mercurial/win32.py
author Gregory Szorc <gregory.szorc@gmail.com>
Wed, 01 Aug 2018 13:00:45 -0700
changeset 38783 e7aa113b14f7
parent 38533 3a0f322af192
child 39611 f3900f4c63d4
permissions -rw-r--r--
global: use pycompat.xrange() On Python 3, our module importer automatically rewrites xrange() to pycompat.xrange(). We want to move away from the custom importer on Python 3. This commit converts all instances of xrange() to use pycompat.xrange(). Differential Revision: https://phab.mercurial-scm.org/D4032
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# win32.py - utility functions that use win32 API
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#
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# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import ctypes
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import ctypes.wintypes as wintypes
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import errno
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import msvcrt
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import os
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import random
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import subprocess
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from . import (
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    encoding,
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    pycompat,
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)
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_kernel32 = ctypes.windll.kernel32
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_advapi32 = ctypes.windll.advapi32
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_user32 = ctypes.windll.user32
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_crypt32 = ctypes.windll.crypt32
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_BOOL = ctypes.c_long
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_WORD = ctypes.c_ushort
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_DWORD = ctypes.c_ulong
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_UINT = ctypes.c_uint
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_LONG = ctypes.c_long
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_LPCSTR = _LPSTR = ctypes.c_char_p
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_HANDLE = ctypes.c_void_p
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_HWND = _HANDLE
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_PCCERT_CONTEXT = ctypes.c_void_p
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_MAX_PATH = wintypes.MAX_PATH
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_INVALID_HANDLE_VALUE = _HANDLE(-1).value
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# GetLastError
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_ERROR_SUCCESS = 0
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_ERROR_NO_MORE_FILES = 18
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_ERROR_INVALID_PARAMETER = 87
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_ERROR_BROKEN_PIPE = 109
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_ERROR_INSUFFICIENT_BUFFER = 122
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_ERROR_NO_DATA = 232
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# WPARAM is defined as UINT_PTR (unsigned type)
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# LPARAM is defined as LONG_PTR (signed type)
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if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
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    _WPARAM = ctypes.c_ulong
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    _LPARAM = ctypes.c_long
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elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
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    _WPARAM = ctypes.c_ulonglong
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    _LPARAM = ctypes.c_longlong
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class _FILETIME(ctypes.Structure):
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    _fields_ = [('dwLowDateTime', _DWORD),
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                ('dwHighDateTime', _DWORD)]
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class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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    _fields_ = [('dwFileAttributes', _DWORD),
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                ('ftCreationTime', _FILETIME),
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                ('ftLastAccessTime', _FILETIME),
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                ('ftLastWriteTime', _FILETIME),
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                ('dwVolumeSerialNumber', _DWORD),
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                ('nFileSizeHigh', _DWORD),
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                ('nFileSizeLow', _DWORD),
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                ('nNumberOfLinks', _DWORD),
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                ('nFileIndexHigh', _DWORD),
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                ('nFileIndexLow', _DWORD)]
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# CreateFile
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_FILE_SHARE_READ = 0x00000001
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_FILE_SHARE_WRITE = 0x00000002
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_FILE_SHARE_DELETE = 0x00000004
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_OPEN_EXISTING = 3
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_FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
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# SetFileAttributes
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_FILE_ATTRIBUTE_NORMAL = 0x80
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_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x2000
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# Process Security and Access Rights
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_PROCESS_QUERY_INFORMATION = 0x0400
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# GetExitCodeProcess
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_STILL_ACTIVE = 259
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class _STARTUPINFO(ctypes.Structure):
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    _fields_ = [('cb', _DWORD),
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                ('lpReserved', _LPSTR),
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                ('lpDesktop', _LPSTR),
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                ('lpTitle', _LPSTR),
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                ('dwX', _DWORD),
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                ('dwY', _DWORD),
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                ('dwXSize', _DWORD),
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                ('dwYSize', _DWORD),
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                ('dwXCountChars', _DWORD),
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                ('dwYCountChars', _DWORD),
