"""Annotation and rtyping support for the result of os.stat(), os.lstat() and os.fstat(). In RPython like in plain Python the stat result can be indexed like a tuple but also exposes the st_xxx attributes. """ import os, sys from rpython.flowspace.model import Constant from rpython.flowspace.operation import op from rpython.annotator import model as annmodel from rpython.rtyper import extregistry from rpython.tool.pairtype import pairtype from rpython.rtyper.tool import rffi_platform as platform from rpython.rtyper.llannotation import lltype_to_annotation from rpython.rtyper.rmodel import Repr from rpython.rtyper.rint import IntegerRepr from rpython.rtyper.error import TyperError from rpython.rlib._os_support import _preferred_traits, string_traits from rpython.rlib.objectmodel import specialize, we_are_translated from rpython.rtyper.lltypesystem import lltype, rffi from rpython.translator.tool.cbuild import ExternalCompilationInfo from rpython.rlib.rarithmetic import intmask from rpython.rlib.rposix import ( replace_os_function, handle_posix_error, _as_bytes0) from rpython.rlib import rposix _WIN32 = sys.platform.startswith('win') _LINUX = sys.platform.startswith('linux') if _WIN32: from rpython.rlib import rwin32 from rpython.rlib.rwin32file import make_win32_traits # Support for float times is here. # - ALL_STAT_FIELDS contains Float fields if the system can retrieve # sub-second timestamps. # - TIMESPEC is defined when the "struct stat" contains st_atim field. if sys.platform.startswith('linux') or sys.platform.startswith('openbsd'): from rpython.rlib.rposix import TIMESPEC else: TIMESPEC = None # all possible fields - some of them are not available on all platforms ALL_STAT_FIELDS = [ ("st_mode", lltype.Signed), ("st_ino", lltype.SignedLongLong), ("st_dev", lltype.SignedLongLong), ("st_nlink", lltype.Signed), ("st_uid", lltype.Signed), ("st_gid", lltype.Signed), ("st_size", lltype.SignedLongLong), ("st_atime", lltype.SignedLongLong), # integral number of seconds ("st_mtime", lltype.SignedLongLong), # ("st_ctime", lltype.SignedLongLong), # ("st_blksize", lltype.Signed), ("st_blocks", lltype.Signed), ("st_rdev", lltype.Signed), ("st_flags", lltype.Signed), #("st_gen", lltype.Signed), -- new in CPy 2.5, not implemented #("st_birthtime", lltype.Float), -- new in CPy 2.5, not implemented ("nsec_atime", lltype.Signed), # number of nanoseconds ("nsec_mtime", lltype.Signed), # ("nsec_ctime", lltype.Signed), # ] N_INDEXABLE_FIELDS = 10 # For OO backends, expose only the portable fields (the first 10). PORTABLE_STAT_FIELDS = ALL_STAT_FIELDS[:N_INDEXABLE_FIELDS] STATVFS_FIELDS = [ ("f_bsize", lltype.Signed), ("f_frsize", lltype.Signed), ("f_blocks", lltype.Signed), ("f_bfree", lltype.Signed), ("f_bavail", lltype.Signed), ("f_files", lltype.Signed), ("f_ffree", lltype.Signed), ("f_favail", lltype.Signed), ("f_flag", lltype.Signed), ("f_namemax", lltype.Signed), ] @specialize.arg(1) def get_stat_ns_as_bigint(st, name): """'name' is one of the strings "atime", "mtime" or "ctime". Returns a bigint that represents the number of nanoseconds stored inside the RPython-level os.stat_result 'st'. Note that when running untranslated, the os.stat_result type is from Python 2.7, which doesn't store more precision than a float anyway. You will only get more after translation. """ from rpython.rlib.rbigint import rbigint if not we_are_translated(): as_float = getattr(st, "st_" + name) return rbigint.fromfloat(as_float * 1e9) if name == "atime": i, j = 7, -3 elif name == "mtime": i, j = 8, -2 elif name == "ctime": i, j = 9, -1 else: raise AssertionError(name) sec = st[i] nsec = st[j] result = rbigint.fromrarith_int(sec).int_mul(1000000000) result = result.int_add(nsec) return result # ____________________________________________________________ # # Annotation support class SomeStatResult(annmodel.SomeObject): knowntype = os.stat_result def rtyper_makerepr(self, rtyper): return StatResultRepr(rtyper) def rtyper_makekey(self): return self.