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@@ -1,115 +1,119 b'' | |||||
1 | # blackbox.py - log repository events to a file for post-mortem debugging |
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1 | # blackbox.py - log repository events to a file for post-mortem debugging | |
2 | # |
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2 | # | |
3 | # Copyright 2010 Nicolas Dumazet |
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3 | # Copyright 2010 Nicolas Dumazet | |
4 | # Copyright 2013 Facebook, Inc. |
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4 | # Copyright 2013 Facebook, Inc. | |
5 | # |
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5 | # | |
6 | # This software may be used and distributed according to the terms of the |
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6 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2 or any later version. |
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7 | # GNU General Public License version 2 or any later version. | |
8 |
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8 | |||
9 | """log repository events to a blackbox for debugging |
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9 | """log repository events to a blackbox for debugging | |
10 |
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10 | |||
11 | Logs event information to .hg/blackbox.log to help debug and diagnose problems. |
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11 | Logs event information to .hg/blackbox.log to help debug and diagnose problems. | |
12 | The events that get logged can be configured via the blackbox.track config key. |
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12 | The events that get logged can be configured via the blackbox.track config key. | |
13 | Examples: |
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13 | Examples: | |
14 |
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14 | |||
15 | [blackbox] |
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15 | [blackbox] | |
16 | track = * |
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16 | track = * | |
17 |
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17 | |||
18 | [blackbox] |
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18 | [blackbox] | |
19 | track = command, commandfinish, commandexception, exthook, pythonhook |
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19 | track = command, commandfinish, commandexception, exthook, pythonhook | |
20 |
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20 | |||
21 | [blackbox] |
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21 | [blackbox] | |
22 | track = incoming |
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22 | track = incoming | |
23 |
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23 | |||
24 | """ |
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24 | """ | |
25 |
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25 | |||
26 | from mercurial import util, cmdutil |
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26 | from mercurial import util, cmdutil | |
27 | from mercurial.i18n import _ |
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27 | from mercurial.i18n import _ | |
28 | import os, re |
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28 | import os, re | |
29 |
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29 | |||
30 | cmdtable = {} |
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30 | cmdtable = {} | |
31 | command = cmdutil.command(cmdtable) |
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31 | command = cmdutil.command(cmdtable) | |
32 | testedwith = 'internal' |
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32 | testedwith = 'internal' | |
33 | lastblackbox = None |
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33 | lastblackbox = None | |
34 |
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34 | |||
35 | def wrapui(ui): |
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35 | def wrapui(ui): | |
36 | class blackboxui(ui.__class__): |
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36 | class blackboxui(ui.__class__): | |
37 | @util.propertycache |
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37 | @util.propertycache | |
38 | def track(self): |
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38 | def track(self): | |
39 | return ui.configlist('blackbox', 'track', ['*']) |
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39 | return ui.configlist('blackbox', 'track', ['*']) | |
40 |
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40 | |||
41 | def log(self, event, *msg, **opts): |
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41 | def log(self, event, *msg, **opts): | |
42 | global lastblackbox |
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42 | global lastblackbox | |
43 | super(blackboxui, self).log(event, *msg, **opts) |
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43 | super(blackboxui, self).log(event, *msg, **opts) | |
44 |
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44 | |||
45 | if not '*' in self.track and not event in self.track: |
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45 | if not '*' in self.track and not event in self.track: | |
46 | return |
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46 | return | |
47 |
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47 | |||
48 | if util.safehasattr(self, '_blackbox'): |
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48 | if util.safehasattr(self, '_blackbox'): | |
49 | blackbox = self._blackbox |
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49 | blackbox = self._blackbox | |
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50 | elif util.safehasattr(self, '_bbopener'): | |||
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51 | try: | |||
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52 | self._blackbox = self._bbopener('blackbox.log', 'a') | |||
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53 | except (IOError, OSError), err: | |||
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54 | self.debug('warning: cannot write to blackbox.log: %s\n' % | |||
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55 | err.strerror) | |||
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56 | del self._bbopener | |||
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57 | self._blackbox = None | |||
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58 | blackbox = self._blackbox | |||
50 | else: |
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59 | else: | |
51 | # certain ui instances exist outside the context of |
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60 | # certain ui instances exist outside the context of | |
52 | # a repo, so just default to the last blackbox that |
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61 | # a repo, so just default to the last blackbox that | |
53 | # was seen. |
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62 | # was seen. | |
54 | blackbox = lastblackbox |