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                ('dwFillAttribute', _DWORD),
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                ('dwFlags', _DWORD),
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                ('wShowWindow', _WORD),
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                ('cbReserved2', _WORD),
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                ('lpReserved2', ctypes.c_char_p),
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                ('hStdInput', _HANDLE),
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                ('hStdOutput', _HANDLE),
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                ('hStdError', _HANDLE)]
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class _PROCESS_INFORMATION(ctypes.Structure):
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    _fields_ = [('hProcess', _HANDLE),
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                ('hThread', _HANDLE),
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                ('dwProcessId', _DWORD),
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                ('dwThreadId', _DWORD)]
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_CREATE_NO_WINDOW = 0x08000000
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_SW_HIDE = 0
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class _COORD(ctypes.Structure):
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    _fields_ = [('X', ctypes.c_short),
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                ('Y', ctypes.c_short)]
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class _SMALL_RECT(ctypes.Structure):
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    _fields_ = [('Left', ctypes.c_short),
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                ('Top', ctypes.c_short),
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                ('Right', ctypes.c_short),
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                ('Bottom', ctypes.c_short)]
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class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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    _fields_ = [('dwSize', _COORD),
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                ('dwCursorPosition', _COORD),
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                ('wAttributes', _WORD),
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                ('srWindow', _SMALL_RECT),
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                ('dwMaximumWindowSize', _COORD)]
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_STD_OUTPUT_HANDLE = _DWORD(-11).value
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_STD_ERROR_HANDLE = _DWORD(-12).value
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# CERT_TRUST_STATUS dwErrorStatus
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CERT_TRUST_IS_PARTIAL_CHAIN = 0x10000
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# CertCreateCertificateContext encodings
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X509_ASN_ENCODING = 0x00000001
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PKCS_7_ASN_ENCODING = 0x00010000
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# These structs are only complete enough to achieve what we need.
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class CERT_CHAIN_CONTEXT(ctypes.Structure):
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    _fields_ = (
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        ("cbSize", _DWORD),
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        # CERT_TRUST_STATUS struct
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        ("dwErrorStatus", _DWORD),
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        ("dwInfoStatus", _DWORD),
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        ("cChain", _DWORD),
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        ("rgpChain", ctypes.c_void_p),
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        ("cLowerQualityChainContext", _DWORD),
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        ("rgpLowerQualityChainContext", ctypes.c_void_p),
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        ("fHasRevocationFreshnessTime", _BOOL),
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        ("dwRevocationFreshnessTime", _DWORD),
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    )
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class CERT_USAGE_MATCH(ctypes.Structure):
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    _fields_ = (
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        ("dwType", _DWORD),
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         # CERT_ENHKEY_USAGE struct
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        ("cUsageIdentifier", _DWORD),
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        ("rgpszUsageIdentifier", ctypes.c_void_p), # LPSTR *
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    )
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class CERT_CHAIN_PARA(ctypes.Structure):
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    _fields_ = (
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        ("cbSize", _DWORD),
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        ("RequestedUsage", CERT_USAGE_MATCH),
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        ("RequestedIssuancePolicy", CERT_USAGE_MATCH),
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        ("dwUrlRetrievalTimeout", _DWORD),
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        ("fCheckRevocationFreshnessTime", _BOOL),
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        ("dwRevocationFreshnessTime", _DWORD),
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        ("pftCacheResync", ctypes.c_void_p), # LPFILETIME
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        ("pStrongSignPara", ctypes.c_void_p), # PCCERT_STRONG_SIGN_PARA
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        ("dwStrongSignFlags", _DWORD),
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    )
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# types of parameters of C functions used (required by pypy)
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_crypt32.CertCreateCertificateContext.argtypes = [_DWORD, # cert encoding
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                                                  ctypes.c_char_p, # cert
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                                                  _DWORD] # cert size
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_crypt32.CertCreateCertificateContext.restype = _PCCERT_CONTEXT
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_crypt32.CertGetCertificateChain.argtypes = [
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        ctypes.c_void_p, # HCERTCHAINENGINE
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        _PCCERT_CONTEXT,
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        ctypes.c_void_p, # LPFILETIME
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        ctypes.c_void_p, # HCERTSTORE
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        ctypes.c_void_p, # PCERT_CHAIN_PARA