__class__, def getattr(self, s_attr): if not s_attr.is_constant(): raise annmodel.AnnotatorError("non-constant attr name in getattr()") attrname = s_attr.const if attrname in ('st_atime', 'st_mtime', 'st_ctime'): # like CPython, in RPython we can read the st_Xtime # attribute and get a floating-point result. We can also # get a full-precision bigint with get_stat_ns_as_bigint(). # The floating-point result is computed like a property # by _ll_get_st_Xtime(). TYPE = lltype.Float else: TYPE = STAT_FIELD_TYPES[attrname] return lltype_to_annotation(TYPE) def _get_rmarshall_support_(self): # for rlib.rmarshal # reduce and recreate stat_result objects from 10-tuples # (we ignore the extra values here for simplicity and portability) def stat_result_reduce(st): return (st[0], st[1], st[2], st[3], st[4], st[5], st[6], st.st_atime, st.st_mtime, st.st_ctime) def stat_result_recreate(tup): atime, mtime, ctime = tup[7:] result = tup[:7] result += (int(atime), int(mtime), int(ctime)) result += extra_zeroes result += (int((atime - result[7]) * 1e9), int((mtime - result[8]) * 1e9), int((ctime - result[9]) * 1e9)) return make_stat_result(result) s_reduced = annmodel.SomeTuple([lltype_to_annotation(TYPE) for name, TYPE in PORTABLE_STAT_FIELDS[:7]] + 3 * [lltype_to_annotation(lltype.Float)]) extra_zeroes = (0,) * (len(STAT_FIELDS) - len(PORTABLE_STAT_FIELDS) - 3) return s_reduced, stat_result_reduce, stat_result_recreate class __extend__(pairtype(SomeStatResult, annmodel.SomeInteger)): def getitem((s_sta, s_int)): assert s_int.is_constant(), "os.stat()[index]: index must be constant" index = s_int.const assert -3 <= index < N_INDEXABLE_FIELDS, "os.stat()[index] out of range" name, TYPE = STAT_FIELDS[index] return lltype_to_annotation(TYPE) class StatResultRepr(Repr): def __init__(self, rtyper): self.rtyper = rtyper self.stat_field_indexes = {} for i, (name, TYPE) in enumerate(STAT_FIELDS): self.stat_field_indexes[name] = i self.s_tuple = annmodel.SomeTuple( [lltype_to_annotation(TYPE) for name, TYPE in STAT_FIELDS]) self.r_tuple = rtyper.getrepr(self.s_tuple) self.lowleveltype = self.r_tuple.lowleveltype def redispatch_getfield(self, hop, index): rtyper = self.rtyper s_index = rtyper.annotator.bookkeeper.immutablevalue(index) hop2 = hop.copy() spaceop = op.getitem(hop.args_v[0], Constant(index)) spaceop.result = hop.spaceop.result hop2.spaceop = spaceop hop2.args_v = spaceop.args hop2.args_s = [self.s_tuple, s_index] hop2.args_r = [self.r_tuple, rtyper.getrepr(s_index)] return hop2.dispatch() def rtype_getattr(self, hop): s_attr = hop.args_s[1] attr = s_attr.const if attr in ('st_atime', 'st_mtime', 'st_ctime'): ll_func = globals()['_ll_get_' + attr] v_tuple = hop.inputarg(self, arg=0) return hop.gendirectcall(ll_func, v_tuple) try: index = self.stat_field_indexes[attr] except KeyError: raise TyperError("os.stat().