annotate tests/logexceptions.py @ 49352:0cc5f74ff7f0 stable 6.1.4

purge: prevent a silly crash with --confirm --files if --files is passed, there was no directory to checks and `msg` was undefined. This is now fixed and tested.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 14 Jun 2022 11:26:18 +0200
parents d4ba4d51f85f
children 6000f5b25c9b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # logexceptions.py - Write files containing info about Mercurial exceptions
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2 #
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3 # Copyright 2017 Olivia Mackall <olivia@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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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 import inspect
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11 import os
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12 import sys
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13 import traceback
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14 import uuid
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15
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16 from mercurial import (
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17 dispatch,
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18 extensions,
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19 )
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20
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21
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22 def handleexception(orig, ui):
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23 res = orig(ui)
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24
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25 if not ui.environ.get(b'HGEXCEPTIONSDIR'):
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26 return res
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27
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28 dest = os.path.join(
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29 ui.environ[b'HGEXCEPTIONSDIR'], str(uuid.uuid4()).encode('ascii')
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30 )
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31
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32 exc_type, exc_value, exc_tb = sys.exc_info()
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33
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34 stack = []
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35 tb = exc_tb
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36 while tb:
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37 stack.append(tb)
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38 tb = tb.tb_next
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39 stack.reverse()
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40
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41 hgframe = 'unknown'
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42 hgline = 'unknown'
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43
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44 # Find the first Mercurial frame in the stack.
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45 for tb in stack:
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46 mod = inspect.getmodule(tb)
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47 if not mod.__name__.startswith(('hg', 'mercurial')):
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48 continue
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49
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50 frame = tb.tb_frame
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51
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52 try:
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53 with open(inspect.getsourcefile(tb), 'r') as fh:
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54 hgline = fh.readlines()[frame.f_lineno - 1].strip()
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55 except (IndexError, OSError):
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56 pass
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57
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58 hgframe = '%s:%d' % (frame.f_code.co_filename, frame.f_lineno)
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59 break
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60
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61 primary = traceback.extract_tb(exc_tb)[-1]
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62 primaryframe = '%s:%d' % (primary.filename, primary.lineno)
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63
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64 with open(dest, 'wb') as fh:
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65 parts = [
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66 str(exc_value),
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67 primaryframe,
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68 hgframe,
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69 hgline,
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70 ui.environ[b'TESTNAME'].decode('utf-8', 'replace'),
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71 ]
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72 fh.write(b'\0'.join(p.encode('utf-8', 'replace') for p in parts))
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73
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74
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75 def extsetup(ui):
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76 extensions.wrapfunction(dispatch, 'handlecommandexception', handleexception)