annotate contrib/dumprevlog @ 51723:9367571fea21

cext: correct the argument handling of `b85encode()` The type stub indicated that this argument is `Optional`, which implies None is allowed. I don't see in the documentation where that's the case for `i`[1], and trying it in `hg debugshell` resulted in the method failing with a TypeError. I guess it was typed as an `int` argument because the `p` format unit wasn't added until Python 3.3[2]. In any event, 2 clients in core (`pvec` and `obsolete`) call this with no argument supplied, and `mdiff` calls it with True. So I guess we've avoided the None arg case, and when no arg is supplied, it defaults to the 0 initialization of the `pad` variable in C. Since the `p` format unit accepts both `int` and None, as well as `bool`, I'm not bothering to bump the module version- this code is more permissive than it was, in addition to being more correct. Interestingly, when I first imported the `cext` and `pure` methods in the same manner as the previous commit, it dropped the `Optional` part of the argument type when generating `util.pyi`. No idea why. [1] https://docs.python.org/3/c-api/arg.html#numbers [2] https://docs.python.org/3/c-api/arg.html#other-objects
author Matt Harbison <matt_harbison@yahoo.com>
date Sat, 20 Jul 2024 01:55:09 -0400
parents 6000f5b25c9b
children
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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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5
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6 import sys
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7 from mercurial.node import hex
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8 from mercurial import (
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9 encoding,
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10 pycompat,
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11 revlog,
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12 )
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13 from mercurial.utils import procutil
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15 from mercurial.revlogutils import (
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16 constants as revlog_constants,
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17 )
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18
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19 for fp in (sys.stdin, sys.stdout, sys.stderr):
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20 procutil.setbinary(fp)
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22
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23 def binopen(path, mode=b'rb'):
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24 if b'b' not in mode:
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25 mode = mode + b'b'
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26 return open(path, pycompat.sysstr(mode))
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27
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29 binopen.options = {}
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31
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32 def printb(data, end=b'\n'):
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33 sys.stdout.flush()
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34 procutil.stdout.write(data + end)
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36
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37 for f in sys.argv[1:]:
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38 localf = encoding.strtolocal(f)
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39 if not localf.endswith(b'.i'):
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40 print("file:", f, file=sys.stderr)
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41 print(" invalid filename", file=sys.stderr)
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42
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43 r = revlog.revlog(
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44 binopen,
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45 target=(revlog_constants.KIND_OTHER, b'dump-revlog'),
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46 radix=localf[:-2],
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47 )
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48 print("file:", f)
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49 for i in r:
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50 n = r.node(i)
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51 p = r.parents(n)
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52 d = r.revision(n)
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53 printb(b"node: %s" % hex(n))
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54 printb(b"linkrev: %d" % r.linkrev(i))
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55 printb(b"parents: %s %s" % (hex(p[0]), hex(p[1])))
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56 printb(b"length: %d" % len(d))
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57 printb(b"-start-")
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58 printb(d)
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59 printb(b"-end-")