%s: field not available" % (attr,)) return self.redispatch_getfield(hop, index) @specialize.memo() def _stfld(name): index = STAT_FIELD_NAMES.index(name) return 'item%d' % index def _ll_get_st_atime(tup): return (float(getattr(tup, _stfld("st_atime"))) + 1E-9 * getattr(tup, _stfld("nsec_atime"))) def _ll_get_st_mtime(tup): return (float(getattr(tup, _stfld("st_mtime"))) + 1E-9 * getattr(tup, _stfld("nsec_mtime"))) def _ll_get_st_ctime(tup): return (float(getattr(tup, _stfld("st_ctime"))) + 1E-9 * getattr(tup, _stfld("nsec_ctime"))) class __extend__(pairtype(StatResultRepr, IntegerRepr)): def rtype_getitem((r_sta, r_int), hop): s_int = hop.args_s[1] index = s_int.const if index < 0: index += len(STAT_FIELDS) return r_sta.redispatch_getfield(hop, index) s_StatResult = SomeStatResult() def make_stat_result(tup): """NOT_RPYTHON: Turn a tuple into an os.stat_result object.""" assert len(tup) == len(STAT_FIELDS) assert float not in [type(x) for x in tup] positional = [] for i in range(N_INDEXABLE_FIELDS): name, TYPE = STAT_FIELDS[i] value = lltype.cast_primitive(TYPE, tup[i]) positional.append(value) kwds = {} kwds['st_atime'] = tup[7] + 1e-9 * tup[-3] kwds['st_mtime'] = tup[8] + 1e-9 * tup[-2] kwds['st_ctime'] = tup[9] + 1e-9 * tup[-1] for value, (name, TYPE) in zip(tup, STAT_FIELDS)[N_INDEXABLE_FIELDS:]: if name.startswith('nsec_'): continue # ignore the nsec_Xtime here kwds[name] = lltype.cast_primitive(TYPE, value) return os.stat_result(positional, kwds) class MakeStatResultEntry(extregistry.ExtRegistryEntry): _about_ = make_stat_result def compute_result_annotation(self, s_tup): return s_StatResult def specialize_call(self, hop): r_StatResult = hop.rtyper.getrepr(s_StatResult) [v_result] = hop.inputargs(r_StatResult.r_tuple) # no-op conversion from r_StatResult.r_tuple to r_StatResult hop.exception_cannot_occur() return v_result class SomeStatvfsResult(annmodel.SomeObject): if hasattr(os, 'statvfs_result'): knowntype = os.statvfs_result else: knowntype = None # will not be used def rtyper_makerepr(self, rtyper): return StatvfsResultRepr(rtyper) def rtyper_makekey(self): return self.__class__, def getattr(self, s_attr): assert s_attr.is_constant() TYPE = STATVFS_FIELD_TYPES[s_attr.const] return lltype_to_annotation(TYPE) class __extend__(pairtype(SomeStatvfsResult, annmodel.SomeInteger)): def getitem((s_stat, s_int)): assert s_int.is_constant() name, TYPE = STATVFS_FIELDS[s_int.const] return lltype_to_annotation(TYPE) s_StatvfsResult = SomeStatvfsResult() class StatvfsResultRepr(Repr): def __init__(self, rtyper): self.rtyper = rtyper self.statvfs_field_indexes = {} for i, (name, TYPE) in enumerate(STATVFS_FIELDS): self.statvfs_field_indexes[name] = i self.s_tuple = annmodel.SomeTuple( [lltype_to_annotation(TYPE) for name, TYPE in STATVFS_FIELDS]) self.r_tuple = rtyper.getrepr(self.s_tuple) self.lowleveltype = self.r_tuple.lowleveltype def redispatch_getfield(self, hop, index): rtyper = self.rtyper s_index = rtyper.annotator.bookkeeper.immutablevalue(index) hop2 = hop.copy() spaceop = op.getitem(hop.args_v[0], Constant(index)) spaceop.result = hop.spaceop.result hop2.spaceop = spaceop hop2.args_v = spaceop.args hop2.args_s = [self.s_tuple, s_index] hop2.args_r = [self.r_tuple, rtyper.getrepr(s_index)] return hop2.dispatch() def rtype_getattr(self, hop): s_attr = hop.args_s[1] attr = s_attr.const try: index = self.statvfs_field_indexes[attr] except KeyError: raise TyperError("os.statvfs().%s: field not available" % (attr,)) return self.redispatch_getfield(hop, index) class __extend__(pairtype(StatvfsResultRepr, IntegerRepr)): def rtype_getitem((r_sta, r_int), hop): s_int = hop.args_s[1] index = s_int.const return r_sta.redispatch_getfield(hop, index) def make_statvfs_result(tup): args = tuple( lltype.cast_primitive(TYPE, value) for value, (name, TYPE) in zip(tup, STATVFS_FIELDS)) return os.statvfs_result(args) class MakeStatvfsResultEntry(extregistry.ExtRegistryEntry): _about_ = make_statvfs_result def compute_result_annotation(self, s_tup): return