mercurial/win32.py
author Matt Harbison <matt_harbison@yahoo.com>
Thu, 15 Dec 2022 18:02:55 -0500
changeset 49810 a9faacdc5943
parent 49305 53e9422a9b45
permissions -rw-r--r--
typing: add type hints to mercurial/win32.py These are the low level functions that are imported by the mercurial.windows module, which is in turn imported by mercurial.utils as the platform module. Pretty straightforward, but pytype inferred very little of it, likely because of the heavy ctypes usage. It also seems to trigger a pytype bug in procutil, now that it has an idea of the underlying function type, so disable that warning to maintain a working test.
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# win32.py - utility functions that use win32 API
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#
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# Copyright 2005-2009 Olivia Mackall <olivia@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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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 typing import (
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    List,
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    NoReturn,
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    Optional,
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    Tuple,
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)
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from . import (
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    encoding,
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    pycompat,
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)
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# pytype: disable=module-attr
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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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# pytype: enable=module-attr
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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), ('dwHighDateTime', _DWORD)]
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class _BY_HANDLE_FILE_INFORMATION(ctypes.Structure):
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    _fields_ = [
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        ('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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    ]
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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_ = [
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        ('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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    ]
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class _PROCESS_INFORMATION(ctypes.Structure):
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    _fields_ = [
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        ('hProcess', _HANDLE),
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        ('hThread', _HANDLE),
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        ('dwProcessId', _DWORD),
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        ('dwThreadId', _DWORD),
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    ]
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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), ('Y', ctypes.c_short)]
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class _SMALL_RECT(ctypes.Structure):
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    _fields_ = [
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        ('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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    ]
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class _CONSOLE_SCREEN_BUFFER_INFO(ctypes.Structure):
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    _fields_ = [
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        ('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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    ]
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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 = [
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    _DWORD,  # cert encoding
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    ctypes.c_char_p,  # cert
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    _DWORD,
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]  # 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 = [
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    _LPCSTR,
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    _DWORD,
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    _DWORD,
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    ctypes.c_void_p,
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    _DWORD,
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    _DWORD,
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    _HANDLE,
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]
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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 = [
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    _LPCSTR,
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    ctypes.c_void_p,
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    _DWORD,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    _DWORD,
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]
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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 = [
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    _LPCSTR,
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    _LPCSTR,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    _BOOL,
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    _DWORD,
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    ctypes.c_void_p,
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    _LPCSTR,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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]
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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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# pytype: disable=module-attr
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_SIGNAL_HANDLER = ctypes.WINFUNCTYPE(_BOOL, _DWORD)
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# pytype: enable=module-attr
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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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   333
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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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   341
_advapi32.GetUserNameA.restype = _BOOL
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   342
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   343
_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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   347
_user32.ShowWindow.restype = _BOOL
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# pytype: disable=module-attr
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_WNDENUMPROC = ctypes.WINFUNCTYPE(_BOOL, _HWND, _LPARAM)
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# pytype: enable=module-attr
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_user32.EnumWindows.argtypes = [_WNDENUMPROC, _LPARAM]
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_user32.EnumWindows.restype = _BOOL
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_kernel32.PeekNamedPipe.argtypes = [
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    _HANDLE,
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    ctypes.c_void_p,
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    _DWORD,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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    ctypes.c_void_p,
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]
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_kernel32.PeekNamedPipe.restype = _BOOL
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def _raiseoserror(name: bytes) -> NoReturn:
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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)  # pytype: disable=module-attr
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    raise OSError(
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        err.errno, '%s: %s' % (encoding.strfromlocal(name), err.strerror)
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    )
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   377
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   378
def _getfileinfo(name: bytes) -> _BY_HANDLE_FILE_INFORMATION:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   379
    fh = _kernel32.CreateFileA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   380
        name,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   381
        0,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   382
        _FILE_SHARE_READ | _FILE_SHARE_WRITE | _FILE_SHARE_DELETE,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   383
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   384
        _OPEN_EXISTING,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   385
        _FILE_FLAG_BACKUP_SEMANTICS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   386
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   387
    )
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   388
    if fh == _INVALID_HANDLE_VALUE:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   389
        _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   390
    try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   391
        fi = _BY_HANDLE_FILE_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   392
        if not _kernel32.GetFileInformationByHandle(fh, ctypes.byref(fi)):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   393
            _raiseoserror(name)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   394
        return fi
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   395
    finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   396
        _kernel32.CloseHandle(fh)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   397
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   398
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   399
def checkcertificatechain(cert: bytes, build: bool = True) -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   400
    """Tests the given certificate to see if there is a complete chain to a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   401
    trusted root certificate.  As a side effect, missing certificates are
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   402
    downloaded and installed unless ``build=False``.  True is returned if a
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   403
    chain to a trusted root exists (even if built on the fly), otherwise
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   404
    False.  NB: A chain to a trusted root does NOT imply that the certificate
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   405
    is valid.