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        _DWORD,
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        ctypes.c_void_p, # LPVOID
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        ctypes.c_void_p  # PCCERT_CHAIN_CONTEXT *
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    ]
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_crypt32.CertGetCertificateChain.restype = _BOOL
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_crypt32.CertFreeCertificateContext.argtypes = [_PCCERT_CONTEXT]
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_crypt32.CertFreeCertificateContext.restype = _BOOL
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_kernel32.CreateFileA.argtypes = [_LPCSTR, _DWORD, _DWORD, ctypes.c_void_p,
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    _DWORD, _DWORD, _HANDLE]
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_kernel32.CreateFileA.restype = _HANDLE
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_kernel32.GetFileInformationByHandle.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetFileInformationByHandle.restype = _BOOL
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_kernel32.CloseHandle.argtypes = [_HANDLE]
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_kernel32.CloseHandle.restype = _BOOL
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try:
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    _kernel32.CreateHardLinkA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p]
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    _kernel32.CreateHardLinkA.restype = _BOOL
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except AttributeError:
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    pass
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_kernel32.SetFileAttributesA.argtypes = [_LPCSTR, _DWORD]
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_kernel32.SetFileAttributesA.restype = _BOOL
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_DRIVE_UNKNOWN = 0
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_DRIVE_NO_ROOT_DIR = 1
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_DRIVE_REMOVABLE = 2
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_DRIVE_FIXED = 3
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_DRIVE_REMOTE = 4
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_DRIVE_CDROM = 5
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_DRIVE_RAMDISK = 6
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_kernel32.GetDriveTypeA.argtypes = [_LPCSTR]
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_kernel32.GetDriveTypeA.restype = _UINT
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_kernel32.GetVolumeInformationA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD,
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    ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, _DWORD]
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_kernel32.GetVolumeInformationA.restype = _BOOL
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_kernel32.GetVolumePathNameA.argtypes = [_LPCSTR, ctypes.c_void_p, _DWORD]
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_kernel32.GetVolumePathNameA.restype = _BOOL
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_kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD]
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_kernel32.OpenProcess.restype = _HANDLE
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_kernel32.GetExitCodeProcess.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetExitCodeProcess.restype = _BOOL
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_kernel32.GetLastError.argtypes = []
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_kernel32.GetLastError.restype = _DWORD
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_kernel32.GetModuleFileNameA.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD]
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_kernel32.GetModuleFileNameA.restype = _DWORD
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_kernel32.CreateProcessA.argtypes = [_LPCSTR, _LPCSTR, ctypes.c_void_p,
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    ctypes.c_void_p, _BOOL, _DWORD, ctypes.c_void_p, _LPCSTR, ctypes.c_void_p,
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    ctypes.c_void_p]
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_kernel32.CreateProcessA.restype = _BOOL
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_kernel32.ExitProcess.argtypes = [_UINT]
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_kernel32.ExitProcess.restype = None
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_kernel32.GetCurrentProcessId.argtypes = []
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_kernel32.GetCurrentProcessId.restype = _DWORD
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_SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
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_kernel32.SetConsoleCtrlHandler.argtypes = [_SIGNAL_HANDLER, _BOOL]
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_kernel32.SetConsoleCtrlHandler.restype = _BOOL
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_kernel32.SetConsoleMode.argtypes = [_HANDLE, _DWORD]
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_kernel32.SetConsoleMode.restype = _BOOL
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_kernel32.GetConsoleMode.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetConsoleMode.restype = _BOOL
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_kernel32.GetStdHandle.argtypes = [_DWORD]
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_kernel32.GetStdHandle.restype = _HANDLE
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_kernel32.GetConsoleScreenBufferInfo.argtypes = [_HANDLE, ctypes.c_void_p]
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_kernel32.GetConsoleScreenBufferInfo.restype = _BOOL
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_advapi32.GetUserNameA.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
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_advapi32.GetUserNameA.restype = _BOOL
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_user32.GetWindowThreadProcessId.argtypes = [_HANDLE, ctypes.c_void_p]
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_user32.GetWindowThreadProcessId.restype = _DWORD
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_user32.ShowWindow.argtypes = [_HANDLE, ctypes.c_int]
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_user32.ShowWindow.restype = _BOOL
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_WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
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_user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM]
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_user32.EnumWindows.restype = _BOOL
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_kernel32.PeekNamedPipe.argtypes = [_HANDLE, ctypes.c_void_p, _DWORD,
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    ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p]
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_kernel32.PeekNamedPipe.restype = _BOOL
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def _raiseoserror(name):
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    # Force the code to a signed int to avoid an 'int too large' error.
