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Viewing changes to bzrlib/win32utils.py

  • Committer: Andrew Bennetts
  • Date: 2010-10-13 00:26:41 UTC
  • mto: This revision was merged to the branch mainline in revision 5498.
  • Revision ID: andrew.bennetts@canonical.com-20101013002641-9tlh9k89mlj1666m
Keep docs-plain working.

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bzrlib/win32utils.py
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def get_app_path(appname):
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    r"""Look up in Windows registry for full path to application executable.
 
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    """Look up in Windows registry for full path to application executable.
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    Typically, applications create subkey with their basename
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    in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\
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        return argv
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else:
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    get_unicode_argv = None
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if has_win32api:
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    def _pywin32_is_local_pid_dead(pid):
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        """True if pid doesn't correspond to live process on this machine"""
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        try:
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            handle = win32api.OpenProcess(1, False, pid) # PROCESS_TERMINATE
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        except pywintypes.error, e:
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            if e[0] == 5: # ERROR_ACCESS_DENIED
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                # Probably something alive we're not allowed to kill
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                return False
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            elif e[0] == 87: # ERROR_INVALID_PARAMETER
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                return True
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            raise
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        handle.close()
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        return False
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    is_local_pid_dead = _pywin32_is_local_pid_dead
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elif has_ctypes and sys.platform == 'win32':
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    from ctypes.wintypes import BOOL, DWORD, HANDLE
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    _kernel32 = ctypes.windll.kernel32
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    _CloseHandle = ctypes.WINFUNCTYPE(BOOL, HANDLE)(
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        ("CloseHandle", _kernel32))
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    _OpenProcess = ctypes.WINFUNCTYPE(HANDLE, DWORD, BOOL, DWORD)(
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        ("OpenProcess", _kernel32))
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    def _ctypes_is_local_pid_dead(pid):
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        """True if pid doesn't correspond to live process on this machine"""
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        handle = _OpenProcess(1, False, pid) # PROCESS_TERMINATE
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        if not handle:
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            errorcode = ctypes.GetLastError()
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            if errorcode == 5: # ERROR_ACCESS_DENIED
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                # Probably something alive we're not allowed to kill
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                return False
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            elif errorcode == 87: # ERROR_INVALID_PARAMETER
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                return True
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            raise ctypes.WinError(errorcode)
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        _CloseHandle(handle)
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        return False
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    is_local_pid_dead = _ctypes_is_local_pid_dead