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   406
    """
33492
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
   407
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
   408
    chainctxptr = ctypes.POINTER(CERT_CHAIN_CONTEXT)
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
   409
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
   410
    pchainctx = chainctxptr()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   411
    chainpara = CERT_CHAIN_PARA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   412
        cbSize=ctypes.sizeof(CERT_CHAIN_PARA), RequestedUsage=CERT_USAGE_MATCH()
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   413
    )
33492
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
   414
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   415
    certctx = _crypt32.CertCreateCertificateContext(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   416
        X509_ASN_ENCODING, cert, len(cert)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   417
    )
33492
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
   418
    if certctx is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   419
        _raiseoserror(b'CertCreateCertificateContext')
33492
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
   420
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
   421
    flags = 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
   422
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
   423
    if not build:
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
   424
        flags |= 0x100  # CERT_CHAIN_DISABLE_AUTH_ROOT_AUTO_UPDATE
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
   425
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
   426
    try:
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
   427
        # Building the certificate chain will update root certs as necessary.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   428
        if not _crypt32.CertGetCertificateChain(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   429
            None,  # hChainEngine
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   430
            certctx,  # pCertContext
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   431
            None,  # pTime
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   432
            None,  # hAdditionalStore
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   433
            ctypes.byref(chainpara),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   434
            flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   435
            None,  # pvReserved
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   436
            ctypes.byref(pchainctx),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   437
        ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   438
            _raiseoserror(b'CertGetCertificateChain')
33492
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
   439
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
   440
        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
   441
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
   442
        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
   443
    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
   444
        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
   445
            _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
   446
        _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
   447
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   448
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   449
def oslink(src: bytes, dst: bytes) -> None:
13976
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   450
    try:
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   451
        if not _kernel32.CreateHardLinkA(dst, src, None):
9ca1ff3d4f8c win32: Wine doesn't know about hardlinks
Matt Mackall <mpm@selenic.com>
parents: 13795
diff changeset
   452
            _raiseoserror(src)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   453
    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
   454
        _raiseoserror(src)
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   455
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   456
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   457
def nlinks(name: bytes) -> int:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   458
    '''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
   459
    return _getfileinfo(name).nNumberOfLinks
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   460
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   461
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   462
def samefile(path1: bytes, path2: bytes) -> bool:
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   463
    '''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
   464
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   465
    res2 = _getfileinfo(path2)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   466
    return (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   467
        res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   468
        and res1.nFileIndexHigh == res2.nFileIndexHigh
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   469
        and res1.nFileIndexLow == res2.nFileIndexLow
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   470
    )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   471
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   472
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   473
def samedevice(path1: bytes, path2: bytes) -> bool:
17006
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   474
    '''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
   475
    res1 = _getfileinfo(path1)
6fc7fd72ba3e win32.py: let samefile and samedevice work on directories too
Adrian Buehlmann <adrian@cadifra.com>
parents: 16807
diff changeset
   476
    res2 = _getfileinfo(path2)
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   477
    return res1.dwVolumeSerialNumber == res2.dwVolumeSerialNumber
10218
750b7a4f01f6 Add support for relinking on Windows.