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    # See https://bugs.python.org/issue28474
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    code = _kernel32.GetLastError()
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    if code > 0x7fffffff:
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        code -= 2**32
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    err = ctypes.WinError(code=code)
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    raise OSError(err.errno, '%s: %s' % (name,
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                                         encoding.strtolocal(err.strerror)))
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def _getfileinfo(name):
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    fh = _kernel32.CreateFileA(name, 0,
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            _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
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            None, _OPEN_EXISTING, _FILE_FLAG_BACKUP_SEMANTICS, None)
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    if fh == _INVALID_HANDLE_VALUE:
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        _raiseoserror(name)
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    try:
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        fi = _BY_HANDLE_FILE_INFORMATION()
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        if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
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            _raiseoserror(name)
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        return fi
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    finally:
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        _kernel32.CloseHandle(fh)
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def checkcertificatechain(cert, build=True):
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    '''Tests the given certificate to see if there is a complete chain to a
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       trusted root certificate.  As a side effect, missing certificates are
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       downloaded and installed unless ``build=False``.  True is returned if a
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       chain to a trusted root exists (even if built on the fly), otherwise
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       False.  NB: A chain to a trusted root does NOT imply that the certificate
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       is valid.
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   334
    '''
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    chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT)
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    pchainctx = chainctxptr()
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    chainpara = CERT_CHAIN_PARA(cbSize=ctypes.sizeof(CERT_CHAIN_PARA),
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                                RequestedUsage=CERT_USAGE_MATCH())
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    certctx = _crypt32.CertCreateCertificateContext(X509_ASN_ENCODING, cert,
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                                                    len(cert))
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    if certctx is None:
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        _raiseoserror('CertCreateCertificateContext')
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    flags = 0
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    if not build:
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        flags |= 0x100  # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE
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    try:
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        # Building the certificate chain will update root certs as necessary.
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   354
        if not _crypt32.CertGetCertificateChain(None,      # hChainEngine
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                                                certctx,   # pCertContext
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parents: 33419
diff changeset
   356
                                                None,      # pTime
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   357
                                                None,      # hAdditionalStore
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   358
                                                ctypes.byref(chainpara),
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   359
                                                flags,
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   360
                                                None,      # pvReserved
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   361
                                                ctypes.byref(pchainctx)):
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   362
            _raiseoserror('CertGetCertificateChain')
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   363
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   364
        chainctx = pchainctx.contents
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   365
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   366
        return chainctx.dwErrorStatus & CERT_TRUST_IS_PARTIAL_CHAIN == 0
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   367
    finally:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   368
        if pchainctx:
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   369
            _crypt32.CertFreeCertificateChain(pchainctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   370
        _crypt32.CertFreeCertificateContext(certctx)
14af04391fb9 win32: add a method to trigger the Crypto API to complete a certificate chain
Matt Harbison <matt_harbison@yahoo.com>
parents: 33419
diff changeset
   371
14235
b9e1b041744f rename util.os_link to oslink
Adrian Buehlmann <adrian@cadifra.com>
parents: 14230
diff changeset
   372
def oslink(src, dst):
13976
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   373
    try:
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   374
        if not _kernel32.CreateHardLinkA(dst, src, None):
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   375
            _raiseoserror(src)
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   376
    except AttributeError: # Wine doesn't support this function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   377
        _raiseoserror(src)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   378
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   379
def nlinks(name):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   380
    '''return number of hardlinks for the given file'''
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   381
    return _getfileinfo(name).nNumberOfLinks
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   382
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   383
def samefile(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   384
    '''Returns whether path1 and path2 refer to the same file or directory.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   385
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   386
    res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   387
    return (res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   388
        and res1.nFileIndexHigh == res2.nFileIndexHigh
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   389
        and res1.nFileIndexLow == res2.nFileIndexLow)
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   390
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   391
def samedevice(path1, path2):
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   392
    '''Returns whether path1 and path2 are on the same device.'''