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63 | blackbox = lastblackbox | |
55 |
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64 | |||
56 | if blackbox: |
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65 | if blackbox: | |
57 | date = util.datestr(None, '%Y/%m/%d %H:%M:%S') |
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66 | date = util.datestr(None, '%Y/%m/%d %H:%M:%S') | |
58 | user = util.getuser() |
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67 | user = util.getuser() | |
59 | formattedmsg = msg[0] % msg[1:] |
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68 | formattedmsg = msg[0] % msg[1:] | |
60 | try: |
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69 | try: | |
61 | blackbox.write('%s %s> %s' % (date, user, formattedmsg)) |
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70 | blackbox.write('%s %s> %s' % (date, user, formattedmsg)) | |
62 | except IOError, err: |
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71 | except IOError, err: | |
63 | self.debug('warning: cannot write to blackbox.log: %s\n' % |
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72 | self.debug('warning: cannot write to blackbox.log: %s\n' % | |
64 | err.strerror) |
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73 | err.strerror) | |
65 | lastblackbox = blackbox |
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74 | lastblackbox = blackbox | |
66 |
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75 | |||
67 | def setrepo(self, repo): |
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76 | def setrepo(self, repo): | |
68 | try: |
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77 | self._bbopener = repo.opener | |
69 | self._blackbox = repo.opener('blackbox.log', 'a') |
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|||
70 | except (IOError, OSError), err: |
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|||
71 | self.debug('warning: cannot write to blackbox.log: %s\n' % |
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72 | err.strerror) |
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73 | self._blackbox = None |
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74 |
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78 | |||
75 | ui.__class__ = blackboxui |
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79 | ui.__class__ = blackboxui | |
76 |
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80 | |||
77 | def uisetup(ui): |
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81 | def uisetup(ui): | |
78 | wrapui(ui) |
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82 | wrapui(ui) | |
79 |
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83 | |||
80 | def reposetup(ui, repo): |
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84 | def reposetup(ui, repo): | |
81 | # During 'hg pull' a httppeer repo is created to represent the remote repo. |
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85 | # During 'hg pull' a httppeer repo is created to represent the remote repo. | |
82 | # It doesn't have a .hg directory to put a blackbox in, so we don't do |
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86 | # It doesn't have a .hg directory to put a blackbox in, so we don't do | |
83 | # the blackbox setup for it. |
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87 | # the blackbox setup for it. | |
84 | if not repo.local(): |
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88 | if not repo.local(): | |
85 | return |
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89 | return | |
86 |
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90 | |||
87 | ui.setrepo(repo) |
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91 | ui.setrepo(repo) | |
88 |
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92 | |||
89 | @command('^blackbox', |
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93 | @command('^blackbox', | |
90 | [('l', 'limit', 10, _('the number of events to show')), |
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94 | [('l', 'limit', 10, _('the number of events to show')), | |
91 | ], |
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95 | ], | |
92 | _('hg blackbox [OPTION]...')) |
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96 | _('hg blackbox [OPTION]...')) | |
93 | def blackbox(ui, repo, *revs, **opts): |
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97 | def blackbox(ui, repo, *revs, **opts): | |
94 | '''view the recent repository events |
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98 | '''view the recent repository events | |
95 | ''' |
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99 | ''' | |
96 |
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100 | |||
97 | if not os.path.exists(repo.join('blackbox.log')): |
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101 | if not os.path.exists(repo.join('blackbox.log')): | |
98 | return |
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102 | return | |
99 |
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103 | |||
100 | limit = opts.get('limit') |
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104 | limit = opts.get('limit') | |
101 | blackbox = repo.opener('blackbox.log', 'r') |
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105 | blackbox = repo.opener('blackbox.log', 'r') | |
102 | lines = blackbox.read().split('\n') |
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106 | lines = blackbox.read().split('\n') | |
103 |
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107 | |||
104 | count = 0 |
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108 | count = 0 | |
105 | output = [] |
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109 | output = [] | |
106 | for line in reversed(lines): |
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110 | for line in reversed(lines): | |
107 | if count >= limit: |
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111 | if count >= limit: | |
108 | break |
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112 | break | |
109 |
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113 | |||
110 | # count the commands by matching lines like: 2013/01/23 19:13:36 root> |
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114 | # count the commands by matching lines like: 2013/01/23 19:13:36 root> | |
111 | if re.match('^\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2} .*> .*', line): |
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115 | if re.match('^\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2} .*> .*', line): | |
112 | count += 1 |
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116 | count += 1 | |
113 | output.append(line) |
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117 | output.append(line) | |
114 |
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118 | |||
115 | ui.status('\n'.join(reversed(output))) |
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119 | ui.status('\n'.join(reversed(output))) |
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