Mercurial > hg
annotate tests/killdaemons.py @ 28573:6a42564081cb
shelve: adds restoring newly created branch (issue5048) (BC)
Before this patch shelve never preserved branch information,
so after applying unshelve branch was the same as it was
on working copy no matter in which branch shelve took place.
This patch makes bare shelving(with no files specified, without
interactive,include and exclude option) remembers information if
the working directory was on newly created branch ,in other words
working directory was on different branch than its first parent.
In this situation unshelving restores branch information to the working
directory.
author | liscju <piotr.listkiewicz@gmail.com> |
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date | Wed, 10 Feb 2016 02:23:27 +0100 |
parents | 123c99034cb6 |
children | 05cb9c6f310e |
rev | line source |
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1 #!/usr/bin/env python |
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2 |
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3 import os, sys, time, errno, signal |
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4 |
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5 if os.name =='nt': |
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6 import ctypes |
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7 |
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8 def _check(ret, expectederr=None): |
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9 if ret == 0: |
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10 winerrno = ctypes.GetLastError() |
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11 if winerrno == expectederr: |
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12 return True |
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13 raise ctypes.WinError(winerrno) |
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14 |
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15 def kill(pid, logfn, tryhard=True): |
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16 logfn('# Killing daemon process %d' % pid) |
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17 PROCESS_TERMINATE = 1 |
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18 PROCESS_QUERY_INFORMATION = 0x400 |
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19 SYNCHRONIZE = 0x00100000 |
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20 WAIT_OBJECT_0 = 0 |
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21 WAIT_TIMEOUT = 258 |
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22 handle = ctypes.windll.kernel32.OpenProcess( |
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23 PROCESS_TERMINATE|SYNCHRONIZE|PROCESS_QUERY_INFORMATION, |
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24 False, pid) |
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25 if handle == 0: |
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26 _check(0, 87) # err 87 when process not found |
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27 return # process not found, already finished |
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28 try: |
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29 r = ctypes.windll.kernel32.WaitForSingleObject(handle, 100) |
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30 if r == WAIT_OBJECT_0: |
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31 pass # terminated, but process handle still available |
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32 elif r == WAIT_TIMEOUT: |
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33 _check(ctypes.windll.kernel32.TerminateProcess(handle, -1)) |
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34 else: |
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35 _check(r) |
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36 |
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37 # TODO?: forcefully kill when timeout |
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38 # and ?shorter waiting time? when tryhard==True |
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39 r = ctypes.windll.kernel32.WaitForSingleObject(handle, 100) |
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40 # timeout = 100 ms |
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41 if r == WAIT_OBJECT_0: |
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42 pass # process is terminated |
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43 elif r == WAIT_TIMEOUT: |
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44 logfn('# Daemon process %d is stuck') |
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45 else: |
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46 _check(r) # any error |
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47 except: #re-raises |
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48 ctypes.windll.kernel32.CloseHandle(handle) # no _check, keep error |
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49 raise |
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50 _check(ctypes.windll.kernel32.CloseHandle(handle)) |
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51 |
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52 else: |
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53 def kill(pid, logfn, tryhard=True): |
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54 try: |
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55 os.kill(pid, 0) |
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56 logfn('# Killing daemon process %d' % pid) |
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57 os.kill(pid, signal.SIGTERM) |
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58 if tryhard: |
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59 for i in range(10): |
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60 time.sleep(0.05) |
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61 os.kill(pid, 0) |
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62 else: |
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63 time.sleep(0.1) |
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64 os.kill(pid, 0) |
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65 logfn('# Daemon process %d is stuck - really killing it' % pid) |
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66 os.kill(pid, signal.SIGKILL) |
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67 except OSError as err: |
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68 if err.errno != errno.ESRCH: |
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69 raise |
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70 |
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71 def killdaemons(pidfile, tryhard=True, remove=False, logfn=None): |
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72 if not logfn: |
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73 logfn = lambda s: s |
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74 # Kill off any leftover daemon processes |
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75 try: |
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76 fp = open(pidfile) |
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77 for line in fp: |
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78 try: |
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79 pid = int(line) |
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80 except ValueError: |
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81 continue |
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82 kill(pid, logfn, tryhard) |
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83 fp.close() |
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84 if remove: |
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85 os.unlink(pidfile) |
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86 except IOError: |
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87 pass |
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88 |
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89 if __name__ == '__main__': |
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90 if len(sys.argv) > 1: |
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91 path, = sys.argv[1:] |
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92 else: |
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93 path = os.environ["DAEMON_PIDS"] |
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94 |
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95 killdaemons(path) |