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   393
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   394
    res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   395
    return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   396
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   397
def peekpipe(pipe):
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   398
    handle = msvcrt.get_osfhandle(pipe.fileno())
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   399
    avail = _DWORD()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   400
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   401
    if not _kernel32.PeekNamedPipe(handle, None, 0, None, ctypes.byref(avail),
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   402
                                   None):
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   403
        err = _kernel32.GetLastError()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   404
        if err == _ERROR_BROKEN_PIPE:
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   405
            return 0
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   406
        raise ctypes.WinError(err)
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   407
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   408
    return avail.value
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   409
38533
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   410
def lasterrorwaspipeerror(err):
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   411
    if err.errno != errno.EINVAL:
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   412
        return False
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   413
    err = _kernel32.GetLastError()
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   414
    return err == _ERROR_BROKEN_PIPE or err == _ERROR_NO_DATA
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   415
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   416
def testpid(pid):
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   417
    '''return True if pid is still running or unable to
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   418
    determine, False otherwise'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   419
    h = _kernel32.OpenProcess(_PROCESS_QUERY_INFORMATION, False, pid)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   420
    if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   421
        try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   422
            status = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   423
            if _kernel32.GetExitCodeProcess(h, ctypes.byref(status)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   424
                return status.value == _STILL_ACTIVE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   425
        finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   426
            _kernel32.CloseHandle(h)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   427
    return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   428
14236
e949a008999d rename util.executable_path to executablepath
Adrian Buehlmann <adrian@cadifra.com>
parents: 14235
diff changeset
   429
def executablepath():
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   430
    '''return full path of hg.exe'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   431
    size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   432
    buf = ctypes.create_string_buffer(size + 1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   433
    len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   434
    if len == 0:
24494
f2b87f4856bf win32: add comment about WinError
Adrian Buehlmann <adrian@cadifra.com>
parents: 24418
diff changeset
   435
        raise ctypes.WinError() # Note: WinError is a function
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   436
    elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   437
        raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   438
    return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   439
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   440
def getvolumename(path):
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   441
    """Get the mount point of the filesystem from a directory or file
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   442
    (best-effort)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   443
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   444
    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   445
    """
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   446
    # realpath() calls GetFullPathName()
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   447
    realpath = os.path.realpath(path)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   448
35550
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   449
    # allocate at least MAX_PATH long since GetVolumePathName('c:\\', buf, 4)
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   450
    # somehow fails on Windows XP
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   451
    size = max(len(realpath), _MAX_PATH) + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   452
    buf = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   453
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   454
    if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size):
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   455
        raise ctypes.WinError() # Note: WinError is a function
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   456
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   457
    return buf.value
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   458
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   459
def getfstype(path):
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   460
    """Get the filesystem type name from a directory or file (best-effort)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   461
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   462
    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   463
    """
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   464
    volume = getvolumename(path)
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   465
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   466
    t = _kernel32.GetDriveTypeA(volume)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   467
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   468
    if t == _DRIVE_REMOTE:
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   469
        return 'cifs'
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   470
    elif t not in (_DRIVE_REMOVABLE, _DRIVE_FIXED, _DRIVE_CDROM,
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   471
                   _DRIVE_RAMDISK):
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   472
        return None
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   473
35549
94a127152e25 win32: allocate buffer of maximum length for GetVolumeInformation()
Yuya Nishihara <yuya@tcha.org>
parents: 35512
diff changeset
   474
    size = _MAX_PATH + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   475
    name = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   476
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   477
    if not _kernel32.GetVolumeInformationA(volume, None, 0, None, None, None,
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   478
                                           ctypes.byref(name), size):
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   479
        raise ctypes.WinError() # Note: WinError is a function
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   480
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   481
    return name.value
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   482
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
   483
def getuser():
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
   484
    '''return name of current user'''
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   485
    size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   486
    buf = ctypes.create_string_buffer(size.value + 1)
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   487
    if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
   488
        raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   489
    return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   490
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   491
_signalhandler = []
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   492
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   493
def setsignalhandler():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   494
    '''Register a termination handler for console events including
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   495
    CTRL+C. python signal handlers do not work well with socket
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   496
    operations.