Siddharth Agarwal <sid.bugzilla@gmail.com>
parents: 9198
diff changeset
   478
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   479
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   480
def peekpipe(pipe) -> int:
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   481
    handle = msvcrt.get_osfhandle(pipe.fileno())  # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   482
    avail = _DWORD()
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   483
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   484
    if not _kernel32.PeekNamedPipe(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   485
        handle, None, 0, None, ctypes.byref(avail), None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   486
    ):
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   487
        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
   488
        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
   489
            return 0
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   490
        raise ctypes.WinError(err)  # pytype: disable=module-attr
24652
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   491
232bf0028596 win32: add a method to fetch the available pipe data size
Matt Harbison <matt_harbison@yahoo.com>
parents: 24494
diff changeset
   492
    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
   493
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   494
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   495
def lasterrorwaspipeerror(err) -> bool:
38533
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   496
    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
   497
        return False
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   498
    err = _kernel32.GetLastError()
3a0f322af192 windows: fix incorrect detection of broken pipe when writing to pager
Sune Foldager <cryo@cyanite.org>
parents: 35550
diff changeset
   499
    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
   500
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   501
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   502
def testpid(pid: int) -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   503
    """return True if pid is still running or unable to
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   504
    determine, False otherwise"""
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   505
    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
   506
    if h:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   507
        try:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   508
            status = _DWORD()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   509
            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
   510
                return status.value == _STILL_ACTIVE
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   511
        finally:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   512
            _kernel32.CloseHandle(h)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   513
    return _kernel32.GetLastError() != _ERROR_INVALID_PARAMETER
2054
e18beba54a7e fix exception handling on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
   514
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   515
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   516
def executablepath() -> bytes:
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   517
    '''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
   518
    size = 600
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   519
    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
   520
    len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   521
    # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   522
    if len == 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   523
        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
   524
    elif len == size:
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   525
        raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   526
    # pytype: enable=module-attr
13376
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   527
    return buf.value
60b5c6c3fd12 win32: new function executable_path
Adrian Buehlmann <adrian@cadifra.com>
parents: 13375
diff changeset
   528
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   529
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   530
def getvolumename(path: bytes) -> Optional[bytes]:
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   531
    """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
   532
    (best-effort)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   533
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   534
    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
   535
    """
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   536
    # realpath() calls GetFullPathName()
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   537
    realpath = os.path.realpath(path)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   538
35550
ed30934165c9 win32: do not call GetVolumePathName() with the minimum buffer length
Yuya Nishihara <yuya@tcha.org>
parents: 35549
diff changeset
   539
    # 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
   540
    # 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
   541
    size = max(len(realpath), _MAX_PATH) + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   542
    buf = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   543
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   544
    if not _kernel32.GetVolumePathNameA(realpath, ctypes.byref(buf), size):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   545
        # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   546
        raise ctypes.WinError()  # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   547
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   548
    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
   549
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   550
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   551
def getfstype(path: bytes) -> Optional[bytes]:
35512
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   552
    """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
   553
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   554
    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
   555
    """
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   556
    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
   557
5cc1becd0493 win32: split a utility function to obtain the volume out of getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 35510
diff changeset
   558
    t = _kernel32.GetDriveTypeA(volume)
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   559
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   560
    if t == _DRIVE_REMOTE:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   561
        return b'cifs'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   562
    elif t not in (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   563
        _DRIVE_REMOVABLE,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   564
        _DRIVE_FIXED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   565
        _DRIVE_CDROM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   566
        _DRIVE_RAMDISK,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   567
    ):
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   568
        return None
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   569
35549
94a127152e25 win32: allocate buffer of maximum length for GetVolumeInformation()
Yuya Nishihara <yuya@tcha.org>
parents: 35512
diff changeset
   570
    size = _MAX_PATH + 1
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   571
    name = ctypes.create_string_buffer(size)
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   572
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   573
    if not _kernel32.GetVolumeInformationA(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   574
        volume, None, 0, None, None, None, ctypes.byref(name), size
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   575
    ):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   576
        # Note: WinError is a function
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   577
        raise ctypes.WinError()  # pytype: disable=module-attr
35510
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   578
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   579
    return name.value
2062f7c2ac83 win32: implement util.getfstype()
Matt Harbison <matt_harbison@yahoo.com>
parents: 34022
diff changeset
   580
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   581
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   582
def getuser() -> bytes:
7890
e710f0f592b2 util: split out posix, windows, and win32 modules
Matt Mackall <mpm@selenic.com>
parents: 7778
diff changeset
   583
    '''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
   584
    size = _DWORD(300)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   585
    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
   586
    if not _advapi32.GetUserNameA(ctypes.byref(buf), ctypes.byref(size)):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   587
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   588
    return buf.value
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   589
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   590
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   591
_signalhandler: List[_SIGNAL_HANDLER] = []
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   592
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   593
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   594
def setsignalhandler() -> None:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   595
    """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
   596
    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
   597
    operations.
