 procutil.setbinary(fp) |
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22 |
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23 |
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24 def binopen(path, mode=b'rb'): |
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25 if b'b' not in mode: |
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26 mode = mode + b'b' |
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27 return open(path, pycompat.sysstr(mode)) |
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28 |
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29 |
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30 binopen.options = {} |
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31 |
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32 |
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33 def printb(data, end=b'\n'): |
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34 sys.stdout.flush() |
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35 procutil.stdout.write(data + end) |
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36 |
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37 |
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38 for f in sys.argv[1:]: |
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39 localf = encoding.strtolocal(f) |
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40 if not localf.endswith(b'.i'): |
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41 print("file:", f, file=sys.stderr) |
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43 |
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44 r = revlog.revlog( |
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45 binopen, |
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46 target=(revlog_constants.KIND_OTHER, b'dump-revlog'), |
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47 radix=localf[:-2], |
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48 ) |
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49 print("file:", f) |
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50 for i in r: |
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51 n = r.node(i) |
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52 p = r.parents(n) |
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53 d = r.revision(n) |
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54 printb(b"node: %s" % hex(n)) |
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55 printb(b"linkrev: %d" % r.linkrev(i)) |
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56 printb(b"parents: %s %s" % (hex(p[0]), hex(p[1]))) |
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57 printb(b"length: %d" % len(d)) |
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58 printb(b"-start-") |
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59 printb(d) |
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60 printb(b"-end-") |