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   497
    '''
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   498
    def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   499
        _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   500
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   501
    if _signalhandler:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   502
        return # already registered
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   503
    h = _SIGNAL_HANDLER(handler)
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   504
    _signalhandler.append(h) # needed to prevent garbage collection
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   505
    if not _kernel32.SetConsoleCtrlHandler(h, True):
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
   506
        raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   507
10240
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
   508
def hidewindow():
3af4b39afe2a cmdutil: hide child window created by win32 spawndetached()
Patrick Mezard <pmezard@gmail.com>
parents: 10219
diff changeset
   509
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   510
    def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   511
        wpid = _DWORD()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   512
        _user32.GetWindowThreadProcessId(hwnd, ctypes.byref(wpid))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   513
        if pid == wpid.value:
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   514
            _user32.ShowWindow(hwnd, _SW_HIDE)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   515
            return False # stop enumerating windows
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   516
        return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   517
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   518
    pid = _kernel32.GetCurrentProcessId()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   519
    _user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
   520
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   521
def termsize():
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   522
    # cmd.exe does not handle CR like a unix console, the CR is
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   523
    # counted in the line length. On 80 columns consoles, if 80
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   524
    # characters are written, the following CR won't apply on the
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   525
    # current line but on the new one. Keep room for it.
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
   526
    width = 80 - 1
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   527
    height = 25
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   528
    # Query stderr to avoid problems with redirections
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   529
    screenbuf = _kernel32.GetStdHandle(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   530
                  _STD_ERROR_HANDLE) # don't close the handle returned
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   531
    if screenbuf is None or screenbuf == _INVALID_HANDLE_VALUE:
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   532
        return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   533
    csbi = _CONSOLE_SCREEN_BUFFER_INFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   534
    if not _kernel32.GetConsoleScreenBufferInfo(
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   535
                        screenbuf, ctypes.byref(csbi)):
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   536
        return width, height
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
   537
    width = csbi.srWindow.Right - csbi.srWindow.Left  # don't '+ 1'
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   538
    height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   539
    return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   540
32664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   541
def enablevtmode():
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   542
    '''Enable virtual terminal mode for the associated console.  Return True if
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   543
    enabled, else False.'''
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   544
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   545
    ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   546
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   547
    handle = _kernel32.GetStdHandle(_STD_OUTPUT_HANDLE) # don't close the handle
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   548
    if handle == _INVALID_HANDLE_VALUE:
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   549
        return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   550
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   551
    mode = _DWORD(0)
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   552
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   553
    if not _kernel32.GetConsoleMode(handle, ctypes.byref(mode)):
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   554
        return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   555
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   556
    if (mode.value & ENABLE_VIRTUAL_TERMINAL_PROCESSING) == 0:
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   557
        mode.value |= ENABLE_VIRTUAL_TERMINAL_PROCESSING
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   558
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   559
        if not _kernel32.SetConsoleMode(handle, mode):
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   560
            return False
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   561
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   562
    return True
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   563
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   564
def spawndetached(args):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   565
    # No standard library function really spawns a fully detached
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   566
    # process under win32 because they allocate pipes or other objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   567
