Mercurial > hg
annotate tests/logexceptions.py @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | 8de90e006c78 |
children | 2372284d9457 |
rev | line source |
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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 Matt Mackall <mpm@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 def handleexception(orig, ui): |
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22 res = orig(ui) |
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23 |
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24 if not ui.environ.get(b'HGEXCEPTIONSDIR'): |
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25 return res |
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26 |
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27 dest = os.path.join(ui.environ[b'HGEXCEPTIONSDIR'], |
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28 str(uuid.uuid4()).encode('ascii')) |
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29 |
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30 exc_type, exc_value, exc_tb = sys.exc_info() |
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31 |
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32 stack = [] |
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33 tb = exc_tb |
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34 while tb: |
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35 stack.append(tb) |
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36 tb = tb.tb_next |
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37 stack.reverse() |
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38 |
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39 hgframe = 'unknown' |
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40 hgline = 'unknown' |
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41 |
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42 # Find the first Mercurial frame in the stack. |
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43 for tb in stack: |
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44 mod = inspect.getmodule(tb) |
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45 if not mod.__name__.startswith(('hg', 'mercurial')): |
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46 continue |
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47 |
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48 frame = tb.tb_frame |
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49 |
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50 try: |
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51 with open(inspect.getsourcefile(tb), 'r') as fh: |
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52 hgline = fh.readlines()[frame.f_lineno - 1].strip() |
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53 except (IndexError, OSError): |
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54 pass |
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55 |
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56 hgframe = '%s:%d' % (frame.f_code.co_filename, frame.f_lineno) |
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57 break |
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58 |
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59 primary = traceback.extract_tb(exc_tb)[-1] |
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60 primaryframe = '%s:%d' % (primary.filename, primary.lineno) |
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61 |
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62 with open(dest, 'wb') as fh: |
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63 parts = [ |
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64 str(exc_value), |
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65 primaryframe, |
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66 hgframe, |
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67 hgline, |
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68 ui.environ[b'TESTNAME'].decode('utf-8', 'replace'), |
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69 ] |
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70 fh.write(b'\0'.join(p.encode('utf-8', 'replace') for p in parts)) |
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71 |
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72 def extsetup(ui): |
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73 extensions.wrapfunction(dispatch, 'handlecommandexception', |
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74 handleexception) |