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   598
    """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   599
4672
272c0a09b203 Handle CTRL+C in serve under Windows.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 4407
diff changeset
   600
    def handler(event):
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   601
        _kernel32.ExitProcess(1)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   602
14237
4d684d8210a1 rename util.set_signal_handler to setsignalhandler
Adrian Buehlmann <adrian@cadifra.com>
parents: 14236
diff changeset
   603
    if _signalhandler:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   604
        return  # already registered
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   605
    h = _SIGNAL_HANDLER(handler)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   606
    _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
   607
    if not _kernel32.SetConsoleCtrlHandler(h, True):
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   608
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   609
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   610
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   611
def hidewindow() -> None:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   612
    def callback(hwnd, pid):
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   613
        wpid = _DWORD()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   614
        _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
   615
        if pid == wpid.value:
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   616
            _user32.ShowWindow(hwnd, _SW_HIDE)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   617
            return False  # stop enumerating windows
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   618
        return True
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   619
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   620
    pid = _kernel32.GetCurrentProcessId()
14345
bf9a105aed0a win32.py: add argtypes and restype
Adrian Buehlmann <adrian@cadifra.com>
parents: 14344
diff changeset
   621
    _user32.EnumWindows(_WNDENUMPROC(callback), pid)
11012
81631f0cf13b win32: detect console width on Windows
Patrick Mezard <pmezard@gmail.com>
parents: 10388
diff changeset
   622
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   623
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   624
def termsize() -> Tuple[int, int]:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   625
    # 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
   626
    # 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
   627
    # 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
   628
    # 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
   629
    width = 80 - 1
30314
365812902904 scmutil: extend termwidth() to return terminal height, renamed to termsize()
Yuya Nishihara <yuya@tcha.org>
parents: 30313
diff changeset
   630
    height = 25
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   631
    # 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
   632
    screenbuf = _kernel32.GetStdHandle(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   633
        _STD_ERROR_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   634
    )  # don't close the handle returned
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   635
    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
   636
        return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   637
    csbi = _CONSOLE_SCREEN_BUFFER_INFO()
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   638
    if not _kernel32.GetConsoleScreenBufferInfo(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
   639
        return width, height
30313
392633d7860e scmutil: clarify that we explicitly do termwidth - 1 on Windows
Yuya Nishihara <yuya@tcha.org>
parents: 25994
diff changeset
   640
    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
   641
    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
   642
    return width, height
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   643
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   644
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   645
def enablevtmode() -> bool:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   646
    """Enable virtual terminal mode for the associated console.  Return True if
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 43506
diff changeset
   647
    enabled, else False."""
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
   648
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   649
    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
   650
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   651
    handle = _kernel32.GetStdHandle(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   652
        _STD_OUTPUT_HANDLE
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   653
    )  # don't close the handle
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
   654
    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
   655
        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
   656
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   657
    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
   658
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   659
    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
   660
        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
   661
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   662
    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
   663
        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
   664
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   665
        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
   666
            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
   667
2d56e6d23be7 win32: add a method to enable ANSI color code processing on Windows 10
Matt Harbison <matt_harbison@yahoo.com>
parents: 30667
diff changeset
   668
    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
   669
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   670
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   671
def spawndetached(args: List[bytes]) -> int:
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   672
    # 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
   673
    # 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
   674
    # 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
   675
    # 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
   676
    # 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
   677
    si = _STARTUPINFO()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   678
    si.cb = ctypes.sizeof(_STARTUPINFO)
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   679
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   680
    pi = _PROCESS_INFORMATION()
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   681
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   682
    env = b''
30637
344e68882cd3 py3: replace os.environ with encoding.environ (part 4 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30314
diff changeset
   683
    for k in encoding.environ:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   684
        env += b"%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
   685
    if not env:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   686
        env = b'\0'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   687
    env += b'\0'
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   688
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
   689
    args = subprocess.list2cmdline(pycompat.rapply(encoding.strfromlocal, args))
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   690
39719
255d1885c7f8 py3: resolve Unicode issues around `hg serve` on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents: 39611