    # to handle standard streams communications. Passing these objects
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   568
    # to the child process requires handle inheritance to be enabled
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   569
    # which makes really detached processes impossible.
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   570
    si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   571
    si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   572
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   573
    pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   574
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   575
    env = ''
30637
344e68882cd3 py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30314
diff changeset
   576
    for k in encoding.environ:
344e68882cd3 py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30314
diff changeset
   577
        env += "%s=%s\0" % (k, encoding.environ[k])
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   578
    if not env:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   579
        env = '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   580
    env += '\0'
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   581
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   582
    args = subprocess.list2cmdline(args)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   583
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   584
    res = _kernel32.CreateProcessA(
17050
e780fb37168b win32: specify _CREATE_NO_WINDOW on spawndetached()
Adrian Buehlmann <adrian@cadifra.com>
parents: 17006
diff changeset
   585
        None, args, None, None, False, _CREATE_NO_WINDOW,
30667
5861bdbeb9a3 py3: use pycompat.getcwd instead of os.getcwd
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30637
diff changeset
   586
        env, pycompat.getcwd(), ctypes.byref(si), ctypes.byref(pi))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   587
    if not res:
24418
a2285e2fc949 win32: 'raise ctypes.WinError' -> 'raise ctypes.WinError()'
Matt Harbison <matt_harbison@yahoo.com>
parents: 21226
diff changeset
   588
        raise ctypes.WinError()
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   589
32676
4c3d9ee87382 win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents: 32664
diff changeset
   590
    return pi.dwProcessId
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   591
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   592
def unlink(f):
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   593
    '''try to implement POSIX' unlink semantics on Windows'''
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   594
21226
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   595
    if os.path.isdir(f):
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   596
        # use EPERM because it is POSIX prescribed value, even though
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   597
        # unlink(2) on directories returns EISDIR on Linux
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   598
        raise IOError(errno.EPERM,
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   599
                      "Unlinking directory not permitted: '%s'" % f)
19159
1b329f8c7b24 windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18959
diff changeset
   600
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   601
    # POSIX allows to unlink and rename open files. Windows has serious
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   602
    # problems with doing that:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   603
    # - Calling os.unlink (or os.rename) on a file f fails if f or any
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   604
    #   hardlinked copy of f has been opened with Python's open(). There is no
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   605
    #   way such a file can be deleted or renamed on Windows (other than
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   606
    #   scheduling the delete or rename for the next reboot).
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   607
    # - Calling os.unlink on a file that has been opened with Mercurial's
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   608
    #   posixfile (or comparable methods) will delay the actual deletion of
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   609
    #   the file for as long as the file is held open. The filename is blocked
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   610
    #   during that time and cannot be used for recreating a new file under
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   611
    #   that same name ("zombie file"). Directories containing such zombie files
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   612
    #   cannot be removed or moved.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   613
    # A file that has been opened with posixfile can be renamed, so we rename
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   614
    # f to a random temporary name before calling os.unlink on it. This allows
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   615
    # callers to recreate f immediately while having other readers do their
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   616
    # implicit zombie filename blocking on a temporary name.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   617
38783
e7aa113b14f7 global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38533
diff changeset
   618
    for tries in pycompat.xrange(10):
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   619
        temp = '%s-%08x' % (f, random.randint(0, 0xffffffff))
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   620
        try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   621
            os.rename(f, temp)  # raises OSError EEXIST if temp exists
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   622
            break
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 24652
diff changeset
   623
        except OSError as e:
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   624
            if e.errno != errno.EEXIST:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   625
                raise
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   626
    else:
18175
fd3f8b87b682 win32: clean up use of two-argument raise
Augie Fackler <raf@durin42.com>
parents: 17428
diff changeset
   627
        raise IOError(errno.EEXIST, "No usable temporary filename found")
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   628
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   629
    try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   630
        os.unlink(temp)
13776
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   631
    except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   632
        # The unlink might have failed because the READONLY attribute may heave
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   633
        # been set on the original file. Rename works fine with READONLY set,
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   634
        # but not os.unlink. Reset all attributes and try again.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   635
        _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   636
        try:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   637
            os.unlink(temp)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   638
        except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   639
            # The unlink might have failed due to some very rude AV-Scanners.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   640
            # Leaking a tempfile is the lesser evil than aborting here and
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   641
            # leaving some potentially serious inconsistencies.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   642
            pass
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   643
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   644
def makedir(path, notindexed):
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   645
    os.mkdir(path)
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   646
    if notindexed:
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   647
        _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)