Mercurial > hg
annotate mercurial/cffi/mpatch.py @ 41852:db3098d02a6d
setup: exclude some internal UCRT files
When attempting to build the Inno installer locally, I was getting
several file not found errors when py2exe was crawling DLL
dependencies. The missing DLLs appear to be "internal" DLLs
used by the Universal C Runtime (UCRT). In many cases, the
missing DLLs don't appear to exist on my system at all!
Some of the DLLs have version numbers that appear to be N+1
of what the existing version number is. Maybe the "public" UCRT
DLLs are probing for version N+1 at load time and py2exe is
picking these up? Who knows.
This commit adds the non-public UCRT DLLs as found by
py2exe on my system to the excluded DLLs set. After this
change, I'm able to produce an Inno installer with an
appropriate set of DLLs.
Differential Revision: https://phab.mercurial-scm.org/D6065
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 03 Mar 2019 14:08:25 -0800 |
parents | 857876ebaed4 |
children | 2372284d9457 |
rev | line source |
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1 # mpatch.py - CFFI implementation of mpatch.c |
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2 # |
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3 # Copyright 2016 Maciej Fijalkowski <fijall@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 from ..pure.mpatch import * |
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11 from ..pure.mpatch import mpatchError # silence pyflakes |
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12 from . import _mpatch |
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13 |
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14 ffi = _mpatch.ffi |
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15 lib = _mpatch.lib |
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16 |
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17 @ffi.def_extern() |
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18 def cffi_get_next_item(arg, pos): |
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19 all, bins = ffi.from_handle(arg) |
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20 container = ffi.new("struct mpatch_flist*[1]") |
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21 to_pass = ffi.new("char[]", str(bins[pos])) |
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22 all.append(to_pass) |
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23 r = lib.mpatch_decode(to_pass, len(to_pass) - 1, container) |
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24 if r < 0: |
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25 return ffi.NULL |
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26 return container[0] |
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27 |
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28 def patches(text, bins): |
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29 lgt = len(bins) |
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30 all = [] |
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31 if not lgt: |
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32 return text |
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33 arg = (all, bins) |
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34 patch = lib.mpatch_fold(ffi.new_handle(arg), |
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35 lib.cffi_get_next_item, 0, lgt) |
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36 if not patch: |
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37 raise mpatchError("cannot decode chunk") |
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38 outlen = lib.mpatch_calcsize(len(text), patch) |
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39 if outlen < 0: |
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40 lib.mpatch_lfree(patch) |
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41 raise mpatchError("inconsistency detected") |
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42 buf = ffi.new("char[]", outlen) |
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43 if lib.mpatch_apply(buf, text, len(text), patch) < 0: |
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44 lib.mpatch_lfree(patch) |
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45 raise mpatchError("error applying patches") |
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46 res = ffi.buffer(buf, outlen)[:] |
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47 lib.mpatch_lfree(patch) |
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48 return res |