diff changeset
   691
    # TODO: CreateProcessW on py3?
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   692
    res = _kernel32.CreateProcessA(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   693
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   694
        encoding.strtolocal(args),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   695
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   696
        None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   697
        False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   698
        _CREATE_NO_WINDOW,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   699
        env,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   700
        encoding.getcwd(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   701
        ctypes.byref(si),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   702
        ctypes.byref(pi),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   703
    )
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   704
    if not res:
46784
65f437c240f2 typing: disable a few errors when accessing Windows specific attributes
Matt Harbison <matt_harbison@yahoo.com>
parents: 45942
diff changeset
   705
        raise ctypes.WinError()  # pytype: disable=module-attr
13375
f1fa8f481c7c port win32.py to using the Python ctypes library
Adrian Buehlmann <adrian@cadifra.com>
parents: 13374
diff changeset
   706
40928
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   707
    _kernel32.CloseHandle(pi.hProcess)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   708
    _kernel32.CloseHandle(pi.hThread)
576474baa209 win32: close the handles associated with a spawned child process
Matt Harbison <matt_harbison@yahoo.com>
parents: 39818
diff changeset
   709
32676
4c3d9ee87382 win32: drop a py26 daemonizing hack
Matt Harbison <matt_harbison@yahoo.com>
parents: 32664
diff changeset
   710
    return pi.dwProcessId
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   711
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   712
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   713
def unlink(f: bytes) -> None:
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   714
    '''try to implement POSIX' unlink semantics on Windows'''
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   715
21226
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   716
    if os.path.isdir(f):
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   717
        # use EPERM because it is POSIX prescribed value, even though
4898c37e03c0 win32: backout 1a9ebc83a74c
Steve Borho <steve@borho.org>
parents: 21193
diff changeset
   718
        # unlink(2) on directories returns EISDIR on Linux
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   719
        raise IOError(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   720
            errno.EPERM,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   721
            r"Unlinking directory not permitted: '%s'"
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   722
            % encoding.strfromlocal(f),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   723
        )
19159
1b329f8c7b24 windows: check target type before actual unlinking to follow POSIX semantics
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18959
diff changeset
   724
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   725
    # 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
   726
    # problems with doing that:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   727
    # - 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
   728
    #   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
   729
    #   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
   730
    #   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
   731
    # - 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
   732
    #   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
   733
    #   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
   734
    #   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
   735
    #   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
   736
    #   cannot be removed or moved.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   737
    # 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
   738
    # 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
   739
    # 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
   740
    # implicit zombie filename blocking on a temporary name.
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   741
49284
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 48875
diff changeset
   742
    for tries in range(10):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
   743
        temp = b'%s-%08x' % (f, random.randint(0, 0xFFFFFFFF))
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   744
        try:
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   745
            os.rename(f, temp)
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   746
            break
49305
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   747
        except FileExistsError:
53e9422a9b45 py3: catch FileExistsError instead of checking errno == EEXIST
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
   748
            pass
13775
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   749
    else:
43503
313e3a279828 cleanup: remove pointless r-prefixes on double-quoted strings
Augie Fackler <augie@google.com>
parents: 43077
diff changeset
   750
        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
   751
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   752
    try:
930efdc6bfa4 windows: move unlink to win32.py
Adrian Buehlmann <adrian@cadifra.com>
parents: 13379
diff changeset
   753
        os.unlink(temp)
13776
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   754
    except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   755
        # 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
   756
        # 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
   757
        # 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
   758
        _kernel32.SetFileAttributesA(temp, _FILE_ATTRIBUTE_NORMAL)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   759
        try:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   760
            os.unlink(temp)
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   761
        except OSError:
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   762
            # 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
   763
            # 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
   764
            # leaving some potentially serious inconsistencies.
a2f0fdb1e488 win32: remove READONLY attribute on unlink
Adrian Buehlmann <adrian@cadifra.com>
parents: 13775
diff changeset
   765
            pass
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   766
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 40928
diff changeset
   767
49810
a9faacdc5943 typing: add type hints to mercurial/win32.py
Matt Harbison <matt_harbison@yahoo.com>
parents: 49305
diff changeset
   768
def makedir(path: bytes, notindexed: bool) -> None:
13795
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   769
    os.mkdir(path)
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   770
    if notindexed:
43b5fe18ea6c set NOT_CONTENT_INDEXED on .hg dir (issue2694)
Adrian Buehlmann <adrian@cadifra.com>
parents: 13776
diff changeset
   771
        _kernel32.SetFileAttributesA(path, _FILE_ATTRIBUTE_NOT_CONTENT_INDEXED)