s_StatvfsResult def specialize_call(self, hop): r_StatvfsResult = hop.rtyper.getrepr(s_StatvfsResult) [v_result] = hop.inputargs(r_StatvfsResult.r_tuple) hop.exception_cannot_occur() return v_result # ____________________________________________________________ # # RFFI support if sys.platform.startswith('win'): _name_struct_stat = '_stati64' INCLUDES = ['sys/types.h', 'sys/stat.h', 'sys/statvfs.h'] else: if _LINUX: _name_struct_stat = 'stat64' else: _name_struct_stat = 'stat' INCLUDES = ['sys/types.h', 'sys/stat.h', 'sys/statvfs.h', 'unistd.h'] compilation_info = ExternalCompilationInfo( # This must be set to 64 on some systems to enable large file support. #pre_include_bits = ['#define _FILE_OFFSET_BITS 64'], # ^^^ nowadays it's always set in all C files we produce. includes=INCLUDES ) def posix_declaration(try_to_add=None): global STAT_STRUCT, STATVFS_STRUCT LL_STAT_FIELDS = STAT_FIELDS[:] if try_to_add: LL_STAT_FIELDS.append(try_to_add) if TIMESPEC is not None: def _expand(lst, originalname, timespecname): for i, (_name, _TYPE) in enumerate(lst): if _name == originalname: # replace the 'st_atime' field of type rffi.DOUBLE # with a field 'st_atim' of type 'struct timespec' lst[i] = (timespecname, TIMESPEC) break _expand(LL_STAT_FIELDS, 'st_atime', 'st_atim') _expand(LL_STAT_FIELDS, 'st_mtime', 'st_mtim') _expand(LL_STAT_FIELDS, 'st_ctime', 'st_ctim') del _expand else: # Replace float fields with integers for name in ('st_atime', 'st_mtime', 'st_ctime', 'st_birthtime'): for i, (_name, _TYPE) in enumerate(LL_STAT_FIELDS): if _name == name: LL_STAT_FIELDS[i] = (_name, lltype.Signed) break class CConfig: _compilation_info_ = compilation_info STAT_STRUCT = platform.Struct('struct %s' % _name_struct_stat, LL_STAT_FIELDS) STATVFS_STRUCT = platform.Struct('struct statvfs', STATVFS_FIELDS) try: config = platform.configure(CConfig, ignore_errors=try_to_add is not None) except platform.CompilationError: if try_to_add: return # failed to add this field, give up raise STAT_STRUCT = lltype.Ptr(config['STAT_STRUCT']) STATVFS_STRUCT = lltype.Ptr(config['STATVFS_STRUCT']) if try_to_add: STAT_FIELDS.append(try_to_add) # This lists only the fields that have been found on the underlying platform. # Initially only the PORTABLE_STAT_FIELDS, but more may be added by the # following loop. STAT_FIELDS = PORTABLE_STAT_FIELDS[:] if sys.platform != 'win32': posix_declaration() for _i in range(len(PORTABLE_STAT_FIELDS), len(ALL_STAT_FIELDS)): posix_declaration(ALL_STAT_FIELDS[_i]) del _i STAT_FIELDS += ALL_STAT_FIELDS[-3:] # nsec_Xtime # these two global vars only list the fields defined in the underlying platform STAT_FIELD_TYPES = dict(STAT_FIELDS) # {'st_xxx': TYPE} STAT_FIELD_NAMES = [_name for (_name, _TYPE) in STAT_FIELDS] del _name, _TYPE STATVFS_FIELD_TYPES = dict(STATVFS_FIELDS) STATVFS_FIELD_NAMES = [name for name, tp in STATVFS_FIELDS] def build_stat_result(st): # only for LL backends if TIMESPEC is not None: atim = st.c_st_atim mtim = st.c_st_mtim ctim = st.c_st_ctim atime, extra_atime = atim.c_tv_sec, int(atim.c_tv_nsec) mtime, extra_mtime = mtim.c_tv_sec, int(mtim.c_tv_nsec) ctime, extra_ctime = ctim.c_tv_sec, int(ctim.c_tv_nsec) else: atime, extra_atime = st.c_st_atime, 0 mtime, extra_mtime = st.c_st_mtime, 0 ctime, extra_ctime = st.c_st_ctime, 0 result = (st.c_st_mode, st.c_st_ino, st.c_st_dev, st.c_st_nlink, st.c_st_uid, st.c_st_gid, st.c_st_size, atime, mtime, ctime) if "st_blksize" in STAT_FIELD_TYPES: result += (st.c_st_blksize,) if "st_blocks" in STAT_FIELD_TYPES: result += (st.c_st_blocks,) if "st_rdev" in STAT_FIELD_TYPES: result += (st.c_st_rdev,) if "st_flags" in STAT_FIELD_TYPES: result += (st.c_st_flags,) result += (extra_atime, extra_mtime, extra_ctime) return make_stat_result(result) def build_statvfs_result(st): return make_statvfs_result(( st.c_f_bsize, st.c_f_frsize, st.c_f_blocks, st.c_f_bfree, st.c_f_bavail, st.c_f_files, st.c_f_ffree, st.c_f_favail, st.c_f_flag, st.c_f_namemax )) # Implement and register os.stat() & variants if not _WIN32: c_fstat = rffi.llexternal('fstat64' if _LINUX else 'fstat', [rffi.INT, STAT_STRUCT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO, macro=True) c_stat = rffi.llexternal('stat64' if _LINUX else 'stat', [rffi.CCHARP, STAT_STRUCT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO, macro=True) c_lstat = rffi.llexternal('lstat64' if _LINUX else 'lstat', [rffi.CCHARP, STAT_STRUCT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO, macro=True) c_fstatvfs = rffi.llexternal('fstatvfs', [rffi.INT, STATVFS_STRUCT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO) c_statvfs = rffi.llexternal('statvfs', [rffi.CCHARP, STATVFS_STRUCT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO) @replace_os_function('fstat') def fstat(fd): if not _WIN32: with lltype.scoped_alloc(STAT_STRUCT.TO) as stresult: handle_posix_error('fstat', c_fstat(fd, stresult)) return build_stat_result(stresult) else: handle = rwin32.get_osfhandle(fd) win32traits = make_win32_traits(string_traits) filetype = win32traits.GetFileType(handle) if filetype == win32traits.FILE_TYPE_CHAR: # console or LPT device return make_stat_result((win32traits._S_IFCHR, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) elif filetype == win32traits.FILE_TYPE_PIPE: # socket or named pipe return make_stat_result((win32traits._S_IFIFO, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)) elif filetype == win32traits.FILE_TYPE_UNKNOWN: error = rwin32.GetLastError_saved() if error != 0: raise WindowsError(error, "os_fstat failed") # else: unknown but valid file # normal disk file (FILE_TYPE_DISK) info = lltype.malloc(win32traits.BY_HANDLE_FILE_INFORMATION, flavor='raw', zero=True) try: res = win32traits.GetFileInformationByHandle(handle, info) if res == 0: raise WindowsError(rwin32.GetLastError_saved(), "os_fstat failed") return win32_by_handle_info_to_stat(win32traits, info) finally: lltype.free(info, flavor='raw') @replace_os_function('stat') @specialize.argtype(0) def stat(path): if not _WIN32: with lltype.scoped_alloc(STAT_STRUCT.TO) as stresult: arg = _as_bytes0(path) handle_posix_error('stat', c_stat(arg, stresult)) return build_stat_result(stresult) else: traits = _preferred_traits(path) path = traits.as_str0(path) return win32_xstat(traits, path, traverse=True) @replace_os_function('lstat') @specialize.argtype(0) def lstat(path): if not _WIN32: with lltype.scoped_alloc(STAT_STRUCT.TO) as stresult: arg = _as_bytes0(path) handle_posix_error('lstat', c_lstat(arg, stresult)) return build_stat_result(stresult) else: traits = _preferred_traits(path) path = traits.as_str0(path) return win32_xstat(traits, path, traverse=False) if rposix.HAVE_FSTATAT: from rpython.rlib.rposix import AT_FDCWD, AT_SYMLINK_NOFOLLOW c_fstatat = rffi.llexternal('fstatat', [rffi.INT, rffi.CCHARP, STAT_STRUCT, rffi.INT], rffi.INT, compilation_info=compilation_info, save_err=rffi.RFFI_SAVE_ERRNO, macro=True) def fstatat(pathname, dir_fd=AT_FDCWD, follow_symlinks=True): if follow_symlinks: flags = 0 else: flags = AT_SYMLINK_NOFOLLOW with lltype.scoped_alloc(STAT_STRUCT.TO) as stresult: error = c_fstatat(dir_fd, pathname, stresult, flags) handle_posix_error('fstatat', error) return build_stat_result(stresult) @replace_os_function('fstatvfs') def fstatvfs(fd): with lltype.scoped_alloc(STATVFS_STRUCT.TO) as stresult: handle_posix_error('fstatvfs', c_fstatvfs(fd, stresult)) return build_statvfs_result(stresult) @replace_os_function('statvfs') @specialize.argtype(0) def statvfs(path): with lltype.scoped_alloc(STATVFS_STRUCT.TO) as stresult: arg = _as_bytes0(path) handle_posix_error('statvfs', c_statvfs(arg, stresult)) return build_statvfs_result(stresult) #__________________________________________________ # Helper functions for win32 if _WIN32: from rpython.rlib.rwin32file import FILE_TIME_to_time_t_nsec def make_longlong(high, low): return (rffi.r_longlong(high) << 32) + rffi.r_longlong(low) @specialize.arg(0) def win32_xstat(traits, path, traverse=False): # XXX 'traverse' is ignored win32traits = make_win32_traits(traits) with lltype.scoped_alloc( win32traits.WIN32_FILE_ATTRIBUTE_DATA) as data: res = win32traits.GetFileAttributesEx( path, win32traits.GetFileExInfoStandard, data) if res == 0: errcode = rwin32.GetLastError_saved() if errcode == win32traits.ERROR_SHARING_VIOLATION: res = win32_attributes_from_dir( win32traits, path, data) if res == 0: errcode = rwin32.GetLastError_saved() raise WindowsError(errcode, "os_stat failed") return win32_attribute_data_to_stat(win32traits, data) @specialize.arg(0) def win32_attributes_to_mode(win32traits, attributes): m = 0 attributes = intmask(attributes) if attributes & win32traits.FILE_ATTRIBUTE_DIRECTORY: m |= win32traits._S_IFDIR | 0111 # IFEXEC for user,group,other else: m |= win32traits._S_IFREG if attributes & win32traits.FILE_ATTRIBUTE_READONLY: m |= 0444 else: m |= 0666 return m @specialize.arg(0) def win32_attribute_data_to_stat(win32traits, info): st_mode = win32_attributes_to_mode(win32traits, info.c_dwFileAttributes) st_size = make_longlong(info.c_nFileSizeHigh, info.c_nFileSizeLow) ctime, extra_ctime = FILE_TIME_to_time_t_nsec(info.c_ftCreationTime) mtime, extra_mtime = FILE_TIME_to_time_t_nsec(info.c_ftLastWriteTime) atime, extra_atime = FILE_TIME_to_time_t_nsec(info.c_ftLastAccessTime) result = (st_mode, 0, 0, 0, 0, 0, st_size, atime, mtime, ctime, extra_atime, extra_mtime, extra_ctime) return make_stat_result(result) def win32_by_handle_info_to_stat(win32traits, info): # similar to the one above st_mode = win32_attributes_to_mode(win32traits, info.c_dwFileAttributes) st_size = make_longlong(info.c_nFileSizeHigh, info.c_nFileSizeLow) ctime, extra_ctime = FILE_TIME_to_time_t_nsec(info.c_ftCreationTime) mtime, extra_mtime = FILE_TIME_to_time_t_nsec(info.c_ftLastWriteTime) atime, extra_atime = FILE_TIME_to_time_t_nsec(info.c_ftLastAccessTime) # specific to fstat() st_ino = make_longlong(info.c_nFileIndexHigh, info.c_nFileIndexLow) st_nlink = info.c_nNumberOfLinks result = (st_mode, st_ino, 0, st_nlink, 0, 0, st_size, atime, mtime, ctime, extra_atime, extra_mtime, extra_ctime) return make_stat_result(result) @specialize.arg(0) def win32_attributes_from_dir(win32traits, path, data): filedata = lltype.malloc(win32traits.WIN32_FIND_DATA, flavor='raw') try: hFindFile = win32traits.FindFirstFile(path, filedata) if hFindFile == rwin32.INVALID_HANDLE_VALUE: return 0 win32traits.FindClose(hFindFile) data.c_dwFileAttributes = filedata.c_dwFileAttributes rffi.structcopy(data.c_ftCreationTime, filedata.c_ftCreationTime) rffi.structcopy(data.c_ftLastAccessTime, filedata.c_ftLastAccessTime) rffi.structcopy(data.c_ftLastWriteTime, filedata.c_ftLastWriteTime) data.c_nFileSizeHigh = filedata.c_nFileSizeHigh data.c_nFileSizeLow = filedata.c_nFileSizeLow return 1 finally: lltype.free(filedata, flavor='raw')